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1. Lithium and Beryllium Isotopes with the PAMELA Experiment

Author

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

Subjects
Physics - Instrumentation and Detectors, FOS: Physical sciences, chemistry.chemical_element, Cosmic ray, 01 natural sciences, Nuclear physics, cosmic rays, 0103 physical sciences, astroparticle physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), 010303 astronomy & astrophysics, High Energy Astrophysical Phenomena (astro-ph.HE), Settore FIS/01, Astroparticle physics, Physics, 010308 nuclear & particles physics, Astronomy and Astrophysics, Instrumentation and Detectors (physics.ins-det), Isotopic composition, chemistry, Space and Planetary Science, Lithium, Beryllium, Orbit (control theory), Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, Isotopes of beryllium
Abstract

The cosmic-ray lithium and beryllium ($^{6}$Li, $^{7}$Li, $^{7}$Be, $^{9}$Be, $^{10}$Be) isotopic composition has been measured with the satellite-borne experiment PAMELA, which was launched into low-Earth orbit on-board the Resurs-DK1 satellite on June 15th 2006. The rare lithium and beryllium isotopes in cosmic rays are believed to originate mainly from the interaction of high energy carbon, nitrogen and oxygen nuclei with the interstellar medium (ISM), but also on "tertiary" interactions in the ISM (i.e. produced by further fragmentation of secondary beryllium and boron). In this paper the isotopic ratios $^{7}$Li/$^{6}$Li and $^{7}$Be/($^{9}$Be + $^{10}$Be) measured between 150 and 1100 MeV/n using two different detector systems from July 2006 to September 2014 will be presented., 13 pages, 11 figures, accepted for publication in the Astrophysical Journal. arXiv admin note: text overlap with arXiv:1512.06535

Published
2018
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2. Unexpected Cyclic Behavior in Cosmic-Ray Protons Observed by PAMELA at 1 au

Author

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

Subjects
Hadron, FOS: Physical sciences, Cosmic ray, Astrophysics, 01 natural sciences, cosmic rays, Physics - Space Physics, 0103 physical sciences, Sun: heliosphere, 010306 general physics, 010303 astronomy & astrophysics, Solar and Stellar Astrophysics (astro-ph.SR), cosmic ray, Earth and Planetary Astrophysics (astro-ph.EP), Settore FIS/01, Physics, Range (particle radiation), Stellar atmosphere, Astronomy and Astrophysics, Space Physics (physics.space-ph), Baryon, Stars, Astrophysics - Solar and Stellar Astrophysics, Space and Planetary Science, Heliosphere, Main sequence, Astrophysics - Earth and Planetary Astrophysics
Abstract

Protons detected by the PAMELA experiment in the period 2006-2014 have been analyzed in the energy range between 0.40-50 GV to explore possible periodicities besides the well known solar undecennial modulation. An unexpected clear and regular feature has been found at rigidities below 15 GV, with a quasi-periodicity of $\sim$450 days. A possible Jovian origin of this periodicity has been investigated in different ways. The results seem to favor a small but not negligible contribution to cosmic rays from the Jovian magnetosphere, even if other explanations cannot be excluded., article 4 figures, 1 table

Published
2018
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3. MEASUREMENTS OF COSMIC-RAY HYDROGEN AND HELIUM ISOTOPES WITH THEPAMELAEXPERIMENT

Author

Mark Pearce, A. G. Mayorov, D. Campana, Yu. T. Yurkin, E. Vannuccini, E. A. Bogomolov, Valerio Formato, S. A. Voronov, F. Cafagna, G. A. Bazilevskaya, Andrea Vacchi, F. Palma, A. V. Karelin, V. Di Felice, Alexey Leonov, G. Vasilyev, S. Y. Krutkov, Massimo Bongi, Sergey Koldashov, Alfonso Monaco, Paolo Papini, Nicola Mori, C. De Donato, Sergey Koldobskiy, Ritabrata Sarkar, V. Scotti, P. Picozza, E. Mocchiutti, V. V. Mikhailov, A. Bruno, Giancarlo Barbarino, Giuseppe Osteria, W. Menn, R. Munini, S. B. Ricciarini, Roberta Sparvoli, Michal Simon, O. Adriani, L. Marcelli, M. Merge, Piero Spillantini, M. Martucci, G. Castellini, N. Zampa, V. V. Malakhov, Mirko Boezio, Roberto Bellotti, C. De Santis, S. Bottai, A. M. Galper, M. Ricci, A. N. Kvashnin, N. De Simone, B. Panico, Gianluigi Zampa, Per Carlson, Marco Casolino, V. Bonvicini, Yuri Stozhkov, 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., 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
Solar minimum, Hydrogen, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, chemistry.chemical_element, Cosmic ray, 01 natural sciences, Nuclear physics, cosmic rays, 0103 physical sciences, Physics::Atomic Physics, astroparticle physics, Nuclear Experiment, 010303 astronomy & astrophysics, Isotopes of helium, Helium, High Energy Astrophysical Phenomena (astro-ph.HE), Settore FIS/01, Astroparticle physics, Physics, Isotope, 010308 nuclear & particles physics, Astronomy and Astrophysics, Space and Planetary Science, Interstellar medium, chemistry, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The cosmic-ray hydrogen and helium ($^1$H, $^2$H, $^3$He, $^4$He) isotopic composition has been measured with the satellite-borne experiment PAMELA, which was launched into low-Earth orbit on-board the Resurs-DK1 satellite on June 15th 2006. The rare isotopes $^2$H and $^3$He in cosmic rays are believed to originate mainly from the interaction of high energy protons and helium with the galactic interstellar medium. The isotopic composition was measured between 100 and 1100 MeV/n for hydrogen and between 100 and 1400 MeV/n for helium isotopes using two different detector systems over the 23rd solar minimum from July 2006 to December 2007., 22 pages, 17 figures, Accepted for publication on the Astrophysical Journal

