Conference proceedings

Year: 2022, 2021 2019,2018,2017,2016,2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001

2022
A Rydberg hydrogen beam for studies of stimulated deexcitation
Tim Wolz, Maxime Allemand, Daniel Comparat, Jules Cras, Carina Killian, Chloé Malbrunot, Fredrik Parnefjord Gustafsson, Martin Simon, Christophe Siour, Eberhard Widmann, on behalf of the AEGIS and ASACUSA-
EPJ Web Conf. 262 01002 (2022)
https://doi.org/10.1051/epjconf/202226201002

Minimizing plasma temperature for antimatter mixing experiments
E.D. Hunter, C. Amsler, H. Breuker, S. Chesnevskaya, G. Costantini, R. Ferragut, M. Giammarchi, A. Gligorova, G. Gosta, H. Higaki, Y. Kanai, C. Killian, V. Kletzl, V. Kraxberger, N. Kuroda, A. Lanz, M. Leali, V. Mäckel, G. Maero, C. Malbrunot, V. Mascagna, Y. Matsuda, S. Migliorati, D.J. Murtagh, Y. Nagata, A. Nanda, L. Nowak, E. Pasino, M. Romé, M.C. Simon, M. Tajima, V. Toso, S. Ulmer, U. Uggerhøj, L. Venturelli, A. Weiser, E. Widmann, T. Wolz, Y. Yamazaki, J. Zmeskal, (The ASACUSA-Cusp Collaboration)
EPJ Web Conf. 262 01007 (2022)
https://doi.org/10.1051/epjconf/202226201007

Upgrade of the scintillating bars detector for the ASACUSA experiment
Giovanni Costantini, Luca Giorleo, Giulia Gosta, Marco Leali, Valerio Mascagna, Stefano Migliorati, Michela Prest, Federico Ronchetti, Luigi Solazzi, Erik Vallazza, Luca Venturelli
EPJ Web Conf. 262 01013 (2022)
https://doi.org/10.1051/epjconf/202226201013

2021
Hyperfine spectroscopy of antihydrogen, hydrogen and deuterium
E. Widmann
Published in Physics of Elementary Particles and Atomic Nuclei 53 (2022) 790
(https://arxiv.org/abs/2111.04056)

2019
Hyperfine spectroscopy of hydrogen and antihydrogen in ASACUSA
E. Widmann et al.
Hyperfine Interactions 240 (2018) 4
(https://link.springer.com/article/10.1007/s10751-018-1536-9)

Rabi experiments on the σ- and π-hyperfine transitions in hydrogen and status of ASACUSA’s antihydrogen program
M. Simon
arXiv:1910.03959

ASACUSA’s Ramsey spectrometer for hyperfine spectroscopy at higher precision
A. Nanda
arXiv:1910.06609

2018

Recent Developments from ASACUSA on Antihydrogen Detection
B. Kolbinger et. al.,
EPJ Web Conf. 181 (2018) 01003
(https://doi.org/10.1051/epjconf/201818101003)

Precision laser spectroscopy experiments on antiprotonic helium
M. Hori
EPJ Web Conf. 181 (2018) 01001
(https://doi.org/10.1051/epjconf/201818101001)

International Conference on Exotic Atoms and Related Topics - EXA2017 - Proceedings
P. Buehler, et al. (editor)
EPJ Web Conf. 181 (2018)
(https://www.epj-conferences.org/articles/epjconf/abs/2018/16/contents/contents.html)

2017

Progress of Antihydrogen Beam Production Using a Double Cusp Trap
Y. Nagata et al.
JPS Conf. Proc. 18, 011007 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011007 )

Manipulation and Transport of Antiprotons for an Efficient Production of Antihydrogen Atoms
M. Tajiama et al.
JPS Conf. Proc. 18, 011008 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011008 )

Antihydrogen Synthesis in a Double-Cusp Trap
N. Kuroda et al.
JPS Conf. Proc. 18, 011009 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011009 )

Measurements and 3D Reconstruction of Antimatter Annihilations with the ASACUSA Micromegas Tracker
B. Radics et al.
JPS Conf. Proc. 18, 011010 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011010 )

