http://www.cnr.it/ontology/cnr/individuo/prodotto/ID6107
Upper limits to the low energy electron-antineutrino flux from GRB990705 (Articolo in rivista)
- Type
- Label
- Upper limits to the low energy electron-antineutrino flux from GRB990705 (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Alternative label
Aglietta, Castellina, Fulgione, Ghia, Morello, Periale, Trinchero, Vallania, Vernetto, et al. (2001)
Upper limits to the low energy electron-antineutrino flux from GRB990705
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Aglietta, Castellina, Fulgione, Ghia, Morello, Periale, Trinchero, Vallania, Vernetto, et al. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- impact factor 2,281 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ. and INFN-Bologn;Brown Univ.US; Univ. of Campinas, Brazil;INFN-LNF and INFN-LNGS; Univ. of Houston, USA;Indiana Univ., USA;MIT, Cambridge, USA;INR, Russian Academy of Sciences, Moscow, Russia;Okayama Univ., Japan;
Okayama Univ. of Science, Japan; Hirosaki Univ., Japan; Ashikaga Institute of Technology,Japan; Institute of Cosmo-Geophysics (IFSI-Sezione di Torino)CNR; Univ. and INFN-Torino; (literal)
- Titolo
- Upper limits to the low energy electron-antineutrino flux from GRB990705 (literal)
- Abstract
- The detection of Gamma Ray Burst GRB990705
on 1999, July 5.66765 UT,
%on July 5$^{th}$ 1999
pointing to the Large Magellanic Clouds, suggested the search for
a possible neutrino counterpart, both in coincidence with and slightly
before (or after) the photon burst.
We exploited such a possibility by means of the LVD
neutrino telescope (National Gran Sasso Laboratory, Italy), which
has the capability to study low-energy cosmic neutrinos.
No evidence for any neutrino signal, over a wide range of time durations,
has been found, at the occurrence of GRB990705.
Due to the lack of information about both the source distance
and its emission spectrum, the results of the search are expressed in terms
of upper limits, at the Earth,
to the $\bar{\nu}_e$ flux $\cdot$ cross-section,
integrated over different time durations,
$\int \int \Phi_{\bar \nu_e}\sigma dE dt$.
Moreover, assuming thermal $\bar\nu_e$ spectra at the source,
upper limits to the $\bar\nu_e$ flux, integrated over time duration,
for different spectral temperatures, are
obtained.
Based on these limits and on the expectations for $\nu$ emission
from collapsing astrophysical objects, the occurrence
of a gravitational stellar
collapse can be excluded up to a distance $r \approx 50$ kpc,
in the case of time coincidence with GRB990705,
and $r \approx 20$ kpc, for the 24 hours preceding it. (literal)
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