Publications

Some selected papers      

• 1. S. Sala, A. Ariga, A. Ereditato, R. Ferragut, M. Giammarchi, M. Leone, C. Pistillo, P. Scampoli. First demonstration of antimatter wave interferometry, Science Adv. (I.F.: 14.136) 5 eaav7610 (2019) doi: 10.1126/sciadv.aav7610  pdf

  2. X. Yu, J. Smith, N. Zhou, L. Zeng, P. Guo, Y. Xia, A. Alvarez, S. Aghion, H. Lin, J. Yu,  R.P.H. Chang,M.J.Bedzyk, R. Ferragut, T.J. Marks, A. Facchetti, Spray-combustion synthesis: Efficient solution route to high-performance oxide transistors, PNAS (I.F.: 11.205) 112, 3217 (2015) (Supplementary Information) doi:10.1073/pnas.1501548112 pdf

1. S. Aghion et al. A moiré deflectometer for antimatter, Nature Communications (I.F.: 14.919) 5, 4538 (2014) doi: 10.1038/ncomms5538 pdf

   1. G. Consolati, R. Ferragut, A. Galarneau, F. Di Renzo, and F. Quasso. Mesoporous materials for antihydrogen production, Chemical Society Reviews (I.F.: 54.564) 42, 3821 (2013) doi: 10.1039/c2cs35454c  pdf

2. E.V. Canesi, M. Binda, A. Abate, S. Guarnera, L. Moretti, V. D’Innocenzo, R. Sai Santosh Kumar, C. Bertarelli, A. Abrusci, H. Snaith, A. Calloni, A. Brambilla, F. Ciccacci, S. Aghion, F. Moia, R. Ferragut, C. Melis, G. Malloci, A. Mattoni, G. Lanzani, and A. Petrozza. The effect of selective interactions at the interface of polymer-oxide hybrid solar cells, Energy & Environ. Sci. (I.F.: 38.532) 5, 9068 (2012) (Supplementary Information)  doi: 10.1039/C2EE22212D  pdf

3. R. Ferragut: Atomic fraction around defects associated with nanoparticles in Al–Cu–Mg alloys, Physica B: Condensed Matter 407 2676 (2012). doi:10.1016/j.physb.2012.02.008. pdf

4. G. Barucca, R. Ferragut, F. Fiori, D. Lussana, P. Mengucci, F. Moia, and G. Riontino: Formation and evolution of the hardening precipitates in a Mg-Y-Nd alloy, Acta Mater. 59, 4151 (2011) doi:10.1016/j.actamat.2011.03.038. pdf

5. R. K. W. Marceau, G. Sha, R. Ferragut, A. Dupasquier, S. P. Ringer: Solute clustering in Al-Cu-Mg alloys during the early stages of elevated temperature ageing, Acta Mater. 58, 4923 (2010) doi:10.1016/j.actamat.2010.05.020. pdf

6. R. Ferragut, A. Dupasquier, C. E. Macchi, A. Somoza, R. N. Lumley, and I. J. Polmear: Vacancy-solute interactions during multiple-step ageing of an Al-Cu-Mg-Ag alloy, Scripta Mater. 60, 137 (2009) doi:10.1016/j.scriptamat.2008.09.011. pdf

7. P. Mengucci, G. Barucca, G. Riontino, D. Lussana, M. Massazza, R. Ferragut, and E. Hassan Aly:Structure evolution of a WE43 Mg alloy submitted to different thermal treatments, Mat. Sci. Eng. A479, 37 (2008). pdf

8. A. Dupasquier, R. Ferragut, M. M. Iglesias, M. Massazza, G. Riontino, P. Mengucci, G. Barucca, C. E. Macchi, and A. Somoza: Hardening nanostructures in an AlZnMg alloy, Phil. Mag. 87, 3297 (2007) doi:10.1080/14786430701271959. pdf

9. A. Calloni, A. Dupasquier, R. Ferragut, P. Folegati, M. M. Iglesias, I. Makkonen, and M. J. Puska: Positron localization effects on the Doppler broadening of the annihilation line: Aluminum as a case study, Phys. Rev. B 72, 054112 (2005) doi:10.1103/PhysRevB.72.054112. pdf

10. A. Somoza, A. Dupasquier, I. J. Polmear, P. Folegati, R. Ferragut: Positron Annihilation Study of the Aging Kinetics of AlCu-based Alloys. I. Al-Cu-Mg. Phys. Rev. B, 61, 14454 (2000) doi:10.1103/PhysRevB.61.14454.  pdf

11. R. Ferragut, A. Somoza, A. Tolley: Microstructural Evolution of 7012 Alloy During the Early Stages of Artificial Ageing. Acta Mater. 47, 4355 (1999) doi:10.1016/S1359-6454(99)00315-8. pdf

12. R. Ferragut, A. Somoza, A. Dupasquier: Positron Lifetime Spectroscopy and Decomposition Processes in Commercial Al-Zn-Mg based Alloys. J. Phys.: Condens. Matter. 10,  3903 (1998) doi:10.1088/0953-8984/10/17/019. pdf

Publications by items

Memorial

• 1. R. Ferragut, Remembering Alfredo Dupasquier. AIP Conf. Proc. 2182 020002 (2019) doi: 10.1063/1.5135822 pdf

QUPLAS (QUantum interferometry, decoherence and gravitational studies with Positrons and LAsers - Politecnico di Milano - Como Campus)

• 1. E. Pasino, S. Cialdi, G. Costantini, R. Ferragut, M. Giammarchi, S. Migliorati, M. Romé, T. Savas, V. Toso. An Interferometric Method for Particle Mass Measurements, Symmetry 13, 1232 (2021) doi: 10.3390/sym13071232 pdf

  2. G. Vinelli, R. Ferragut, M. Giammarchi, G. Maero, M. Romé, V. Toso. Real-time monitoring of a positron beam using a microchannel plate in single-particle mode, JINST 15, P11030 (2020) doi: 10.1088/1748-0221/15/11/P11030 pdf 

  3. L. Anzi, A. Ariga, A. Ereditato, R. Ferragut, M. Giammarchi, G. Maero, C. Pistillo, M. Romé, P. Scampoli, V. Toso. Sensitivity of emulsion detectors to low energy positrons, JINST 15, P03027 (2020) doi: 10.1088/1748-0221/15/03/P03027 pdf