Antihydrogen Formation and Level Population Evolution During Passage Through a Positron Plasma
B. Radics et al.
JPS Conf. Proc. 18, 011012 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011012 )

Recent Results on the Antiproton-Nucleus Annihilation Cross Section at Low Energy
H. Agahi-Khozani et al.
JPS Conf. Proc. 18, 011036 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011036 )

Experimental Apparatus for Antiproton-Nucleus Annihilation Cross Section Measurements at Low Energy
H. Agahi-Kozani et al.
JPS Conf. Proc. 18, 011037 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011037 )

The Development of the Antihydrogen Beam Detector: Toward the Three Dimensional Tracking with a BGO Crystal and a Hodoscope
Y. Nagata et al.
JPS Conf. Proc. 18, 011038 (2017)
( http://dx.doi.org/10.7566/JPSCP.18.011038 )

2016

Prospects of in-flight Hyperfine Spectroscopy of (anti)Hydrogen for tests of CPT Symmetry
E. Widmann,
Proceedings of the 7th Meeting on CPT and Lorentz Symmetry (CPT16), Bloomington, Indiana, United States, June 20-24, 2016
(https://arxiv.org/pdf/1608.00879.pdf)

Towards measuring the ground state hyperfine splitting of antihydrogen – a progress report
C. Sauerzopf et al.,
Hyperfine Interactions 237, 103 (2016)
(http://dx.doi.org/10.1007/s10751-016-1309-2)

2013

Towards the production of anti-hydrogen beams
H. Higaki et al.
AIP Conf. Proc. 1521, 134 (2013)
(http://dx.doi.org/10.1063/1.4796069)

Measurement of the hyperfine structure of antihydrogen in a beam
E. Widmann et al.
Hyperfine Interact. 215, 1 (2013)
(http://dx.doi.org/10.1007/s10751-013-0809-6)

Sub-Doppler two-photon laser spectroscopy of antiprotonic helium and the antiproton-to-electron mass ratio
M. Hori et al.
Few-Body Systems (2013)
(http://dx.doi.org/10.1007/s00601-013-0653-x)

Weighing the antiproton
R.S. Hayano
Hyperfine Interact. 215, 9 (2013)
(http://dx.doi.org/10.1007/s10751-013-0784-y)

2012

Progress in precision laser spectroscopy of antiprotonic helium
D. Barna
Hyperfine Interact. 212, 159 (2012)
(http://dx.doi.org/10.1007/s10751-011-0457-7)

In-flight antiproton annihilation on nculei at low energies
M. Corradini et al.
Hyperfine Interact. 213, 31 (2012)
(http://dx.doi.org/10.1007/s10751-011-0476-4)

Antimatter Matters: Progress in Cold Antihydrogen Research
Y. Yamazaki
J. Phys.: Conf. Ser. 388, 012002 (2012)
(http://dx.doi.org/10.1088/1742-6596/388/1/012002)

Antihydrogen atom formation in a CUSP trap towards spin polarized beams
N. Kuroda et al.
Hyperfine Interact. 212, 31 (2012)
(http://dx.doi.org/10.1007/s10751-012-0646-z)

Microwave spectroscopy measurements of the hyperfine structure in antiprotonic 3He
S. Friedreich et al.
Hyperfine Interact. 212, 167 (2012)
(http://dx.doi.org/10.1007/10.1007/s10751-012-0639-y)

Beam profile monitor for antiproton-nucleus annihilation cross section measurements
K. Todoroki, M. Hori
JINST 7, C02052 (2012)
(http://dx.doi.org/10.1088/1748-0221/7/02/C02052)

Testing CPT symmetry with antiprotonic helium and antihydrogen
E. Widmann
AIP Conf. Proc. 1441, 546 (2012)
(http://dx.doi.org/10.1063/1.3700612)

Towards the measurement of the ground-state hyperfine splitting of antihydrogen
B. Juhasz
Hyperfine Interact. 212, 69 (2012)
(http://dx.doi.org/10.1007/s10751-011-0389-2)

