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51. Secondary positrons and electrons in near-Earth space in the PAMELA experiment

Author

A. G. Mayorov, Alfonso Monaco, S. Y. Krutkov, D. Campana, Alexey Leonov, Matteo Martucci, M. Merge, Marco Casolino, Sergey Koldobskiy, Yu. T. Yurkin, G. C. Barbarino, M. Bongi, N. Zampa, V. Bonvicini, P. Picozza, G. Zampa, Beatrice Panico, L. Marcelli, Andrea Vacchi, E. Mocchiutti, V. Di Felice, A. Bruno, A. A. Kvashnin, M. F. Runtso, S. A. Voronov, Sergey Koldashov, M. Simon, Mirko Boezio, Riccardo Munini, A. V. Karelin, Yuri Stozhkov, V. V. Malakhov, O. Adriani, W. Menn, G. A. Bazilevskaya, G. Osteria, P. Spillantini, S. Bottai, G. Castellini, Roberto Bellotti, A. M. Galper, E. A. Bogomolov, Marco Ricci, A. N. Kvashnin, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, G. I. Vasilyev, Nicola Mori, C. De Santis, V. V. Mikhailov, R. Sparvoli, Per Carlson, F. Cafagna, Mikhailov, V. V., Adriani, O., Bazilevskaya, G. A., Barbarino, G. C., Bellotti, R., Bogomolov, E. A., Boezio, M., Bonvicini, V., Bongi, M., Bottai, S., Bruno, A., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Galper, A. M., De Santis, C., Di Felice, V., Zampa, G., Zampa, N., Casolino, M., Campana, D., Karelin, A. V., Carlson, P., Castellini, G., Cafagna, F., Kvashnin, A. A., Kvashnin, A. N., Koldashov, S. V., Koldobskiy, S. A., Krutkov, S. Y., Leonov, A. A., Mayorov, A. G., Malakhov, V. V., Martucci, M., Marcelli, L., Menn, W., Merge, M., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Panico, B., Papini, P., Picozza, P., Pearce, M., Ricci, M., Ricciarini, S. B., Runtso, M. F., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., and Yurkin, Y. T.

Subjects
Settore FIS/01, Physics, PAMELA detector, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, Magnetosphere, Cosmic ray, Astrophysics, Electron, 01 natural sciences, law.invention, Atmosphere, Physics and Astronomy (all), symbols.namesake, Atmosphere of Earth, Positron, law, Van Allen radiation belt, Physics::Space Physics, 0103 physical sciences, symbols, Cosmology, Earth (planet), Earth atmosphere, Orbits, Positrons, Radiation belts Different mechanisms, Electron flux, Magnetic spectrometers, Near-earth spaces, Secondary particles, Trapped particle, Astrophysics::Earth and Planetary Astrophysics, 010306 general physics
Abstract

Fluxes of electrons and positrons with energies above ~100 MeV in the near-Earth space are measured with the PAMELA magnetic spectrometer aboard the Resurs DK-1 satellite launched on June 15, 2006, into a quasipolar orbit with an altitude of 350–600 km and an inclination of 70°. Calculating the trajectories of detected electrons and positrons in the magnetosphere of the Earth allows us to determine their origin and isolate particles produced during interaction between cosmic rays and the residual atmosphere. Spatial distributions of albedo, quasitrapped, and trapped (in the radiation belt) positrons and electrons are presented. The ratio of positron and electron fluxes suggests that the fluxes of trapped particles of the radiation belt and quasitrapped secondary particles have different mechanisms of formation.

Published
2017

52. Muon radiography applied to volcanoes imaging: the MURAVES experiment at Mt. Vesuvius

Author

L. Cimmino, G. Baccani, L. Scognamiglio, F. Ambrosino, A. Bross, Vitaliano Ciulli, M. D'Errico, Roberto Ciaranfi, Nicola Mori, Massimo Orazi, Giovanni Scarpato, Lorenzo Bonechi, Rosario Peluso, Pasquale Noli, Flora Giudicepietro, M. Bongi, P. Strolin, S. Gonzi, A. Caputo, Giovanni Macedonio, L. Viliani, E. Vertechi, Anna Pla-Dalmau, G. Saracino, B. Melon, V. Masone, Raffaello D'Alessandro, G. Passeggio, D'Errico, M., Ambrosino, F., Baccani, G., Bonechi, L., Bross, A., Bongi, M., Caputo, A., Ciaranfi, R., Cimmino, L., Ciulli, V., D'Alessandro, R., Giudicepietro, F., Gonzi, S., Macedonio, G., Masone, V., Melon, B., Mori, N., Noli, P., Orazi, M., Passeggio, G., Peluso, R., Pla-Dalmau, A., Saracino, G., Scarpato, G., Scognamiglio, L., Strolin, P., Vertechi, E., and Viliani, L.

Subjects
Scintillators and scintillating fibres and light guide, geography, Interaction of radiation with matter, Muon, geography.geographical_feature_category, Volcano, Detector cooling and thermo-stabilization, Muon radiography, Simulation methods and programs, Instrumentation, Mathematical Physics, Geology, Seismology
Abstract

Muon radiography is a technique based on the measurement of absorption profiles of muons as they pass through matter. This measurement allows to obtain an image of the inner structure of large volume objects and is suitable to be applied in several fields, such as volcanology, archaeology and civil engeneering. One of the main applications concerns the study of volcanic structures; indeed it is possible to use this technique to measure the mass distribution inside the edifice of a volcano providing useful information to better understand the possible eruption mechanisms. The MURAVES (MUon RAdiography of VESuvius) project aims to the study of the summital cone of Mt. Vesuvius near Naples in Italy, one of the most dangerous active volcanoes in the world. The MURAVES apparatus is a modular, robust muon hodoscope system with a low power consumption, optimized to be used in inhospitable environments like the surroundings of volcanoes. The complete detection system is an array of identical tracking modules, each with an area of 1 m2, based on the use of plasic scintillators. The technologies, the status and the data analysis strategy of the experiment will be presented in this paper.

Published
2020

53. Measurement of inclusive forward neutron production cross section in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV with the LHCf Arm2 detector

Author

Toshiharu Suzuki, Raffaello D'Alessandro, Y. Makino, Katsuaki Kasahara, M. Bongi, Yasushi Muraki, W. C. Turner, Kimiaki Masuda, M. Haguenauer, Alessia Tricomi, N. Sakurai, Masato Shinoda, Yoshitaka Itow, E. Berti, Q. D. Zhou, O. Adriani, Shoji Torii, A. Tiberio, Kenta Sato, Hiroaki Menjo, T. Tamura, Ken Ohashi, L. Bonechi, Takashi Sako, S. B. Ricciarini, P. Papini, S. Detti, M. Ueno, École polytechnique (X), and LHCf

Subjects
p p: scattering, Nuclear and High Energy Physics, Particle physics, interaction: model, Proton, 13000 GeV-cms, air, FOS: Physical sciences, Unfolding, 01 natural sciences, energy dependence, rapidity dependence, High Energy Physics - Experiment, differential cross section: measured, High Energy Physics - Experiment (hep-ex), Cross section (physics), Hadron-Hadron scattering (experiments), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Neutron, structure, cosmic radiation: UHE, Nuclear Experiment, 010306 general physics, Physics, Range (particle radiation), rapidity: difference, Large Hadron Collider, showers: atmosphere, hep-ex, 010308 nuclear & particles physics, LHC-F, Forward physics, Hadron-Hadron scattering (experiments), Unfolding, CERN LHC Coll, Pseudorapidity, Forward physics, High Energy Physics::Experiment, Production (computer science), n: production, numerical calculations: Monte Carlo, p p: colliding beams, Particle Physics - Experiment, Energy (signal processing), experimental results
Abstract

In this paper, we report the measurement relative to the production of forward neutrons in proton-proton collisions at $ \sqrt{s}=13 $ TeV obtained using the LHCf Arm2 detector at the Large Hadron Collider. The results for the inclusive differential production cross section are presented as a function of energy in three different pseudorapidity regions: η > 10.76, 8.99 < η < 9.22 and 8.81 < η < 8.99. The analysis was performed using a data set acquired in June 2015 that corresponds to an integrated luminosity of 0.194 nb$^{−1}$. The measurements were compared with the predictions of several hadronic interaction models used to simulate air showers generated by Ultra High Energy Cosmic Rays. None of these generators showed good agreement with the data for all pseudorapidity intervals. For η > 10.76, no model is able to reproduce the observed peak structure at around 5 TeV and all models underestimate the total production cross section: among them, QGSJET II-04 shows the smallest deficit with respect to data for the whole energy range. For 8.99 < η < 9.22 and 8.81 < η < 8.99, the models having the best overall agreement with data are SIBYLL 2.3 and EPOS-LHC, respectively: in particular, in both regions SIBYLL 2.3 is able to reproduce the observed peak structure at around 1.5–2.5 TeV. In this paper, we report the measurement relative to the production of forward neutrons in proton-proton collisions at $\mathrm{\sqrt{s} = 13~TeV}$ obtained using the LHCf Arm2 detector at the Large Hadron Collider. The results for the inclusive differential production cross section are presented as a function of energy in three different pseudorapidity regions: $\eta > 10.76$, $8.99 < \eta < 9.22$ and $8.81 < \eta < 8.99$. The analysis was performed using a data set acquired in June 2015 that corresponds to an integrated luminosity of $\mathrm{0.194~nb^{-1}}$. The measurements were compared with the predictions of several hadronic interaction models used to simulate air showers generated by Ultra High Energy Cosmic Rays. None of these generators showed good agreement with the data for all pseudorapidity intervals. For $\eta > 10.76$, no model is able to reproduce the observed peak structure at around $\mathrm{5~TeV}$ and all models underestimate the total production cross section: among them, QGSJET II-04 shows the smallest deficit with respect to data for the whole energy range. For $8.99 < \eta < 9.22$ and $8.81 < \eta < 8.99$, the models having the best overall agreement with data are SIBYLL 2.3 and EPOS-LHC, respectively: in particular, in both regions SIBYLL 2.3 is able to reproduce the observed peak structure at around $\mathrm{1.5-2.5~TeV}$.

Published
2018

54. Evidence of energy and charge sign dependence of the recovery time for the December 2006 Forbush event measured by the PAMELA experiment

Author

D. Campana, Ian G. Richardson, Sergey Koldashov, Marco Casolino, Yu. T. Yurkin, A. V. Karelin, S. Y. Krutkov, Mark Pearce, S. B. Ricciarini, S. A. Voronov, G. Castellini, Steven Stochaj, V. Di Felice, P. Papini, G. Zampa, Beatrice Panico, E. Vannuccini, Marco Ricci, Riccardo Munini, M. Bongi, A. G. Mayorov, Alexey Leonov, A. N. Kvashnin, P. Picozza, G. Osteria, Alfonso Monaco, R. Sparvoli, P. Spillantini, G. I. Vasilyev, O. Adriani, W. Menn, James M. Ryan, M. Merge, V. Bonvicini, Mirko Boezio, E. Mocchiutti, M. S. Potgieter, Y. I. Stozhkov, Nicola Mori, V. V. Mikhailov, L. Marcelli, Roberto Bellotti, C. De Santis, P. Carlson, A. M. Galper, A. Bruno, Sergey Koldobskiy, G. C. Barbarino, E. C. Christian, Matteo Martucci, N. Zampa, G. A. de Nolfo, G. A. Bazilevskaya, F. Cafagna, Andrea Vacchi, S. Bottai, V. V. Malakhov, M. Simon, Munini, R., Boezio, M., Bruno, A., Christian, E. C., Nolfo, G. A. D., Felice, V. D., Martucci, M., Merge, M., Richardson, I. G., Ryan, J. M., Stochaj, S., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Bongi, M., Bonvicini, V., Bottai, S., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., Santis, C. D., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Mayorov, A. G., Menn, W., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Osteria, G., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., and Potgieter, M. S.

Subjects
010504 meteorology & atmospheric sciences, cosmic rays, Sun: coronal mass ejections (CMEs), Sun: heliosphere, Sun: particle emission, Astronomy and Astrophysics, Space and Planetary Science, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Cosmic ray, Astrophysics, 01 natural sciences, Physics - Space Physics, 0103 physical sciences, 010303 astronomy & astrophysics, cosmic ray, 0105 earth and related environmental sciences, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), Settore FIS/04, Space Physics (physics.space-ph), Physics::Space Physics, Astrophysics - High Energy Astrophysical Phenomena, Event (particle physics), Sign (mathematics)
Abstract

New results on the short-term galactic cosmic-ray (GCR) intensity variation (Forbish decrease) in 2006 December measured by the PAMELA instrument are presented. Forbush decreases are sudden suppressions of the GCR intensities, which are associated with the passage of interplanetary transients such as shocks and interplanetary coronal mass ejections (ICMEs). Most of the past measurements of this phenomenon were carried out with groundbased detectors such as neutron monitors or muon telescopes. These techniques allow only the indirect detection of the overall GCR intensity over an integrated energy range. For the first time, thanks to the unique features of the PAMELA magnetic spectrometer, the Forbush decrease, commencing on 2006 December 14 and following a CME at the Sun on 2006 December 13, was studied in a wide rigidity range (0.4-20 GV) and for different species of GCRs detected directly in space. The daily averaged GCR proton intensity was used to investigate the rigidity dependence of the amplitude and the recovery time of the Forbush decrease. Additionally, for the first time, the temporal variations in the helium and electron intensities during a Forbush decrease were studied. Interestingly, the temporal evolutions of the helium and proton intensities during the Forbush decrease were found to be in good agreement, while the low rigidity electrons (

Published
2018
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55. Search for GeV Gamma-Ray Counterparts of Gravitational Wave Events by CALET

Author

Emanuele Berti, Toshio Terasawa, R. Sparvoli, L. Pacini, J. Kataoka, T. Sakamoto, A. V. Penacchioni, A. M. Messineo, T. G. Guzik, O. Adriani, S. Miyake, Kunihito Ioka, A. A. Moiseev, G. Collazuol, K. Sakai, Satoshi Nakahira, I. Takahashi, S. B. Ricciarini, F. Stolzi, Y. Tsunesada, T. Lomtadze, Gabriele Bigongiari, K. Ebisawa, John Mitchell, W. R. Binns, A. Yoshida, Katsuaki Asano, Yoichi Asaoka, Seiya Ueno, P. Spillantini, J. E. Suh, Norita Kawanaka, Y. Shimizu, Holger Motz, Y. Akaike, P. Papini, J. F. Krizmanic, Michael Cherry, Y. Kawakubo, J. F. Ormes, K. Hibino, Masaki Mori, M. Bongi, S. Yanagita, F. Palma, M. Takayanagi, Ryuho Kataoka, H. Murakami, S. Bonechi, S. Ozawa, E. Vannuccini, Maria Grazia Bagliesi, N. Cannady, A. Shiomi, K. Kasahara, V. Di Felice, N. Hasebe, M. Sasaki, G. A. de Nolfo, K. Mori, C. Checchia, T. Hams, T. Tamura, J. H. Buckley, Masato Takita, J. Nishimura, Paolo Maestro, W. Ishizaki, Chihiro Kato, Shoji Torii, Brian Rauch, Kazunori Kohri, M. Hareyama, M. H. Israel, Kazuoki Munakata, Kenji Yoshida, Y. Katayose, Kazutaka Yamaoka, J. P. Wefel, H. Tomida, Henric Krawczynski, M. Ichimura, G. Castellini, A. Sulaj, N. Tateyama, P. S. Marrocchesi, H. Fuke, Paolo Brogi, S. Okuno, N. Mori, and Y. Uchihori

Subjects
Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Electron, Astrophysics, NEUTRON-STAR MERGERS, 01 natural sciences, gamma rays: general, gravitational waves, methods: observational, Luminosity, GW170817, 0103 physical sciences, GW151226, BURSTS, Sensitivity (control systems), 010306 general physics, SIGNATURES, BLACK-HOLE MERGERS, EMISSION, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, gamma rays: general, gravitational waves, methods: observational, 010308 nuclear & particles physics, Gravitational wave, Settore FIS/04, Gamma ray, Order (ring theory), Astronomy and Astrophysics, LIGO, Space and Planetary Science, Astrophysics - High Energy Astrophysical Phenomena
Abstract

著者人数: 91名(所属. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS): 海老沢, 研; 福家, 英之; 森, 国城; 西村, 純; 高柳, 昌弘; 冨田, 洋; 上野, 史郎), Number of authors: 91(Affiliation. Institute of Space and Atronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS): Ebisawa, Ken; Fuke, Hideyuki; Mori, Kunishiro; Nishimura, Jun; Takayanagi, Masahiro; Tomida, Hiroshi; Ueno, Shiro), Accepted: 2018-07-03, 資料番号: SA1180102000

Published
2018

56. Characteristics and Performance of the CALorimetric Electron Telescope (CALET) Calorimeter for Gamma-Ray Observations

Author

Ryuho Kataoka, J. E. Suh, Holger Motz, Shoji Torii, F. Satoh, Chihiro Kato, Paolo Maestro, R. Sparvoli, S. Ozawa, Y. Uchihori, T. G. Guzik, T. Sakamoto, J. H. Buckley, M. H. Israel, Y. Shimizu, S. Bonechi, M. Tanaka, L. Pacini, Kazutaka Yamaoka, Norita Kawanaka, M. Bongi, P. S. Marrocchesi, H. Tomida, K. Sakai, F. Palma, P. Spillantini, M. Ichimura, H. Fuke, Paolo Brogi, T. Hams, Brian Rauch, Y. Akaike, Teimuraz Lomtadze, Y. Tsunesada, Gabriele Bigongiari, Eugenio Berti, A. Yoshida, Makoto Hareyama, Katsuaki Asano, K. Kasahara, N. Hasebe, S. B. Ricciarini, Henric Krawczynski, A. V. Penacchioni, A. Sulaj, N. Tateyama, O. Adriani, K. Mori, Kunihito Ioka, H. Murakami, P. Papini, G. Castellini, J. F. Ormes, E. Vannuccini, Kazunori Kohri, Shohei Yanagita, J. Nishimura, V. Di Felice, Toshio Terasawa, Y. Katayose, A. A. Moiseev, S. Miyake, M. Sasaki, Yoichi Asaoka, J. P. Wefel, Shinji Ueno, F. Stolzi, Satoshi Nakahira, Masahiro Takayanagi, W. R. Binns, John Mitchell, N. Cannady, K. Hibino, A. Shiomi, S. Okuno, Y. Kawakubo, Maria Grazia Bagliesi, I. Takahashi, K. Ebisawa, Jun Kataoka, A. M. Messineo, J. F. Krizmanic, Michael Cherry, Masaki Mori, G. Collazuol, G. A. de Nolfo, T. Tamura, W. Ishizaki, C. Checchia, Masato Takita, Kazuoki Munakata, Nicola Mori, and Kenji Yoshida

Subjects
Physics, Settore FIS/01, Calorimeter (particle physics), instrumentation: detectors, Gamma ray, Astronomy and Astrophysics, FERMI-LAT OBSERVATIONS, Electron, PULSAR, gamma rays: general, gamma-rays: general, FRAMEWORK, 01 natural sciences, methods: data analysis, law.invention, Nuclear physics, Telescope, OPERATIONS, Space and Planetary Science, law, 0103 physical sciences, 010306 general physics, 010303 astronomy & astrophysics
Abstract

著者人数: 93名(所属. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS): 海老沢, 研; 福家, 英之; 森, 国城; 西村, 純; 高柳, 昌弘; 冨田, 洋; 上野, 史郎), Number of authors: 93(Affiliation. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS): Ebisawa, Ken; Fuke, Hideyuki; Mori, Kunishiro; Nishimura, Jun; Takayanagi, Masahiro; Tomida, Hiroshi; Ueno, Shiro), Accepted: 2018-07-26, 資料番号: SA1180103000

Published
2018

57. Proton Fluxes Measured by the PAMELA Experiment from the Minimum to the Maximum Solar Activity for Solar Cycle 24

Author

Yu. T. Yurkin, V. Di Felice, M. S. Potgieter, Mark Pearce, S. B. Ricciarini, V. Bonvicini, P. Spillantini, Y. I. Stozhkov, A. N. Kvashnin, Riccardo Munini, L. Marcelli, Andrea Vacchi, P. Papini, E. Vannuccini, A. Bruno, Roberto Bellotti, A. M. Galper, R. Sparvoli, O. Adriani, A. G. Mayorov, S. Y. Krutkov, V. V. Mikhailov, W. Menn, V. V. Malakhov, M. Simon, Sergey Koldobskiy, A. A. Leonov, M. Bongi, G. C. Barbarino, Marco Ricci, N. Zampa, N. Marcelli, Alfonso Monaco, G. A. Bazilevskaya, P. Picozza, A. V. Karelin, S. A. Voronov, Jan-Louis Raath, Mirko Boezio, M. Merge, Matteo Martucci, S. Bottai, E. Mocchiutti, G. Osteria, F. Cafagna, G. Castellini, Per Carlson, C. De Santis, G. I. Vasilyev, Nicola Mori, G. Zampa, Beatrice Panico, Sergey Koldashov, D. Campana, Marco Casolino, Martucci, M., Munini, R., Boezio, M., Felice, V. D., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., Santis, C. D., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Marcelli, N., Mayorov, A. G., Menn, W., Merge, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Osteria, G., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., Potgieter, M. S., and Raath, J. L.

