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The Cryogenic Dark Matter Search (CD...

Chang, Clarence Leeder.

The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine.
作者:	Chang, Clarence Leeder.
面頁冊數:	137 p.
附註:	Adviser: Blas Cabrera.
附註:	Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5777.
Contained By:	Dissertation Abstracts International65-11B.
標題:	Physics, Astronomy and Astrophysics.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3153051
ISBN:	9780496134977

The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine.
Chang, Clarence Leeder.

The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine. - 137 p.

Adviser: Blas Cabrera.

Thesis (Ph.D.)--Stanford University, 2005.

The CDMS II experiment searches for WIMPs via their elastic scattering off of nuclei. The experiment uses Ge and Si ZIP detectors, operated at <50 mK, which simultaneously measure the ionization and athermal phonons produced by the scattering of an external particle. The dominant background for the experiment comes from electromagnetic interactions taking place very close to the detector surface. Analysis of the phonon signal from these interactions makes it possible to discriminate them from interactions caused by WIMPs. This thesis presents the details of an important aspect of the phonon pulse shape analysis known as the "Lookup Table Correction." The Lookup Table Correction is a position dependent calibration of the ZIP phonon response which improves the rejection of events scattering near the detector surface.

ISBN: 9780496134977Subjects--Topical Terms:

227131
Physics, Astronomy and Astrophysics.

The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine.
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245 1 4 $a The Cryogenic Dark Matter Search (CDMS-II) experiment: First results from the Soudan Mine.
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502 $a Thesis (Ph.D.)--Stanford University, 2005.
520 # $a The CDMS II experiment searches for WIMPs via their elastic scattering off of nuclei. The experiment uses Ge and Si ZIP detectors, operated at <50 mK, which simultaneously measure the ionization and athermal phonons produced by the scattering of an external particle. The dominant background for the experiment comes from electromagnetic interactions taking place very close to the detector surface. Analysis of the phonon signal from these interactions makes it possible to discriminate them from interactions caused by WIMPs. This thesis presents the details of an important aspect of the phonon pulse shape analysis known as the "Lookup Table Correction." The Lookup Table Correction is a position dependent calibration of the ZIP phonon response which improves the rejection of events scattering near the detector surface.
520 # $a The CDMS collaboration has recently commissioned its experimental installation at the Soudan Mine. This thesis presents an analysis of the data from the first WIMP search at the Soudan Mine. The results of this analysis set the world's lowest exclusion limit making the CDMS II experiment at Soudan the most sensitive WIMP search to this date.
520 # $a There is an abundance of evidence that the majority of the mass of the universe is in the form of non-baryonic non-luminous matter that was non-relativistic at the time when matter began to dominate the energy density. Weakly Interacting Massive Particles, or WIMPs, are attractive cold dark matter candidates because they would have a relic abundance today of &sim;0.1 which is consistent with precision cosmological measurements. WIMPs are also well motivated theoretically. Many minimal supersymmetric extensions of the Standard Model have WIMPs in the form of the lightest supersymmetric partner, typically taken to be the neutralino.
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