  4. A.Ariga, S.Cialdi, G.Costantini, A.Ereditato, R.Ferragut, M.Giammarchi, M.Leone, G.Maero, L.Miramonti, C.Pistillo, M.Romé, S.Sala, P.Scampoli, V.Toso, The QUPLAS experimental apparatus for antimatter interferometry, Nucl. Instrum. Methods Phys. Res. A 951, 163019 (2020) doi: 10.1016/j.nima.2019.163019 pdf

  5. S. Sala, A. Ariga, A. Ereditato, R. Ferragut, M. Giammarchi, M. Leone, C. Pistillo, P. Scampoli. First demonstration of antimatter wave interferometry, Science Adv. 5 eaav7610 (2019) doi: 10.1126/sciadv.aav7610  pdf

  6. S. Aghion, A. Ariga, M. Bollani, A. Ereditato, R. Ferragut, M. Giammarchi, M. Lodari, C. Pistillo, S. Sala, P. Scampoli, and M. Vladymyrov. Nuclear emulsions for the detection of micrometric-scale fringe patterns: an application to positron interferometry, JINST 13, P05013 (2018) doi: 10.1088/1748-0221/13/05/P05013  pdf

1. S. Aghion, A. Ariga, T. Ariga, M. Bollani, E. Dei Cas, A. Ereditato, C. Evans, R. Ferragut, M. Giammarchi, C. Pistillo, M. Romé, S. Sala, and P. Scampoli. Detection of low energy antimatter with emulsions. JINST 11 P06017 (2016) doi: 10.1088/1748-0221/11/06/P06017 pdf

Lithium-ion batteries

• 1. G. Pagot, V. Toso, B. Barbiellini, R. Ferragut, V. Di Noto. Positron Annihilation Spectroscopy as a Diagnostic Tool for the Study of LiCoO2 Cathode of Lithium-Ion Batteries. Condens. Matter 6 28 (2021). doi: 10.3390/condmat6030028 pdf

Positron beam studies in thin films (semiconductors, perovskites and oxides)

• 1. F. Cavalca, R. Ferragut, S. Aghion, A. Eilert, O. Diaz-Morales, C. Liu, A.L. Koh, T.W. Hansen, L.G.M. Pettersson, and A. Nilsson Nature and Distribution of Stable Subsurface Oxygen in Copper Electrodes During Electrochemical CO2 Reduction J. Phys. Chem. C 121 25003 (2017) (Supporting Information) doi: 10.1021/acs.jpcc.7b08278 pdf

  2. X. Yu, J. Smith, N. Zhou, L. Zeng, P. Guo, Y. Xia, A. Alvarez, S. Aghion, H. Lin, J. Yu,  R.P.H. Chang,M.J.Bedzyk, R. Ferragut, T.J. Marks, A. Facchetti, Spray-combustion synthesis: Efficient solution route to high-performance oxide transistors, PNAS 112, 3217 (2015) (Supplementary Information) doi:10.1073/pnas.1501548112 pdf

1. R. Ferragut, S. Aghion, F. Moia, M. Binda, E. V. Canesi, G. Lanzani and A. Petrozza. Infiltration and Selective Interactions at the Interface in Polymer-OxideHybrid Solar Cells J. Phys.: Conf. Ser. 443 012051 (2013) doi:10.1088/1742-6596/443/1/012051 pdf

2. S. Aghion, R. Ferragut, F Moia, M.P. Petkov, S.M. Jones, Production and thermalization of positronium in homogeneous porous silica, J. Phys.: Conf. Ser. 443, 012064 (2013) doi: 10.1088/1742-6596/443/1/012064 pdf

3. E.V. Canesi, M. Binda, A. Abate, S. Guarnera, L. Moretti, V. D’Innocenzo, R. Sai Santosh Kumar, C. Bertarelli, A. Abrusci, H. Snaith, A. Calloni, A. Brambilla, F. Ciccacci, S. Aghion, F. Moia, R. Ferragut, C. Melis, G. Malloci, A. Mattoni, G. Lanzani, and A. Petrozza. The effect of selective interactions at the interface of polymer-oxide hybrid solar cells, Energy & Environ. Sci. 5, 9068 (2012) (Supplementary Information)  doi: 10.1039/C2EE22212D  pdf

   1. A. Calloni, Ferragut, A. Dupaquier, H. von Känel, A. Guiller, A. Rutz, L. Ravelli, and W. Egger: Characterization of vacancy-typedefects in heteroepitaxial GaN grown by Low-Energy Plasma-Enhanced VaporPhase Epitaxy, J. Appl. Phys. 112, 024510 (2012). doi: 10.1063/1.4737402. pdf

4. F. Moia, R. Ferragut, A. Dupasquier, M.G. Giammarchi, G.Q. Ding, Thermal production of positronium in porous alumina, Eur. Phys. J. D 66, 124 (2012). doi: 10.1140/epjd/e2012-20637-0. pdf

5. R. Ferragut, A. Dupaquier, S. Brivio, R. Bertacco, and W. Egger: Study of defects in an electroresistive Au/La2/3Sr1/3MnO3/SrTiO3(001) heterostructure by positron annihilation. J. Appl. Phys. 110, 053511 (2011).   doi: 10.1063/1.3631825. pdf

6. R. Ferragut, A. Calloni, A. Dupasquier, G. Isella: Defect characterization in SiGe/SOI epitaxial semiconductors by positron annihilation. Nanoscale Res. Lett. 5, 1942 (2010). pdf

• 1. R. Ferragut, A. Dupasquier, A. Calloni, G. Consolati, F. Quasso, M.P. Petkov, S.M. Jones, A Galarneau and F Di Renzo, Homogeneous porous silica for positronium production in AEgIS, J. Phys.: Conf. Ser. 262, 012020 (2011). doi:10.1088/1742-6596/262/1/012020.  pdf

7. R. Ferragut, A. Calloni, A. Dupasquier, G. Consolati, F. Quasso, M.G. Giammarchi, D. Trezzi, W. Egger, L. Ravelli, M.P. Petkov, S.M. Jones, B. Wang, O.M. Yaghi, B. Jasinska, N. Chiodini and A. Paleari:Positronium Formation in Porous Materials for Antihydrogen Production, J. Phys.: Conf. Ser. 225, 012007 (2010). doi: 10.1088/1742-6596/225/1/012007. pdf