Subjects
Astroparticle physics, Physics, astroparticle physics, cosmic rays, Sun: heliosphere, Astronomy and Astrophysics, Space and Planetary Science, 010504 meteorology & atmospheric sciences, Proton, Astrophysics::High Energy Astrophysical Phenomena, Settore FIS/04, astroparticle physic, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Solar cycle 24, 01 natural sciences, 0103 physical sciences, Physics::Space Physics, 010303 astronomy & astrophysics, cosmic ray, Intensity (heat transfer), 0105 earth and related environmental sciences
Abstract

Precise measurements of the time-dependent intensity of the low-energy (

Published
2018
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58. On-orbit operations and offline data processing of CALET onboard the ISS

Author

N. Mori, Y. Uchihori, F. Stolzi, Y. Shimizu, J. F. Ormes, M. Bongi, S. Ozawa, K. Hibino, A. V. Penacchioni, O. Adriani, Kunihito Ioka, S. Yanagita, Brian Rauch, M. Ichimura, R. Sparvoli, Henric Krawczynski, Y. Katayose, K. Kasahara, N. Hasebe, Seiya Ueno, K. Sakai, T. Sakamoto, P. Spillantini, J. P. Wefel, G. Collazuol, G. A. de Nolfo, Paolo Maestro, M. Takayanagi, Norita Kawanaka, F. Palma, T. G. Guzik, A. Javaid, T. Lomtadze, Y. Tsunesada, Gabriele Bigongiari, A. Yoshida, T. Hams, K. Mori, P. Papini, J. Nishimura, Kenji Yoshida, T. Tamura, Shoji Torii, J. H. Buckley, Holger Motz, Toshio Terasawa, H. Murakami, A. A. Moiseev, Masato Takita, M. H. Israel, S. Bonechi, V. Di Felice, Kazutaka Yamaoka, J. Kataoka, W. R. Binns, Y. Akaike, C. Checchia, M. Hareyama, Kazuoki Munakata, G. Castellini, H. Tomida, N. Tateyama, Satoshi Nakahira, E. Vannuccini, Maria Grazia Bagliesi, W. Ishizaki, K. Ebisawa, T. Yuda, S. Miyake, John Mitchell, J. F. Krizmanic, Michael Cherry, A. Shiomi, Masaki Mori, K. Mizutani, Yoichi Asaoka, M. Sasaki, I. Takahashi, S. B. Ricciarini, A. M. Messineo, H. Fuke, Paolo Brogi, S. Okuno, Katsuaki Asano, Ryuho Kataoka, N. Cannady, Shuichi Kuramata, Chihiro Kato, P. S. Marrocchesi, Y. Kawakubo, and L. Pacini

Subjects
Physics - Instrumentation and Detectors, 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Cosmic ray, CALET, 01 natural sciences, law.invention, Telescope, Data acquisition, law, 0103 physical sciences, International Space Station, Direct measurement, Geomagnetic latitude, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), 0105 earth and related environmental sciences, Physics, Settore FIS/01, Calorimeter, Ground support equipment, International space station, Gamma ray, Astronomy, Astronomy and Astrophysics, Instrumentation and Detectors (physics.ins-det), Earth's magnetic field, Cosmic-ray electrons, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

著者人数: 91名（所属. 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS): 海老沢, 研; 福家, 英之; 森, 國城; 西村, 純; 高柳, 昌弘; 上野, 史郎), Accepted: 2018-02-26, 資料番号: SA1170331000

Published
2018

59. Searching for cosmic ray anisotropy using the calorimeter in the PAMELA experiment

Author

A. V. Karelin, Nicola Mori, W. Menn, Y. Wu, Andrea Vacchi, S. V. Borisov, G. A. Bazilevskaya, Giovanna Jerse, M. F. Runtso, A. M. Galper, R. Belotti, S. A. Voronov, A. N. Kvashnin, A. G. Mayorov, P. Picozza, C. Pizzolotto, Mirko Boezio, G. I. Vasilyev, R. Carbone, P. Spillantini, A. Bruno, L. Consiglio, Sergey Koldobskiy, G. C. Barbarino, C. De Santis, Mark Pearce, S. B. Ricciarini, Alfonso Monaco, N. De Simone, Laura Rossetto, Yu. T. Yurkin, P. Papini, E. Vannuccini, G. Castellini, Yu. I. Stozhkov, Giuseppe Osteria, Gianluigi Zampa, S. Bottai, V. V. Malakhov, V. G. Zverev, M. P. De Pascale, S. Yu. Krutkov, M. Bongi, E. A. Bogomolov, N. Zampa, Roberta Sparvoli, A. A. Leonov, Lorenzo Bonechi, D. Campana, Marco Casolino, L. Marcelli, O. Adriani, V. V. Mikhailov, P. Carlson, F. Cafagna, I. A. Danilchenko, S. V. Koldashov, Marco Ricci, E. Mocchiutti, M. Simon, V. Di Felice, V. Malvezzi, V. Bonvicini, A., Karelin, O., Adriani, Barbarino, Giancarlo, G., Bazilevskaya, R., Belotti, M., Boezio, E., Bogomolov, L., Bonechi, M., Bongi, V., Bonvicini, S. h., Borisov, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G., Vasilyev, S., Voronov, Y., Wu, A., Galper, I., Danilchenko, M. D., Pascale, C. D., Santi, N. D., Simone, V. D., Felice, G., Jerse, V., Zverev, G., Zampa, N., Zampa, F., Cafagna, D., Campana, R. h., Carbone, P., Carlson, M., Casolino, G., Castellini, A., Kvashnin, S., Koldashov, S., Koldobskiy, Consiglio, Lucia, S., Krutkov, A., Leonov, V., Malvezzi, L., Marcelli, A., Mayorov, V., Malakhov, W., Menn, V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Osteria, Giuseppe, P., Papini, M., Pearce, P., Picozza, C., Pizzolotto, M., Ricci, S., Ricciarini, L., Rossetto, M., Runtso, M., Simon, R., Sparvoli, P., Spillantini, Y., Stozhkov, and Y., Yurkin

Subjects
Physics, Range (particle radiation), Scintillation, genetic structures, Calorimeter (particle physics), PAMELA detector, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, Cosmic ray, Electron, Radiation, law.invention, Nuclear physics, Physics and Astronomy (all), Calorimeters, law, A-particles, Cosmic ray anisotropy, Cosmic ray spectra, Electron component, Experiment study, Nuclear components, Position sensitive, Secondary particle, High Energy Physics::Experiment, Anisotropy, Cosmic rays, Experiment, Anisotropy
Abstract

The satellite-borne PAMELA experiment studies cosmic ray spectra over a wide range of energies. The instrument was placed in orbit in June 2006 and remains there to the present day. A position-sensitive calorimeter is one of the main parts of the PAMELA instrument. The calorimeter data are used to determine the energy of particles that interact within it, separate the electron component of the detected radiation from the nuclear component, and reconstruct the tracks of particles passing through the instrument. The special calorimeter and S4 scintillation shower detector triggers enables us to expand our statistics considerably. Using the calorimeter data in generating these triggers means we can study the anisotropy of cosmic rays with energies in excess of tens of GeV. This method of anisotropy detection is based on reconstructing the direction of a particle's arrival from the axis of the secondary particle cascade in the calorimeter. ?????? 2013 Allerton Press, Inc.

Published
2013

60. Search for a positron anisotropy with PAMELA experiment

Author

Mark Pearce, S. B. Ricciarini, A. V. Karelin, E. Vannuccini, D. Campana, P. Spillantini, G. Osteria, Marco Casolino, V. Di Felice, G. Zampa, Beatrice Panico, Sergey Koldobskiy, G. C. Barbarino, Riccardo Munini, N. De Simone, R. Sparvoli, E. Mocchiutti, Alfonso Monaco, Maria Teresa Ricci, F. Cafagna, Matteo Martucci, V. Bonvicini, Nicola Mori, O. Adriani, Y. I. Stozhkov, M. Merge, S. V. Koldashov, Y. T. Yurkin, V. V. Malakhov, S. Y. Krutkov, W. Menn, L. Marcelli, V. V. Mikhailov, A. M. Galper, A. Vacchi, S. Bottai, N. Zampa, M. Simon, G. A. Bazilevskaya, A. G. Mayorov, Valerio Formato, A. Bruno, A. A. Leonov, Valentina Scotti, Roberto Bellotti, M. Bongi, P. Picozza, A. N. Kvashnin, Mirko Boezio, S. A. Voronov, Ritabrata Sarkar, G. I. Vasilyev, E. A. Bogomolov, Per Carlson, Ugo Giaccari, G. Castellini, F. Palma, C. De Santis, and C. De Donato

Subjects
Nuclear physics, Physics, Positron, Earth's magnetic field, Pulsar, Astrophysics::High Energy Astrophysical Phenomena, Isotropy, Physics::Accelerator Physics, General Earth and Planetary Sciences, High Energy Physics::Experiment, Electron, Anisotropy, General Environmental Science
Abstract

The PAMELA experiment has been collecting data since 2006; its results indicate a rise in the positron fraction with respect to the sum of electrons and positrons in the cosmic-ray (CR) spectrum above 10 GeV. This excess can be due to additional sources, as SNRs or pulsars, which can lead to an anisotropy in the local CR positron, detectable from current experiments. We report on the analysis on spatial distributions of positron events collected by PAMELA, taking into account also the geomagnetic field effects. No significant deviation from the isotropy has been observed.

Published
2015

61. Reentrant albedo proton fluxes measured by the PAMELA experiment

Author

D. Campana, S. Bottai, P. Spillantini, F. Cafagna, F. Palma, Roberto Bellotti, A. M. Galper, Marco Casolino, A. N. Kvashnin, Valerio Formato, V. V. Malakhov, A. V. Karelin, G. Osteria, Yu. T. Yurkin, Nicola Mori, V. Bonvicini, Per Carlson, Mirko Boezio, Alfonso Monaco, Y. I. Stozhkov, Sergey Koldashov, Alexey Leonov, M. Bongi, S. Y. Krutkov, V. Di Felice, M. Merge, Riccardo Munini, A. G. Mayorov, N. Zampa, Ritabrata Sarkar, G. I. Vasilyev, G. Zampa, Beatrice Panico, S. A. Voronov, G. A. Bazilevskaya, Roberta Sparvoli, Valentina Scotti, V. V. Mikhailov, C. De Santis, C. De Donato, Matteo Martucci, P. Picozza, E. A. Bogomolov, L. Marcelli, A. Vacchi, O. Adriani, W. Menn, A. Bruno, Marco Ricci, Mark Pearce, S. B. Ricciarini, G. Castellini, P. Papini, E. Vannuccini, E. Mocchiutti, Sergey Koldobskiy, G. C. Barbarino, M. Simon, and N. De Simone

Subjects
Physics, Proton, Nuclear Theory, Cosmic ray, Astrophysics, Albedo, Kinetic energy, Magnetic field, Nuclear physics, Geophysics, Reentrancy, Space and Planetary Science, Antimatter, Physics::Accelerator Physics, Nuclear Experiment
Abstract

We present a precise measurement of downward going albedo proton fluxes for kinetic energy above similar to 70 MeV performed by the Payload for Antimatter Matter Exploration and Light-nuclei Astrop ...

Published
2015

62. Splash and Re-entrant Albedo Fluxes Measured in the PAMELA Experiment

Author

A. V. Karelin, Mark Pearce, S. B. Ricciarini, F. Palma, R. Carbone, Sergey Koldobskiy, G. C. Barbarino, Valerio Formato, A. G. Mayorov, P. Papini, E. Vannuccini, M.A. Mayorova, Alfonso Monaco, V. DiFelice, Alexey Leonov, Roberto Bellotti, O. Adriani, V. Bonvicini, Mirko Boezio, C. DeDonato, C. DeSantis, W. Menn, A. M. Galper, N. Zampa, Ritabrata Sarkar, G. Osteria, M. Merge, A. N. Kvashnin, G. Zampa, Beatrice Panico, M. Simon, Yu. T. Yurkin, Matteo Martucci, N. DeSimone, Nicola Mori, M. Bongi, Marco Ricci, V. V. Malakhov, S. Bottai, A.I. Moiseeva, G. Castellini, Riccardo Munini, G. A. Bazilevskaya, A.A. Kvashnin, C. Pizzolotto, Valentina Scotti, R. Sparvoli, E. Mocchiutti, Yuri Stozhkov, L. Marcelli, A. Vacchi, A. Bruno, Per Carlson, F. Cafagna, V. V. Mikhailov, S. A. Voronov, E. A. Bogomolov, P. Spillantini, Sergey Koldashov, P. Picozza, V. G. Zverev, D. Campana, Marco Casolino, Mayorov, A. G., Moiseeva, A. I., Adriani, O., Barbarino, Giancarlo, Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carbone, R., Carlson, P., Casolino, M., Castellini, G., Dedonato, C., Desantis, C., Desimone, N., Difelice, V., Formato, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Kvashnin, A. A., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorova, M. A., Menn, W., Merge’, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Pizzolotto, C., Ricci, M., Ricciarini, S. B., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., and Zverev, V. G.

Subjects
Physics, Splash, Calorimeter (particle physics), Spectrometer, Aperture, Settore FIS/04, Detector, Astrophysics, Albedo, Physics and Astronomy(all), splash albedo, Latitude, Physics and Astronomy (all), Earth's magnetic field, PAMELA, Astrophysics::Earth and Planetary Astrophysics, Physics::Atmospheric and Oceanic Physics
Abstract

This work devoted to the description of the method for splash albedo protons identification in the satellite-born experiment PAMELA. In contrast to the reentrant albedo particles, which enter into the main aperture of the instrument, the direct albedo particles enter from the opposite direction, so they pass a few detectors, including calorimeter, before being register by the magnetic spectrometer. The developed method take into account the influence of these detectors on the selection of events and measurements of their characteristics. To test this method the energy spectrum of reentrant albedo protons in various regions of the near-Earth space reconstructed; it is in a good agreement with the classical measurements in the main aperture. Therefore, this method can be useful to obtain a new physical data about fluxes of splash albedo protons in the PAMELA experiment, which, unlike the reentrant albedo, can be study even at high geomagnetic latitudes.

Published
2015
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63. CaloCube: A new-concept calorimeter for the detection of high-energy cosmic rays in space

Author

Anna Vedda, E. Vannuccini, P. Papini, G. Castellini, O. Adriani, Raffaello D'Alessandro, Lorenzo Bonechi, A. Basti, P. W. Cattaneo, A. Sulaj, O. Starodubtsev, Gianluigi Zampa, G. Orzan, P. Spillantini, A. Tricomi, Maria Miritello, Antoniangelo Agnesi, L. Auditore, S. Albergo, J. E. Suh, M. Olmi, Emilio Berti, Mauro Fasoli, Nicola Mori, B. Zerbo, M. Bongi, S. Bonechi, Paolo Maestro, M. Trimarchi, S. B. Ricciarini, P. Lenzi, Gabriele Bigongiari, P. S. Marrocchesi, Paolo Brogi, Federico Pirzio, N. Finetti, A. Rappoldi, N. Zampa, G. Carotenuto, A. Tiberio, S. Detti, V. Bonvicini, S. Bottai, A. Trifiro, F. Stolzi, L. Pacini, M. G. Pellegriti, Vannuccini, E, Adriani, O, Agnesi, A, Albergo, S, Auditore, L, Basti, A, Berti, E, Bigongiari, G, Bonechi, L, Bonechi, S, Bongi, M, Bonvicini, V, Bottai, S, Brogi, P, Carotenuto, G, Castellini, G, Cattaneo, P, D'Alessandro, R, Detti, S, Fasoli, M, Finetti, N, Lenzi, P, Maestro, P, Marrocchesi, P, Miritello, M, Mori, N, Orzan, G, Olmi, M, Pacini, L, Papini, P, Pellegriti, M, Pirzio, F, Rappoldi, A, Ricciarini, S, Spillantini, P, Starodubtsev, O, Stolzi, F, Suh, J, Sulaj, A, Tiberio, A, Tricomi, A, Trifiro, A, Trimarchi, M, Vedda, A, Zampa, G, Zampa, N, and Zerbo, B

Subjects
Scintillating crystal, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, FIS/07 - FISICA APPLICATA (A BENI CULTURALI, AMBIENTALI, BIOLOGIA E MEDICINA), Cosmic ray, Space (mathematics), 01 natural sciences, Scintillating crystals, 0103 physical sciences, Ultra-high-energy cosmic ray, Absorption (electromagnetic radiation), 010303 astronomy & astrophysics, Cosmic rays, Instrumentation, Nuclear and High Energy Physic, Physics, Calorimeter, Basis (linear algebra), 010308 nuclear & particles physics, Isotropy, Computational physics, FIS/01 - FISICA SPERIMENTALE, Granularity
Abstract

The direct observation of high-energy cosmic rays, up to the PeV region, will increasingly rely on highly performing calorimeters, and the physics performance will be primarily determined by their geometrical acceptance and energy resolution. Thus, it is extremely important to optimize their geometrical design, granularity, and absorption depth, with respect to the total mass of the apparatus, which is among the most important constraints for a space mission. Calocube is a homogeneous calorimeter whose basic geometry is cubic and isotropic, so as to detect particles arriving from every direction in space, thus maximizing the acceptance; granularity is obtained by filling the cubic volume with small cubic scintillating crystals. This design forms the basis of a three-year R & D activity which has been approved and financed by INFN. A comparative study of different scintillating materials has been performed. Optimal values for the size of the crystals and spacing among them have been studied. Different geometries, besides the cubic one, and the possibility to implement dual-readout techniques have been investigated. A prototype, instrumented with CsI(Tl) cubic crystals, has been constructed and tested with particle beams. An overview of the obtained results will be presented and the perspectives for future space experiments will be discussed.

