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9 results on '"Bonvicini, V."'

1. Time dependence of the helium flux measured by PAMELA

Author

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, QC1-999
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
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2. New stage in high-energy gamma-ray studies with GAMMA-400 after Fermi-LAT

Author

Topchiev N.P., Galper A.M., Bonvicini V., Adriani O., Arkhangelskaja I.V., Arkhangelskiy A.I., Bakaldin A.V., Bobkov S.G., Boezio M., Dalkarov O.D., Egorov A.E., Gorbunov M.S., Gusakov Yu.V., Hnatyk B.I., Kadilin V.V., Kaplin V.A., Kheymits M.D., Korepanov V.E., Leonov A.A., Longo F., Mikhailov V.V., Mocchiutti E., Moiseev A.A., Moskalenko I.V., Naumov P.Yu., Picozza P., Runtso M.F., Serdin O.V., Sparvoli R., Spillantini P., Stozhkov Yu.I., Suchkov S.I., Taraskin A.A., Tavani M., Yurkin Yu.T., and Zverev V.G.

Subjects
Physics, QC1-999
Abstract

Fermi-LAT has made a significant contribution to the study of high-energy gamma-ray diffuse emission and the observations of 3000 discrete sources. However, one third of all gamma-ray sources (both galactic and extragalactic) are unidentified, the data on the diffuse gamma-ray emission should be clarified, and signatures of dark matter particles in the high-energy gamma-ray range are not observed up to now. GAMMA-400, the currently developing gamma-ray telescope, will have angular (∼0.01∘ at 100 GeV) and energy (∼1% at 100 GeV) resolutions in the energy range of 10–1000 GeV which are better than Fermi-LAT (as well as ground gamma-ray telescopes) by a factor of 5–10. It will observe some regions of the Universe (such as the Galactic Center, Fermi Bubbles, Crab, Cygnus, etc.) in a highly elliptic orbit (without shading the telescope by the Earth) continuously for a long time. It will allow us to identify many discrete sources, to clarify the structure of extended sources, to specify the data on the diffuse emission, and to resolve gamma rays from dark matter particles.

Published
2017
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3. CaloCube: a novel calorimeter for high-energy cosmic rays in space

Author

Rappoldi A., Cattaneo P.W., 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.S., Miritello M., Mori N., Olmi M., Orzan G., Pacini L., Papini P., Pellegriti M.G., Pirzio F., Ricciarini S., Spillantini P., Starodubtsev O., Stolzi F., Suh J.E., Sulaj A., Tiberio A., Tricomi A., Trifirò A., Trimarchi M., Vannuccini E., Vedda A., Zampa G., and Zampa N.

Subjects
Physics, QC1-999
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 Čerenkov signals from CsI crystals verified.

Published
2017
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4. PAMELA mission: heralding a new era in cosmic ray physics

Author

Ricciarini S. B., 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., De Donato C., De Pascale M.P., De Santis C., De Simone N., Di Felice V., Formato V., Galper A.M., Karelin A.V., Kheymits M.D., Koldashov S.V., Koldobskiy S., Krutkov S.Yu., 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., Pizzolotto C., Ricci M., Sarkar R., Simon M., Scotti V., 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, QC1-999
Abstract

After seven years of data taking in space, the experiment PAMELA is showing very interesting features in cosmic rays, namely in the fluxes of protons, helium, electrons, that might change our basic vision of the mechanisms of production, acceleration and propagation of cosmic rays in the galaxy. In addition, PAMELA measurements of cosmic antiproton and positron fluxes are setting strong constraints to the nature of Dark Matter. The continuous particle detection is allowing a constant monitoring of the solar activity and detailed study of the solar modulation for a long period, giving important improvements to the comprehension of the heliosphere mechanisms. PAMELA is also measuring the radiation environment around the Earth, and has recently discovered an antiproton radiation belt.

