S. Y. Krutkov
Russian Academy of Sciences
142 Papers
726 Citations
S. Y. Krutkov is an academic researcher from Russian Academy of Sciences. The author has contributed to research in topics: Cosmic ray & PAMELA detector. The author has an hindex of 31, co-authored 142 publications.
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Papers
An anomalous positron abundance in cosmic rays with energies 1.5-100 GeV
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,Lorenzo Bonechi,M. Bongi,V. Bonvicini,S. Bottai,A. Bruno,F. Cafagna,D. Campana,Per Carlson,Marco Casolino,G. Castellini,M. P. De Pascale,G. De Rosa,N. De Simone,V. Di Felice,A. M. Galper,L. A. Grishantseva,Petter Hofverberg,S. V. Koldashov,S. Y. Krutkov,A. N. Kvashnin,A. A. Leonov,V. Malvezzi,L. Marcelli,W. Menn,V. V. Mikhailov,E. Mocchiutti,Silvio Orsi,G. Osteria,P. Papini,Mark Pearce,P. Picozza,Marco Ricci,S. B. Ricciarini,M. Simon,Roberta Sparvoli,Piero Spillantini,Y. I. Stozhkov,Andrea Vacchi,E. Vannuccini,G. I. Vasilyev,S. A. Voronov,Y. T. Yurkin,G. Zampa,N. Zampa,V. G. Zverev +50 more
TL;DR: It is found that the positron fraction increases sharply over much of that range, in a way that appears to be completely inconsistent with secondary sources, and is concluded that a primary source, be it an astrophysical object or dark matter annihilation, is necessary.
PAMELA Measurements of Cosmic-Ray Proton and Helium Spectra
O. Adriani,O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,Lorenzo Bonechi,Lorenzo Bonechi,M. Bongi,V. Bonvicini,S. V. Borisov,S. Bottai,A. Bruno,F. Cafagna,D. Campana,R. Carbone,Per Carlson,Marco Casolino,G. Castellini,L. Consiglio,M. P. De Pascale,C. De Santis,N. De Simone,V. Di Felice,A. M. Galper,William Gillard,L. A. Grishantseva,Giovanna Jerse,A. V. Karelin,S. V. Koldashov,S. Y. Krutkov,A. N. Kvashnin,A. A. Leonov,V. V. Malakhov,V. Malvezzi,L. Marcelli,A. G. Mayorov,W. Menn,V. V. Mikhailov,E. Mocchiutti,Alfonso Monaco,Nicola Mori,Nicola Mori,N. N. Nikonov,G. Osteria,F. Palma,P. Papini,Mark Pearce,P. Picozza,C. Pizzolotto,Marco Ricci,S. B. Ricciarini,Laura Rossetto,Ritabrata Sarkar,M. Simon,Roberta Sparvoli,P. Spillantini,P. Spillantini,Y. I. Stozhkov,Andrea Vacchi,E. Vannuccini,G. I. Vasilyev,S. A. Voronov,Y. T. Yurkin,Juan Wu,G. Zampa,N. Zampa,V. G. Zverev +68 more
TL;DR: PAMELA data challenge the current paradigm of cosmic-ray acceleration in supernova remnants followed by diffusive propagation in the Galaxy and find that the spectral shapes of these two species are different and cannot be described well by a single power law.
