伽玛暴(Gamma-Ray Burst)笔记。记录有关伽玛暴的新文章,另外也包括看的老文章、自己的想法、以及跟天文相关的一些东西。 Feel free to leave me a message by comments or by email.

星期六, 八月 08, 2009

Guillard 2009 Antares中微子望远镜

主要内容:
这天有个关于Antares文章的小爆发

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文章信息:


[36] arXiv:0908.0855 [ps, pdf, other]
Title: Gamma ray astronomy with Antares
Comments: Proceedings of the 31st ICRC conference, Lodz 2009, 4 pages, no figures
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)

It has been suggested that underwater neutrino telescopes could detect muons from gamma ray showers. Antares' ability to detect high energy muons produced by TeV photons is discussed in the light of a full Monte Carlo study. It is shown that currently known sources would be hardly detectable

[37] arXiv:0908.0858 [ps, pdf, other]
Title: Skymap for atmospheric muons at TeV energies measured in deep-sea neutrino telescope ANTARES
Comments: Proceedings of the 31st ICRC conference, Lodz 2009, 3 pages, 2 figures
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)

Recently different experiments mention to have observed a large scale cosmic-ray anisotropy at TeV energies, e.g. Milagro, Tibet and Super-Kamiokande. For these energies the cosmic-rays are expected to be nearly isotropic. Any measurements of cosmic-rays anisotropy could bring some information about propagation and origin of cosmic-rays. Though the primary aim of the ANTARES neutrino telescope is the detection of high energy cosmic neutrinos, the detector measures mainly down-doing muons, which are decay products of cosmic-rays collisions in the Earth's atmosphere. This proceeding describes an anlaysis method for the first year measurement of down-going atmospheric muons at TeV energies in the ANTARES experiment, when five out of the final number of twelve lines were taking data.

[38] arXiv:0908.0860 [ps, pdf, other]
Title: Search for Exotic Physics with the ANTARES Detector
Comments: Proceedings of the 31st ICRC conference, Lodz 2009, 4 pages, 6 figures
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)

Besides the detection of high energy neutrinos, the ANTARES telescope offers an opportunity to improve sensitivity to exotic cosmological relics. In this article we discuss the sensitivity of the ANTARES detector to elativistic monopoles and slow nuclearites. Dedicated trigger algorithms and search strategies are being developed to search or them. The data filtering, background rejection selection criteria are described, as well as the expected sensitivity of ANTARES to exotic physics.

[39] arXiv:0908.0862 [ps, pdf, other]
Title: Underwater acoustic detection of UHE neutrinos with the ANTARES experiment
Comments: Proceedings of the 31st ICRC conference, 4 pages, 5 figures
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)

The ANTARES Neutrino Telescope is a water Cherenkov detector composed of an array of approximately 900 photomultiplier tubes in 12 vertical strings, spread over an area of about 0.1 km^2 with an instrumented height of about 350 metres. ANTARES, built in the Mediterranean Sea, is the biggest neutrino Telescope operating in the northern hemisphere. Acoustic sensors (AMADEUS project) have been integrated into the infrastructure of ANTARES, grouped in small arrays, to evaluate the feasibility of a future acoustic neutrino telescope in the deep sea operating in the ultra-high energy regime.
In this contribution, the basic principles of acoustic neutrino detection will be presented. The AMADEUS array of acoustic sensors will be described and the latest results of the project summarized.

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