8. A. Calloni, R. Ferragut, F. Moia, A. Dupasquier, G. Isella, D. Marongiu, G. Norga, A. Federov, and D. Chrastina: Positron annihilation studies of defects in Si1-xGex/SOI heterostructures, phys. stat. sol. (c) 6, 2304 (2009). pdf

9. R. S. Brusa, G. P. Karwasz, G. Mariotto, A. Zecca, R. Ferragut, P. Folegati, A. Dupasquier, G. Ottaviani, and R. Tonini: Structural evolution in Ar+ implanted Si-rich silicon oxide, J. Appl. Phys. 94, 7483 (2003). pdf

10. R. S. Brusa, W. Deng, G. P. Karwasz, A. Zecca, G. Mariotto, R. Ferragut, P. Folegati, A. Dupasquier: Study of precipitate in Si-rich SiO2 films. Appl. Surf. Sci. 194, 106 (2002). pdf

Polymer Sceince

• 1. E.S. Dehghani, S. Aghion, W. Anwand, G. Consolati, R. Ferragut, G. Panzarasa, Investigating the structure of crosslinked polymer brushes (brush-gels) by means of Positron Annihilation Spectroscopy. Eur Polym J  99 415 (2018) (Supporting Information) doi: 10.1016/j.eurpolymj.2017.12.042. pdf

1. G. Panzarasa, S. Aghion, G. Marra, A. Wagner, M.O. Liedke, M. Elsayed, R. Krause-Rehberg, R. Ferragut, and G. Consolati Probing the Impact of the Initiator Layer on Grafted-from Polymer Brushes: A Positron Annihilation Spectroscopy Study. Macromolecules 50 5574 (2017) (Supporting Information) doi: 10.1021/acs.macromol.7b00953  pdf 

   1. D. Roilo, P.N.Patil, R.S. Brusa, A. Miotello, S. Aghion, R. Ferragut and R. Checchetto Polymer rigidification in graphene based nanocomposites: Gas barrier effects and free volume reduction. Polymer 121 17 (2017) doi: 10.1016/j.polymer.2017.06.010  pdf

   2. G. Panzarasa, S. Aghion, G. Soliveri, G. Consolati, R. Ferragut, Positron annihilation spectroscopy: a new frontier for understanding nanoparticle loaded polymer brushes, Nanotechnology 27, 02LT03 (2016) (Supporting Information) doi:10.1088/0957-4484/27/2/02LT03   pdf

   3. P.N. Patil, D. Roilo, R.S. Brusa, A. Miotello, S. Aghion, R. Ferragut and R. Checchetto, Free volumes and gas transport in polymers: amine-modified epoxy resins as a case study Phys. Chem. Chem. Phys. 18, 3817 (2016) doi: 10.1039/c5cp07149f pdf

2. P.N. Patil, R. Checchetto, R. Ferragut, S. Aghion, A. Miotello and R.S. Brusa, Gas transport and free volume study in polyethylene based epoxy membranes J. Phys.: Conf. Ser. 618 012036 (2015) doi: 10.1088/1742-6596/618/1/012036 pdf

3. E.V. Canesi, M. Binda, A. Abate, S. Guarnera, L. Moretti, V. D’Innocenzo, R. Sai Santosh Kumar, C. Bertarelli, A. Abrusci, H. Snaith, A. Calloni, A. Brambilla, F. Ciccacci, S. Aghion, F. Moia, R. Ferragut, C. Melis, G. Malloci, A. Mattoni, G. Lanzani, and A. Petrozza. The effect of selective interactions at the interface of polymer-oxide hybrid solar cells, Energy & Environ. Sci. 5, 9068 (2012) (Supplementary Information)   doi: 0.1039/C2EE22212D pdf 

AEgIS collaboration (Antimatter Experiment: Gravity, Interferometry, Spectroscopy - CERN)

• 1. C. Amsler et al. (AEgIS col.) Pulsed Production of Antihydrogen, Commun. Phys. 4 19 (2021) doi: 10.1038/s42005-020-00494-z  pdf

  2. M. Fanì et al.(AEgIS col.) Developments for pulsed antihydrogen production towards direct gravitational measurement on antimatter. Phys. Scr. 95 114001 (2020) doi: 10.1088/1402-4896/abbaa1 pdf

  3. M. Antonello et al. (AEgIS col.) Rydberg-positronium velocity and self-ionization studies in a 1T magnetic field and cryogenic environment. Phys. Rev. A 102 013101 (2020) doi: 10.1103/PhysRevA.102.013101 pdf

1. C. Amsler et al. (AEgIS col.) A cryogenic tracking detector for antihydrogen detection in the AEgIS experiment. Nucl. Instrum. Methods Phys. Res. A 960 163637 (2020) doi: 10.1016/j.nima.2020.163637 pdf

2. I.C. Tietje et al. (AEgIS col.) Protocol for pulsed antihydrogen production in the AEgIS apparatus. J. Phys.: Conf. Ser. 1612 (2020) 012025 doi: 10.1088/1742-6596/1612/1/012025  pdf

3. N. Zurlo et al. (AEgIS col.) Calibration and equalisation of plastic scintillator detectors for antiproton annihilationidentification over positron/positronium background Acta Phys. Pol. B 51 213 (2020) doi: 10.5506/APhysPolB.51.213 pdf

   1. D. Pagano et al. (AEgIS col.)  Gravity and antimatter: the AEgIS experiment at CERN J. Phys.: Conf. Ser. 1342 012016 (2020) doi: 10.1088/1742-6596/1342/1/012016 pdf

   2. R. Caravita et al. (AEgIS col.) Hybrid Imaging and Timing Ps Laser Excitation Diagnosticsfor Pulsed Antihydrogen Production.  Acta Phys. Pol. A 137 96 (2020) doi: 10.12693/APhysPolA.137.9 pdf

   3. R. Caravita et al. (AEgIS col.) Positronium Rydberg excitation diagnostic in a 1T cryogenic environment AIP Conf. Proc. 2182 030002 (2019) doi: 10.1063/1.5135825 pdf

   4. S. Mariazzi et al. (AEgIS col.) Production of long-lived positronium states via laser excitation to 33P level AIP Conf. Proc. 2182 030004 (2019) doi: 10.1063/1.5135827 pdf

