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Solar neutrino detection utilizing a...

Huang, Yun-Hu.

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Solar neutrino detection utilizing a variant of a coded aperture on a large scale (HERON).

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Solar neutrino detection utilizing a variant of a coded aperture on a large scale (HERON)./
作者:	Huang, Yun-Hu.
面頁冊數:	162 p.
附註:	Adviser: Robert E. Lanou.
Contained By:	Dissertation Abstracts International68-07B.
標題:	Physics, Astronomy and Astrophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3271991
ISBN:	9780549119180

Solar neutrino detection utilizing a variant of a coded aperture on a large scale (HERON).
Huang, Yun-Hu.

Solar neutrino detection utilizing a variant of a coded aperture on a large scale (HERON). - 162 p.

Adviser: Robert E. Lanou.

Thesis (Ph.D.)--Brown University, 2007.

A neutrino-electron scattering occuring in liquid 4He results in an energetic electron that deposits its energy into the liquid through various mechanics. Some of this energy deposition is released in the form of detectable signals, among which is the scintillation signals: photons in the extreme ultraviolet range. The isotropic scintillation signal can be detected and analysed to reconstruct the energy and position of the original electron in the neutrino scattering, which provides information regarding the energy spectrum of the neutrino flux itself.

ISBN: 9780549119180Subjects--Topical Terms:

1019521
Physics, Astronomy and Astrophysics.

Solar neutrino detection utilizing a variant of a coded aperture on a large scale (HERON).
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520 $a A neutrino-electron scattering occuring in liquid 4He results in an energetic electron that deposits its energy into the liquid through various mechanics. Some of this energy deposition is released in the form of detectable signals, among which is the scintillation signals: photons in the extreme ultraviolet range. The isotropic scintillation signal can be detected and analysed to reconstruct the energy and position of the original electron in the neutrino scattering, which provides information regarding the energy spectrum of the neutrino flux itself.
520 $a In one proposed version of a neutrino detector, the scintillation signals are observed using &sim;2000 sensors capable of detecting individual 16 eV photons. Each of these sensor is a calorimeter in the shape of a thin metallic film deposited on a large wafer. The wafers are arranged in two parallel planes above the liquid body, forming a coded-aperture imaging array. Large numbers of Monte Carlo events are generated with various sets of design parameters of the system, and the systematic and statistical behavior is studied to decide the optimal design and its accuracy in determining solar neutrino fluxes.
520 $a This method of detecting scintillation signals is intended to be used in HERON, a proposed detector for low energy solar neutrinos--- pp and 7Be neutrinos from the Sun. The study shows that, at temperatures below 40 mK, with &sim;40 ton-year worth of fiducial events from the 4He body, the pp and 7Be solar neutrino fluxes can be determined with a combined systematic and statistical error of < 1.5% for total flux, and separately < 1.7% for pp and < 3.5% for 7Be.
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