Published
2017

64. Sharp increasing of positron to electron fluxes ratio below 2 GV measured by the PAMELA

Author

Alfonso Monaco, A. N. Kvashnin, M. Merge, V. V. Mikhailov, P. Carlson, A. G. Mayorov, G. I. Vasiliev, R. Sparvoli, N. De Simone, G. Zampa, Beatrice Panico, M. Simon, N. Zampa, Sergey Koldashov, G. A. Bazilevskaya, Yu. T. Yurkin, C. De Santis, Yu. I. Stozhkov, V. V. Malakhov, S. Yu. Krutkov, P. Picozza, Roberto Bellotti, Mark Pearce, S. B. Ricciarini, F. Palma, A. M. Galper, P. Papini, Giuseppe Osteria, E. Vannuccini, Matteo Martucci, S. A. Koldobsky, E. Mocchiutti, F. Cafagna, A. V. Karelin, Mirko Boezio, D. Campana, S. Bottai, Maria Teresa Ricci, S. A. Voronov, Marco Casolino, C. De Donato, Nicola Mori, E. A. Bogomolov, Riccardo Munini, M. Bongi, P. Spillantini, O. Adriani, W. Menn, V. Di Felice, V. Bonvicini, G. C. Barbarino, G. Castellini, L. Marcelli, A. Vacchi, A. Bruno, Alexey Leonov, Mikhailov, V. V., Adriani, O., Barbarino, G., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F. S., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Donato, C., De Santis, C., De Simone, N., Di Felice, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobsky, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A. A., Malakhov, V. V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Merge, M., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Papini, P., Palma, F., Panico, B., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasiliev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., and Zampa, N.

Subjects
Physics, Settore FIS/01, History, Antiparticle, PAMELA detector, Spectrometer, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Polar orbit, Cosmic ray, Astrophysics, Electron, Cosmology, Electrons, Magnetic polarity, Orbits, Positrons, Computer Science Applications, Education, law.invention, Physics and Astronomy (all), Positron, law, Physics::Space Physics, Satellite, Astrophysics::Earth and Planetary Astrophysics
Abstract

Magnetic spectrometer PAMELA was launched onboard a satellite Resurs-DK1 into low-Earth polar orbit with altitude 350-600 km to study cosmic ray antiparticle fluxes in a wide energy range from ~ 100 MeV to hundreds GeV. This paper presents the results of observations of temporal variations of the positron and electron fluxes in the 2006-2015. The ratio of the positron and electron fluxes below 2 GV shows sharp increasing since 2014 due to changing of the polarity of the solar magnetic field.

Published
2017

65. Modulation of electrons and positrons in 2006–2015 in the PAMELA experiment

Author

E. Mocchiutti, O. Adriani, W. Menn, A. G. Mayorov, A. N. Kvashnin, A. V. Karelin, R. Sparvoli, Mark Pearce, S. B. Ricciarini, Sergey Koldobskiy, P. Papini, G. Castellini, E. Vannuccini, Yu. T. Yurkin, G. C. Barbarino, V. V. Malakhov, Mirko Boezio, Marco Ricci, C. De Santis, N. Zampa, M. Bongi, Matteo Martucci, V. Di Felice, V. Bonvicini, S. Bottai, Roberto Bellotti, A. M. Galper, Andrea Vacchi, G. Zampa, Beatrice Panico, S. Y. Krutkov, A. A. Kvashnin, G. I. Vasilyev, Per Carlson, M. Simon, F. Cafagna, L. Marcelli, G. A. Bazilevskaya, G. Osteria, A. Bruno, Nicola Mori, P. Picozza, V. V. Mikhailov, Riccardo Munini, P. Spillantini, D. Campana, M. F. Runtso, S. A. Voronov, Marco Casolino, Sergey Koldashov, Alfonso Monaco, M. Merge, Yuri Stozhkov, Alexey Leonov, E. A. Bogomolov, Mikhailov, V. V., Adriani, O., Bazilevskaya, G. A., Barbarino, G. C., Bellotti, R., Bogomolov, E. A., Boezio, M., Bonvicini, V., Bongi, M., Bottai, S., Bruno, A., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Galper, A. M., De Santis, C., Di Felice, V., Zampa, G., Zampa, N., Casolino, M., Campana, D., Karelin, A. V., Carlson, P., Castellini, G., Cafagna, F., Kvashnin, A. A., Kvashnin, A. N., Koldashov, S. V., Koldobskiy, S. A., Krutkov, S. Y., Leonov, A. A., Mayorov, A. G., Malakhov, V. V., Martucci, M., Marcelli, L., Menn, W., Merge, M., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Panico, B., Papini, P., Picozza, P., Pearce, M., Ricci, M., Ricciarini, S. B., Runtso, M. F., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., and Yurkin, Y. T.

Subjects
Physics, Settore FIS/01, Antiparticle, PAMELA detector, Spectrometer, Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, Cosmic ray, Electron, Astrophysics, 01 natural sciences, law.invention, Physics and Astronomy (all), Positron, law, 0103 physical sciences, Physics::Space Physics, Coronal mass ejection, Interplanetary magnetic field, 010306 general physics, 010303 astronomy & astrophysics, Cosmic rays, Cosmology, Magnetic polarity, Orbits, Positrons, Solar energy Magnetic spectrometers, Solar activity, Solar magnetic fields, Temporal variation, Time interval, Wide energy range
Abstract

The PAMELA magnetic spectrometer was launched aboard the Resurs DK-1 satellite into a nearpolar circumterrestrial orbit with an altitude of 350–600 km to study fluxes of the particles and antiparticles of cosmic rays in the wide energy range of ~80 MeV to several hundred gigaelectronvolts. The results from observations of temporal variations in electron and positron fluxes in 2006–2015 are presented. The ratio of electron and positron fluxes measured in this time interval reveals a dependence on the rigidity of particles, the solar activity, and the polarity of the solar magnetic field.

Published
2017

66. CaloCube: An isotropic spaceborne calorimeter for high-energy cosmic rays. Optimization of the detector performance for protons and nuclei

Author

S. B. Ricciarini, F. Stolzi, P. Papini, E. Vannuccini, G. Zampa, J. E. Suh, Antonio Trifiro, M. Olmi, N. Finetti, Gabriele Bigongiari, S. Bonechi, A. Sulaj, Eugenio Berti, M. Bongi, A. Rappoldi, Alessia Tricomi, P. W. Cattaneo, P. Lenzi, L. Pacini, S. Detti, N. Zampa, M. G. Pellegriti, P. Spillantini, G. Carotenuto, A. Basti, V. Bonvicini, Lucrezia Auditore, A. Tiberio, Paolo Maestro, O. Adriani, Antonio Italiano, S. Bottai, P. S. Marrocchesi, Lorenzo Bonechi, G. Orzan, Paolo Brogi, N. Daddi, Sebastiano Albergo, A. Sciuto, G. Castellini, Nicola Mori, Raffaello D'Alessandro, O. Starodubtsev, and Marina Trimarchi

Subjects
Physics, Calorimeter, Calorimeter (particle physics), Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, business.industry, Astrophysics::High Energy Astrophysical Phenomena, Monte Carlo method, Isotropy, Detector, Cosmic rays, Scintillating crystals, Astronomy and Astrophysics, Cosmic ray, Calorimeter, Cosmic rays, Scintillating crystals, Astronomy and Astrophysics, Space (mathematics), 01 natural sciences, Optics, 0103 physical sciences, Ultra-high-energy cosmic ray, business, 010303 astronomy & astrophysics, Energy (signal processing)
Abstract

The direct detection of high-energy cosmic rays up to the PeV region is one of the major challenges for the next generation of space-borne cosmic-ray detectors. The physics performance will be primarily determined by their geometrical acceptance and energy resolution. CaloCube is a homogeneous calorimeter whose geometry allows an almost isotropic response, so as to detect particles arriving from every direction in space, thus maximizing the acceptance. A comparative study of different scintillating materials and mechanical structures has been performed by means of Monte Carlo simulation. The scintillation-Cherenkov dual read-out technique has been also considered and its benefit evaluated.

Published
2017

67. Solar modulation of galactic cosmic rays during 2006-2015 based on PAMELA and ARINA data

Author

Alfonso Monaco, S. Bottai, A. G. Mayorov, P. Picozza, M. Merge, Maria Teresa Ricci, Sergey Koldobskiy, G. C. Barbarino, P. Yu. Naumov, A. V. Karelin, P. Spillantini, Alexey Leonov, R. Sparvoli, Mark Pearce, S. B. Ricciarini, Nicola Mori, S. A. Voronov, M. Simon, P. Papini, E. Vannuccini, N. Zampa, G. A. Bazilevskaya, L. Marcelli, E. A. Bogomolov, G. Osteria, D. Campana, A. Vacchi, Laura Rossetto, V. V. Malakhov, Yu. T. Yurkin, A. Bruno, V. V. Mikhailov, O. Adriani, M. A. Mayorova, Marco Casolino, Roberto Bellotti, A. M. Galper, Matteo Martucci, W. Menn, G. I. Vasilyev, V. Di Felice, A. A. Kvashnin, Mirko Boezio, G. Castellini, G. Zampa, Beatrice Panico, Riccardo Munini, C. De Santis, S. A. Rodenko, F. Cafagna, M. Bongi, Per Carlson, V. Bonvicini, Y. Stozhkov, Sergey Aleksandrin, E. Mocchiutti, and S. V. Koldashov

Subjects
Settore FIS/01, Physics, History, Scintillation, PAMELA detector, Spectrometer, Cosmic rays, Cosmology, Magnetic polarity, Modulation, Solar energy, Spectrometers Galactic cosmic rays, Magnetic spectrometers, Solar activity, Solar magnetic fields, Solar modulation, Transient periods, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, Astrophysics, Computer Science Applications, Education, Magnetic field, law.invention, Physics and Astronomy (all), law, Physics::Space Physics, Nuclear Experiment
Abstract

Solar modulation of galactic protons with energies from 50 MeV up to dozens of GeV during July '06 - January '16 studied based on a data of the magnetic spectrometer PAMELA and scintillation spectrometer ARINA. This period is interesting because it covers the end of 23rd and current 24th cycles of solar activity, including the abnormally long transient period and change of the polarity of solar magnetic field. © Published under licence by IOP Publishing Ltd.

Published
2017

68. The PAMELA experiment: A decade of Cosmic Ray Physics in space

Author

P. Spillantini, Matteo Martucci, Yu. T. Yurkin, Nicola Mori, M. Bongi, Riccardo Munini, S. Y. Krutkov, Per Carlson, G. Zampa, A. V. Karelin, Beatrice Panico, A. N. Kvashnin, R. Sparvoli, C. De Santis, C. De Donato, V. V. Malakhov, O. Adriani, P. Picozza, W. Menn, A. G. Mayorov, S. A. Voronov, M. Merge, G. A. Bazilevskaya, Sergey Koldobskiy, G. C. Barbarino, M. Simon, G. Osteria, G. I. Vasilyev, V. Di Felice, V. Bonvicini, S. Bottai, A. Bruno, Y. I. Stozhkov, N. Zampa, Maria Teresa Ricci, F. Cafagna, E. A. Bogomolov, Roberto Bellotti, E. Mocchiutti, V. V. Mikhailov, A. M. Galper, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, L. Marcelli, A. Vacchi, F. Palma, Mirko Boezio, Alexey Leonov, G. Castellini, Sergey Koldashov, D. Campana, Marco Casolino, Galper, A. M., Sparvoli, R., Adriani, O., Barbarino, G., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Donato, C., De Santis, C., Di Felice, V., Karelin, A. V., Koldashov, S. V., Koldobskiy, S. A., Krutkov, S. Y., Kvashnin, A. N., Leonov, A. A., Malakhov, V. V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Merge, M., Mikhailov, V. V., Mocchiutti, E., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., and Zampa, N.

Subjects
Physics, Settore FIS/01, History, COSMIC cancer database, 010504 meteorology & atmospheric sciences, PAMELA detector, Astronomy, Cosmic ray, Astrophysics, Space (mathematics), Carbon, Cosmology, Earth (planet), High energy physics, Positrons, Radiation belts, Solar energy Continuous data, Elemental compositions, Heliospheres, Measurements of, Quark matter, Radiation environments, Solar activity, Solar modulation, 01 natural sciences, Computer Science Applications, Education, law.invention, On board, Physics and Astronomy (all), law, 0103 physical sciences, Satellite, 010306 general physics, 0105 earth and related environmental sciences
Abstract

The PAMELA detector was launched on June 15 th of 2006 on board the Russian Resurs-DK1 satellite and during ten years of continuous data-taking it has observed very interesting features in cosmic rays, especially in the fluxes of protons, helium and electrons. Moreover, PAMELA measurements of cosmic antiproton and positron fluxes and positron-to-all-electron ratio have set strong constraints to the nature of Dark Matter. Measurements of boron, carbon, lithium and beryllium (together with the isotopic fraction) have also shed new light on the elemental composition of the cosmic radiation. Search for signatures of more exotic processes (such as the ones involving Strange Quark Matter) has also been pursued. Furthermore, over the years the instrument has allowed a constant monitoring of the solar activity and a prolonged study of the solar modulation, improving the comprehension of the heliosphere mechanisms. PAMELA has also measured the radiation environment around the Earth, and detected for the first time the presence of an antiproton radiation belt surrounding our planet. In this highlight paper PAMELA main results will be reviewed.

Published
2017

69. CaloCube: a novel calorimeter for high-energy cosmic rays in space

Author

N. Finetti, F. Stolzi, Gigi Cappello, P. W. Cattaneo, Lucrezia Auditore, S. Bottai, M. G. Pellegriti, A. Basti, A. Rappoldi, L. Pacini, A Vedda, J. E. Suh, S. Albergo, P. S. Marrocchesi, M. Olmi, P. Spillantini, M Fasoli, Maria Miritello, N. Zampa, Gabriele Bigongiari, S. Bonechi, Eugenio Berti, G. Zampa, Raffaello D'Alessandro, Paolo Brogi, P. Lenzi, Antonio Trifiro, G. Carotenuto, Bonvicini, S. Detti, A. Tiberio, Lorenzo Bonechi, Alessia Tricomi, A Agnesi, A. Sulaj, G. Castellini, S. B. Ricciarini, P. Papini, E. Vannuccini, O. Starodubtsev, M. Bongi, O. Adriani, A Italiano, F Pirzio, M. Trimarchi, Nicola Mori, G. Orzan, Paolo Maestro, Rappoldi, A, Morselli, A, Cattaneo, P, Adriani, O, Agnesi, A, Albergo, S, Auditore, L, Basti, A, Berti, E, Bigongiari, G, Bonechi, L, Bonechi, S, Bongi, M, Bonvicini, V, Bottai, S, Brogi, P, Cappello, G, Carotenuto, G, Castellini, G, D'Alessandro, R, Detti, S, Fasoli, M, Finetti, N, Italiano, A, Lenzi, P, Maestro, P, Marrocchesi, P, Miritello, M, Mori, N, Olmi, M, Orzan, G, Pacini, L, Papini, P, Pellegriti, M, Pirzio, F, Ricciarini, S, Spillantini, P, Starodubtsev, O, Stolzi, F, Suh, J, Sulaj, A, Tiberio, A, Tricomi, A, Trifirò, A, Trimarchi, M, Vannuccini, E, Vedda, A, Zampa, G, and Zampa, N

Subjects
Physics, Calorimeter (particle physics), 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, QC1-999, Astrophysics, Space (mathematics), 7. Clean energy, 01 natural sciences, Nuclear physics, Physics and Astronomy (all), 0103 physical sciences, Ultra-high-energy cosmic ray, Detectors and Experimental Techniques, 010306 general physics
Abstract

CaloCube is an R&D project borne to develop a novel calorimeter design, optimized for high-energy cosmic ray measurements in space. A small prototype made of CsI(Tl) elements has been built and tested on particle beams. A final version, made of 5×5×18 crystals and with dual readout (two photodiodes for each crystal), to cover the full required dynamic range, is under construction and will be tested at CERN SPS in Summer 2016. The dual readout compensation technique were developed and the feasibility to extract ÄŒ erenkov signals from CsI crystals verified.