4. C. Amsler et al. (AEgIS col.) A ∼100 μm-resolution position-sensitive detector for slow positronium. Nucl. Instrum. Methods Phys. Res. B 457 44 (2019) doi: 10.1016/j.nimb.2019.07.015 pdf

5. N. Zurlo et al. (AEgIS col.) Monte-Carlo simulation of positronium laser excitation and anti-hydrogen formation via charge exchange. Hyperfine Interactions. 240: 18 (2019) doi: 10.1007/s10751-019-1553-3 pdf

• 1. O. Khalidova et al. (AEgIS coll.) The AEgIS experiment: towards antimatter gravity measurements. J. Phys.: Conf. Ser. 1390 012104 (2019) doi: 10.1088/1742-6596/1390/1/104 pdf  

6. A. Camper et al. (AEgIS col.) Imaging a positronium cloud in a 1 Tesla. EPJ Web of Conferences 198 00004 (2019) doi: 10.1051/epjconf/201919800004 pdf

• 1. P. Lansonneur et al. (AEgIS col.) AEgIS Experiment: Status & Outlook, Proceedings 52nd Rencontres de Moriond on Gravitation, La Thuile, Italy. pp. 87-92 (2018) pdf

  2. C. Evans et al. (AEgIS col.) Towards the first measurement of matter-antimatter gravitational interaction. EPJ Web of Conferences 182 02040 (2018) doi: 10.1051/epjconf/201818202040 pdf

  3. C. Guatieri et al. (AEgIS col.) AEg̅IS latest results. EPJ Web of Conferences 181 01037 (2018) doi: 10.1051/epjconf/201718101037 pdf

7. S. Aghion et al. (AEgIS col.) Antiproton tagging and vertex fitting in a Timepix3detector. JINST 13 P06004 (2018) doi: 10.1088/1748-0221/13/06/P06004 pdf

• 1. S. Aghion et al. (AEgIS col.) Producing long-lived 23S Ps via 33P laser excitation in magnetic and electric fields. Phys. Rev. A 98 013402 (2018) doi: 10.1103/PhysRevA.98.013402 pdf

  2. S. Aghion et al. (AEgIS col.) Compression of a mixed antiproton and electron non-neutral plasma to high densities. Eur. Phys. J. D 72 76 (2018) doi: 10.1140/epjd/e  pdf

8. M. Doser et al. (AEgIS col.) AEgIS at ELENA: outlook for physics with a pulsed cold antihydrogen beam. Phil. Trans. R. Soc. A 376 20170274 (2018) doi: 10.1098/rsta.2017.0278 pdf

• 1. S. Aghion et al. (AEgIS col.) Measurement of antiproton annihilation on Cu, Ag and Au with emulsion films. JINST 12 P04021 (2017) doi: 10.1088/1748-0221/12/04/P04021 pdf

  2. S. Aghion et al. (AEgIS col.) Characterization of a transmission positron/positronium converter for antihydrogen production. Nucl. Instrum. Methods Phys. Res. B 407 55 (2017) doi: 10.1016/j.nimb.2017.05.059  pdf

  3.  F Prelz et al (AEgIS col.) The DAQ system for the AEḡIS experiment. J. Phys.: Conf. Ser. 898 032014 (2017) doi: 10.1088/1742-6596/898/3/032014  pdf

  4. M. Doser et al. (AEgIS col.) Antimatter Gravity Measurements with Cold Antihydrogen: the AEgIS Experiment. Proceedings of the Seventh Meeting on CPT and Lorentz Symmetry. (Ed. V. Alan Kostelecky, World Scientific, Singapore). 17 (2017) doi: 10.1142/9789813148505_0005  pdf

  5. P. Yzombard et al (AEgIS col.) Overview of Recent Work on Laser Excitation of Positronium for the Formation of Antihydrogen. JPS Conf. Proc. 18 011026 (2017) doi: 10.7566/JPSCP.18.011026   pdf

  6. G. Consolati et al (AEgIS col.) Positronium for Antihydrogen Production in the AEGIS Experiment Acta Phys. Pol. A 132 1443 (2017) doi: 10.12693/APhysPolA.132.1443  pdf

  7. R. Caravita et al. (AEgIS col.) Advances in Ps Manipulations and Laser Studies in the AEgIS Experiment. Acta Phys. Pol. B 48 1583 (2017) doi: 10.5506/APhysPolB.48.1583 pdf

  8. R. S. Brusa et al. (AEgIS col.) The AEgIS experiment at CERN: Measuring antihydrogen free-fall in Earth's gravitational field to test WEP with antimatter. J. Phys.: Conf. Ser. 791 012014 (2017) doi: 10.1088/1742-6596/791/1/012014 pdf

9. A. Kellerbauer et al. (AEgIS col.) Probing antimatter gravity – The AEGIS experiment at CERN. EPJ Web of Conferences 126 02016 (2016) doi: 10.1051/epjconf/201612602016 pdf

• 1. R. Caravita et al. (AEgIS col.) Towards a gravity measurement on cold antimatter atoms. Il Nuovo Cimento 39 C 237 (2016) https://doi.org/10.1393/ncc/i2016-16237-6 pdf

10. S. Aghion et al. (AEgIS col.) Laser excitation of the n = 3 level of positronium for antihydrogen production. Phys. Rev. A 94 012507 (2016) doi: 10.1103/PhysRevA.94.012507 pdf

11. S. Mariazzi et al. (AEgIS col.) Positron manipulation and positronium laser excitation in AEgIS. Defect and Diffusion Forum 373 11 (2016) doi: 10.4028/www.scientific.net/DDF.373.11  pdf

• 1. N. Pacifico et al (AEgIS col.) Direct detection of antiprotons with theTimepix3 in a new electrostatics election beam line. Nucl. Instrum. Methods Phys. Res. A 831 12 (2016) doi: 10.1016/j.nima.2016.03.057 pdf

12. M. Kimura et al. (AEgIS col.) Testing the Weak Equivalence Principle with an antimatter beam at CERN. J. Phys.: Conf. Ser. 631 012047 (2015) doi: 10.1088/1742-6596/631/1/012047  pdf

