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103 results on '"Strojek I."'

101. Emulsion detectors for the antihydrogen detection in AEgIS

Author

G. Testera, Ole Røhne, S. N. Gninenko, Fabrizio Castelli, M. Subieta, Michael Doser, M. C. Simon, C. Pistillo, Paola Scampoli, James William Storey, Claude Amsler, Giovanni Consolati, Ruggero Caravita, Patrick Nedelec, Akitaka Ariga, H. Holmestad, Germano Bonomi, K. Chlouba, Johann Zmeskal, M. Spacek, L. Cabaret, G. Nebbia, T. Huse, Chloé Malbrunot, P. Bräunig, S. Rosenberger, H. Derking, F. Prelz, J. Bremer, Marco Giammarchi, V. A. Matveev, Sebastiano Mariazzi, Alexey Dudarev, Rafael Ferragut, Daniel Comparat, Z. Mazzotta, Alban Kellerbauer, Sebastian Gerber, Stefano Aghion, Simone Cialdi, Sebastian Lehner, S. D. Hogan, E. Jordan, A. S. Belov, S. Haider, N. Pacifico, M. Oberthaler, Luca Penasa, Angela Gligorova, P. Yzombard, Antonio Ereditato, Cristina Riccardi, Tomoko Ariga, L. Ravelli, I. M. Strojek, Massimo Caccia, V. Petráček, Eberhard Widmann, V. Lagomarsino, Jiro Kawada, L. Di Noto, Sandra Zavatarelli, Marco Prevedelli, Romualdo Santoro, M. Kimura, D. Krasnický, A. Demetrio, Heidi Sandaker, Alberto Rotondi, Andrea Fontana, Giovanni Cerchiari, R. S. Brusa, Pistillo, C, Aghion, S., Amsler, C., Ariga, A., Ariga, T., Belov, A., Bonomi, G., Bräunig, P., Bremer, J., Brusa, R. S., Cabaret, L., Caccia, M., Caravita, R., Castelli, F., Cerchiari, G., Chlouba, K., Cialdi, S., Comparat, D., Consolati, G., Demetrio, A., Derking, H., Di Noto, L., Doser, M., Dudarev, A., Ereditato, A., Ferragut, R., Fontana, A., Gerber, S., Giammarchi, M., Gligorova, A., Gninenko, S., Haider, S., Hogan, S., Holmestad, H., Huse, T., Jordan, E. J., Kawada, J., Kellerbauer, A., Kimura, M., Krasnický, D., Lagomarsino, V., Lehner, S., Malbrunot, C., Mariazzi, S., Matveev, V., Mazzotta, Z., Nebbia, G., Nédélec, P., Oberthaler, M., Pacifico, N., Penasa, L., Petráček, V., Prelz, F., Prevedelli, M., Ravelli, L., Riccardi, C., Røhne, O., Rosenberger, S., Rotondi, A., Sandaker, H., Santoro, R., Scampoli, Paola, Simon, M., Špaček, M., Storey, J., Strojek, I. M., Subieta, M., Testera, G., Widmann, E., Yzombard, P., Zavatarelli, S., Zmeskal, J., Laboratoire Aimé Cotton (LAC), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11)-École normale supérieure - Cachan (ENS Cachan), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and AEGIS

Subjects
Nuclear and High Energy Physics, Physics::General Physics, Antimatter, Atomic and Molecular Physics, and Optic, 530 Physics, Physics::Instrumentation and Detectors, Condensed Matter Physic, 01 natural sciences, Nuclear physics, Gravitational field, Atomic and Molecular Physics, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Physical and Theoretical Chemistry, 010306 general physics, Antihydrogen, Nuclear and High Energy Physic, Physics, Large Hadron Collider, 010308 nuclear & particles physics, Emulsion, Detector, Gravitational interaction, Emulsions, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, and Optics, Beam (structure)
Abstract

see paper for full list of authors; International audience; The AEgIS experiment at CERN aims to perform the first direct measurement of gravitational interaction between matter and antimatter by measuring the deviation of a cold antihydrogen beam in the Earth gravitational field. The design of the experiment has been recently updated to include emulsion films as position sensitive detector. The submicrometric position accuracy of emulsions leads indeed to a significant improvement of the experimental sensitivity. We present results of preliminary tests and discuss perspectives for the final measurement.

Published
2015
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102. Particle tracking at cryogenic temperatures: the Fast Annihilation Cryogenic Tracking (FACT) detector for the AEgIS antimatter gravity experiment