High-power Ti:sapphire lasers for spectroscopy of antiprotonic atoms and radioactive ions
M. Hori, A. Dax, A. Soter
Hyperfine Interact. 212, 179 (2012)
(http://dx.doi.org/10.1007/s10751-012-0641-4)

Beam profile monitor for annihilation cross section measurements of antiprotons at 100 keV
K. Todoroki
Hyperfine Interact. 213, 199 (2012)
(http://dx.doi.org/10.1007/s10751-009-0464-8)

2011

Spectroscopy of the hyperfine structure of antiprotonic 4He and 3He
S. Friedreich et al.
Hyperfine Interact. 199, 337 (2011)
(http://dx.doi.org/10.1007/s10751-011-0329-1)

Development of Beam Profile Monitor for Antiproton Annihilation Cross Section Measurements by the ASACUSA Collaboration
K. Todoroki, T. Kobayashi, M. Hori
J. Phys. Conf. Ser. 312, 082042 (2011)
(http://dx.doi.org/10.1088/1742-6596/312/8/082042)

Progress in precise laser spectroscopy of antiprotonic helium atoms
M. Hori
Canadian J. Phys. 89, 1 (2011)
(http://dx.doi.org/10.1139/P10-059)

Measurement of the ground-state hyperfine splitting of antihydrogen
B. Juhasz, E. Widmann, S. Federmann
J. Phys: Conf. Ser. 335, 012059 (2011)
(http://dx.doi.org/10.1088/1742-6596/335/1/012059)

2010

Spectroscopy of antiprotonic helium atoms and its contribution to the fundamental physical constants
R.S. Hayano,
Proc. Japan Academy Ser-A 86, 1-10 (2010)
(http://dx.doi.org/10.2183/pjab.86.1)

Precise laser spectroscopy of antiprotonic helium at CERN's antiproton decelerator
M. Hori
Hyperfine Interact. 196, 243 (2010)
(http://dx.doi.org/10.1007/s10751-009-0154-y)

Positron accumulation and manipulation for antihydrogen synthesis
H. Imao
J. Phys.: Conf. Ser. 225, 012018 (2010)
(http://dx.doi.org/10.1088/1742-6596/225/1/012018)

2009

On the double ionization of helium by very slow antiproton impact
H. Knudsen et al.,
Nuclear Instruments and Methods in Physics Research B, Vol 267, p. 244 (2009).
(pdf)
(http://dx.doi.org/doi:10.1016/j.nimb.2008.10.070)

On the measurement of ionization cross sections for antiproton impact on atoms and molecules
H. Knudsen
J. Phys:Conf. Series 194, 012040 (2009).
(http://dx.doi.org/doi:10.1088/1742-6596/194/1/012040)

Antiprotonic helium and kaonic helium - A tale of two exotic helium atoms
R.S. Hayano,
CANADIAN J Physics 87, 835-842 (2009).
(http://dx.doi.org/10.1139/P08-111)

Determination of the antiproton-to-electron mass ratio by laser spectroscopy of antiprotonic helium
D. Barna et al.
Hyperfine Interact. 194, 1 (2009)
(http://dx.doi.org/10.1007/s10751-009-0022-9)

Development of precise nanosecond and picosecond dye lasers for spectroscopy of antiprotonic atoms
M. Hori, A. Dax
Hyperfine Interact. 194, 195 (2009)
(http://dx.doi.org/10.1007/s10751-009-0050-5)

ASACUSA MUSASHI: New progress with intense ultra slow antiproton beam
H. Imao
Hyperfine Interact. 194, 71 (2009)
(http://dx.doi.org/10.1007/s10751-009-0032-7)

Radial compression of antiproton cloud for production of ultraslow antiproton beams
N. Kuroda, et al.
AIP Conf. Proc. 1114, 157 (2009)

Measurement of the antiproton-nucleus annihilation cross-section at very low energies
M. Corradini et al.
Hyperfine Interact. 194, 305 (2009)
(http://dx.doi.org/10.1007/s10751-009-0085-7)

