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Method of electrons and positrons separations by bremsstrahlung in the PAMELA experiment

Authors :
Mikhailov, V. V.
Adriani, O.
Barbarino, G. C.
Bazilevskaya, G. A.
Bellotti, R.
Boezio, M.
Bogomolov, E. A.
Bongi, M.
Bonvicini, V.
Bottai, S.
Bruno, A.
Francesco Cafagna
Campana, D.
Carbone, R.
Carlson, P.
Casolino, M.
Castellini, G.
Donato, C.
Santis, C.
Simone, N.
Di Felice, V.
Formato, V.
Galper, A. M.
Giaccari, U.
Karelin, A. V.
Kheymits, M. D.
Koldashov, S. V.
Koldobskiy, S.
Krutkov, S. Y.
Kvashnin, A. N.
Leonov, A. A.
Leonov, Y. V.
Malakhov, V.
Marcelli, L.
Martucci, M.
Mayorov, A. G.
Menn, W.
Merge, M.
Mocchiutti, E.
Monaco, A.
Mori, N.
Munini, R.
Osteria, G.
Palma, F.
Papini, L. P.
Pearce, M.
Picozza, P.
Pizzolotto, C.
Ricci, M.
Ricciarini, S. B.
Rossetto, L.
Runtso, M. F.
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.
Mikhailov, V. V.
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 Santis, C.
de Simone, N.
Di Felice, V.
Formato, V.
Galper, A. M.
Giaccari, U.
Karelin, A. V.
Kheymits, M. D.
Koldashov, S. V.
Koldobskiy, S.
Krutkov, S. Y.
Kvashnin, A. N.
Leonov, A. A.
Leonov, Y. V.
Malakhov, V.
Marcelli, L.
Martucci, M.
Mayorov, A. G.
Menn, W.
Merge, M.
Mocchiutti, E.
Monaco, A.
Mori, N.
Munini, R.
Osteria, G.
Palma, F.
Papini, L. P.
Pearce, M.
Picozza, P.
Pizzolotto, C.
Ricci, M.
Ricciarini, S. B.
Rossetto, L.
Runtso, M. F.
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.
Source :
Scopus-Elsevier, INSPIRE-HEP

Abstract

Imaging calorimeter of the PAMELA instrument on board the Resurs DK satellite has high spatial resolution and allows to measure separately electromagnetic showers from electrons and positrons and their bremsstahlung produced in ToF detectors of the instrument. Measuring events with two showers provides proton rejection coefficient more than 104 at energy between 0.5 and 3 GeV. Results of positrons fractions obtained by this method are in agreement with previously published data of the PAMELA experiment at low energy. It confirms in independent way strong positron modulation during period of negative polarity of the Sun magnetic field © 2013 Sociedade Brasileira de Fisica. All Rights Reserved.

Details

Database :
OpenAIRE
Journal :
Scopus-Elsevier, INSPIRE-HEP
Accession number :
edsair.dedup.wf.001..1419b7d2014b5cc520983dc189110a58

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