Published
2017

70. CaloCube: an innovative homogeneous calorimeter for the next-generation space experiments

Author

L. Pacini, N. Finetti, N. Daddi, Raffaello D'Alessandro, F. Stolzi, Anna Vedda, Antonio Agnesi, J. E. Suh, A. Sulaj, M. Olmi, Paolo Maestro, Sebastiano Albergo, Gigi Cappello, A. Basti, S. Bonechi, P. W. Cattaneo, O. Adriani, Emanuele Berti, G. Orzan, P. Lenzi, M. G. Pellegriti, Lucrezia Auditore, P. Spillantini, Maria Miritello, G. Zampa, S. Detti, M. Chiari, Lorenzo Bonechi, M. Bongi, Antonio Trifiro, P. S. Marrocchesi, Gabriele Bigongiari, Alessia Tricomi, Paolo Brogi, S. B. Ricciarini, Federico Pirzio, P. Papini, E. Vannuccini, G. Castellini, O. Starodubtsev, G. Carotenuto, M. Trimarchi, V. Bonvicini, A. Tiberio, Nicola Mori, N. Zampa, S. Bottai, A. Rappoldi, Mauro Fasoli, Pacini, L, Adriani, O, Agnesi, A, Albergo, S, Auditore, L, Basti, A, Berti, E, Bigongiari, G, Bonechi, L, Bonechi, S, Bongi, M, Bonvicini, V, Bottai, S, Brogi, P, Cappello, G, Carotenuto, G, Castellini, G, Cattaneo, P, Chiari, M, Daddi, N, Dalessandro, R, Detti, S, Fasoli, M, Finetti, N, Lenzi, P, Maestro, P, Marrocchesi, P, Miritello, M, Mori, N, Orzan, G, Olmi, M, Papini, P, Pellegriti, M, Pirzio, F, Rappoldi, A, Ricciarini, S, Spillantini, P, Starodubtsev, O, Stolzi, F, Suh, J, Sulaj, A, Tiberio, A, Tricomi, A, Trifiro, A, Trimarchi, M, Vannuccini, E, Vedda, A, Zampa, G, and Zampa, N

Subjects
Physics, History, business.industry, Physics::Instrumentation and Detectors, Isotropy, Monte Carlo method, Detector, Space launch, Computer Science Applications, Education, Calorimeter, Physics and Astronomy (all), Quality (physics), FIS/01 - FISICA SPERIMENTALE, Particle, Aerospace engineering, Detectors and Experimental Techniques, business, Energy (signal processing)
Abstract

The direct measurement of the cosmic-ray spectrum, up to the knee region, is one of the instrumental challenges for next generation space experiments. The main issue for these measurements is a steeply falling spectrum with increasing energy, so the physics performance of the space calorimeters are primarily determined by their geometrical acceptance and energy resolution. CaloCube is a three-year R&D; project, approved and financed by INFN in 2014, aiming to optimize the design of a space-born calorimeter. The peculiarity of the design of CaloCube is its capability of detecting particles coming from any direction, and not only those on its upper surface. To ensure that the quality of the measurement does not depend on the arrival direction of the particles, the calorimeter will be designed as homogeneous and isotropic as possible. In addition, to achieve a high discrimination power for hadrons and nuclei with respect to electrons, the sensitive elements of the calorimeter need to have a fine 3-D sampling capability. In order to optimize the detector performances with respect to the total mass of the apparatus, which is the most important constraint for a space launch, a comparative study of different scintillating materials has been performed using detailed Monte Carlo simulation based on the FLUKA package. In parallel to simulation studies, a prototype consisting in 14 layers of 3 x 3 CsI(Tl) crystals per layer has been assembled and tested with particle beams. An overview of the obtained results during the first two years of the project will be presented and the future of the detector will be discussed too.

Published
2017

71. Geomagnetically trapped, albedo and solar energetic particles: Trajectory analysis and flux reconstruction with PAMELA

Author

G. Zampa, Beatrice Panico, Roberto Bellotti, A. M. Galper, Matteo Martucci, G. A. de Nolfo, Alfonso Monaco, A. G. Mayorov, Alexey Leonov, M. Merge, Valentina Scotti, N. Zampa, G. A. Bazilevskaya, V. Bonvicini, Y. I. Stozhkov, E. Mocchiutti, Ritabrata Sarkar, S. Bottai, Sergey Koldashov, R. Sparvoli, Sergey Koldobskiy, A. V. Karelin, Marco Ricci, V. V. Malakhov, G. C. Barbarino, G. Osteria, G. I. Vasilyev, G. Castellini, S. Y. Krutkov, James M. Ryan, V. Di Felice, C. De Santis, C. De Donato, Mirko Boezio, P. Picozza, Nicola Mori, F. Palma, M. Simon, V. V. Mikhailov, Riccardo Munini, F. Cafagna, E. C. Christian, O. Adriani, A. N. Kvashnin, W. Menn, Yu. T. Yurkin, L. Marcelli, M. Bongi, A. Vacchi, A. Bruno, Mark Pearce, S. B. Ricciarini, Steven Stochaj, P. Papini, E. Vannuccini, S. A. Voronov, E. A. Bogomolov, Per Carlson, N. De Simone, P. Spillantini, D. Campana, Marco Casolino, Bruno, A., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., Christian, E. C., De Donato, C., de Nolfo, G. A., De Santis, C., De Simone, N., Di Felice, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Mergè, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Ryan, J. M., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stochaj, S., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., and Zampa, N.

Subjects
Atmospheric Science, Solar energetic particles, 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, Aerospace Engineering, FOS: Physical sciences, Space weather, 01 natural sciences, law.invention, Physics::Geophysics, symbols.namesake, Physics - Space Physics, law, 0103 physical sciences, Albedo particles, Cosmic-rays, 010303 astronomy & astrophysics, Ring current, 0105 earth and related environmental sciences, Physics, Geomagnetic storm, Settore FIS/01, PAMELA detector, Astronomy, Geomagnetic cutoff, Radiation belts, Space and Planetary Science, Astronomy and Astrophysics, Space Physics (physics.space-ph), Geophysics, Earth's magnetic field, Van Allen radiation belt, Health threat from cosmic rays, Physics::Space Physics, symbols, General Earth and Planetary Sciences, Astrophysics::Earth and Planetary Astrophysics
Abstract

The PAMELA satellite experiment is providing comprehensive observations of the interplanetary and magnetospheric radiation in the near-Earth environment. Thanks to its identification capabilities and the semi-polar orbit, PAMELA is able to precisely measure the energetic spectra and the angular distributions of the different cosmic-ray populations over a wide latitude region, including geomagnetically trapped and albedo particles. Its observations comprise the solar energetic particle events between solar cycles 23 and 24, and the geomagnetic cutoff variations during magnetospheric storms. PAMELA's measurements are supported by an accurate analysis of particle trajectories in the Earth's magnetosphere based on a realistic geomagnetic field modeling, which allows the classification of particle populations of different origin and the investigation of the asymptotic directions of arrival., Comment: Accepted for publication in Advances in Space Research, 2016. 21 pages, 7 figures

Published
2017

72. Status and performance of the CALorimetric Electron Telescope (CALET) on the International Space Station

Author

Toshio Terasawa, P. Spillantini, S. Miyake, Ryuho Kataoka, S. B. Ricciarini, G. Castellini, T. G. Guzik, J. H. Buckley, Shohei Yanagita, K. Hibino, Paolo Maestro, Satoshi Nakahira, N. Tateyama, Jun Kataoka, John Mitchell, H. Fuke, S. Okuno, P. Papini, Jun Nishimura, A. Shiomi, Shuichi Kuramata, E. Vannuccini, K. Ebisawa, Teimuraz Lomtadze, L. Marcelli, H. Murakami, Shoji Torii, John F. Krizmanic, H. Tomida, Kazuoki Munakata, Taro Kotani, V. Di Felice, Brian Rauch, O. Adriani, A. A. Moiseev, Michael Cherry, Kunihito Ioka, K. Mizutani, Masato Takita, M. H. Israel, Holger Motz, T. Yuda, Masaki Mori, T. Sakamoto, Nicola Mori, Antonio Cassese, Y. Shimizu, M. Ichimura, Eiji Kamioka, Katsuaki Asano, Hisashi Kitamura, M. Bongi, I. Takahashi, M. Sasaki, Maria Grazia Bagliesi, Kenji Yoshida, S. Ozawa, Norita Kawanaka, Gabriele Bigongiari, Yosui Akaike, Y. Tunesada, A. Yoshida, F. Palma, P. S. Marrocchesi, T. Tamura, Shinji Ueno, M. Shibata, G. Collazuol, Makoto Hareyama, A. Javaid, K. Kasahara, N. Hasebe, Henric Krawczynski, K. Mori, J. F. Ormes, Y. Katayose, J. P. Wefel, Aya Kubota, Roberta Sparvoli, Yoichi Asaoka, Y. E. Nakagawa, W. R. Binns, Masahiro Takayanagi, Kazutaka Yamaoka, T. Hams, and Y. Uchihori

Subjects
Physics, Calorimeter, Nuclear and High Energy Physics, Calorimeter (particle physics), ISS, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Astrophysics::Instrumentation and Methods for Astrophysics, Gamma ray, Electrons, Scintillator, Atomic and Molecular Physics, and Optics, Charged particle, Radiation length, law.invention, Telescope, Nuclear physics, law, Nearby sources, International Space Station, electrons, calorimeter, nearby sources, dark matter
Abstract

The CALorimetric Electron Telescope (CALET) space experiment, currently under development by Japan in collaboration with Italy and the United States, will measure the flux of cosmic-ray electrons (including positrons) to 20 TeV, gamma rays to 10 TeV and nuclei with Z=1 to 40 up to 1,000 TeV during a two-year mission on the International Space Station (ISS), extendable to five years. These measurements are essential to search for dark matter signatures, investigate the mechanism of cosmic-ray acceleration and propagation in the Galaxy and discover possible astrophysical sources of high-energy electrons nearby the Earth. The instrument consists of two layers of segmented plastic scintillators for the cosmic-ray charge identification (CHD), a 3 radiation length thick tungsten-scintillating fiber imaging calorimeter (IMC) and a 27 radiation length thick lead-tungstate calorimeter (TASC). CALET has sufficient depth, imaging capabilities and excellent energy resolution to allow for a clear separation between hadrons and electrons and between charged particles and gamma rays. The instrument will be launched to the ISS within 2014 Japanese Fiscal Year (by the end of March 2015) and installed on the Japanese Experiment Module-Exposed Facility (JEM-EF). In this paper, we will review the status and main science goals of the mission and describe the instrument configuration and performance.

Published
2014

73. Recent results from the LHCf and RHICf experiments

Author

W. C. Turner, Kenta Sato, Kimiaki Masuda, Kiyoshi Tanida, Hiroaki Menjo, Lorenzo Bonechi, Shoji Torii, I. Nakagawa, O. Adriani, Q. D. Zhou, M. H. Kim, R. Seidl, N. Sakurai, M. Bongi, Raffaello D'Alessandro, A. Tiberio, Byung-Sik Hong, M. Ueno, K. Kasahara, Toshiharu Suzuki, Y. Goto, M. Haguenauer, J. S. Park, Alessia Tricomi, T. Tamura, Yasushi Muraki, Ken Ohashi, Eugenio Berti, Yoshitaka Itow, Takashi Sako, S. B. Ricciarini, P. Papini, École polytechnique (X), LHCf, and RHICf

Subjects
Astrophysics and Astronomy, heavy ion: scattering, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Cosmic ray, 01 natural sciences, 7. Clean energy, talk: Nagoya 2018/05/21, Nuclear physics, 0103 physical sciences, calorimeter, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Rapidity, Nuclear Experiment, 010306 general physics, neutral particle: particle identification, Brookhaven RHIC Coll, Physics, Large Hadron Collider, showers: atmosphere, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, LHC-F, Calorimeter, rapidity, forward production, CERN LHC Coll, Air shower, cosmic radiation, High Energy Physics::Experiment, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Relativistic Heavy Ion Collider, performance, Particle Physics - Experiment, experimental results
Abstract

The Large Hadron Collider forward and the Relativistic Heavy Ion Collider forward experiments measured forward particles produced in high-energy hadron collisions at the LHC and RHIC. Using compact calorimeters neutral particles produced in pseudorapidities η >8.4 and η >6.0 are observed by the respective experiments. Because the collision energies ranging from 0.51 TeV to 13 TeV correspond to the cosmic-ray equivalent energies of 1014 to 1017 eV, the measurements are important to understand the hadronic interaction relevant to extensive air shower measurements. This paper reviews recent results of LHCf and initial performance of RHICf that took data in the 2017 RHIC operation.

Published
2019

74. Time dependence of the helium flux measured by PAMELA

Author

Roberto Bellotti, A. M. Galper, Nicola Mori, P. Spillantini, M. Bongi, C. De Santis, Alfonso Monaco, M. S. Potgieter, S. A. Voronov, Sergey Koldobskiy, M. Merge, E. A. Bogomolov, Per Carlson, G. C. Barbarino, S. Y. Krutkov, S. Bottai, E. Mocchiutti, V. Bonvicini, Y. I. Stozhkov, Riccardo Munini, A. V. Karelin, G. I. Vasilyev, P. Picozza, V. V. Malakhov, Mark Pearce, S. B. Ricciarini, O. Adriani, M. Simon, S. V. Koldashov, G. Osteria, W. Menn, P. Papini, N. Marcelli, E. Vannuccini, Marco Ricci, Andrea Vacchi, Yu. T. Yurkin, N. Zampa, G. A. Bazilevskaya, L. Marcelli, A. Bruno, V. Di Felice, R. Sparvoli, F. Cafagna, A. N. Kvashnin, V. V. Mikhailov, G. Zampa, Beatrice Panico, Alexey Leonov, Driaan Bisschoff, G. Castellini, O. P. M. Aslam, A. G. Mayorov, Mirko Boezio, D. Campana, Matteo Martucci, Marco Casolino, De Vincenzi, M., Marcelli, N., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Santis, C., Di Felice, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Mergè, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., Potgieter, M. S., Aslam, O. P. M., and Bisschoff, D.

Subjects
Physics, Range (particle radiation), QC1-999, Computer Science::Information Retrieval, Astrophysics::High Energy Astrophysical Phenomena, chemistry.chemical_element, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Galaxy, Nuclear physics, Space experiment, Flux (metallurgy), chemistry, Modulation, 0103 physical sciences, 010306 general physics, 010303 astronomy & astrophysics, Helium
Abstract

Precision measurements of the Z = 2 component in cosmic radiation provide crucial information about the origin and propagation of the second most abundant cosmic ray species in the Galaxy (9% of the total). These measurements, acquired with the PAMELA space experiment orbiting Earth, allow to study solar modulation in details. Helium modulation is compared to the modulation of protons to study possible dependencies on charge and mass. The time dependence of helium fluxes on a monthly basis measured by PAMELA has been studied for the period between July 2006 to January 2016 in the energy range from 800 MeV/n to ~ 20 GeV/n.

Published
2019

75. The PAMELA experiment and cosmic ray observations

Author

G. Castellini, P. Spillantini, Mirko Boezio, Alexey Leonov, Roberto Bellotti, A. M. Galper, Ritabrata Sarkar, N. Zampa, G. A. Bazilevskaya, G. Zampa, Beatrice Panico, A. N. Kvashnin, Matteo Martucci, S. Y. Krutkov, S. Bottai, F. Palma, Yu. T. Yurkin, M. Simon, Valerio Formato, M. Bongi, V. Di Felice, A. G. Mayorov, Roberta Sparvoli, P. Picozza, V. V. Malakhov, Valentina Scotti, A. V. Karelin, R. Carbone, Sergey Koldobskiy, Alfonso Monaco, G. C. Barbarino, I. A. Danilchenko, Marco Ricci, V. G. Zverev, M. Merge, O. Adriani, G. I. Vasilyev, W. Menn, E. Mocchiutti, V. V. Mikhailov, V. Bonvicini, Y. I. Stozhkov, F. Cafagna, G. Osteria, Mark Pearce, S. B. Ricciarini, Nicola Mori, C. De Santis, P. Papini, E. Vannuccini, C. De Donato, Riccardo Munini, L. Marcelli, A. Vacchi, A. Bruno, D. Campana, Marco Casolino, Sergey Koldashov, Per Carlson, N. De Simone, S. A. Voronov, E. A. Bogomolov, N., Mori, O., Adriani, G. C., Barbarino, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, F., Cafagna, D., Campana, R., Carbone, P., Carlson, M., Casolino, G., Castellini, I. A., Danilchenko, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, V., Formato, A. M., Galper, A. V., Karelin, S. V., Koldashov, S. A., Koldobskiy, S. Y., Krutkov, A. N., Kvashnin, A. A., Leonov, V. V., Malakhov, L., Marcelli, M., Martucci, A. G., Mayorov, W., Menn, M., Mergè, V. V., Mikhailov, E., Mocchiutti, A., Monaco, Munini, Riccardo, G., Osteria, F., Palma, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, M. L., Rosetto, R., Sarkar, V. M., Simon, Sparvoli, Y. I., Stozhkov, P., Vacchi, E., Vannuccini, G. I., Vasil’Ev, S. A., Voronov, Y. T., Yurkin, G., Zampa, N., Zampa, V. G., Zverev, Mori, N., Adriani, O., Barbarino, Giancarlo, Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carbone, R., Carlson, P., Casolino, M., Castellini, G., Danilchenko, I. A., De Donato, C., De Santis, C., De Simone, N., Di Felice, V., Formato, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Mergé, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., and Zverev, V. G.

Subjects
Physics, Space experiments, Range (particle radiation), Nuclear and High Energy Physics, PAMELA detector, Physics::Instrumentation and Detectors, Cosmic rays, Settore FIS/04, Astrophysics::High Energy Astrophysical Phenomena, Astronomy, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, law.invention, Space experiment, law, Physics::Space Physics, High Energy Physics::Experiment, Ultra-high-energy cosmic ray, space experiments
Abstract

The \PAMELA\ space experiment is aimed at precise measurements of the charged light component of the cosmic ray spectrum in the energy range spanning from the sub-GeV region to the TeV region, with a particular focus on antimatter. The instrument consists of a magnetic spectrometer, an electromagnetic sampling calorimeter,a time-of-flight system, an anticoincidence shield, a tail-catcher scintillator and a neutron detector. Launched in June 2006 and hosted on the Resurs-DK1 satellite, \PAMELA\ has been taking data for more than eight years, providing scientific results with unprecedented statistics and a continuous monitoring of the sun activity and the heliosphere.

Published
2015

76. New Upper Limit on Strange Quark Matter Abundance in Cosmic Rays with the PAMELA Space Experiment

Author

S. Y. Krutkov, Yu. T. Yurkin, V. V. Malakhov, Alexey Leonov, S. Bottai, A. G. Mayorov, V. Formato, Ritabrata Sarkar, Mark Pearce, S. B. Ricciarini, S. A. Voronov, P. Picozza, P. Papini, Valentina Scotti, E. Vannuccini, Matteo Martucci, Roberto Bellotti, G. I. Vasilyev, A. M. Galper, E. A. Bogomolov, P. Spillantini, L. Marcelli, A. Vacchi, Per Carlson, A. N. Kvashnin, C. De Donato, Mirko Boezio, M. Simon, O. Adriani, C. De Santis, A. Bruno, Sergey Koldobskiy, G. C. Barbarino, G. Castellini, Roberta Sparvoli, W. Menn, N. De Simone, Riccardo Munini, A. V. Karelin, M. Bongi, E. Mocchiutti, V. V. Mikhailov, F. Palma, G. Osteria, V. Bonvicini, Nicola Mori, Marco Ricci, Y. I. Stozhkov, N. Zampa, G. A. Bazilevskaya, G. Zampa, Beatrice Panico, V. Di Felice, F. Cafagna, Alfonso Monaco, M. Merge, D. Campana, Marco Casolino, Sergey Koldashov, O., Adriani, G. C., Barbarino, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, F., Cafagna, D., Campana, P., Carlson, M., Casolino, G., Castellini, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, V., Formato, A. M., Galper, A. V., Karelin, S. V., Koldashov, S. A., Koldobskiy, S. Y., Krutkov, A. N., Kvashnin, A. A., Leonov, V., Malakhov, L., Marcelli, M., Martucci, A. G., Mayorov, W., Menn, M., Mergè, V. V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Munini, Riccardo, G., Osteria, F., Palma, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, R., Sarkar, V., Scotti, V. M., Simon, Sparvoli, P., Spillantini, Y. I., Stozhkov, P., Vacchi, E., Vannuccini, G. I., Vasilyev, S. A., Voronov, Y. T., Yurkin, G., Zampa, N., Zampa, Adriani, O, Barbarino, Giancarlo, Bazilevskaya, G. A, Bellotti, R, Boezio, M, Bogomolov, E. A, Bongi, M, Bonvicini, V, Bottai, S, Bruno, A, Cafagna, F, Campana, D, Carlson, P, Casolino, M, Castellini, G, De Donato, C, De Santis, C, De Simone, N, Di Felice, V, Formato, V, Galper, A. M, Karelin, A. V, Koldashov, S. V, Koldobskiy, S, Krutkov, S. Y, Kvashnin, A. N, Leonov, A, Malakhov, V, Marcelli, L, Martucci, M, Mayorov, A. G, Menn, W, Mergè, M, Mikhailov, V. V, Mocchiutti, E, Monaco, A, Mori, N, Munini, R, Osteria, G, Palma, F, Panico, B, Papini, P, Pearce, M, Picozza, P, Ricci, M, Ricciarini, S. B, Sarkar, R, Scotti, V, Simon, M, Sparvoli, R, Spillantini, P, Stozhkov, Y. I, Vacchi, A, Vannuccini, E, Vasilyev, G, Voronov, S. A, Yurkin, Y. T, Zampa, G, and Zampa, N.

