Search for high energy neutrinos from bright GRBs with ANTARES

¹ Dipartimento di Fisica dell’Università, Via Dodecaneso 33, 16146, Genova, Italy
² INFN-Sezione di Genova, Via Dodecaneso 33, 16146, Genova, Italy
³ Gran Sasso Science Institute, Viale Francesco Crispi 7, 00167, L’Aquila, Italy
⁴ INFN-Sezione di Roma, P.le Aldo Moro 2, 00185, Roma, Italy
⁵ Aix Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288, Marseille, France

^a e-mail: matteo.sanguineti@ge.infn.it

Published online: 23 March 2017

Abstract

Gamma-ray bursts are a possible site of hadronic acceleration, thus neutrinos are expected in correspondence of a GRB event. The brightest GRB observed between 2008 and 2013 (GRB080916C, GRB110918A, GRB130427A and GRB130505A) have been investigated using the data of the ANTARES high energy neutrino telescope. In this paper two of most promising models of the GRB neutrino emission will be studied: the internal shock model and the photospheric model. No muons have been measured in space and time correlation with the selected GRBs and upper limits at 90% C.L. on the expected neutrino fluxes have been derived. This measure allows also setting constraints on some parameters used in the modeling of the neutrino flux: the bulk Lorentz factor of the jet Г and the baryon loading f_p.