Title
An absence of neutrinos associated with cosmic-ray acceleration in γ-ray bursts
Date Issued
19 April 2012
Access level
open access
Resource Type
journal article
Author(s)
Abbasi R.
Abdou Y.
Abu-Zayyad T.
Ackermann M.
Adams J.
Aguilar J.A.
Ahlers M.
Altmann D.
Andeen K.
Auffenberg J.
Bai X.
Baker M.
Barwick S.W.
Bay R.
Beattie K.
Beatty J.J.
Bechet S.
Becker J.K.
Becker K.H.
Bell M.
Benabderrahmane M.L.
Benzvi S.
Berdermann J.
Berghaus P.
Berley D.
Bernardini E.
Bertrand D.
Besson D.Z.
Bindig D.
Bissok M.
Blaufuss E.
Blumenthal J.
Boersma D.J.
Bohm C.
Bose D.
Böser S.
Botner O.
Brayeur L.
Brown A.M.
Buitink S.
Caballero-Mora K.S.
Carson M.
Casier M.
Chirkin D.
Christy B.
Clevermann F.
Cohen S.
Colnard C.
Cowen D.F.
Cruz Silva A.H.
D'Agostino M.V.
Danninger M.
Daughhetee J.
Davis J.C.
De Clercq C.
Degner T.
Descamps F.
Desiati P.
De Vries-Uiterweerd G.
Deyoung T.
Dáaz-Vélez J.C.
Dierckxsens M.
Dreyer J.
Dumm J.P.
Dunkman M.
Eisch J.
Ellsworth R.W.
Engdegård O.
Euler S.
Evenson P.A.
Fadiran O.
Fazely A.R.
Fedynitch A.
Feintzeig J.
Feusels T.
Filimonov K.
Finley C.
Fischer-Wasels T.
Flis S.
Franckowiak A.
Franke R.
Gaisser T.K.
Gallagher J.
Gerhardt L.
Gladstone L.
Glüsenkamp T.
Goldschmidt A.
Goodman J.A.
Góra D.
Grant D.
Griesel T.
Gro A.
Grullon S.
Gurtner M.
Ha C.
Haj Ismail A.
Hallgren A.
Halzen F.
Han K.
Deutsches Elektronen Synchrotron
Abstract
Very energetic astrophysical events are required to accelerate cosmic rays to above 10 18 electronvolts. GRBs (γ-ray bursts) have been proposed as possible candidate sources. In the GRB ' fireball' model, cosmic-ray acceleration should be accompanied by neutrinos produced in the decay of charged pions created in interactions between the high-energy cosmic-ray protons and γ-rays. Previous searches for such neutrinos found none, but the constraints were weak because the sensitivity was at best approximately equal to the predicted flux. Here we report an upper limit on the flux of energetic neutrinos associated with GRBs that is at least a factor of 3.7 below the predictions. This implies either that GRBs are not the only sources of cosmic rays with energies exceeding 10 18 electronvolts or that the efficiency of neutrino production is much lower than has been predicted. © 2012 Macmillan Publishers Limited. All rights reserved.
Start page
351
End page
353
Volume
484
Issue
7394
Language
English
OCDE Knowledge area
Astronomía
Física de partículas, Campos de la Física
Scopus EID
2-s2.0-84859886377
Source
Nature
ISSN of the container
14764687
Sponsor(s)
Science and Technology Facilities Council - ST/J000507/1
Japan Society for the Promotion of Science - 10J40081, 22340048
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung - 133630
Sources of information:
Directorio de Producción Científica
Scopus