Subjects
Physics, Quark matter, Space experiments, Cosmic rays, Spectrometers, Strange quark, PAMELA, Cosmic rays, Strange matter, PAMELA detector, Strangelet, Astrophysics::High Energy Astrophysical Phenomena, Settore FIS/01 - Fisica Sperimentale, General Physics and Astronomy, Cosmic ray, Astrophysics, law.invention, Physics and Astronomy (all), Strange matter, Rigidity (electromagnetism), Quark star, law, PAMELA, State of matter
Abstract

In this work we present results of a direct search for strange quark matter (SQM) in cosmic rays with the PAMELA space spectrometer. If this state of matter exists it may be present in cosmic rays as particles, called strangelets, having a high density and an anomalously high mass-to-charge (A/Z) ratio. A direct search in space is complementary to those from ground-based spectrometers. Furthermore, it has the advantage of being potentially capable of directly identifying these particles, without any assumption on their interaction model with Earth's atmosphere and the long-term stability in terrestrial and lunar rocks. In the rigidity range from 1.0 to ∼1.0×10^{3} GV, no such particles were found in the data collected by PAMELA between 2006 and 2009. An upper limit on the strangelet flux in cosmic rays was therefore set for particles with charge 1≤Z≤8 and mass 4≤A≤1.2×10^{5}. This limit as a function of mass and as a function of magnetic rigidity allows us to constrain models of SQM production and propagation in the Galaxy.

Published
2015

77. Time Dependence of the e− Flux Measured by PAMELA during the July 2006–December 2009 Solar Minimum

Author

O. Adriani, G. C. Barbarino, G. A. Bazilevskaya, R. Bellotti, M. Boezio, E. A. Bogomolov, M. Bongi, V. Bonvicini, S. Bottai, A. Bruno, F. Cafagna, D. Campana, P. Carlson, M. Casolino, G. Castellini, C. De Donato, C. De Santis, N. De Simone, V. Di Felice, V. Formato, A. M. Galper, A. V. Karelin, S. V. Koldashov, S. Koldobskiy, S. Y. Krutkov, A. N. Kvashnin, A. Leonov, V. Malakhov, L. Marcelli, M. Martucci, A. G. Mayorov, W. Menn, M. Mergè, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, G. Osteria, F. Palma, B. Panico, P. Papini, M. Pearce, P. Picozza, M. Ricci, S. B. Ricciarini, R. Sarkar, V. Scotti, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. Vasilyev, S. A. Voronov, Y. T. Yurkin, G. Zampa, N. Zampa, M. S. Potgieter, E. E. Vos, MUNINI, RICCARDO, O., Adriani, G. C., Barbarino, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, F., Cafagna, D., Campana, P., Carlson, M., Casolino, G., Castellini, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, V., Formato, A. M., Galper, A. V., Karelin, S. V., Koldashov, S., Koldobskiy, S. Y., Krutkov, A. N., Kvashnin, A., Leonov, V., Malakhov, L., Marcelli, M., Martucci, A. G., Mayorov, W., Menn, M., Mergè, V. V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Munini, Riccardo, G., Osteria, F., Palma, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, R., Sarkar, V., Scotti, M., Simon, R., Sparvoli, P., Spillantini, Y. I., Stozhkov, A., Vacchi, E., Vannuccini, G., Vasilyev, S. A., Voronov, Y. T., Yurkin, G., Zampa, N., Zampa, M. S., Potgieter, and E. E., Vos

Subjects
Solar modulation, Solar modulation, Cosmic Rays, Electrons, PAMELA, Solar minimum, PAMELA, Solar minimum, Electrons, Cosmic Rays
Abstract

Precision measurements of the electron component of cosmic radiation provide important information about the origin and propagation of cosmic rays in the Galaxy not accessible from the study of cosmic-ray nuclear components due to their differing diffusion and energy-loss processes. However, when measured near Earth, the effects of propagation and modulation of Galactic cosmic rays in the heliosphere, particularly significant for energies up to at least 30 GeV, must be properly taken into account. In this paper the electron ( e − ) spectra measured by the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics down to 70 MeV from 2006 July to 2009 December over six-month time intervals are presented. Fluxes are compared with a state-of-the-art three-dimensional model of solar modulation that reproduces the observations remarkably well.

Published
2015

78. PAMELA measurements of the boron and carbon spectra

Author

Alexey Leonov, A. G. Mayorov, Ritabrata Sarkar, G. Zampa, Beatrice Panico, S. Y. Krutkov, Yu. T. Yurkin, A. V. Karelin, C. De Santis, N. Zampa, G. A. Bazilevskaya, P. Picozza, P. Spillantini, Valerio Formato, C. De Donato, G. Osteria, Riccardo Munini, D. Campana, R. Carbone, O. Adriani, Alfonso Monaco, Sergey Koldobskiy, V. Di Felice, G. C. Barbarino, W. Menn, V. Bonvicini, V. V. Malakhov, Marco Casolino, Roberto Bellotti, Valentina Scotti, G. Castellini, A. M. Galper, L. Marcelli, Y. I. Stozhkov, A. Vacchi, S. Bottai, A. Bruno, M. Merge, N. De Simone, M. Bongi, A. N. Kvashnin, Mark Pearce, S. B. Ricciarini, Sergey Koldashov, Nicola Mori, P. Papini, Matteo Martucci, E. Vannuccini, Mirko Boezio, S. A. Voronov, G. I. Vasilyev, Per Carlson, E. A. Bogomolov, F. Palma, V. V. Mikhailov, Maria Teresa Ricci, F. Cafagna, M. Simon, Roberta Sparvoli, E. Mocchiutti, N., Mori, O., Adriani, G. C., Barbarino, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, F., Cafagna, D., Campana, R., Carbone, P., Carlson, M., Casolino, G., Castellini, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, V., Formato, A. M., Galper, A. V., Karelin, S. V., Koldashov, S., Koldobskiy, S. Y., Krutkov, A. N., Kvashnin, A., Leonov, V., Malakhov, L., Marcelli, M., Martucci, A. G., Mayorov, W., Menn, M., Mergé, V. V., Mikhailov, E., Mocchiutti, A., Monaco, Munini, Riccardo, G., Osteria, F., Palma, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, R., Sarkar, V., Scotti, M., Simon, R., Sparvoli, P., Spillantini, Y. I., Stozhkov, A., Vacchi, E., Vannuccini, G. I., Vasilyev, S. A., Voronov, Y. T., Yurkin, G., Zampa, N., Zampa, Mori, N, Adriani, O, Barbarino, Giancarlo, Bazilevskaya, G. A, Bellotti, R, Boezio, M, Bogomolov, E. A, Bongi, M, Bonvicini, V, Bottai, S, Bruno, A, Cafagna, F, Campana, D, Carbone, R, Carlson, P, Casolino, M, Castellini, G, De Donato, C, De Santis, C, De Simone, N, Felice, V. Di, Formato, V, Galper, A. M, Karelin, A. V, Koldashov, S. V, Koldobskiy, S, Krutkov, S. Y, Kvashnin, A. N, Leonov, A, Malakhov, V, Marcelli, L, Martucci, M, Mayorov, A. G, Menn, W, Mergé, M, Mikhailov, V. V, Mocchiutti, E, Monaco, A, Munini, R, Osteria, G, Palma, F, Panico, B, Papini, P, Pearce, M, Picozza, P, Ricci, M, Ricciarini, S. B, Sarkar, R, Scotti, V, Simon, M, Sparvoli, R, Spillantini, P, Stozhkov, Y. I, Vacchi, A, Vannuccini, E, Vasilyev, G. I, Voronov, S. A, Yurkin, Y. T, Zampa, G, and Zampa, N.

Subjects
History, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, chemistry.chemical_element, Cosmic ray, Spectral line, Education, law.invention, Nuclear physics, Physics and Astronomy (all), cosmic rays, law, PAMELA, Boron, Cosmic ray measurement, Cosmology, High energy physics Anticoincidence systems, Boron and carbons, Cosmic ray spectra, Data analysis techniques, Electromagnetic calorimeter, Injection spectra, Magnetic spectrometers, Time of flight systems, Neutron detection, Physics, carbon boron, Spectrometer, PAMELA detector, Settore FIS/04, PAMELA, cosmic rays, carbon boron, fluxes, fluxes, Computer Science Applications, chemistry, Antimatter, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Carbon
Abstract

The satellite-borne PAMELA experiment is aimed at precision measurements of the charged light component of the cosmic-ray spectrum, with a particular focus on antimatter. It consists of a magnetic spectrometer, a time-of-flight system, an electromagnetic calorimeter with a tail catcher scintillating layer, an anticoincidence system and a neutron detector. PAMELA has measured the absolute fluxes of boron and carbon and the B/C ratio, which plays a central role in galactic propagation studies in order to derive the injection spectra at sources from measurements at Earth. In this paper, the data analysis techniques and the final results are presented.

Published
2015

79. Detection of a change in the North-South ratio of count rates of particles of high-energy cosmic rays during a change in the polarity of the magnetic field of the Sun

Author

M. Simon, V. Di Felice, V. Bonvicini, P. Spillantini, Riccardo Munini, G. I. Vasil’ev, W. Menn, Mark Pearce, S. B. Ricciarini, Roberto Bellotti, Marco Ricci, S. A. Koldobskii, P. Papini, E. Vannuccini, A. M. Galper, Mirko Boezio, G. Castellini, O. Adriani, A. N. Kvashnin, Alfonso Monaco, V. V. Malakhov, G. A. Bazilevskaya, F. Cafagna, M. Merge, Alexey Leonov, S. Bottai, A. V. Karelin, L. Marcelli, Roberta Sparvoli, M. Bongi, S. A. Voronov, A. G. Maiorov, A. Vacchi, Matteo Martucci, V. V. Mikhailov, S. Yu. Krutkov, Sergey Koldashov, A. Bruno, F. Palma, Ritabrata Sarkar, R. Carbone, Per Carlson, E. A. Bogomolov, D. Campana, Valerio Formato, N. De Simone, Valentina Scotti, Marco Casolino, N. Zampa, P. Picozza, E. Mocchiutti, Yu. T. Yurkin, G. Zampa, Beatrice Panico, M. L. Rosetto, G. C. Barbarino, G. Osteria, Nicola Mori, C. De Santis, C. De Donato, A. V., Karelin, O., Adriani, G. C., Barbarino, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G. I., Vasil’Ev, S. A., Voronov, A. M., Galper, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, G., Zampa, N., Zampa, F., Cafagna, D., Campana, R., Carbone, P., Carlson, M., Casolino, G., Castellini, A. N., Kvashnin, S. V., Koldashov, S. A., Koldobskii, S. Y., Krutkov, A. A., Leonov, L., Marcelli, M., Martucci, A. G., Maiorov, V. V., Malakhov, W., Menn, M., Mergè, V. V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Munini, Riccardo, G., Osteria, F., Palma, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, M. L., Rosetto, M., Simon, R., Sarkar, V., Scotti, R., Sparvoli, P., Spillantini, V., Formato, Y. T., Yurkin, Karelin, A. V., Adriani, O., Barbarino, Giancarlo, Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Vacchi, A., Vannuccini, E., Vasil’Ev, G. I., Voronov, S. A., Gal’Per, A. M., De Donato, C., De Santis, C., De Simone, N., Di Felice, V., Zampa, G., Zampa, N., Cafagna, F., Campana, D., Carbone, R., Carlson, P., Casolino, M., Castellini, G., Kvashnin, A. N., Koldashov, S. V., Koldobskii, S. A., Krut’Kov, S. Y. u., Leonov, A. A., Marcelli, L., Martucci, M., Maiorov, A. G., Malakhov, V. V., Menn, W., Mergè, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Rosetto, M. L., Simon, M., Sarkar, R., Scotti, V., Sparvoli, R., Spillantini, P., Formato, V., and Yurkin, Y. u. T.

Subjects
Physics, Solid-state physics, Calorimeter (particle physics), Physics and Astronomy (miscellaneous), Polarity (physics), Settore FIS/04, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, north south asymmetry, Magnetic field, satellite experiment, cosmic rays, PAMELA, Physics::Space Physics, Ultra-high-energy cosmic ray, PAMELA, Cosmic Rays, north south asymmetry, Physics::Atmospheric and Oceanic Physics
Abstract

A change in the ratio of the intensities of particles of high-energy cosmic rays arriving from the North and South in the time interval of 2010–2014 has been detected with a calorimeter entering into the experimental complex of the PAMELA satellite experiment since June 2006. The polarity of the magnetic field of the Sun changed in a part of this time interval. Thus, the results indicate that the North-South asymmetry of cosmic ray fluxes is related to the magnetic field of the Sun.

Published
2015

80. Searching for anisotropy of positrons and electrons in the PAMELA experiment

Author

N. Zampa, Alfonso Monaco, Mark Pearce, S. B. Ricciarini, C. De Santis, Giuseppe Osteria, G. A. Bazilevskaya, P. Picozza, P. Papini, V. G. Zverev, E. Vannuccini, C. De Donato, Alexey Leonov, P. Spillantini, R. Carbone, V. Malvezzi, M. Merge, F. Palma, Sergey Koldobskiy, Sergey Koldashov, Ritabrata Sarkar, Nicola Mori, S. A. Voronov, Roberta Sparvoli, G. C. Barbarino, S. Bottai, G. Zampa, Beatrice Panico, Yu. I. Stozhkov, O. Adriani, Mirko Boezio, V. V. Malakhov, Lorenzo Bonechi, V. Bonvicini, D. Campana, L. Marcelli, G. I. Vasilyev, V. V. Mikhailov, G. Castellini, M. Bongi, A. Vacchi, P. Carlson, A. Bruno, Roberto Bellotti, Marco Casolino, A. M. Galper, E. A. Bogomolov, E. Mocchiutti, F. Cafagna, A. N. Kvashnin, A. V. Karelin, Yu. T. Yurkin, Riccardo Munini, W. Menn, M. Simon, V. Di Felice, Marco Ricci, N. De Simone, S. Yu. Krutkov, A. G. Mayorov, Matteo Martucci, V. V., Mikhailov, O., Adriani, G. C., Barbarino, G., A., R., Bellotti, M., Boezio, E., A., L., Bonechi, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G. I., Vasilyev, S. A., Voronov, A. M., Galper, C., De Donato, C., De Santi, N., De Simone, V., Di Felice, V. G., Zverev, G., Zampa, N., Zampa, F., Cafagna, D., Campana, R., Carbone, A. V., Karelin, P., Carlson, M., Casolino, G., Castellini, A. N., Kvashnin, S. V., Koldashov, S. A., Koldobskiy, Krutkov, S. Y. u., A. A., Leonov, V., Malvezzi, L., Marcelli, M., Martucci, A. G., Mayorov, V., Malakhov, W., Menn, M., Merge, E., Mocchiutti, A., Monaco, N., Mori, Munini, Riccardo, G., Osteria, F., Palm, B., Panico, P., Papini, M., Pearce, P., Picozza, M., Ricci, S. B., Ricciarini, M., Simon, R., Sarkar, R., Sparvoli, P., Spillantini, Stozhkov, Y. u. I., Yurkin, Y. u. T., Mikhailov, V. V., Adriani, O., Barbarino, Giancarlo, Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bonechi, L., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Galper, A. M., De Donato, C., De Santis, C., De Simone, N., Di Felice, V., Zverev, V. G., Zampa, G., Zampa, N., Cafagna, F., Campana, D., Carbone, R., Karelin, A. V., Carlson, P., Casolino, M., Castellini, G., Kvashnin, A. N., Koldashov, S. V., Koldobskiy, S. A., Leonov, A. A., Malvezzi, V., Marcelli, L., Martucci, M., Mayorov, A. G., Malakhov, V., Menn, W., Merge, M., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Simon, M., Sarkar, R., Sparvoli, R., and Spillantini, P.

Subjects
Physics, positrons, Annihilation, PAMELA detector, Settore FIS/04, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, electrons, General Physics and Astronomy, Cosmic ray, Astrophysics, Electron, anisotropy, law.invention, Physics and Astronomy (all), Positron, Pulsar, cosmic rays, law, PAMELA, Positron sources, Anisotropy, Electrons, PAMELA, cosmic rays, anisotropy, positrons, electrons
Abstract

The PAMELA experiment has been under way aboard the Resurs DK-1 satellite since June 2006. The results have revealed an increase in the ratio of the positron intensity to the total electron and positron intensity at energies in excess of 10 GeV. This increase suggests an additional source of cosmic rays that is associated with either some astrophysical objects (e.g., pulsars) or the probable annihilation of particles of dark matter. Local positron sources can produce notable anisotropy in their flux. The results from the search for anisotropy of positrons and electrons in the events detected by the PAMELA experiment in the 2006-2013 timeframe are described in detail in this work.

Published
2015

81. The large-scale anisotropy with the PAMELA calorimeter

Author

Y. T. Yurkin, N. De Simone, Valentina Scotti, P. Spillantini, M. Simon, V. V. Malakhov, S. Bottai, A. V. Karelin, L. Marcelli, A. Vacchi, V. Di Felice, Riccardo Munini, W. Menn, A. Bruno, Per Carlson, F. Palma, R. Sparvoli, G. Zampa, E. Mocchiutti, Beatrice Panico, G. Osteria, S. Y. Krutkov, M. Merge, D. Campana, N. Zampa, G. A. Bazilevskaya, A. M. Galper, Mirko Boezio, V. Bonvicini, Y. I. Stozhkov, P. Picozza, Maria Teresa Ricci, Roberto Bellotti, Marco Casolino, F. Cafagna, S. V. Koldashov, M. Bongi, A. N. Kvashnin, André Monaco, A. A. Leonov, O. Adriani, R. Carbone, V. V. Mikhailov, Sergey Koldobskiy, G. C. Barbarino, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, Matteo Martucci, A. G. Mayorov, C. De Santis, C. De Donato, G. Castellini, S. A. Voronov, E. A. Bogomolov, Nicola Mori, Ritabrata Sarkar, G. I. Vasilyev, and Valerio Formato

Subjects
Physics, Scale (ratio), Calorimeter (particle physics), Astrophysics::High Energy Astrophysical Phenomena, Phase (waves), Cosmic ray, Astrophysics, Physics::Geophysics, Nuclear physics, Dipole, Amplitude, Equatorial coordinate system, General Earth and Planetary Sciences, Anisotropy, General Environmental Science
Abstract

The large-scale anisotropy (or the so-called star-diurnal wave) has been studied using the calorimeter of the space-born experiment PAMELA. The cosmic ray anisotropy has been obtained for the Southern and Northern hemispheres simultaneously in the equatorial coordinate system for the time period 2006–2014. The dipole amplitude and phase have been measured for energies 1–20 TeV n-1.