Author

Sandra Zavatarelli, Tomoko Ariga, Andrea Fontana, Giovanni Consolati, Marco Prevedelli, Chloé Malbrunot, Germano Bonomi, L. Ravelli, M. Spacek, G. Nebbia, S. N. Gninenko, S. Haider, Sebastiano Mariazzi, Simone Cialdi, J. Bremer, L. Cabaret, I. M. Strojek, T. Huse, E. Jordan, A. S. Belov, Ole Røhne, Sebastian Gerber, M. Kimura, Markus K. Oberthaler, S. D. Hogan, Heidi Sandaker, Rafael Ferragut, P. Scampoli, C. Pistillo, F. Prelz, Marco Giammarchi, Ruggero Caravita, Giovanni Cerchiari, Alberto Rotondi, K. Chlouba, Romualdo Santoro, Z. Mazzotta, Akitaka Ariga, James William Storey, Alban Kellerbauer, Daniel Comparat, Alexey Dudarev, V. A. Matveev, Claude Amsler, R. Vaccarone, Patrick Nedelec, Johann Zmeskal, H. Derking, M. Subieta, Angela Gligorova, P. Yzombard, N. Pacifico, Stefano Aghion, R. S. Brusa, Luca Penasa, P. Bräunig, Alice Magnani, Sebastian Lehner, Eberhard Widmann, V. Lagomarsino, Massimo Caccia, V. Petráček, Jiro Kawada, L. Di Noto, M. C. Simon, S. Rosenberger, H. Holmestad, D. Krasnicky, Antonio Ereditato, G. Testera, Cristina Riccardi, Fabrizio Castelli, Michael Doser, Storey, J., Aghion, S., Amsler, C., Ariga, A., Ariga, T., Belov, A., Bonomi, G., Braunig, P., Bremer, J., Brusa, R., Cabaret, L., Caccia, M., Caravita, R., Castelli, F., Cerchiari, G., Chlouba, K., Cialdi, S., Comparat, D., Consolati, G., Derking, H., Di Noto, L., Doser, M., Dudarev, A., Ereditato, A., Ferragut, R., Fontana, A., Gerber, S., Giammarchi, M., Gligorova, A., Gninenko, S., Haider, S., Hogan, S., Holmestad, H., Huse, T., Jordan, E. J., Kawada, J., Kellerbauer, A., Kimura, M., Krasnicky, D., Lagomarsino, V., Lehner, S., Magnani, A., Malbrunot, C., Mariazzi, S., Matveev, V., Mazzotta, Z., Nebbia, G., Nedelec, P., Oberthaler, M., Pacifico, N., Penasa, L., Petracek, V., Pistillo, C., Prelz, F., Prevedelli, M., Ravelli, L., Riccardi, C., Rohne, O. M., Rosenberger, S., Rotondi, A., Sandaker, H., Santoro, R., Scampoli, P., Simon, M., Spacek, M., Strojek, I. M., Subieta, M., Testera, G., Vaccarone, R., Widmann, E., Yzombard, P., Zavatarelli, S., Zmeskal, J., Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and AEgIS

Subjects
Atom interferometer, gas and liquid scintillators), Physics::Instrumentation and Detectors, 530 Physics, Context (language use), Cryogenics, Tracking (particle physics), Nuclear physics, Particle tracking detectors, Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators), Silicon photomultiplier, Physics::Atomic and Molecular Clusters, Physics::Atomic Physics, Detectors and Experimental Techniques, Antihydrogen, Instrumentation, Mathematical Physics, Physics, Detector, antimatter. scintillating fibers, [SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], Particle tracking detector, antimatter. scintillating fibers, silicon photomultipliers, scintillation and light emission processes (solid, Scintillators, Antimatter, silicon photomultipliers
Abstract

see paper for full list of authors; International audience; The AEgIS experiment is an interdisciplinary collaboration between atomic, plasma and particle physicists, with the scientific goal of performing the first precision measurement of the Earth's gravitational acceleration on antimatter. The principle of the experiment is as follows: cold antihydrogen atoms are synthesized in a Penning-Malmberg trap and are Stark accelerated towards a moiré deflectometer, the classical counterpart of an atom interferometer, and annihilate on a position sensitive detector. Crucial to the success of the experiment is an antihydrogen detector that will be used to demonstrate the production of antihydrogen and also to measure the temperature of the anti-atoms and the creation of a beam. The operating requirements for the detector are very challenging: it must operate at close to 4 K inside a 1 T solenoid magnetic field and identify the annihilation of the antihydrogen atoms that are produced during the 1 μs period of antihydrogen production. Our solution—called the FACT detector—is based on a novel multi-layer scintillating fiber tracker with SiPM readout and off the shelf FPGA based readout system. This talk will present the design of the FACT detector and detail the operation of the detector in the context of the AEgIS experiment.

Published
2015
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103. Examination of the influence of transfer channels on the barrier height distribution: Scattering of 20Ne on 58Ni,60Ni, and 61Ni at near-barrier energies.

Author

Trzciiska, A., Piasecki, E., Amar, A., Czarnacki, W., Keeley, N., Kisieliiski, M., Kliczewski, S., Kowalczyk, M., Lommel, B., Mutterer, M., Siudak, R., Stolarz, A., Strojek, I., Tiourin, G., and Trzaska, W. H.

Subjects
*NUCLEAR excitation, *TRANSPLANTATION of cell nuclei
Abstract

Background: It was suggested that the shape of the barrier height distribution can be determined not only by strong reaction channels (collective excitations) but also by weak channels such as transfers and/or noncollective excitations. Purpose: The study of the barrier height distributions for the 20Ne+58,60,61Ni systems requires information on transfer cross sections at near-barrier energies. Methods: A measurement of the cross sections for various transfer channels at a backward angle (142 degrees), at a near-barrier energy was performed. Identification of products was based on time-of-flight and EEE methods. A measurement of the angular distribution of stripping in the 20Ne+61Ni system was performed using a gas EEE telescope. Results: For all three systems studied: 20Ne+58Ni,60Ni, and 61Ni total (sum of all transfer channels) cross sections are similar and dominated by stripping. Conclusions: The results, as well as coupled reaction channel calculations, suggest that transfer is not responsible for smoothing the barrier height distribution in 20Ne+61Ni, supporting the hypothesis that barrier distribution shapes are influenced by noncollective excitations. [ABSTRACT FROM AUTHOR]

Published
2016
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