13. C. Pistilo et al. (AEgIS col.) Emulsion detectors for the antihydrogen detection in AEgIS. Hyperfine Interact 233 29 (2015) doi: 10.1007/s10751-015-1175-3  pdf

• 1. G. Testera et al. (AEgIS col.) The AEgIS experiment. Hyperfine Interact 233 12 (2015) doi: 10.1007/s10751-015-1165-5  pdf

14. Consolati et al. (AEgIS col.) Experiments with low-energy antimatter. EPJ Web Conferences 96 01007 (2015) doi: 10.1051/epjconf/20159601007 pdf

• 1. Storey et al. (AEgIS col.) Particle tracking at cryogenic temperatures: the FastAnnihilation Cryogenic Tracking (FACT) detector forthe AEgIS antimatter gravity experiment, J. Instrumentation 10 C02023 (2015) doi: 10.1088/1748-0221/10/02/C02023 pdf

15. S. Aghion et al. (AEgIS col.) A moiré deflectometer for antimatter, Nature Communications 5, 4538 (2014) doi: 10.1038/ncomms5538 pdf

16. S. Aghion et al. (AEgIS col.) Detection of low energy antiproton annihilations in a segmented silicon detector, J. Instrumentation 9 P06020 (2014) doi:10.1088/1748-0221/9/06/P06020 pdf

• 1. N. Pacifico et al. (AEgIS col.) Investigation of silicon sensors for their use as antiprotonannihilation detectors, Nuclear Instruments and Methods in Physics Research A 765 161 (2014) doi: 10.1016/j.nima.2014.06.036 pdf

  2. Gligorova et al. (AEgIS col.) Comparison of Planar and 3D Silicon Pixel Sensors Used for Detection of Low Energy Antiprotons, IEEE Trans. Nucl. Sci. 61 3747 (2014) doi: 10.1109/TNS.2014.2368591 pdf

  3. Storey et al. (AEgIS col.) Measuring the gravitational free-fall of antihydrogen Hyperfine Interact 228 151 (2014) doi: 10.1007/s10751-014-1055-2 pdf

  4. A. Knecht et al. (AEgIS col.) The AEgIS experiment, Hyperfine Interact 228 121 (2014) doi: 10.1007/s10751-014-1057-0 pdf 

  5. Mariazzi et al. (AEgIS col.) AEgIS experiment: Towards antihydrogen beam production for antimatter gravity measurements European Physical Journal D 68: 41 (2014) doi: 10.1140/epjd/e2013-40690-3 pdf

17. M. A. Subieta Vasquez et al. (AEgIS col.) AEgIS Experiment: Measuring the acceleration g of the earth’s gravitational field on antihydrogen beam, EPJ Web of Conferences 71 00128 (2014) pdf

18. P. Scampoli et al. (AEgIS col.) Development of nuclear emulsions operating in vacuum for the AEgIS experiment

19.  J. Instrumentation 9 C01061 (2014) doi:10.1088/1748-0221/9/01/C01061 pdf 

20. D. Krasnicky et al. (AEgIS col.): Measuring g with Aegis, Progress and Perspectives, Int. J. Mod. Phys. Conf. Ser. 30, 1460262 (2014) doi: 10.1142/S2010194514602622 pdf

• 1. R. Ferragut, S. Aghion, G. Tosi, G. Consolati, F. Quasso, M. Longhi, A. Galarneau, and F. Di Renzo. Positronium Production in Engineered Porous Silica, J. Phys. Chem. C, 117, 26703−26709 (2013)  doi: dx.doi.org/10.1021/jp410221m pdf

21. G. Consolati, R. Ferragut, A. Galarneau, F. Di Renzo, and F. Quasso. Mesoporous materials for antihydrogen production, Chemical Society Reviews 42, 3821 (2013) doi: 10.1039/c2cs35454c  pdf

22. S. Aghion, R. Ferragut, F Moia, M.P. Petkov, S.M. Jones, Production and thermalization of positronium in homogeneous porous silica, J. Phys.: Conf. Ser. 443, 012064 (2013) doi: 10.1088/1742-6596/443/1/012064 pdf

23. D. Krasnicky, S. Aghion, et al. (AEgIS col.): AEgIS experiment commissioning at CERN, AIP Conf. Proc. 1521, 144 (2013) doi: http://10.1063/1.4796070. pdf

• 1. S. Aghion et al. (AEgIS Col.). Prospects for measuring the gravitational free-fall of antihydrogenwith emulsion detectors, J. Instrumentation 8 (2013) P08013 doi: 10.1088/1748-0221/8/08/P08013 pdf

  2. M. Kimura et al. (AEgIS Col.). Development of nuclear emulsions with 1 μm spatial resolution forthe AEgIS experiment, Nuclear Instrum. and Methods in Phys. Research A 732 (2013) 325-329 doi: 10.1016/j.nima.2013.04.082 pdf

24. Gligorova et al. (AEgIS col.) Annihilation of low energy antiprotons in silicon sensors, IEEE MSS/MIC 1 (2013) doi: 10.1109/NSSMIC.2013.6829519 pdf

25. J. Storey et al. (AEgIS Col.) Particle tracking at 4 K: The Fast Annihilation CryogenicTracking (FACT) detector for the AEgIS antimatter gravity experiment, Nuclear Instrum. and Methods, Phys. Research A 732 (2013) 437-441 doi: 10.1016/j.nima.2013.05.130 pdf

• 1. M. G. Giammarchi et al. (AEgIS col.). AEGIS at CERN: Measuring Antihydrogen Fall, Few-Body Syst 54, 779-782 (2013) doi: 10.1007/s00601-012-0439-6 pdf

26. M. Doser et al. (AEgIS col.) Exploring the WEP with a pulsed cold beam of antihydrogen. Class. Quantum Grav. 29   184009 (2012) doi:10.1088/0264-9381/29/18/184009. pdf

27. R. Ferragut et al. (AEgIS col.) Antihydrogen physics: gravitation and spectrometry in AEgIS. Canadian J. Physics 89, 17 (2011) doi:10.1139/P10-099. pdf

28. F. Moia, R. Ferragut, A. Dupasquier, M.G. Giammarchi, G.Q. Ding, Thermal production of positronium in porous alumina, Eur. Phys. J. D 66, 124 (2012). doi: 10.1140/epjd/e2012-20637-0. pdf