Published
2015

82. Measurement of galactic cosmic-ray deuteron spectrum in the PAMELA experiment

Author

G. Osteria, Nicola Mori, Roberto Bellotti, S. Y. Krutkov, M. F. Runtso, S. V. Koldashov, Marco Ricci, S. A. Voronov, E. A. Bogomolov, A. N. Kvashnin, Valerio Formato, M. Bongi, Mark Pearce, S. B. Ricciarini, C. De Santis, Gianluigi Zampa, P. Papini, E. Vannuccini, A. V. Karelin, A. G. Mayorov, V. Bonvicini, P. Picozza, Laura Rossetto, V. V. Mikhailov, G. I. Vasilyev, P. Spillantini, S. V. Borisov, I. A. Danilchenko, C. Pizzolotto, L. Marcelli, A. M. Galper, O. Adriani, G. Castellini, A. Bruno, E. Mocchiutti, L. Consiglio, W. Menn, N. Zampa, M. P. De Pascale, Giovanna Jerse, Yuri Stozhkov, Y. T. Yurkin, V. Di Felice, N. De Simone, F. Cafagna, M. Simon, A. A. Leonov, V. V. Malakhov, Alfonso Monaco, S. Bottai, Per Carlson, Mirko Boezio, G. A. Bazilevskaya, Lorenzo Bonechi, Andrea Vacchi, D. Campana, R. Carbone, Sergey Koldobskiy, G. C. Barbarino, Marco Casolino, V. G. Zverev, Roberta Sparvoli, S. A., Koldobskiy, V., Formato, O., Adriani, Barbarino, Giancarlo, G. A., Bazilevskaya, R., Bellotti, M., Boezio, E. A., Bogomolov, L., Bonechi, M., Bongi, V., Bonvicini, S. V., Borisov, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G., Vasilyev, S. A., Voronov, A. M., Galper, I. A., Danilchenko, M. P., Pascale, C., Santi, N., Simone, V., Felice, G., Jerse, V. G., Zverev, G., Zampa, N., Zampa, A. V., Karelin, F., Cafagna, D., Campana, R., Carbone, P., Carlson, M., Casolino, G., Castellini, A. N., Kvashnin, S. V., Koldashov, Consiglio, Lucia, S. Y., Krutkov, A. A., Leonov, L., Marcelli, A. G., Mayorov, V. V., Malakhov, W., Menn, V. V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Osteria, Giuseppe, P., Papini, M., Pearce, P., Picozza, C., Pizzolotto, M., Ricci, S. B., Ricciarini, L., Rossetto, M. F., Runtso, M. M., Simon, R., Sparvoli, P., Spillantini, Y. I., Stozhkov, and Y. T., Yurkin

Subjects
Physics, Physics and Astronomy (all), Deuterium, Astrophysics::High Energy Astrophysical Phenomena, Physics::Space Physics, Hadron, General Physics and Astronomy, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Spectrum (topology)
Abstract

This work presents the results of measuring the deuteron spectrum of Galactic cosmic rays (GCRs) with the PAMELA experiment. The PAMELA is an international experiment. Its main objectives are to se ...

Published
2013

83. Measurements of longitudinal and transverse momentum distributions for neutral pions in the forward-rapidity region with the LHCf detector

Author

N. Sakurai, W. C. Turner, Kimiaki Masuda, E. Matsubayashi, Katsuaki Kasahara, Y. Makino, Takahiro Iwata, Lorenzo Bonechi, M. Haguenauer, O. Adriani, M. Ueno, A. Tiberio, M. Del Prete, Hiroaki Menjo, M. Bongi, Toshiharu Suzuki, Yasushi Muraki, A. L. Perrot, Eugenio Berti, T. Tamura, Takashi Sako, G. Mitsuka, Shoji Torii, S. B. Ricciarini, P. Papini, Q. D. Zhou, Kiyoshi Kawade, Alessia Tricomi, Raffaello D'Alessandro, and Yoshitaka Itow

Subjects
Particle physics, Physics and Astronomy (miscellaneous), Nuclear Theory, Hadron, FOS: Physical sciences, Cosmic ray, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), symbols.namesake, Pion, 0103 physical sciences, Feynman diagram, Rapidity, Nuclear Experiment, 010306 general physics, Physics, Large Hadron Collider, 010308 nuclear & particles physics, Detector, Transverse plane, symbols, Physics::Accelerator Physics, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

The differential cross sections for inclusive neutral pions as a function of transverse and longitudinal momentum in the very forward rapidity region have been measured at the Large Hadron Collider (LHC) with the Large Hadron Collider forward detector (LHCf) in proton-proton collisions at $\sqrt{s}=$ 2.76 and 7 TeV and in proton-lead collisions at nucleon-nucleon center-of-mass energies of $\sqrt{s_\text{NN}}=$ 5.02 TeV. Such differential cross sections in proton-proton collisions are compatible with the hypotheses of limiting fragmentation and Feynman scaling. Comparing proton-proton with proton-lead collisions, we find a sizable suppression of the production of neutral pions in the differential cross sections after subtraction of ultra-peripheral proton-lead collisions. This suppression corresponds to the nuclear modification factor value of about 0.1-0.3. The experimental measurements presented in this paper provide a benchmark for the hadronic interaction Monte Carlo simulation codes that are used for the simulation of cosmic ray air showers., Comment: 47 pages, 23 figures, 59 tables, accepted in PRD

Published
2016

84. PAMELA'S MEASUREMENT OF GEOMAGNETIC CUTOFF VARIATIONS DURING SOLAR ENERGETIC PARTICLE EVENTS

Author

Roberto Bellotti, N. De Simone, V. Bonvicini, S. Bottai, A. M. Galper, André Monaco, Mirko Boezio, Y. I. Stozhkov, M. Simon, G. A. Bazilevskaya, Ritabrata Sarkar, G. I. Vasilyev, R. Carbone, Sergey Koldobskiy, Y. T. Yurkin, A. V. Karelin, V. G. Zverev, G. C. Barbarino, L. Marcelli, F. Palma, R. Sparvoli, A. Vacchi, Maria Teresa Ricci, A. Bruno, G. Osteria, V. Di Felice, M. Bongi, G. Zampa, Beatrice Panico, Valentina Scotti, C. De Donato, V. Formato, N. Zampa, Per Carlson, S. A. Voronov, Riccardo Munini, F. Cafagna, E. A. Bogomolov, M. Merge, Matteo Martucci, A. Leonov, O. Adriani, W. Menn, V. V. Mikhailov, G. Castellini, C. De Santis, Nicola Mori, S. V. Koldashov, V. V. Malakhov, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, P. Spillantini, A. G. Mayorov, S. Y. Krutkov, D. Campana, Marco Casolino, P. Picozza, A. N. Kvashnin, and E. Mocchiutti

Subjects
Physics, Nuclear physics, Earth's magnetic field, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Physics::Space Physics, Measure (physics), Particle, Cutoff, Satellite, Nuclear Experiment, Physics::Atmospheric and Oceanic Physics
Abstract

Data from the PAMELA satellite experiment were used to measure the geomagnetic cutoff for high-energy ( 80 MeV) protons during the solar particle events on 2006 December 13 and 14. The variations o ...

Published
2016

85. Nine Years of Cosmic Ray Investigation by the PAMELA Experiment

Author

Maria Teresa Ricci, G. A. Bazilevskaya, Mirko Boezio, P. Spillantini, G. Zampa, Beatrice Panico, M. Merge, V. V. Mikhailov, A. N. Kvashnin, E. Mocchiutti, Riccardo Munini, V. Di Felice, S. Y. Krutkov, R. Sparvoli, Y. T. Yurkin, M. Bongi, Mark Pearce, S. B. Ricciarini, V. Bonvicini, A. V. Karelin, F. Palma, A. Bruno, C. De Donato, G. I. Vasilyev, Y. I. Stozhkov, G. Osteria, F. Cafagna, V. V. Malakhov, P. Picozza, P. Papini, E. Vannuccini, G. Castellini, Sergey Koldashov, Roberto Bellotti, A. G. Mayorov, A. M. Galper, C. De Santis, Valentina Scotti, N. Zampa, O. Adriani, S. Bottai, W. Menn, André Monaco, Sergey Koldobskiy, D. Campana, G. C. Barbarino, Ritabrata Sarkar, L. Marcelli, A. Vacchi, V. Formato, Marco Casolino, S. A. Voronov, E. A. Bogomolov, A. Leonov, Matteo Martucci, Nicola Mori, Per Carlson, N. De Simone, and M. Simon

Subjects
On board, Physics, Feature (computer vision), Detector, Astronomy, Cosmic ray, Satellite
Abstract

The PAMELA cosmic ray detector was launched on June 15th of 2006 on board the Russian Resurs-DK1 satellite and during nine years of continuous data-taking it has ob- served very interesting feature ...

Published
2016

86. Solar modulation of galactic cosmic rays electrons and positrons over the 23rd solar minimum with the PAMELA experiment

Author

M. S. Potgieter, A. G. Mayorov, S. Bottai, E. Mocchiutti, M. Merge, G. Castellini, Sergey Koldobskiy, G. A. Bazilevskaya, G. C. Barbarino, N. Zampa, V. V. Mikhailov, Mirko Boezio, C. De Santis, G. Zampa, Beatrice Panico, Maria Teresa Ricci, V. Bonvicini, Ritabrata Sarkar, C. De Donato, L. Marcelli, A. Vacchi, S. Y. Krutkov, Matteo Martucci, A. Bruno, Y. I. Stozhkov, V. Formato, A. M. Galper, A. Leonov, A. V. Karelin, S. V. Koldashov, André Monaco, S. A. Voronov, Nicola Mori, F. Palma, V. V. Malakhov, E. A. Bogomolov, V. Di Felice, M. Simon, P. Picozza, F. Cafagna, Etienne Vos, P. Spillantini, G. Osteria, Riccardo Munini, D. Campana, G. I. Vasilyev, N. De Simone, Marco Casolino, Valentina Scotti, R. Sparvoli, Per Carlson, Y. T. Yurkin, Roberto Bellotti, O. Adriani, W. Menn, M. Bongi, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, and A. N. Kvashnin

Subjects
Solar minimum, Physics, Positron, PAMELA detector, Modulation, law, Astronomy, Cosmic ray, Electron, Astrophysics, law.invention
Abstract

The satellite-borne PAMELA experiment has been continuously collecting data since 15th June 2006, when it was launched from the Baikonur cosmodrome to detect the charged component of cosmic rays ov ...

Published
2016

87. New measurements of the energy spectra of high-energy cosmic-ray protons and helium nuclei with the calorimeter in the PAMELA experiment

Author

V. Bonvicini, P. Spillantini, S. Bottai, S. Yu. Krutkov, V. G. Zverev, N. De Simone, Alfonso Monaco, N. Zampa, R. Sarkar, C. Pizzolotto, Nicola Mori, M. Simon, Yu. T. Yurkin, A. A. Leonov, Mark Pearce, S. B. Ricciarini, Roberta Sparvoli, O. Adriani, P. Papini, W. Menn, V. Di Felice, E. Vannuccini, S. A. Voronov, Per Carlson, V. Malvezzi, P. Picozza, A. M. Galper, F. Cafagna, Mirko Boezio, Marco Ricci, G. I. Vasilyev, M. Merge, M. Bongi, G. A. Bazilevskaya, R. Carbone, Sergey Koldobskiy, G. C. Barbarino, C. De Santis, A. Bruno, Matteo Martucci, C. De Donato, F. Palma, Gianluigi Zampa, V. V. Mikhailov, Andrea Vacchi, Yu. I. Stozhkov, L. Marcelli, Giuseppe Osteria, A. G. Mayorov, E. Mocchiutti, G. Castellini, V. V. Malakhov, L. Boneci, E. A. Bogomolov, Roberto Bellotti, A. N. Kvashnin, Sergey Koldashov, D. Campana, A. V. Karelin, Marco Casolino, A., Karelin, O., Adriani, Barbarino, Giancarlo, G., Bazilevskaya, R., Bellotti, M., Boezio, E., Bogomolov, L., Boneci, M., Bongi, V., Bonvicini, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G., Vasilyev, S., Voronov, A., Galper, C. D., Donato, C. D., Santi, N. D., Simone, V. D., Felice, V., Zverev, G., Zampa, N., Zampa, F., Cafagna, D., Campana, R. h., Carbone, P., Carlson, M., Casolino, G., Castellini, A., Kvashnin, S., Koldashov, S., Koldobskiy, S., Krutkov, A., Leonov, V., Malvezzi, L., Marcelli, M., Martucci, A., Mayorov, V., Malakhov, W., Menn, M., Merge, V., Mikhailov, E., Mocchiutti, A., Monaco, N., Mori, Osteria, Giuseppe, F., Palma, P., Papini, M., Pearce, P., Picozza, C., Pizzolotto, M., Ricci, S., Ricciarini, R., Sarkar, M., Simon, R., Sparvoli, P., Spillantini, Y., Stozhkov, and Y., Yurkin

Subjects
Physics, PAMELA detector, Solid-state physics, Calorimeter (particle physics), Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, General Physics and Astronomy, chemistry.chemical_element, Cosmic ray, Alpha particle, respiratory system, Spectral line, law.invention, Nuclear physics, Physics and Astronomy (all), chemistry, Energy spectra, Event selection, Helium nuclei, Measurements of, Position sensitive, Satellite-borne experiment, law, Protons, Nucleon, Nuclear Experiment, Helium, Calorimeters, Cosmic rays, Experiments, Helium, Spectroscopy
Abstract

New measurements of the energy spectra of cosmic-ray protons and helium nuclei with significantly increased statistics owing to an improvement of the event selection technique and the involvement of all data over the period 2006?????????2013 in the analysis have been made at energies above 0.8 TeV/nucleon with a position-sensitive calorimeter based on data from the PAMELA satellite-borne experiment.

Published
2014

88. PAMELA's measurements of geomagnetic cutoff variations during the 14 December 2006 storm

Author

Sergey Koldobskiy, G. C. Barbarino, Alfonso Monaco, D. Campana, A. G. Mayorov, Mark Pearce, S. B. Ricciarini, Marco Casolino, S. Y. Krutkov, P. Papini, E. Vannuccini, M. Merge, Matteo Martucci, E. Mocchiutti, G. A. de Nolfo, S. Bottai, P. Picozza, V. Bonvicini, O. Adriani, Sergey Koldashov, Y. I. Stozhkov, A. V. Karelin, W. Menn, V. V. Malakhov, Per Carlson, Valentina Scotti, P. Spillantini, F. Cafagna, M. Bongi, N. De Simone, Marco Ricci, M. Simon, Roberto Bellotti, A. M. Galper, N. Zampa, V. V. Mikhailov, F. Palma, A. N. Kvashnin, G. A. Bazilevskaya, S. A. Voronov, R. Sparvoli, E. A. Bogomolov, Yu. T. Yurkin, V. Di Felice, G. Osteria, Nicola Mori, G. I. Vasilyev, C. De Santis, C. De Donato, Riccardo Munini, G. Zampa, Beatrice Panico, Alexey Leonov, Ritabrata Sarkar, G. Castellini, Mirko Boezio, L. Marcelli, A. Vacchi, A. Bruno, Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Donato, C., De Nolfo, G. A., De Santis, C., De Simone, N., Di Felice, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Mergé, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., and Zampa, N.

Subjects
Geomagnetic Cutoff, Atmospheric Science, 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, Magnetosphere, FOS: Physical sciences, Astrophysics, 01 natural sciences, Physics::Geophysics, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Physics - Space Physics, 0103 physical sciences, Interplanetary magnetic field, Solar Energetic Particles, 010303 astronomy & astrophysics, 0105 earth and related environmental sciences, Physics, Geomagnetic storm, Earth and Planetary Astrophysics (astro-ph.EP), Ionospheric dynamo region, Geomagnetic secular variation, Solar energetic particles, Settore FIS/04, Geophysics, Magnetic Storms, Space Physics (physics.space-ph), Solar wind, Earth's magnetic field, Physics::Space Physics, Astrophysics - Earth and Planetary Astrophysics
Abstract

Data from the Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics (PAMELA) satellite experiment were used to measure the geomagnetic cutoff for high-energy (>80 MeV) protons during the 14 December 2006 geomagnetic storm. The variations of the cutoff latitude as a function of rigidity were studied on relatively short timescales, corresponding to spacecraft orbital periods (94 min). Estimated cutoff values were compared with those obtained by means of a trajectory tracing approach based on a dynamical empirical modeling of the Earth's magnetosphere. We found significant variations in the cutoff latitude, with a maximum suppression of about 7 deg at lowest rigidities during the main phase of the storm. The observed reduction in the geomagnetic shielding and its temporal evolution were related to the changes in the magnetospheric configuration, investigating the role of interplanetary magnetic field, solar wind and geomagnetic parameters. PAMELA's results represent the first direct measurement of geomagnetic cutoffs for protons with kinetic energies in the sub-GeV and GeV region., 26 pages, 6 figures and 1 table. Accepted for publication in Space Weather

Published
2016

89. The performance for the TeV photon measurement of the LHCf upgraded detector using Gd 2 SiO 5 (GSO) scintillators

Author

Shoji Torii, M. Ueno, Katsuaki Kasahara, M. Bongi, Hiroaki Menjo, Q. D. Zhou, W. C. Turner, E. Matsubayashi, Kimiaki Masuda, Raffaello D'Alessandro, Y. Makino, M. Haguenauer, T. Iwata, Yoshitaka Itow, Yasushi Muraki, Eugenio Berti, G. Castellini, O. Adriani, Takashi Sako, S. B. Ricciarini, P. Papini, Alessia Tricomi, Lorenzo Bonechi, T. Tamura, A. Tiberio, T. Suzuki, and École polytechnique (X)

Subjects
Particle physics, Nuclear and High Energy Physics, Photon, Physics::Instrumentation and Detectors, Instrumentation, energy resolution, Scintillator, 7. Clean energy, 01 natural sciences, Calorimeters, Colliding beam accelerators, Ionization, Tellurium compounds Air shower experiments, Electro-magnetic showers, Hadronic interaction models, Integrated luminosity, Irradiation conditions, Large Hadron Collider, Sampling calorimeters, UHECRs, Nuclear physics, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Nuclear Experiment, Image resolution, spatial resolution, Sampling calorimeter, GSO, Physics, Luminosity (scattering theory), irradiation, 010308 nuclear & particles physics, Scintillating detector, Detector, mass resolution, LHC-F, stability, calibration, GSO, Sampling calorimeter, Scintillating detector, UHECRs, Nuclear and High Energy Physics, Instrumentation, Air shower, scintillation counter: crystal, High Energy Physics::Experiment, silicon: oxygen, calorimeter: upgrade, gadolinium, performance
Abstract

International audience; The Large Hadron Collider forward (LHCf) experiment measures the forward particle production at the LHC to verify hadronic interaction models used in air shower experiments. We have upgraded very small sampling and imaging calorimeters using GSO scintillators to measure the most energetic particles generated in s =13 TeV p–p collisions at the zero-degree region of the LHC. Upgraded detectors were calibrated at the SPS North area facility in CERN and it was confirmed that the detector can measure electro-magnetic showers with energy resolution of 3% and position resolution of better than 123 μm for 100 GeV electrons. The operation of LHCf in 13 TeV p–p collisions has been successfully completed with integrated luminosity of 5 nb −1 . Reconstructed π 0 peak with the mass resolution of 3.7% and stability less than 1% during the operation implies that our measurement was stable enough in the high irradiation condition.

