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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 Milano
  • Princeton University
  • Universität Hamburg
  • Laboratori Nazionali del Gran Sasso
  • Virginia Polytechnic Institute and State University
  • UMass Amherst
  • Princeton University
  • Università di Milano-Bicocca
  • Petersburg Nuclear Physics Institute (PNPI)
  • Kurchatov Institute
  • Joint Institute for Nuclear Research, Dubna
  • Astroparticule and Cosmol APC
  • Technical University of Munich
  • Institute of Nuclear Research, National Academy of Sciences in Ukraine
  • Max-Planck-Institut für Kernphysik
  • Jagiellonian University
  • INFN Sezione di Perugia

Research output: Contribution to journalArticlepeer-review

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
Publication statusPublished - 4 May 2012
Externally publishedYes

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