Cosmic-Ray Electron Flux Measured by the PAMELA Experiment between 1 and 625 GeV
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,M. Bongi,V. Bonvicini,S. V. Borisov,S. Bottai,A. Bruno,F. Cafagna,D. Campana,R. Carbone,P. Carlson,Marco Casolino,G. Castellini,L. Consiglio,M. P. De Pascale,C. De Santis,N. De Simone,V. Di Felice,A. M. Galper,William Gillard,L. A. Grishantseva,Giovanna Jerse,A. V. Karelin,S. V. Koldashov,S. Y. Krutkov,A. N. Kvashnin,A. A. Leonov,V. V. Malakhov,V. Malvezzi,L. Marcelli,A. G. Mayorov,W. Menn,V. V. Mikhailov,E. Mocchiutti,André Monaco,Nicola Mori,N. N. Nikonov,G. Osteria,F. Palma,P. Papini,Mark Pearce,P. Picozza,C. Pizzolotto,Marco Ricci,S. B. Ricciarini,Laura Rossetto,Ritabrata Sarkar,M. Simon,Roberta Sparvoli,Piero Spillantini,Steven Stochaj,J. C. Stockton,Y. I. Stozhkov,Andrea Vacchi,E. Vannuccini,G. I. Vasilyev,S. A. Voronov,Juan Wu,Y. T. Yurkin,G. Zampa,N. Zampa,V. G. Zverev +65 more
TL;DR: New results regarding negatively charged electrons between 1 and 625 GeV performed by the satellite-borne experiment PAMELA are presented, this is the first time that cosmic-ray e⁻ have been identified above 50 GeV.
Cosmic-Ray Positron Energy Spectrum Measured by PAMELA
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,A. Bianco,Mirko Boezio,E. A. Bogomolov,M. Bongi,V. Bonvicini,S. Bottai,A. Bruno,F. Cafagna,D. Campana,R. Carbone,P. Carlson,Marco Casolino,G. Castellini,C. De Donato,C. De Santis,N. De Simone,V. Di Felice,Valerio Formato,A. M. Galper,A. V. Karelin,S. V. Koldashov,Sergey Koldobskiy,S. Y. Krutkov,A. N. Kvashnin,A. A. Leonov,V. V. Malakhov,L. Marcelli,Matteo Martucci,A. G. Mayorov,W. Menn,M. Merge,V. V. Mikhailov,E. Mocchiutti,André Monaco,Nicola Mori,Riccardo Munini,G. Osteria,F. Palma,P. Papini,Mark Pearce,P. Picozza,C. Pizzolotto,Marco Ricci,S. B. Ricciarini,Laura Rossetto,Ritabrata Sarkar,Valentina Scotti,M. Simon,Roberta Sparvoli,Piero Spillantini,Steven Stochaj,J. C. Stockton,Y. I. Stozhkov,Andrea Vacchi,E. Vannuccini,G. I. Vasilyev,S. A. Voronov,Y. T. Yurkin,G. Zampa,N. Zampa,V. G. Zverev +64 more
TL;DR: The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray positron flux and fraction that extends previously published measurements up to 300 GeV in kinetic energy.
Measurement of boron and carbon fluxes in cosmic rays with the PAMELA experiment
O. Adriani,Giancarlo Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,Massimo Bongi,V. Bonvicini,S. Bottai,A. Bruno,F. Cafagna,D. Campana,R. Carbone,Per Carlson,Marco Casolino,G. Castellini,I. A. Danilchenko,C. De Donato,C. De Santis,N. De Simone,V. Di Felice,Valerio Formato,A. M. Galper,A. V. Karelin,Sergey Koldashov,Sergey Koldobskiy,S. Y. Krutkov,A. N. Kvashnin,Alexey Leonov,V. V. Malakhov,L. Marcelli,M. Martucci,A. G. Mayorov,W. Menn,M. Merge,V. V. Mikhailov,E. Mocchiutti,Alfonso Monaco,Nicola Mori,R. Munini,Giuseppe Osteria,F. Palma,B. Panico,Paolo Papini,Mark Pearce,P. Picozza,C. Pizzolotto,M. Ricci,S. B. Ricciarini,Laura Rossetto,Ritabrata Sarkar,V. Scotti,M. Simon,Roberta Sparvoli,Piero Spillantini,Yuri Stozhkov,Andrea Vacchi,E. Vannuccini,G. Vasilyev,S. A. Voronov,Y. T. Yurkin,Gianluigi Zampa,N. Zampa,V. G. Zverev +63 more
TL;DR: In this article, the absolute fluxes of boron and carbon nuclei, as well as the B/C ratio, from the PAMELA space experiment were investigated.