Published
2016

90. LHCf experiment: Forward physics at LHC for cosmic rays study

Author

O. Adriani, T. Tamura, Lorenzo Bonechi, Alessia Tricomi, E. Matsubayashi, Y. Makino, Alessio Tiberio, Shoji Torii, Raffaello D'Alessandro, M. Haguenauer, G. Mitsuka, Takashi Sako, S. B. Ricciarini, P. Papini, Q. D. Zhou, M. Bongi, Eugenio Berti, Toshiharu Suzuki, G. Castellini, Y. Okuno, M. Del Prete, N. Sakurai, W. C. Turner, Kimiaki Masuda, Hiroaki Menjo, Y. Sugiura, Kiyoshi Kawade, Yasushi Muraki, Katsuaki Kasahara, A. L. Perrot, and Yoshitaka Itow

Subjects
Physics, Astrophysics and Astronomy, Future perspective, Particle properties, Large Hadron Collider, 010308 nuclear & particles physics, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Hadron, Nuclear Theory, Cosmic ray, Astrophysics, 01 natural sciences, Nuclear physics, Physics and Astronomy (all), neutron, cosmic rays, 0103 physical sciences, Physics::Accelerator Physics, Ultra-high-energy cosmic ray, 010306 general physics, Nuclear Experiment, Energy (signal processing), Particle Physics - Experiment
Abstract

The LHCf experiment, optimized for the study of forward physics at LHC, completes its main physics program in this year 2015, with the proton-proton collisions at the energy of 13 TeV. LHCf gives important results on the study of neutral particles at extreme pseudo-rapidity, both for proton-proton and for proton-ion interactions. These results are an important reference for tuning the models of the hadronic interaction currently used for the simulation of the atmospheric showers induced by very high energy cosmic rays. The results of this analysis and the future perspective are presented in this paper.

Published
2016

91. Perspectives of the GAMMA-400 space observatory for high-energy gamma rays and cosmic rays measurements

Author

A. L. Menshenin, G. Castellini, M. F. Runtso, S G Bobkov, Valery Korepanov, N P Topchiev, O. D. Dalkarov, Yu. I. Stozhkov, A. A. Moiseev, R. L. Aptekar, G Bigongiari, Francesco Longo, N Finetti, C. De Donato, A. Vacchi, A Tiberio, P.W. Cattaneo, P S Marrocchesi, P. Yu. Naumov, V. V. Mikhailov, A. V. Bakaldin, Roberta Sparvoli, N. Zampa, Vladimir Kaplin, A. M. Galper, Igor V. Moskalenko, Nicola Mori, Yu. T. Yurkin, E. M. Tyurin, P. Picozza, S. Bonechi, Felix Ryde, Paolo Maestro, M. Ulanov, V. V. Kadilin, Mark Pearce, E. Vannuccini, Piero Spillantini, Maxim S. Gorbunov, O. V. Serdin, Josefin Larsson, P. Papini, Marco Tavani, A. Rappoldi, Mirko Boezio, A. A. Taraskin, S. B. Ricciarini, S. I. Suchkov, V. N. Zirakashvili, I. V. Arkhangelskaja, V. A. Loginov, O. Adriani, G. L. Dedenko, G. I. Vasilyev, Bohdan Hnatyk, V. G. Zverev, A. A. Kaplun, E. A. Bogomolov, Yu. V. Gusakov, E Berti, A.I. Arkhangelskiy, M. D. Kheymits, M. Bongi, E. Mocchiutti, P. Cumani, Alexey Leonov, V. Bonvicini, V. A. Dogiel, L. Bergstrom, S. Bottai, S. Rubin, A. Galper, A. Petrukhin, M. Skorokhvatov, Topchiev, N. P., Galper, A. M., Bonvicini, V., Adriani, O., Aptekar, R. L., Arkhangelskaja, I. V., Arkhangelskiy, A. I., Bakaldin, A. V., Bergstrom, L., Berti, E., Bigongiari, G., Bobkov, S. G., Boezio, M., Bogomolov, E. A., Bonechi, S., Bongi, M., Bottai, S., Castellini, G., Cattaneo, P. W., Cumani, P., Dalkarov, O. D., Dedenko, G. L., De Donato, C., Dogiel, V. A., Finetti, N., Gorbunov, M. S., Gusakov, Y. V., Hnatyk, B. I., Kadilin, V. V., Kaplin, V. A., Kaplun, A. A., Kheymits, M. D., Korepanov, V. E., Larsson, J., Leonov, A. A., Loginov, V. A., Longo, F., Maestro, P., Marrocchesi, P. S., Men'Shenin, A. L., Mikhailov, V. V., Mocchiutti, E., Moiseev, A. A., Mori, N., Moskalenko, I. V., Naumov, P. Y., Papini, P., Pearce, M., Picozza, P., Rappoldi, A., Ricciarini, S., Runtso, M. F., Ryde, F., Serdin, O. V., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Suchkov, S. I., Taraskin, A. A., Tavani, M., Tiberio, A., Tyurin, E. M., Ulanov, M. V., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Yurkin, Y. T., Zampa, N., Zirakashvili, V. N., and Zverev, V. G.

Subjects
History, 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Highly elliptical orbit, cosmic-rays, Cosmic ray, Astrophysics, 01 natural sciences, Education, law.invention, Telescope, Physics and Astronomy (all), law, 0103 physical sciences, 010303 astronomy & astrophysics, 0105 earth and related environmental sciences, Physics, Settore FIS/04, Gamma ray, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, gamma-ray telescopes, Gamma-ray astronomy, Orbital period, gamma-ray telescope, Computer Science Applications, Cosmic ray measurement, Cosmic rays, Cosmology, Positrons, Space platforms, Telescopes, Tellurium compounds, Fermi Gamma-ray Space Telescope
Abstract

The GAMMA-400 gamma-ray telescope is intended to measure the fluxes of gamma-rays and cosmic-ray electrons and positrons in the energy range from 100 MeV to several TeV. Such measurements concern the following scientific tasks: investigation of point sources of gamma-rays, studies of the energy spectra of Galactic and extragalactic diffuse emission, studies of gamma-ray bursts and gamma-ray emission from the Sun, as well as high precision measurements of spectra of high-energy electrons and positrons. Also the GAMMA- 400 instrument provides the possibility for protons and nuclei measurements up to knee. But the main goal for the GAMMA-400 mission is to perform a sensitive search for signatures of dark matter particles in high-energy gamma-ray emission. To fulfill these measurements the GAMMA-400 gamma-ray telescope possesses unique physical characteristics in comparison with previous and present experiments. The major advantage of the GAMMA-400 instrument is excellent angular and energy resolution for gamma-rays above 10 GeV. The GAMMA-400 experiment will be installed onboard of the Navigator space platform, manufactured by the NPO Lavochkin Association. The expected orbit will be a highly elliptical orbit (with apogee 300.000 km and perigee 500 km) with 7 days orbital period. An important profit of such an orbit is the fact that the full sky coverage will always be available for gamma ray astronomy.

Published
2016

92. The May 17, 2012 solar event: Back-tracing analysis and flux reconstruction with PAMELA

Author

Sergey Koldashov, Yu. T. Yurkin, V. V. Mikhailov, G. A. Bazilevskaya, R. Sparvoli, S. Y. Krutkov, M. Bongi, V. Di Felice, Yuri Stozhkov, Ulisse Bravar, P. Picozza, V. V. Malakhov, Mark Pearce, S. B. Ricciarini, Roberto Bellotti, R. Carbone, Steven Stochaj, N. De Simone, A. M. Galper, Sergey Koldobskiy, F. Cafagna, P. Papini, G. C. Barbarino, E. Vannuccini, A. G. Mayorov, Alfonso Monaco, E. Mocchiutti, E. C. Christian, A. V. Karelin, N. Zampa, M. Merge, S. A. Voronov, Per Carlson, C. De Santis, D. Campana, James M. Ryan, E. A. Bogomolov, V. G. Zverev, A. N. Kvashnin, G. Osteria, Marco Casolino, C. De Donato, M. Simon, V. Bonvicini, L. Marcelli, Maria Teresa Ricci, A. Vacchi, Valerio Formato, A. Bruno, G. I. Vasilyev, Nicola Mori, Matteo Martucci, G. A. de Nolfo, G. Castellini, Alexey Leonov, Ritabrata Sarkar, S. Bottai, Riccardo Munini, G. Zampa, Beatrice Panico, P. Spillantini, M. A. Lee, O. Adriani, W. Menn, F. Palma, Valentina Scotti, Mirko Boezio, Bruno, A., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bravar, U., Cafagna, F., Campana, D., Carbone, R., Carlson, P., Casolino, M., Castellini, G., Christian, E. C., De Donato, C., De Nolfo, G. A., De Santis, C., De Simone, N., Felice, V. D., Formato, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Lee, M., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Menn, W., Mergè, M., Mikhailov, V. V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Ryan, J. M., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stochaj, S., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., and Zverev, V. G.

Subjects
Physics, Settore FIS/01, History, Solar energetic particles, Spacecraft, business.industry, Magnetosphere, Direction of arrival, Astrophysics, Tracing, Solar physics, 01 natural sciences, Computer Science Applications, Education, Computational physics, Physics and Astronomy (all), 0103 physical sciences, Physics::Space Physics, Neutron, Interplanetary magnetic field, 010306 general physics, business, Angular distribution, Cosmology, Earth (planet), Low power electronics, Orbits, Solar system, 010303 astronomy & astrophysics
Abstract

The PAMELA space experiment is providing first direct observations of Solar Energetic Particles (SEPs) with energies from about 80 MeV to several GeV in near-Earth orbit, bridging the low energy measurements by other spacecrafts and the Ground Level Enhancement (GLE) data by the worldwide network of neutron monitors. Its unique observational capabilities include the possibility of measuring the flux angular distribution and thus investigating possible anisotropies associated to SEP events. The analysis is supported by an accurate back-tracing simulation based on a realistic description of the Earth's magnetosphere, which is exploited to estimate the SEP energy spectra as a function of the asymptotic direction of arrival with respect to the Interplanetary Magnetic Field (IMF). In this work we report the results for the May 17, 2012 event.

Published
2016

93. Calocube - A highly segmented calorimeter for a space based experiment

Author

S. Bottai, N. Daddi, S. B. Ricciarini, P. Spillantini, P. Papini, E. Vannuccini, Maria Miritello, A. Gregorio, G.F. Rappazzo, Marina Trimarchi, Alessia Tricomi, L. Pacini, G. Pauletta, O. Starodubtsev, R. D' Alessandro, G. Carotenuto, Anna Vedda, A. Tiberio, O. Adriani, M. Chiari, P. W. Cattaneo, A. Basti, A. Rappoldi, V. Bonvicini, N. Zampa, M. Bongi, Paolo Brogi, Antoniangelo Agnesi, Sebastiano Albergo, G. Castellini, S. Detti, L. Santi, Lucrezia Auditore, Lorenzo Bonechi, P. S. Marrocchesi, Mauro Fasoli, A. Sulaj, N. Finetti, Paolo Maestro, Antonio Trifiro, Federico Pirzio, J. E. Suh, B. Zerbo, S. Bonechi, G. Zampa, D. Cauz, Gabriele Bigongiari, Eugenio Berti, Piergiulio Lenzi, Nicola Mori, Maria Giuseppina Bisogni, Marco Grassi, Marco Incagli, Riccardo Paoletti and Giovanni Signorelli, D'Alessandro, R., Adriani, O., Agnesi, A., Albergo, S., Auditore, L., Basti, A., Berti, E., Bigongiari, G., Bonechi, L., Bonechi, S., Bongi, M., Bonvicini, V., Bottai, S., Brogi, P., Carotenuto, G., Castellini, G., Cattaneo, P. W., Cauz, D., Chiari, M., Daddi, N., Detti, S., Fasoli, M., Finetti, N., Gregorio, Anna, Lenzi, P., Maestro, P., Marrocchesi, P. S., Miritello, M., Mori, N., Pacini, L., Papini, P., Pauletta, G., Pirzio, F., Rappazzo, G. F., Rappoldi, A., Ricciarini, S., Santi, L. G., Spillantini, P., Starodubtsev, O., Suh, J. E., Sulaj, A., Tiberio, A., Tricomi, A., Trifiro, A., Trimarchi, M., Vannuccini, E., Vedda, A., Zampa, Gianluigi, Zampa, Nicola, Zerbo, B., D'Alessandro, R, Adriani, O, Agnesi, A, Albergo, S, Auditore, L, Basti, A, Berti, E, Bigongiari, G, Bonechi, L, Bonechi, S, Bongi, M, Bonvicini, V, Bottai, S, Brogi, P, Carotenuto, G, Castellini, G, Cattaneo, P, Cauz, D, Chiari, M, Daddi, N, Detti, S, Fasoli, M, Finetti, N, Gregorio, A, Lenzi, P, Maestro, P, Marrocchesi, P, Miritello, M, Mori, N, Pacini, L, Papini, P, Pauletta, G, Pirzio, F, Rappazzo, G, Rappoldi, A, Ricciarini, S, Santi, L, Spillantini, P, Starodubtsev, O, Suh, J, Sulaj, A, Tiberio, A, Tricomi, A, Trifiro, A, Trimarchi, M, Vannuccini, E, Vedda, A, Zampa, G, Zampa, N, and Zerbo, B

Subjects
Physics, Calorimeter, Nuclear and High Energy Physics, Astroparticle, Crystals, Instrumentation, Calorimeter (particle physics), 010308 nuclear & particles physics, Detector, Cosmic ray, Space (mathematics), 01 natural sciences, Particle identification, Nuclear physics, Acceleration, 0103 physical sciences, Crystal, 010306 general physics, Energy (signal processing)
Abstract

Future research in High Energy Cosmic Ray Physics concerns fundamental questions on their origin, acceleration mechanism, and composition. Unambiguous measurements of the energy spectra and of the composition of cosmic rays at the “knee” region could provide some of the answers to the above questions. Only ground based observations, which rely on sophisticated models describing high energy interactions in the earth׳s atmosphere, have been possible so far due to the extremely low particle rates at these energies. A calorimeter based space experiment can provide not only flux measurements but also energy spectra and particle identification, especially when coupled to a dE/dx measuring detector, and thus overcome some of the limitations plaguing ground based experiments. For this to be possible very large acceptances are needed if enough statistic is to be collected in a reasonable time. This contrasts with the lightness and compactness requirements for space based experiments. A novel idea in calorimetry is discussed here which addresses these issues while limiting the mass and volume of the detector. In fact a small prototype is currently being built and tested with ions. In this paper the results obtained will be presented in light of the simulations performed.

Published
2016

94. H, He, Li and Be Isotopes in the PAMELA-Experiment

Author

W Menn, O Adriani, G C Barbarino, G A Bazilevskaya, R Bellotti, M Boezio, E A Bogomolov, M Bongi, V. Bonvicini, S Bottai, A Bruno, F Cafagna, D Campana, P Carlson, M Casolino, G Castellini, C De Donato, C De Santis, N De Simone, V di Felice, V Formato, A M Galper, A V Karelin, S V Koldashov, S Koldobskiy, S Y Krutkov, A N Kvashnin, A Leonov, V Malakhov, L Marcelli, M Martucci, A G Mayorov, M Mergè, V Mikhailov, E Mocchiutti, A Monaco, N Mori, R Munini, G Osteria, F Palma, B Panico, P Papini, M Pearce, P Picozza, M Ricci, S B Ricciarini, R Sarkar, V. Scotti, M Simon, R Sparvoli, P Spillantini, Y I Stozhkov, A Vacchi, E Vannuccini, G Vasilyev, S A Voronov, Y T Yurkin, G Zampa, N Zampa, M S Potgieter, E E Vos, Menn, W., Adriani, O., Barbarino, G. C., Bazilevskaya, G. A., Bellotti, R., Boezio, M., Bogomolov, E. A., Bongi, M., Bonvicini, V., Bottai, S., Bruno, A., Cafagna, F., Campana, D., Carlson, P., Casolino, M., Castellini, G., De Donato, C., De Santis, C., De Simone, N., Di Felice, V., Formato, V., Galper, A. M., Karelin, A. V., Koldashov, S. V., Koldobskiy, S., Krutkov, S. Y., Kvashnin, A. N., Leonov, A., Malakhov, V., Marcelli, L., Martucci, M., Mayorov, A. G., Mergè, M., Mikhailov, V., Mocchiutti, E., Monaco, A., Mori, N., Munini, R., Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Picozza, P., Ricci, M., Ricciarini, S. B., Sarkar, R., Scotti, V., Simon, M., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Vacchi, A., Vannuccini, E., Vasilyev, G., Voronov, S. A., Yurkin, Y. T., Zampa, G., Zampa, N., Potgieter, M. S., and Vos, E. E.

Subjects
Physics, History, Calorimeter (particle physics), Spectrometer, PAMELA detector, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Settore FIS/04, Cosmic ray, Astrophysics, Scintillator, Computer Science Applications, Education, law.invention, Nuclear physics, Physics and Astronomy (all), Antiproton, law, Scintillation counter, Neutron detection, High Energy Physics::Experiment, Calorimeters, Cosmic ray measurement, Cosmic rays, Cosmology, High energy physics, Isotopes, Particle detectors, Nuclear Experiment
Abstract

On the 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a time-of-flight system, a silicon-microstrip magnetic spectrometer, a silicon-tungsten electromagnetic calorimeter, an anti-coincidence system, a shower tail counter scintillator and a neutron detector. The scientific objectives addressed by the mission are the measurement of the antiprotons and positrons spectra in cosmic rays, the hunt for antinuclei as well as the determination of light nuclei fluxes from hydrogen to oxygen in a wide energy range and with very high statistics. In this paper the identification capability for light nuclei isotopes using two different detector systems (Time-of-Flight and multiple dE/dx measurements in the calorimeter) and preliminary results of the isotopic ratios will be presented.