Published
2016
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4. MEASUREMENT OF BORON AND CARBON FLUXES IN COSMIC RAYS WITH THE PAMELA EXPERIMENT

Author

A. G. Mayorov, Mark Pearce, D. Campana, Piero Spillantini, S. Y. Krutkov, C. De Donato, Yuri Stozhkov, W. Menn, C. De Santis, Roberta Sparvoli, P. Picozza, G. Vasilyev, V. G. Zverev, Y. T. Yurkin, E. Vannuccini, V. Di Felice, F. Palma, R. Munini, N. De Simone, V. V. Malakhov, Paolo Papini, Sergey Koldashov, S. B. Ricciarini, B. Panico, Gianluigi Zampa, O. Adriani, C. Pizzolotto, L. Marcelli, F. Cafagna, R. Carbone, E. A. Bogomolov, M. Simon, Valerio Formato, M. Merge, Marco Casolino, Per Carlson, M. Martucci, G. Castellini, V. V. Mikhailov, S. A. Voronov, Massimo Bongi, Nicola Mori, N. Zampa, E. Mocchiutti, G. A. Bazilevskaya, A. Bruno, S. Bottai, I. A. Danilchenko, Andrea Vacchi, Alexey Leonov, M. Ricci, Laura Rossetto, V. Bonvicini, Ritabrata Sarkar, V. Scotti, Sergey Koldobskiy, Giancarlo Barbarino, Giuseppe Osteria, Mirko Boezio, A. V. Karelin, Roberto Bellotti, A. M. Galper, A. N. Kvashnin, Alfonso Monaco, 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., 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, 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, Riccardo, Osteria, G., Palma, F., Panico, B., Papini, P., Pearce, M., Piccozza, P., Pizzolotto, C., Ricci, M., Ricciarini, S. B., Rossetto, L., 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., Zverev, V. G., Adriani, O. b., Barbarino, Giancarlo, Bazilevskaya, G., Bellotti, R. g., Bogomolov, E., Bongi, M. b., Bruno, A. g., Casolino, M. l., Danilchenko, I., C. o., De, Simone, N. D., Felice, V. p., Formato, V. q., Galper, A., Karelin, A., Koldashov, S., Krutkov, S., Kvashnin, A., Marcelli, L. o., Martucci, M. r., Mayorov, A., Merg��, M. o., Mikhailov, V., Monaco, A. g., Mori, N. t., Munini, R. q., Osteria, Giuseppe, Palma, F. o., Picozza, P. o., Pizzolotto, C. u., Ricciarini, S. m., Scotti, V. d., Sparvoli, R. o., Spillantini, P. b., Stozhkov, Y., Voronov, S., Yurkin, Y., and Zverev, V.

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), Astroparticle physics, Physics, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, chemistry.chemical_element, Astronomy and Astrophysics, Cosmic ray, PAMELA, cosmic rays, boron carbon, Kinetic energy, Spectral line, Galaxy, Settore FIS/04 - Fisica Nucleare e Subnucleare, astroparticle physics, cosmic rays, Space and Planetary Science, boron carbon, Nuclear physics, chemistry, PAMELA, Astrophysics - High Energy Astrophysical Phenomena, Boron, Carbon, Dimensionless quantity
Abstract

The propagation of cosmic rays inside our galaxy plays a fundamental role in shaping their injection spectra into those observed at Earth. One of the best tools to investigate this issue is the ratio of fluxes for secondary and primary species. The boron-to-carbon (B/C) ratio, in particular, is a sensitive probe to investigate propagation mechanisms. This paper presents new measurements of the absolute fluxes of boron and carbon nuclei as well as the B/C ratio from the PAMELA space experiment. The results span the range 0.44-129 GeV/n in kinetic energy for data taken in the period 2006 July to 2008 March. �� 2014. The American Astronomical Society. All rights reserved.

Published
2014
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5. MEASUREMENT OF THE ISOTOPIC COMPOSITION OF HYDROGEN AND HELIUM NUCLEI IN COSMIC RAYS WITH THE PAMELA EXPERIMENT

Author

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

Subjects
Solar minimum, Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, chemistry.chemical_element, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Spectral line, Settore FIS/04 - Fisica Nucleare e Subnucleare, Nuclear physics, cosmic rays, Physics::Atomic Physics, Nuclear Experiment, Isotopes of helium, Helium, High Energy Astrophysical Phenomena (astro-ph.HE), Astroparticle physics, Physics, Isotope, Astronomy and Astrophysics, Cosmic Rays, Galaxy, astroparticle physics, Space and Planetary Science, chemistry, Astrophysics - High Energy Astrophysical Phenomena
Abstract

The satellite-borne experiment PAMELA has been used to make new measurements of cosmic ray H and He isotopes. The isotopic composition was measured between 100 and 600 MeV/n for hydrogen and between 100 and 900 MeV/n for helium isotopes over the 23rd solar minimum from July 2006 to December 2007. The energy spectrum of these components carries fundamental information regarding the propagation of cosmic rays in the galaxy which are competitive with those obtained from other secondary to primary measurements such as B/C., 11 pages, 11 figures, 5 tables. To appear in Astrophysical Journal

Published
2013
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