29. A. Kellerbauer et al. (AEgIS col.) The AEGIS experiment at CERN: Measuring the free fall of antihydrogen, Hyperfine Interact. 209, 43 (2012) doi:10.1007/s10751-012-0583-x. pdf

30. R. Ferragut, A. Dupasquier, A. Calloni, G. Consolati, F. Quasso, M.P. Petkov, S.M. Jones, A Galarneau and F Di Renzo, Homogeneous porous silica for positronium production in AEgIS, J. Phys.: Conf. Ser. 262, 012020 (2011) doi:10.1088/1742-6596/262/1/012020. pdf

31. R. Ferragut, A. Calloni, A. Dupasquier, G. Consolati, F. Quasso, M.G. Giammarchi, D. Trezzi, W. Egger, L. Ravelli, M.P. Petkov, S.M. Jones, B. Wang, O.M. Yaghi, B. Jasinska, N. Chiodini and A. Paleari. Positronium Formation in Porous Materials for Antihydrogen Production, J. Phys.: Conf. Ser. 225, 012007 (2010) doi:10.1088/1742-6596/225/1/012007. pdf

32. M. Doser et al. (AEgIS col.) Measuring the fall of antihydrogen: the AEgIS experiment at CERN. Physics Procedia 17 (2011) 49 doi:10.1016/j.phpro.2011.06.016. pdf

33. C. Canali et al. (AEgIS col.) The Aegis Experiment (Antimatter Experiment: Gravity, Interferometry, Spectroscopy), in Astroparticle, Particle and Space Physics, Detectors and Medical Physics Applications.Vol. 5. ed. C. Leroy, P. G. Rancoita, M. Barone, A. Gaddi, L. Price and R. Ruchti. (World Scientific Publishing. Singapore, 2010) pp 185-189 doi:10.1142/9789814307529_0031. pdf

34. D. Fabris et al. (AEgIS col.) The AEGIS detection system for gravity measurements, Nuclear Physics A834, 751c (2010) doi:10.1016/j.nuclphysa.2010.01.136. pdf

35. G. Bonomi et al. (AEgIS col.) Measuring the antihydrogen fall, Hyperfine Interact. 193, 297 (2009). doi:10.1007/s10751-009-0015-8. pdf

36. M. G. Giammarchi et al. (AEgIS col.) Efficient Rydberg positronium laser excitation for antihydrogen production in a magnetic field, Hyperfine Interact. 193, 321 (2009) doi:10.1007/s10751-009-0018-5. pdf

37. G. Testera et al. (AEgIS col.) Formation of a cold antihydrogenbeam in AEGIS for gravity measurements,AIP Conf. Proc. 1037, 5 (2008) doi:10.1063/1.2977857. pdf  

Light Alloys

    Mg based alloys

• 1. G. Barucca, R. Ferragut, F. Fiori, D. Lussana, P. Mengucci, F. Moia, and G. Riontino: Formation and evolution of the hardening precipitates in a Mg-Y-Nd alloy, Acta Mater. 59, 4151 (2011). pdf

1. R. Ferragut, F. Moia, F. Fiori, D. Lussana, and G. Riontino: Small-angle X-ray scattering study of the early stages of precipitation in a Mg-Nd-Gd (EV31) alloy, J. Alloy. Compd. 495, 408 (2010). pdf

2. F. Moia, R. Ferragut, A. Calloni, A. Dupasquier, C. E. Macchi, A. Somoza, and J. F. Nie: Vacancy-solute association during ageing of a cold worked Mg-RE alloy, Phil. Mag. 90, 2135 (2010). pdf

3. G. Barucca, R. Ferragut, D. Lussana, P. Mengucci, F. Moia, and G. Riontino: Phase transformations in QE22 Mg alloy, Acta Mater. 57, 4416 (2009). pdf

4. F. Moia, A. Calloni, R. Ferragut, A. Dupasquier, C. E. Macchi, A. Somoza, and J. F. Nie: Vacancy-solute interaction in magnesium alloy WE54 during artificial ageing: a positron annihilation spectroscopy study, Int. J. Mater. Res. 100, 378 (2009). pdf

5. A. Somoza, A. Dupasquier, and R. Ferragut: Advances in positron studies of age hardening in light alloys, phys. stat. sol. (c) 6, 2295 (2009). pdf

6. G. Riontino, M. Massazza, D. Lussana, P. Mengucci, G. Barucca, and R. Ferragut: A novel thermal treatment on a Mg-4.2Y-2.3Nd-0.6Zr (WE43) alloy, Mat. Sci. Eng. A 494, 445 (2008). pdf

7. G. Riontino, D. Lussana, M. Massazza, G. Barucca, P. Mengucci, and R. Ferragut: Structure evolution of EV31 Mg alloy, J. Alloy. Compd. 463, 200 (2008). pdf

8. P. Mengucci, G. Barucca, G. Riontino, D. Lussana, M. Massazza, R. Ferragut, and E. Hassan Aly:Structure evolution of a WE43 Mg alloy submitted to different thermal treatments, Mat. Sci. Eng. A479, 37 (2008). pdf

9. M. Massazza, G. Riontino, D. Lussana, A. Iozzia, P. Mengucci, G. Barucca, A. Di Cristoforo, R. Ferragut, and R. Doglione: Structural evolution on thermal treatments of EV31 alloy.In K. U. Kainer (ed.), Magnesium: Proceedings of the 7th International Conference on Magnesium Alloys and Their Applications. Wiley (2007). pdf

    Al based alloys

• 1. R. Ferragut: Atomic fraction around defects associated with nanoparticles in Al–Cu–Mg alloys, Physica B: Condensed Matter 407 2676 (2012). doi:10.1016/j.physb.2012.02.008. pdf

1. R. Ferragut, P. V. Liddicoat, X.-Z. Liao, Y.-H. Zhao, E. J. Lavernia, R. Z. Valiev, A. Dupasquier, and S. P. Ringer: Chemistry of grain boundary environments in nanocrystalline Al 7075, J. Alloy. Compd. 495, 391 (2010). pdf

2.  R. K. W. Marceau, G. Sha, R. Ferragut, A. Dupasquier, S. P. Ringer: Solute clustering in Al-Cu-Mg alloys during the early stages of elevated temperature ageing, Acta Mater. 58, 4923 (2010). pdf

