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Spin determination at the Large Hadr...

Yavin, Itay.

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Spin determination at the Large Hadron Collider.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Spin determination at the Large Hadron Collider./
作者:	Yavin, Itay.
面頁冊數:	149 p.
附註:	Adviser: Nima Arkani-Hamed.
Contained By:	Dissertation Abstracts International67-12B.
標題:	Physics, Elementary Particles and High Energy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3245214

Spin determination at the Large Hadron Collider.
Yavin, Itay.

Spin determination at the Large Hadron Collider. - 149 p.

Adviser: Nima Arkani-Hamed.

Thesis (Ph.D.)--Harvard University, 2006.

The quantum field theory describing the Electroweak sector demands some new physics at the TeV scale in order to unitarize the scattering of longitudinal W bosons. If this new physics takes the form of a scalar Higgs boson then it is hard to understand the huge hierarchy of scales between the Electroweak scale &sim; TeV and the Planck scale &sim; 1019 GeV. This is known as the Naturalness problem. Normally, in order to solve this problem, new particles, in addition to the Higgs boson, are required to be present in the spectrum below a few TeV. If such particles are indeed discovered at the Large Hadron Collider it will become important to determine their spin. Several classes of models for physics beyond the Electroweak scale exist. Determining the spin of any such newly discovered particle could prove to be the only means of distinguishing between these different models. In the first part of this thesis; we present a thorough discussion regarding such a measurement. We survey the different potentially useful channels for spin determination and a detailed analysis of the most promising channel is performed.Subjects--Topical Terms:

1019488
Physics, Elementary Particles and High Energy.

Spin determination at the Large Hadron Collider.
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245 1 0 $a Spin determination at the Large Hadron Collider.
300 $a 149 p.
500 $a Adviser: Nima Arkani-Hamed.
500 $a Source: Dissertation Abstracts International, Volume: 67-12, Section: B, page: 7139.
502 $a Thesis (Ph.D.)--Harvard University, 2006.
520 $a The quantum field theory describing the Electroweak sector demands some new physics at the TeV scale in order to unitarize the scattering of longitudinal W bosons. If this new physics takes the form of a scalar Higgs boson then it is hard to understand the huge hierarchy of scales between the Electroweak scale &sim; TeV and the Planck scale &sim; 1019 GeV. This is known as the Naturalness problem. Normally, in order to solve this problem, new particles, in addition to the Higgs boson, are required to be present in the spectrum below a few TeV. If such particles are indeed discovered at the Large Hadron Collider it will become important to determine their spin. Several classes of models for physics beyond the Electroweak scale exist. Determining the spin of any such newly discovered particle could prove to be the only means of distinguishing between these different models. In the first part of this thesis; we present a thorough discussion regarding such a measurement. We survey the different potentially useful channels for spin determination and a detailed analysis of the most promising channel is performed.
520 $a The Littlest Higgs model offers a way to solve the Hierarchy problem by introduring heavy partners to Standard Model particles with the same spin and quantum numbers. However, this model is only good up to &sim; 10 TeV. In the second part of this thesis we present an extension of this model into a strongly coupled theory above &sim; 10 TeV. We use the celebrated AdS/CFT correspondence to calculate properties of the low-energy physics in terms of high-energy parameters. We comment on some of the tensions inherent to such a construction involving a large-N CFT (or equivalently, an AdS space).
590 $a School code: 0084.
650 4 $a Physics, Elementary Particles and High Energy. $3 1019488
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710 2 $a Harvard University. $3 528741
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791 $a Ph.D.
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