18–20 mai 2009
AstroParticule et Cosmologie (APC)
Fuseau horaire Europe/Paris
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The Most Promising High Energy Neutrino Source

19 mai 2009, 14:00
30m
AstroParticule et Cosmologie (APC)

AstroParticule et Cosmologie (APC)

Paris, FRANCE

Orateur

Prof. David Eichler (Ben Gurion University)

Description

Nature can apparently produce high energy (HE) particle budgets of $10^{50}$ erg/s, lasting tens of seconds, during stellar collapse. Such events account for gamma ray bursts (GRB). However, at typical cosmological distances, GRB would be hard to detect in neutrinos. It is suggested here (as in Eichler and Levinson, 1999) that nearby (D < 1 Gpc) GRB, the vast majority of which are unobservable to us, could nevertheless send HE neutrinos in our direction. These would be the brightest HE neutrino bursts. They could coincide with gravitational wave signals but not necessarily with GRB.

Auteur principal

Prof. David Eichler (Ben Gurion University)

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