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A study of relative efficiencies of ...

Ouellet, Christian Van.

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A study of relative efficiencies of photomultiplier tubes in the Sudbury Neutrino Observatory.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A study of relative efficiencies of photomultiplier tubes in the Sudbury Neutrino Observatory./
作者:	Ouellet, Christian Van.
面頁冊數:	89 p.
附註:	Source: Masters Abstracts International, Volume: 43-06, page: 2255.
Contained By:	Masters Abstracts International43-06.
標題:	Physics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR01058
ISBN:	0494010584

A study of relative efficiencies of photomultiplier tubes in the Sudbury Neutrino Observatory.
Ouellet, Christian Van.

A study of relative efficiencies of photomultiplier tubes in the Sudbury Neutrino Observatory. - 89 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2255.

Thesis (M.Sc.)--Queen's University at Kingston (Canada), 2005.

The Sudbury Neutrino Observatory (SNO) is a spherical heavy water Cerenkov-light detector built to understand neutrino physics. In particular it is credited with solving the "missing" solar neutrino problem. The SNO project uses a laser light with a diffuser, called a "laserball", to determine all the optical properties of the SNO detector from attenuation lengths in the water to individual photo-multiplier tube (PMT) characteristics. One such characteristic is the quantum efficiency, and it is the purpose of this study to investigate this quantity. A characteristic of laserball data is that one does not measure quantum efficiency but rather relative efficiencies. This thesis is a systematic analysis of the efficiencies extracted from pre-existing calibration code. Knowing the relative efficiencies increases the understanding of the detector's behavior in a previously unexamined area. Introduction of the PMT-to-PMT variations in efficiency into the pre-existing mathematical Monte-Carlo model of SNO has demonstrated better agreement between the observed and modeled energy resolution of the detector. The implications of this last Monte-Carlo adjustment may impact current published SNO results and further constrain theoretical models for neutrino oscillations.

ISBN: 0494010584Subjects--Topical Terms:

1018488
Physics, General.

A study of relative efficiencies of photomultiplier tubes in the Sudbury Neutrino Observatory.
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