G
G. A. Bazilevskaya
Researcher at Lebedev Physical Institute
Publications - Ā 128
Citations - Ā 5608
G. A. Bazilevskaya is an academic researcher from Lebedev Physical Institute. The author has contributed to research in topics: Cosmic ray & PAMELA detector. The author has an hindex of 27, co-authored 119 publications receiving 5220 citations.
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Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
The PAMELA Mission: Heralding a new era in precision cosmic ray physics
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,M. Bongi,V. Bonvicini,S. Bottai,A. Bruno,F. Cafagna,D. Campana,R. Carbone,P. Carlson,P. Carlson,Marco Casolino,G. Castellini,M. P. De Pascale,C. De Santis,N. De Simone,V. Di Felice,Valerio Formato,A. M. Galper,Ugo Giaccari,A. V. Karelin,M. D. Kheymits,Sergey Koldashov,Sergey Koldobskiy,S.Yu. Krutākov,A. N. Kvashnin,A. A. Leonov,V. V. Malakhov,L. Marcelli,Matteo Martucci,A. G. Mayorov,W. Menn,V. V. Mikhailov,E. Mocchiutti,Alfonso Monaco,Nicola Mori,Riccardo Munini,N. N. Nikonov,G. Osteria,P. Papini,Mark Pearce,Mark Pearce,P. Picozza,C. Pizzolotto,Marco Ricci,S. B. Ricciarini,Laura Rossetto,Laura Rossetto,Ritabrata Sarkar,M. Simon,Roberta Sparvoli,P. Spillantini,Y. I. Stozhkov,Andrea Vacchi,E. Vannuccini,G. I. Vasilyev,S. A. Voronov,Juan Wu,Juan Wu,Juan Wu,Y. T. Yurkin,G. Zampa,N. Zampa,V. G. Zverev +67 more
TL;DR: The PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) satellite-borne experiment was launched onboard the Russian Resurs-DK1 satellite by a...
Journal ArticleDOI
A statistical procedure for the identification of positrons in the PAMELA experiment
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,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,Petter Hofverberg,Giovanna Jerse,S. V. Koldashov,S. Y. Krutkov,A. N. Kvashnin,A. A. Leonov,V. Malvezzi,L. Marcelli,W. Menn,V. V. Mikhailov,E. Mocchiutti,Alfonso Monaco,Nicola Mori,N. N. Nikonov,G. Osteria,P. Papini,Mark Pearce,P. Picozza,Marco Ricci,S. B. Ricciarini,Laura Rossetto,M. Simon,Roberta Sparvoli,Piero Spillantini,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,Domenico Marinucci +60 more
TL;DR: The PAMELA satellite experiment has measured the cosmic-ray positron fraction between 1.5 GeV and 100 GeV, and the need to reliably discriminate between the positron signal and proton background has required the development of an ad hoc analysis procedure.
Journal ArticleDOI
Time dependence of the proton flux measured by pamela during the 2006 july-2009 december solar minimum
O. Adriani,G. C. Barbarino,G. A. Bazilevskaya,Roberto Bellotti,Mirko Boezio,E. A. Bogomolov,Massimo Bongi,V. Bonvicini,S. Bottai,A. Bruno,F. Cafagna,D. Campana,Per Carlson,Marco 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,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,Alfonso Monaco,Nicola Mori,Riccardo Munini,G. Osteria,F. Palma,Beatrice Panico,P. Papini,Mark Pearce,P. Picozza,Marco Ricci,S. B. Ricciarini,Ritabrata Sarkar,Valentina Scotti,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,M. S. Potgieter,Etienne Vos +60 more
TL;DR: In this article, the authors measured the proton spectra of the Sun from 2006 July to 2009 December by PAMELA and compared the data with a state-of-the-art three-dimensional model of solar modulation.