Published
2016

95. The GAMMA-400 gamma-ray telescope for precision gamma-ray emission investigations

Author

P. Yu. Naumov, Vladimir Kaplin, S. G. Bobkov, G. L. Dedenko, O. V. Serdin, Miriam Lucio Martinez, Lorenzo Bonechi, A.I. Arkhangelskiy, Igor V. Moskalenko, Bohdan Hnatyk, Piero Spillantini, R. Aptekar, V. G. Zverev, Josefin Larsson, Marco Tavani, A. Rappoldi, Yu. T. Yurkin, V. A. Dogiel, M. F. Runtso, Mirko Boezio, Francesco Longo, E. A. Bogomolov, O. Adriani, Mark Pearce, S. B. Ricciarini, Roberta Sparvoli, A. V. Bakaldin, Alexey Leonov, G Bigongiari, J. E. Ward, David Gascon, S. Bottai, M. Bongi, A. A. Moiseev, E. Mocchiutti, P. Cumani, Paolo Maestro, Nikolay Topchiev, Yu. I. Stozhkov, N Finetti, V. N. Zirakashvili, M. D. Kheymits, P S Marrocchesi, A. M. Galper, C. De Donato, Y. u. V. Gusakov, O.D. Dalkarov, V. V. Mikhailov, A Tiberio, Felix Ryde, V. Bonvicini, J. M. Paredes, P. Picozza, G. Castellini, Valery Korepanov, L. Bergstrom, N. Zampa, P. Papini, A. L. Menshenin, S. I. Suchkov, Nicola Mori, M. Ulanov, E Berti, V. V. Kadilin, G. I. Vasilyev, E. Vannuccini, A. A. Kaplun, P.W. Cattaneo, I. V. Arkhangelskaja, A. Vacchi, E. M. Tyurin, Maxim S. Gorbunov, A. A. Taraskin, V. A. Loginov, S. Rubin, A. Galper, A. Petrukhin, M. Skorokhvatov, Topchiev, N. P., Galper, A. M., Bonvicini, V., Adriani, O., Aptekar, R. L., Arkhangelskaja, I. V., Arkhangelskiy, A. I., Bakaldin, A. V., Bergstrom, L., Berti, E., Bigongiari, G., Bobkov, S. G., Boezio, M., Bogomolov, E. A., Bonechi, L., Bongi, M., Bottai, S., Castellini, G., Cattaneo, P. W., Cumani, P., Dalkarov, O. D., Dedenko, G. L., De Donato, C., Dogiel, V. A., Finetti, N., Gascon, D., Gorbunov, M. S., Gusakov, Y. V., Hnatyk, B. I., Kadilin, V. V., Kaplin, V. A., Kaplun, A. A., Kheymits, M. D., Korepanov, V. E., Larsson, J., Leonov, A. A., Loginov, V. A., Longo, F., Maestro, P., Marrocchesi, P. S., Martinez, M., Men'Shenin, A. L., Mikhailov, V. V., Mocchiutti, E., Moiseev, A. A., Mori, N., Moskalenko, I. V., Naumov, P. Y., Papini, P., Paredes, J. M., Pearce, M., Picozza, P., Rappoldi, A., Ricciarini, S., Runtso, M. F., Ryde, F., Serdin, O. V., Sparvoli, R., Spillantini, P., Stozhkov, Y. I., Suchkov, S. I., Taraskin, A. A., Tavani, M., Tiberio, A., Tyurin, E. M., Ulanov, M. V., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Ward, J. E., Yurkin, Y. T., Zampa, N., Zirakashvili, V. N., and Zverev, V. G.

Subjects
History, Astrophysics::High Energy Astrophysical Phenomena, Dark matter, Astrophysics::Cosmology and Extragalactic Astrophysics, Electron, Astrophysics, 01 natural sciences, gamma-ray source, dark matter, Education, law.invention, Telescope, Physics and Astronomy (all), Positron, law, 0103 physical sciences, 010303 astronomy & astrophysics, Cosmic rays, Cosmology, Electrons, Positrons, Solar energy, Telescopes, Tellurium compounds, gamma-ray sources, Astrophysics::Galaxy Astrophysics, Physics, gamma-ray telescopes, 010308 nuclear & particles physics, Settore FIS/04, Gamma rays, Gamma ray, Astronomy, gamma-ray telescope, Computer Science Applications, Physics::Accelerator Physics, Fermi Gamma-ray Space Telescope
Abstract

The GAMMA-400 gamma-ray telescope with excellent angular and energy resolutions is designed to search for signatures of dark matter in the fluxes of gamma-ray emission and electrons + positrons. Precision investigations of gamma-ray emission from Galactic Center, Crab, Vela, Cygnus, Geminga, and other regions will be performed, as well as diffuse gamma-ray emission, along with measurements of high-energy electron + positron and nuclei fluxes. Furthermore, it will study gamma-ray bursts and gamma-ray emission from the Sun during periods of solar activity. The GAMMA-400 energy range is expected to be from ~20 MeV up to TeV energies for gamma rays, up to 10 TeV for electrons + positrons, and up to 1015 eV for cosmic-ray nuclei. For 100-GeV gamma rays, the GAMMA-400 angular resolution is ~0.01° and energy resolution is ~1%; the proton rejection factor is ~5x105. GAMMA-400 will be installed onboard the Russian space observatory.[object Object]

Published
2016

96. The high energy cosmic ray particle spectra measurements with the PAMELA calorimeter

Author

A. G. Mayorov, C. De Santis, Alfonso Monaco, Yu. T. Yurkin, Valerio Formato, M. Merge, Sergey Koldashov, R. Carbone, Sergey Koldobskiy, G. C. Barbarino, Alexey Leonov, Roberto Bellotti, F. Cafagna, P. Picozza, Ritabrata Sarkar, A. M. Galper, Matteo Martucci, M. Simon, G. Osteria, A. N. Kvashnin, O. Adriani, W. Menn, V. V. Malakhov, L. Marcelli, Mark Pearce, S. B. Ricciarini, V. G. Zverev, A. Vacchi, Nicola Mori, S. A. Voronov, G. Castellini, E. Mocchiutti, A. Bruno, E. A. Bogomolov, P. Papini, E. Vannuccini, Laura Rossetto, M. P. De Pascale, Marco Ricci, Riccardo Munini, M. Bongi, S. Yu. Krutkov, S. Bottai, N. De Simone, A. V. Karelin, G. I. Vasilyev, Mirko Boezio, V. V. Mikhailov, Ugo Giaccari, P. Carlson, M. D. Kheymits, G. Zampa, N. Zampa, G. A. Bazilevskaya, R. Sparvoli, V. Di Felice, V. Bonvicini, P. Spillantini, and Marco Casolino

Subjects
Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, helium, Scintillator, 01 natural sciences, law.invention, Nuclear physics, law, 0103 physical sciences, calorimeter, Calorimeter, Electrons and positrons, Helium, Protons, Neutron detection, Ultra-high-energy cosmic ray, electrons and positrons, 010306 general physics, 010303 astronomy & astrophysics, Physics, Range (particle radiation), protons, Spectrometer, PAMELA detector, Calorimeter (particle physics), Settore FIS/04
Abstract

Up until now there has been limited, contradictive data on the high energy range of the cosmic ray electron-positron, proton and helium spectra. Due to the limitations of the use of a magnetic spectrometer, over 8 years experimental data was processed using information from a sampling electro-magnetic calorimeter, a neutron detector and scintillator detectors. The use of these devices allowed us to successfully obtain the high energy cosmic ray particle spectra measurements. The results of this study clarify previous findings and greaten our understanding of the origin of cosmic rays.

Published
2016

97. Measurement of zero degree inclusive photon energy spectra for s=900GeV proton–proton collisions at LHC

Author

T. Tamura, Raffaello D'Alessandro, K. Fukatsu, Lorenzo Bonechi, Yasushi Muraki, W. C. Turner, T. Mase, Toshiharu Suzuki, M. Bongi, Kimiaki Masuda, Yoshitaka Itow, K. Taki, Hiroaki Menjo, A. L. Perrot, K. Kasahara, S. B. Ricciarini, Alessia Tricomi, P. Papini, Koji Noda, Shoji Torii, O. Adriani, G. Castellini, M. Haguenauer, T. K. Sako, Kiyoshi Kawade, T. Iso, G. Mitsuka, and K. Suzuki

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Proton, Pseudorapidity, Hadron, Cosmic ray, Ultra-high-energy cosmic ray, Photon energy, Spectral line
Abstract

The inclusive photon energy spectra measured by the Large Hadron Collider forward (LHCf) experiment in the very forward region of LHC proton–proton collisions at s = 900 GeV are reported. The results from the analysis of 0.30 nb−1 of data collected in May 2010 in the two pseudorapidity regions of η > 10.15 and 8.77 η 9.46 are compared with the predictions of the hadronic interaction models DPMJET 3.04, EPOS 1.99, PYTHIA 8.145, QGSJET II-03 and SIBYLL 2.1, which are widely used in ultra-high energy cosmic ray experiments. EPOS 1.99 and SIBYLL 2.1 show a reasonable agreement with the spectral shape of the experimental data, whereas they predict lower cross-sections than the data. The other models, DPMJET 3.04, QGSJET II-03 and PYTHIA 8.145, are in good agreement with the data below 300 GeV but predict harder energy spectra than the data above 300 GeV. The results of these comparisons exhibited features similar to those for the previously reported data for s = 7 TeV collisions.

Published
2012

98. PRECISE COSMIC RAYS MEASUREMENTS WITH PAMELA

Author

S. V. Borisov, G. Zampa, S. A. Voronov, N. De Simone, P. Spillantini, E. A. Bogomolov, A. V. Karelin, C. De Santis, William Gillard, Giovanna Jerse, L. Marcelli, A. G. Mayorov, A. Vacchi, Laura Rossetto, V. V. Mikhailov, V. G. Zverev, G. C. Barbarino, G. Osteria, F. Palma, O. Adriani, R. Carbone, S. Bottai, V. Di Felice, N. N. Nikonov, W. Menn, L. Consiglio, Alfonso Monaco, Juan Wu, Roberta Sparvoli, N. Zampa, G. A. Bazilevskaya, S. Y. Krutkov, M. D. Kheymits, L. A. Grishantseva, M. Bongi, V. V. Malakhov, C. Pizzolotto, M. P. De Pascale, Nicola Mori, V. Bonvicini, Y. T. Yurkin, D. Campana, F. Cafagna, A. Bruno, Y. I. Stozhkov, Maria Teresa Ricci, P. Picozza, Roberto Bellotti, Per Carlson, Mirko Boezio, Marco Casolino, E. Mocchiutti, G. I. Vasilyev, A. N. Kvashnin, M. Simon, S. V. Koldashov, A. A. Leonov, A. M. Galper, Ritabrata Sarkar, G. Castellini, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, A., Bruno, O. c., Adriani, Barbarino, Giancarlo, G., Bazilevskaya, R. g., Bellotti, M., Boezio, E., Bogomolov, M., Bongi, V., Bonvicini, S. k., L., S., Bottai, F., Cafagna, D., Campana, R. k., Carbone, P., Carlson, M., Casolino, G., Castellini, Consiglio, Lucia, M. k., De, C. k., De, N. k., De, V. D., Felice, A., Galper, W., Gillard, L., Grishantseva, G. o., Jerse, A., Karelin, M., Kheymit, S., Koldashov, S., Krutkov, A., Kvashnin, A., Leonov, V., Malakhov, L., Marcelli, A., Mayorov, W., Menn, V., Mikhailov, E., Mocchiutti, A. c., Monaco, N. c., Mori, N. j., K., Osteria, Giuseppe, F. k., Palma, P., Papini, M., Pearce, P. k., Picozza, C., Pizzolotto, M., Ricci, S., Ricciarini, L., Rossetto, R., Sarkar, M., Simon, R. k., Sparvoli, P. c., Spillantini, Y., Stozhkov, A., Vacchi, E., Vannuccini, G., Vasilyev, S., Voronov, Y., Yurkin, J., Wu, G., Zampa, N., Zampa, and V., Zverev

Subjects
Physics, Antimatter, Cosmic rays, Dark matter, Solar modulation, Trapped radiation, Engineering (all), PAMELA detector, Astrophysics::High Energy Astrophysical Phenomena, General Engineering, Astronomy, Magnetosphere, Cosmic ray, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Galaxy, law.invention, Positron, Antiproton, law, lcsh:TA1-2040, lcsh:Engineering (General). Civil engineering (General)
Abstract

The PAMELA experiment was launched on board the Resurs-DK1 satellite on June 15th 2006. The apparatus was designed to conduct precision studies of charged cosmic radiation over a wide energy range, from tens of MeV up to several hundred GeV, with unprecedented statistics. In five years of continuous data taking in space, PAMELA accurately measured the energy spectra of cosmic ray antiprotons and positrons, as well as protons, electrons and light nuclei, sometimes providing data in unexplored energetic regions. These important results have shed new light in several astrophysical fields like: an indirect search for Dark Matter, a search for cosmological antimatter (anti-Helium), and the validation of acceleration, transport and secondary production models of cosmic rays in the Galaxy. Some of the most important items of Solar and Magnetospheric physics were also investigated. Here we present the most recent results obtained by the PAMELA experiment. �� Czech Technical University in Prague, 2013.

Published
2013

99. Secondary electron and positron fluxes in the near-Earth space observed in the ARINA and PAMELA experiments

Author

G. C. Barbarino, Roberta Sparvoli, N. Zampa, L. A. Grishantseva, D. Fedele, M. Bongi, N. De Simone, V. Bonvicini, F. Cafagna, M. Simon, Yu. I. Stozhkov, A. A. Leonov, E. Mocchiutti, M. P. De Pascale, A. M. Galper, S. Yu. Krutkov, G. De Rosa, A. N. Kvashnin, G. V. Vasiliev, V. G. Zverev, Lorenzo Bonechi, O. Adriani, Petter Hofverberg, V. V. Malakhov, V. Malvezzi, E. Taddei, V. M. Boezio, Silvio Orsi, W. Menn, S. V. Koldashov, Yu. T. Yurkin, Marco Ricci, V. V. Mikhailov, P. Spillantini, Giuseppe Osteria, P. Carlson, Marco Casolino, A. Vacchi, A. Bruno, M. A. Bzheumikhova, T. D. Campana, Mark Pearce, S. B. Ricciarini, S. Bottai, P. Papini, E. Vannuccini, T. P. Picozza, V. Di Felice, S. A. Voronov, G. Castellini, L. Marcelli, E. A. Bogomolov, G. Zampa, T. R. Bellotti, G. A. Bazilevskaya, O., Adriani, G. A., Bazilevskaya, Barbarino, Giancarlo, T. R., Bellotti, M. A., Bzheumikhova, E. A., Bogomolov, V. M., Boezio, V., Bonvicini, M., Bongi, L., Bonechi, S., Bottai, A., Bruno, A., Vacchi, E., Vannuccini, G. V., Vasiliev, S. A., Voronov, A. M., Galper, L. A., Grishantseva, G., Zampa, N., Zampa, V. G., Zverev, M., Casolino, T. D., Campana, P., Carlson, G., Castellini, F., Cafagna, A. N., Kvashnin, S. V., Koldashov, Krutkov, S. Y. u., A. A., Leonov, V. V., Malakhov, V., Malvezzi, L., Marcelli, W., Menn, V. V., Mikhailov, E., Mocchiutti, S., Orsi, G., Osteria, P., Papini, M. P., Pascale, T. P., Picozza, M., Pearce, DE ROSA, Gianfranca, M., Ricci, S. B., Ricciarini, M., Simon, N., Simone, R., Sparvoli, P., Spillantini, Stozhkov, Y. u. I., E., Taddei, V., Felice, D., Fedele, P., Hofverberg, and Yurkin, Y. u. T.

Subjects
Energy ranges, Elliptic orbit, Astrophysics::High Energy Astrophysical Phenomena, Near-earth spaces, General Physics and Astronomy, Electrons, Geomagnetic equators, Astrophysics, Electron, Secondary electrons, Secondary emission, Settore FIS/04 - Fisica Nucleare e Subnucleare, Elliptical orbits, Nuclear physics, Physics and Astronomy (all), Positrons, Altitude, Positron, Magnetic anomaly, Physics, Range (particle radiation), Geomagnetism, Earth (planet), Physics::Space Physics, Satellite
Abstract

Secondary electron and positron fluxes in the energy range from 3 MeV to 7 GeV were measured with the ARINA and PAMELA spectrometers onboard the Resurs-DK satellite launched on June 15, 2006 into an elliptical orbit with an inclination of 70.4° and an altitude of 350-600 km. It is shown that positrons dominate over electrons by a factor of up to 4-5 in the geomagnetic equator region (L 0.25).

Published
2009

100. Measurement of zero degree single photon energy spectra for s=7 TeV proton–proton collisions at LHC

Author

Katsuaki Kasahara, W. C. Turner, T. Mase, Kimiaki Masuda, A. Viciani, Toshiharu Suzuki, K. Taki, K. Fukatsu, Yasushi Shimizu, Kenji Yoshida, Hiroaki Menjo, T. Tamura, D. Macina, Alessia Tricomi, A. Faus, Koji Noda, Yasushi Muraki, K. Suzuki, M. Nakai, Shoji Torii, Yoshitaka Itow, M. Bongi, Kentaro Kawade, O. Adriani, Takashi Sako, S. B. Ricciarini, P. Papini, A. L. Perrot, M. Haguenauer, G. Castellini, G. Mitsuka, J. Velasco, Raffaello D'Alessandro, Yutaka Matsubara, and Lorenzo Bonechi

Subjects
Massless particle, Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Photon, Large Hadron Collider, Hadron, High Energy Physics::Experiment, Elementary particle, Rapidity, Photon energy, Neutral particle
Abstract

In early 2010, the Large Hadron Collider forward (LHCf) experiment measured very forward neutral particle spectra in LHC proton–proton collisions. From a limited data set taken under the best beam conditions (low beam-gas background and low occurrence of pile-up events), the single photon spectra at s = 7 TeV and pseudo-rapidity (η) ranges from 8.81 to 8.99 and from 10.94 to infinity were obtained for the first time and are reported in this Letter. The spectra from two independent LHCf detectors are consistent with one another and serve as a cross check of the data. The photon spectra are also compared with the predictions of several hadron interaction models that are used extensively for modeling ultra-high energy cosmic-ray showers. Despite conservative estimates for the systematic errors, none of the models agree perfectly with the measurements. A notable difference is found between the data and the DPMJET 3.04 and PYTHIA 8.145 hadron interaction models above 2 TeV where the models predict higher photon yield than the data. The QGSJET II-03 model predicts overall lower photon yield than the data, especially above 2 TeV in the rapidity range 8.81 η 8.99 .

Published
2011

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