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Deutsche Physikalische Gessellschaft IOP Institute of Physics

PAMELA and indirect dark matter searches

Focus on Dark Matter and Particle Physics

M Boezio1, M Pearce2, P Picozza3,4, R Sparvoli3,4, P Spillantini5,6, O Adriani5,6, G C Barbarino7,8, G A Bazilevskaya9, R Bellotti10,11, E A Bogomolov12, L Bonechi5,6, M Bongi6, V Bonvicini1, S Borisov3,4,13, S Bottai6, A Bruno10,11, F Cafagna11, D Campana8, R Carbone3,8, P Carlson2, M Casolino4, G Castellini14, L Consiglio8, M P De Pascale3,4, C De Santis4, N De Simone3,4, V Di Felice3,4, A M Galper13, L Grishantseva13, W Gillard2, P Hofverberg2, S V Koldashov13, S Y Krutkov12, A N Kvashnin9, A Leonov13, V Malvezzi4, L Marcelli4, W Menn15, V V Mikhailov13, E Mocchiutti1, N Mori6, N Nikonov3,4,12, G Osteria8, P Papini6, M Ricci16, S B Ricciarini6, M Simon15, Y I Stozhkov9, A Vacchi1, E Vannuccini6, G Vasilyev11, S A Voronov13, Y T Yurkin13, G Zampa1, N Zampa1 and V G Zverev13

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Part of Focus on Dark Matter and Particle Physics

We present a review of the experimental results obtained by PAMELA in measuring the (p, \skew3\bar{p}) and e± abundance in cosmic rays. In this context, we discuss the interpretation of the observed anomalous positron excess in terms of the annihilation of dark matter particles as well as in terms of standard astrophysical sources. Moreover we show the constraints on dark matter models from \bar{p} data.


PACS

96.50.sb Composition, energy spectra and interactions

98.80.Es Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc)

95.35.+d Dark matter (stellar, interstellar, galactic, and cosmological)

Subjects

Gravitation and cosmology

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 10 (October 2009)

Received 7 May 2009

Published 16 October 2009



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