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Measurement of the WZ production cro...

Jeanty, Laura Elizabeth.

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Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector./
作者:	Jeanty, Laura Elizabeth.
面頁冊數:	330 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.
Contained By:	Dissertation Abstracts International74-10B(E).
標題:	High energy physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3566936
ISBN:	9781303185038

Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector.
Jeanty, Laura Elizabeth.

Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector. - 330 p.

Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.

Thesis (Ph.D.)--Harvard University, 2013.

This item must not be sold to any third party vendors.

In this dissertation, we present a study of WZ production in proton-proton collisions at a center-of-mass energy of 7 TeV. The data analyzed was collected by the ATLAS detector and corresponds to an integrated luminosity of 4.6 fb-1 provided by the Large Hadron Collider in 2011. We select WZ events in the fully leptonic decay mode with electrons, muons, and missing transverse energy in the final state.

ISBN: 9781303185038Subjects--Topical Terms:

2144759
High energy physics.

Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector.
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245 1 0 $a Measurement of the WZ production cross section in proton-proton collision at √s = 7 TeV and limits on anomalous triple gauge couplings with the ATLAS detector.
300 $a 330 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.
500 $a Adviser: Melissa Franklin.
502 $a Thesis (Ph.D.)--Harvard University, 2013.
506 $a This item must not be sold to any third party vendors.
520 $a In this dissertation, we present a study of WZ production in proton-proton collisions at a center-of-mass energy of 7 TeV. The data analyzed was collected by the ATLAS detector and corresponds to an integrated luminosity of 4.6 fb-1 provided by the Large Hadron Collider in 2011. We select WZ events in the fully leptonic decay mode with electrons, muons, and missing transverse energy in the final state.
520 $a Events are required to have three isolated leptons with significant transverse momentum, a large missing transverse energy, a Z candidate reconstructed from two of the selected leptons, and a W candidate reconstructed from the missing transverse energy and third lepton. The major backgrounds to the WZ signal in the leptonic decay channel are Z+jets events, ZZ production, Z+photon events, and events with top quarks. We estimate the Z+jets and top quark background contributions from data and take the expected contribution for the other background processes from simulation.
520 $a We observe 317 WZ candidates in data, with a background expectation of 68+/-10 events. The total production cross section is extracted from the selected sample using a maximum likelihood method and is determined to be 19.0+1.4/1.3(stat) +/-0.9 (syst) +/-0.4 (lumi) pb, which is consistent with the next-to-leading Standard Model prediction of 17.6+1.1/-1.0 pb.
520 $a WZ production in the Standard Model includes a contribution from the WWZ triple gauge boson vertex. If new physics beyond the Standard Model exists and interacts with W and Z bosons, the coupling of the WWZ vertex could differ from the Standard Model prediction. We set limits on anomalous triple gauge boson couplings using the transverse momentum spectrum of Z bosons in the selected sample. We derive the 95% confidence interval for three model-independent anomalous triple gauge couplings using a frequentist approach and set the most stringent bounds to date on two of the three parameters.
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793 $a English
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