Collisional dynamics in antiprotonic helium
M. Hori,
Nuclear Instruments and Methods in Physics Research B 267, 343-346 (2009)
(http://dx.doi.org/10.1016/j.nimb.2008.10.035)

Spatial profile monitors for keV and MeV antiproton beams by
M. Hori,
Nuclear Instruments and Methods in Physics Research A604, 154-157(2009)
(http://dx.doi.org/10.1016/j.nima.2009.01.159)

2008

Testing CPT invariance with Antiprotonic Helium
D. Horváth,
AIP Conf. Proc. 1037, 126 (2008)
(http://dx.doi.org/10.1063/1.2977832)

Determination of the antiproton-to-electron mass ratio by high precision laser spectroscopy of antiprotonic helium
N. Ono, M. Hori, R.S. Hayano
AIP Conf. Proc., 137 (2008)
(http://dx.doi.org/10.1063/1.2977833)

Collisional Effects on the Antiprotonic Helium Hyperfine Structure Measurement
T. Pask et al.,
AIP Conf. Proc. 1037, 148 (2008)
(http://dx.doi.org/10.1063/1.2977834)

Atomic Collision Experiments with Ultra‐Low‐Energy Antiprotons
H. A. Torii et al.,
AIP Conf. Proc. 1037, 297 (2008)
(http://dx.doi.org/10.1063/1.2977849)

Observation of Ultra‐Slow Antiprotons using Micro‐channel Plate
H. Imao et al.,
AIP Conf. Proc. 1037, 311 (2008)
(http://dx.doi.org/10.1063/1.2977850)

2007

Atomic collision experiment using ultra-slow antiproton beams
H.A. Torii et al.,
J. Phys.: Conf. Ser. 80 012022 (2007)
(http://dx.doi.org/10.1088/1742-6596/80/1/012022)

Weighing the antiproton by parts per-billion-scale laser spectroscopy of antiprotonic helium
R.S. Hayano,
CANADIAN J. Physics 85, 453-460 (2007)
(http://dx.doi.org/10.1139/P07-013)

2006

Extraction of ultra-slow antiproton beams for single collision experiments
H.A. Torii, et al.
Photonic, Electronic, and Atomic Collisions 415 (2006)
(http://dx.doi.org/10.1142/9789812772442_0053)

Ground-state hyperfine splitting of antihydrogen
R.S. Hayano,
Hyperfine Int. 172, 53-62 (2006)
(http://dx.doi.org/10.1007/s10751-007-9525-4)

2005

Antiproton and electron plasma behavior and its control for production of ultraslow antiproton beams
N. Kuroda, et al.
AIP Conf. Proc., 796, 321 (2005)

Laser spectroscopy of antiprotonic helium
M. Hori
2005 European Quantum Elecronics Conference IEEE Cat. No. 05TH8796, 194 (2005)

Effects of impurity molecules on the lifetime of antiprotonic helium atoms
B. Juhasz et al.
Nucl. Instr. Methods in Phys. Res. B 214, 98 (2005)
(http://dx.doi.org/10.1016/S0168-583X(03)01769-5)

Production of ultra-slow antiproton beams
H.A. Torii
AIP Conference Proceedings 793, 293 (2005)

Control of plasmas for production of ultraslow antiproton beams
N. Kuroda et. al
AIP Conference Proceedings 793, 307 (2005)

2004

Atomic transition frequencies and primary populations of antiprotonic helium atoms measured by ASACUSA
M. Hori
Nucl. Instr. Methods in Phys. Res. B 214, 74 (2004)
(http://dx.doi.org/10.1016/10.1016/S0168-583X(03)01766-X)

Measurement of the hyperfine structure of antihydrogen
E. Widmann, R.S. Hayano, M. Hori, T. Yamazaki
Nucl. Instr. Methods in Phys. Res. B 214, 31 (2004)
(http://dx.doi.org/10.1016/j.nimb.2003.08.021)

Study of the hyperfine structure of antiprotonic helium
J. Sakaguchi et al.
Nucl. Instr. Methods in Phys. Res. B 214, 89 (2004)
(http://dx.doi.org/10.1016/j.nimb.2003.08.013)