3. R. Ferragut, A. Dupasquier, C. E. Macchi, A. Somoza, R. N. Lumley, and I. J. Polmear: Vacancy-solute interactions during multiple-step ageing of an Al-Cu-Mg-Ag alloy, Scripta Mater. 60, 137 (2009). pdf

4. A. Tolley, R. Ferragut, and A. Somoza: Microstructural characterisation of a commercial Al-Cu-Mg alloy combining transmission electron microscopy and positron annihilation spectroscopy, Phil. Mag. 89, 1095 (2009). pdf

5. C. Macchi, A. Somoza, R. Ferragut, A. Dupasquier, and I. J. Polmear: Ageing processes in Al-Cu-Mg alloys with different Cu/Mg ratios, phys. stat. sol. (c) 6, 2322 (2009). pdf

6. A. Somoza, A. Dupasquier, and R. Ferragut: Advances in positron studies of age hardening in light alloys, phys. stat. sol. (c) 6, 2295 (2009). pdf

7. A. Dupasquier, R. Ferragut, P. Liddicoat, F. Moia, and S. P. Ringer: Positron lifetime evolution during room temperature ageing in Al-Zn-Mg-(Cu), phys. stat. sol. (c) 6, 2301 (2009). pdf

8. A. Dupasquier, R. Ferragut, M. M. Iglesias, M. Massazza, G. Riontino, P. Mengucci, G. Barucca, C. E. Macchi, and A. Somoza: Hardening nanostructures in an AlZnMg alloy, Phil. Mag. A 87, 3297 (2007). pdf

9. P. Folegati, I. Makkonen, R. Ferragut, and M. J. Puska: Analysis of electron-positron momentum spectra of metallic alloys as supported by first-principles calculations, Phys. Rev. B 75, 054201 (2007). pdf

10. A. Dupasquier, R. Ferragut, M. M. Iglesias, and F. Quasso: Vacancy-solute association in coherent nanostructures formed in a commercial Al-Zn-Mg-Cu alloy, phys. stat. sol. (c) 4, 3526 (2007). pdf

11. P. Folegati, A. Dupasquier, R. Ferragut, M. M. Iglesias, I. Makkonen, and M. J. Puska: Quantitative chemical analysis of vacancy-solute complexes in metallic solid solutions by coincidence Doppler broadening spectroscopy, phys. stat. sol. (c) 4, 3493 (2007). pdf

12. A. Somoza, C. E. Macchi, R. N. Lumley, I. J. Polmear, A. Dupasquier, and R. Ferragut: Role of vacancies during creep and secondary precipitation in an underaged Al-Cu-Mg-Ag alloy, phys. stat. sol. (c) 4, 3473 (2007). pdf

13. A. Tolley, R. Ferragut, and A. Somoza: Study of the nanostructures formed in 2024 alloy during thermomechanical treatments, Mater. Sci. Forum 519-521, 489 (2006). pdf

14. R. Ferragut, A. Dupasquier, M. M. Iglesias, C. E. Macchi, A. Somoza, and I. J. Polmear: Vacancy-solute aggregates in Al-Zn-Mg-(Cu, Ag), Mater. Sci. Forum 519-521, 309 (2006). pdf

15. R. K. W. Marceau, R. Ferragut, A. Dupasquier, M. M. Iglesias, and S. P. Ringer: Vacancy-solute interactions in Al-Cu-Mg, Mater. Sci. Forum 519-521, 197 (2006). pdf

16. A. Calloni, A. Dupasquier, R. Ferragut, P. Folegati, M. M. Iglesias, I. Makkonen, and M. J. Puska: Positron localization effects on the Doppler broadening of the annihilation line: Aluminum as a case study, Phys. Rev. B 72, 054112 (2005). pdf

17. R. Ferragut: Defects associated with nanostructures in AlZnMg and AlCu(Mg) alloys, Acta Phys. Pol. A107, 776 (2005). pdf

18. A. Dupasquier, R. Ferragut, M. M. Iglesias, C. E. Macchi, M. Massazza, P. Mengucci, G. Riontino, A. Somoza: Early solute clustering in an AlZnMg alloy. Mat. Sci. Forum. 445-446, 16 (2004). pdf

19. R. Ferragut, A. Dupasquier, G. Ferro, M. Biasini, A. Somoza: Positron Spectroscopy Analysis of Vacancy-Solute Nanoaggregates in Al-Cu. Mat. Sci. Forum. 445-446, 75 (2004). pdf

20. R. Ferragut, G. Ferro, M. Biasini. Positron Annihilation Study of Secondary Ageing in Al-Cu. Materials Forum. 28, 1022 (2004). pdf

21. G. Riontino, A. Dupasquier, R. Ferragut, M. M. Iglesias, C. E. Macchi, M. Massazza, P. Mengucci, A. Somoza: Formation and morphology of hardening nanostructures in an AlZnMg alloy. Materials Forum. 28, 652 (2004). pdf

22. R. Ferragut, A. Somoza, I. Torriani: Age-hardening Study in Al-Zn-Mg alloys. International Report of National Synchrotron Light Laboratory – LNLS. ISSN1518-0204, 307 (2003). pdf

23. R. Ferragut, A. Somoza, A. Tolley, I. Torriani: Precipitation Kinetics in Al-Zn-Mg Commercial Alloys. J. Mat. Proc. Techn. 141, 35 (2003). pdf

24. A. Dupasquier, R. Ferragut, P. Folegati, M. Massazza, G. Riontino, A. Somoza: Secondary ageing in an Al-Cu-Mg alloy with high Cu/Mg ratio. Mat. Sci. Forum. 396-402, 783 (2002). pdf

25. R. Ferragut, A. Somoza, I. Torriani: Precipitation kinetic in Al-Zn-Mg alloys: a study by Small-Angle X-Ray Scattering. International Report of National Synchrotron Light Laboratory – LNLS. ISSN1518-0204 305 (2003). pdf

26. R. Ferragut, A. Somoza, A. Dupasquier, I. J. Polmear: Mechanisms of age-hardening in two Al-Cu-Mg alloys studied by Positron Annihilation Spectroscopy. Mat. Sci. Forum. 396-402, 777 (2002). pdf