Published
2014
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5. CaloCube: A novel calorimeter for high-energy cosmic rays in space

Author

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, Zampa, N, Cattaneo, PW, Marrocchesi, PS, Pellegriti, MG, Suh, JE, 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, Zampa, N, Cattaneo, PW, Marrocchesi, PS, Pellegriti, MG, and Suh, JE

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

6. New stage in high-energy gamma-ray studies with GAMMA-400 after Fermi-LAT

Author

Piero Spillantini, A. I. Arkhangelskiy, V. V. Kadilin, S. G. Bobkov, A. E. Egorov, S. I. Suchkov, O. Adriani, Igor V. Moskalenko, Alexander Moiseev, Yu. I. Stozhkov, P. Yu. Naumov, Vladimir Kaplin, V. Bonvicini, E. Mocchiutti, Marco Tavani, P. Picozza, Maxim S. Gorbunov, A. A. Taraskin, I. V. Arkhangelskaja, N. P. Topchiev, V.G. Zverev, O. V. Serdin, Mirko Boezio, A. V. Bakaldin, A. M. Galper, Yu. V. Gusakov, V. V. Mikhailov, Bohdan Hnatyk, Valery Korepanov, Francesco Longo, Roberta Sparvoli, Alexey Leonov, M. F. Runtso, O. D. Dalkarov, M. D. Kheymits, Yu. T. Yurkin, Nicolay Kolachevsky, Oleg Dalkarov, Topchiev, N. P., Galper, A. M., Bonvicini, V., Adriani, O., Arkhangelskaja, I. V., Arkhangelskiy, A. I., Bakaldin, A. V., Bobkov, S. G., Boezio, M., Dalkarov, O. D., Egorov, A. E., Gorbunov, M. S., Gusakov, Yu. V., Hnatyk, B. I., Kadilin, V. V., Kaplin, V. A., Kheymits, M. D., Korepanov, V. E., Leonov, A. A., Longo, F., Mikhailov, V. V., Mocchiutti, E., Moiseev, A. A., Moskalenko, I. V., Naumov, P. Yu., Picozza, P., Runtso, M. F., Serdin, O. V., Sparvoli, R., Spillantini, P., Stozhkov, Yu. I., Suchkov, S. I., Taraskin, A. A., Tavani, M., Yurkin, Yu. T., and Zverev, V. G.

Subjects
Elliptic orbit, gamma-ray satellites, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, gamma-ray astrophysic, Dark matter, 02 engineering and technology, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, law.invention, Telescope, law, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, Physics, Settore FIS/01, Gamma Ray, GAMMA400, Range (particle radiation), Galactic Center, Gamma ray, 020206 networking & telecommunications, gamma-ray astrophysics, Stage (hydrology), Fermi Gamma-ray Space Telescope
Abstract

Fermi-LAT has made a significant contribution to the study of high-energy gamma-ray diffuse emission and the observations of 3000 discrete sources. However, one third of all gamma-ray sources (both galactic and extragalactic) are unidentified, the data on the diffuse gamma-ray emission should be clarified, and signatures of dark matter particles in the high-energy gamma-ray range are not observed up to now. GAMMA-400, the currently developing gamma-ray telescope, will have angular (∼0.01∘ at 100 GeV) and energy (∼1% at 100 GeV) resolutions in the energy range of 10–1000 GeV which are better than Fermi-LAT (as well as ground gamma-ray telescopes) by a factor of 5–10. It will observe some regions of the Universe (such as the Galactic Center, Fermi Bubbles, Crab, Cygnus, etc.) in a highly elliptic orbit (without shading the telescope by the Earth) continuously for a long time. It will allow us to identify many discrete sources, to clarify the structure of extended sources, to specify the data on the diffuse emission, and to resolve gamma rays from dark matter particles.

Published
2017

7. 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

8. 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

9. PAMELA mission: heralding a new era in cosmic ray physics

Author

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

Subjects
Antimatter, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, space experiment, Dark matter, Particle detectors, Cosmic ray, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Earth's magnetosphere, Settore FIS/04 - Fisica Nucleare e Subnucleare, Physics and Astronomy (all), Heliosphere, symbols.namesake, PAMELA, PAMELA, space experiment, cosmic rays, antimatter, darkmatter, Cosmic rays, Physics, COSMIC cancer database, darkmatter, Astronomy, Galaxy, Antiproton, Van Allen radiation belt, Physics::Space Physics, symbols
Abstract

After seven years of data taking in space, the experiment PAMELA is showing very interesting features in cosmic rays, namely in the fluxes of protons, helium, electrons, that might change our basic vision of the mechanisms of production, acceleration and propagation of cosmic rays in the galaxy. In addition, PAMELA measurements of cosmic antiproton and positron fluxes are setting strong constraints to the nature of Dark Matter. The continuous particle detection is allowing a constant monitoring of the solar activity and detailed study of the solar modulation for a long period, giving important improvements to the comprehension of the heliosphere mechanisms. PAMELA is also measuring the radiation environment around the Earth, and has recently discovered an antiproton radiation belt. ?????? Owned by the authors, published by EDP Sciences, 2014.

Published
2014

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