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Search for solar axions produced in the p(d,He3)A reaction with Borexino detector

  • G. Bellini
  • , J. Benziger
  • , D. Bick
  • , G. Bonfini
  • , D. Bravo
  • , M. Buizza Avanzini
  • , B. Caccianiga
  • , L. Cadonati
  • , F. Calaprice
  • , C. Carraro
  • , P. Cavalcante
  • , A. Chavarria
  • , D. D'Angelo
  • , S. Davini
  • , A. Derbin
  • , A. Etenko
  • , K. Fomenko
  • , D. Franco
  • , C. Galbiati
  • , S. Gazzana
  • C. Ghiano, M. Giammarchi, M. Goeger-Neff, A. Goretti, L. Grandi, E. Guardincerri, S. Hardy, Aldo Ianni, Andrea Ianni, A. Kayunov, A. Kobychev, D. Korablev, G. Korga, Y. Koshio, D. Kryn, M. Laubenstein, L. Lewke, E. Litvinovich, B. Loer, F. Lombardi, P. Lombardi, L. Ludhova, I. MacHulin, S. Manecki, W. Maneschg, G. Manuzio, Q. Meindl, E. Meroni, L. Miramonti, M. Misiaszek, D. Montanari, P. Mosteiro, V. Muratova, L. Oberauer, M. Obolensky, F. Ortica, K. Otis, M. Pallavicini, L. Papp, L. Perasso, S. Perasso, A. Pocar, R. S. Raghavan, G. Ranucci, A. Razeto, A. Re, P. A. Romani, A. Sabelnikov, R. Saldanha, C. Salvo, S. Schönert, H. Simgen, M. Skorokhvatov, O. Smirnov, A. Sotnikov, S. Sukhotin, Y. Suvorov, R. Tartaglia, G. Testera, D. Vignaud, R. B. Vogelaar, F. Von Feilitzsch, J. Winter, M. Wojcik, A. Wright, M. Wurm, J. Xu, O. Zaimidoroga, S. Zavatarelli, G. Zuzel
  • University of Milan
  • Department of Chemical Engineering
  • Universität Hamburg
  • Laboratori Nazionali del Gran Sasso
  • Virginia Polytechnic Institute and State University
  • University of Massachusetts Amherst
  • Princeton University
  • Istituto Nazionale per la Fisica della Materia
  • Petersburg Nuclear Phys. Inst.
  • National Research Centre "Kurchatov Institute"
  • Joint Inst. for Nuclear Research
  • Université Paris Diderot
  • Technical University of Munich
  • Institute for Nuclear Research
  • Max-Planck-Institut für Kernphysik
  • Jagiellonian University
  • INFN Sezione di Perugia

Research output: Contribution to journalArticlepeer-review

87 Scopus citations

Abstract

A search for 5.5 MeV solar axions produced in the p+d→He3+A (5.5 MeV) reaction was performed using the Borexino detector. The Compton conversion of axions to photons, A+e→e+γ; the axioelectric effect, A+e+Z→e+Z; the decay of axions into two photons, A→2γ; and inverse Primakoff conversion on nuclei, A+Z→γ+Z, are considered. Model-independent limits on axion-electron (g Ae), axion-photon (g ), and isovector axion-nucleon (g 3AN) couplings are obtained: |g Ae×g 3AN|≤5.5×10 -13 and |g ×g 3AN|≤4.6×10 -11GeV -1 at m A<1MeV (90% confidence level). These limits are 2-4 orders of magnitude stronger than those obtained in previous laboratory-based experiments using nuclear reactors and accelerators.

Original languageEnglish
Article number092003
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume85
Issue number9
DOIs
StatePublished - 4 May 2012

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