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  • Adriani, O. (author)

A statistical procedure for the identification of positrons in the PAMELA experiment

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • Elsevier BV,2010
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-46635
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-46635URI
  • https://doi.org/10.1016/j.astropartphys.2010.04.007DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20111108
  • The PAMELA satellite experiment has measured the cosmic-ray positron fraction between 1.5 GeV and 100 GeV. The need to reliably discriminate between the positron signal and proton background has required the development of an ad hoc analysis procedure. In this paper, a method for positron identification is described and its stability and capability to yield a correct background estimate is shown. The analysis includes new experimental data, the application of three different fitting techniques for the background sample and an estimate of systematic uncertainties due to possible inaccuracies in the background selection. The new experimental results confirm both solar modulation effects on cosmic-rays with low rigidities and an anomalous positron abundance above 10 GeV. (c) 2010 Elsevier B.V. All rights reserved.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Barbarino, G. C. (author)
  • Bazilevskaya, G. A. (author)
  • Bellotti, R. (author)
  • Boezio, M. (author)
  • Bogomolov, E. A. (author)
  • Bonechi, L. (author)
  • Bongi, M. (author)
  • Bonvicini, V. (author)
  • Borisov, S. (author)
  • Bottai, S. (author)
  • Bruno, A. (author)
  • Cafagna, F. (author)
  • Campana, D. (author)
  • Carbone, R. (author)
  • Carlson, PerKTH,Partikel- och astropartikelfysik(Swepub:kth)u1ua4u32 (author)
  • Casolino, M. (author)
  • Castellini, G. (author)
  • Consiglio, L. (author)
  • De Pascale, M. P. (author)
  • De Santis, C. (author)
  • De Simone, N. (author)
  • Di Felice, V. (author)
  • Galper, A. M. (author)
  • Gillard, W. (author)
  • Grishantseva, L. (author)
  • Hofverberg, PetterKTH,Fysik,Albanova VinnExcellence Center for Protein Technology, ProNova(Swepub:kth)u1i33ozx (author)
  • Jerse, G. (author)
  • Koldashov, S. V. (author)
  • Krutkov, S. Y. (author)
  • Kvashnin, A. N. (author)
  • Leonov, A. (author)
  • Malvezzi, V. (author)
  • Marcelli, L. (author)
  • Menn, W. (author)
  • Mikhailov, V. V. (author)
  • Mocchiutti, E. (author)
  • Monaco, A. (author)
  • Mori, N. (author)
  • Nikonov, N. (author)
  • Osteria, G. (author)
  • Papini, P. (author)
  • Pearce, Mark,1970-KTH,Partikel- och astropartikelfysik(Swepub:kth)u17jptna (author)
  • Picozza, P. (author)
  • Ricci, M. (author)
  • Ricciarini, S. B. (author)
  • Rossetto, L. (author)
  • Simon, M. (author)
  • Sparvoli, R. (author)
  • Spillantini, P. (author)
  • Stozhkov, Y. I. (author)
  • Vacchi, A. (author)
  • Vannuccini, E. (author)
  • Vasilyev, G. (author)
  • Voronov, S. A. (author)
  • Wu, JuanKTH,Partikel- och astropartikelfysik(Swepub:kth)u1y0e14w (author)
  • Yurkin, Y. T. (author)
  • Zampa, G. (author)
  • Zampa, N. (author)
  • Zverev, V. G. (author)
  • Marinucci, D. (author)
  • KTHPartikel- och astropartikelfysik (creator_code:org_t)

Related titles

  • In:Astroparticle physics: Elsevier BV34:1, s. 1-110927-65051873-2852

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