27. R. Ferragut, A. Somoza, I. Torriani: Pre-precipitation Study in the 7012 Al-Zn-Mg-Cu Alloy by Electrical Resistivity. Mat. Sci. Eng. A 334, 1 (2002). pdf

28. M. Massazza, G. Riontino, A. Dupasquier, P. Folegati, R. Ferragut, A. Somoza: Secondary ageing in Al-Cu-Mg. Phil. Mag. Lett. 82, 495 (2002). pdf

29. R. Ferragut, A. Somoza, A. Tolley: Influence of Pre-deformation on the Precipitation in the 2024 Al-Cu-Mg Alloy. Mat. Sci. Forum. 363-365, 88 (2001). pdf

30. R. Ferragut, A. Somoza, A. Tolley, I. Torriani: Precipitation kinetics in two Al-Zn-Mg Alloys. Special Issue: J. Mat. Proc. Techn. 117, 1 (2001). pdf

31. A. Somoza, A. Dupasquier, I. J. Polmear, P. Folegati, R. Ferragut: Positron Annihilation Study of the Aging Kinetics of AlCu-based Alloys. I. Al-Cu-Mg. Phys. Rev. B, 61, 14454 (2000).pdf

32. A. Somoza, A. Dupasquier, I.J. Polmear, P. Folegati, R. Ferragut: Positron Annihilation Study of the Aging Kinetics of AlCu-based Alloys. II. Ag microalloying. Phys. Rev. B, 61, 14464 (2000). pdf

33. R. Ferragut, A. Somoza: Positron Age-hardening and Precipitation in Predeformed 2024 (Al-Cu-Mg) Alloy. Phys. Stat. Sol. (a) 175, R1 (1999). pdf

34. R. Ferragut, A. Somoza, A. Tolley: Microstructural Evolution of 7012 Alloy During the Early Stages of Artificial Ageing. Acta Mater. 47, 4355 (1999). pdf

35. R. Ferragut, A. Somoza, A. Dupasquier: Positron Lifetime Spectroscopy and Decomposition Processes in Commercial Al-Zn-Mg based Alloys. J. Phys.: Condens. Matter. 10,  3903 (1998). pdf

36. R. Ferragut, A. Somoza, A. Dupasquier: Positron Annihilation Study of Vacancy Dynamics after the Solution Treatment of Al-Zn-Mg Alloys. 6th International Conference in Aluminium Alloys (ICAA-6). (vol. 2, pp. 683-689, 1998). (Toyohashi, Japan) ed. Sato T., Kumai S., Kobayashi T., Murakami Y. pdf

37. R. Ferragut, A. Somoza, A. Dupasquier: On the Two-Step Ageing in a Commercial Al-Zn-Mg Alloy. A Study by Positron Lifetime Spectroscopy. J. Phys.: Condens. Matter. 8,  8945 (1996). pdf

38. ** R. Ferragut, A. Somoza, I. Torriani: Estudio de la Formación de Zonas de Guinier-Preston mediante SAXS y Resistometría Eléctrica. Annual Acta Asociación Argentina de Materiales y IV Coloquio Latinoamericano de Fractura y Fatiga 309 (2001). pdf

39. ** R. Ferragut, A. Somoza: Envejecimiento Isotérmico en la Aleación 7012 base Al-Zn-Mg. Proceedings SAM'98 and V Congreso Iberoamericano de Metalurgia IBEROMET V, 369 (1999). pdf

40. ** R. Ferragut, A. Somoza: Precipitación en la Aleación 2024 base Al-Cu-Mg. Proceedings SAM'98 and V Congreso Iberoamericano de Metalurgia IBEROMET V, 441 (1999). pdf

41. ** R. Ferragut, A. Somoza, A. Tolley: Análisis de la Evolución Microestructural de la Aleación 7012 en los Primeros Estadios del Envejecimiento Artificial. Annual  Acta AFA 9 (1999) 230-234. pdf

42. ** R. Ferragut: Estudio del Termoenvejecimiento en Aleaciones base Aluminio. Doctoral Thesis. (1999).Universidad Nacional del Centro de la Provincia de Buenos Aires. Argentina.

43. ** R. Ferragut, A. Tolley, A. Somoza: Cambios Microestructurales en la Aleación Termoendurecible 7012 (Al-Zn-Mg-Cu). Annual Acta AFA 10 155 (1999). pdf

44. ** R. Ferragut, A. Somoza: Evolución Microestructural de Aleaciones Termoenvejecibles base Al luego del Homogeneizado. Annual Acta AFA 8, 110 (1998). pdf

45. ** R. Ferragut, A. Somoza: Procesos de Descomposición en Aleaciones Termoenvejecibles base Al-Zn-Mg.Annual Acta AFA 7, 192 (1997). pdf

46. ** R. Ferragut, A. Somoza: Influencia del Preenvejecimiento sobre la respuesta al Envejecimiento Artificial de Aleaciones Termoenvejecibles Comerciales base Al-Zn-Mg. Annual Acta Asociación Argentina de Materiales, SAM (1997) 251-254. pdf

47. ** R. Ferragut: Aleaciones Termoenvejecibles. Boletín Informativo PYME (Asociación de Pequeña y Mediana Industria - Argentina).No 121, 22 (1997). pdf

48. ** R. Ferragut, A. Somoza: Fenómenos de Precipitación y Espectroscopía de Aniquilación de Positrones en Aleaciones Termoenvejecibles comerciales Base Al. Annual Acta Asociación Argentina de Materiales, SAM'95 85 (1995). pdf

49. ** R. Ferragut: Análisis Microestructural de Aleaciones Termoenvejecibles base Al-Zn-Mg. Thesis MSc. in Physics. (1995) Universidad Nacional del Centro de la Provincia de Buenos Aires. Argentina.

Backscattering of gamma rays

1. R. Ferragut, G. Pereyra et al.: Gamma Ray Albedo in Fe and Al: Scatterer Lateral Size and Thickness Influences. pdf

2. ** G. Pereyra, R. Ferragut, A. Somoza: Determinación del Número de Albedo en Hierro y Aluminio por Retrodispersión de Radiación Gamma. Annual Acta AFA 11 50 (2000). pdf

3. ** R. Ferragut, R. Romero, A. Somoza: Retrodispersión de Radiación Gamma. Annual Acta AFA 3 412 (1992). pdf

**in Spanish (14 works)