Inclusive and Differential Measurements of the T T-bar Charge Asymmetry in Proton-proton Collisions at Sqrt(s)

Inclusive and Differential Measurements of the T T-bar Charge Asymmetry in Proton-proton Collisions at Sqrt(s)
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Total Pages : 31
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ISBN-10 : OCLC:1066370519
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Book Synopsis Inclusive and Differential Measurements of the T T-bar Charge Asymmetry in Proton-proton Collisions at Sqrt(s) by :

Download or read book Inclusive and Differential Measurements of the T T-bar Charge Asymmetry in Proton-proton Collisions at Sqrt(s) written by and published by . This book was released on 2012 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The t t-bar charge asymmetry is measured in events containing a charged lepton (electron or muon) and at least four jets, one of which is identified as originating from b-quark hadronization. The analyzed dataset corresponds to an integrated luminosity of 5.0 inverse femtobarns collected with the CMS detector at the LHC. An inclusive and three differential measurements of the t t-bar charge asymmetry as a function of rapidity, transverse momentum, and invariant mass of the t t-bar system are presented. The measured inclusive t t-bar charge asymmetry is A(C) = 0.004 +/- 0.010 (stat.) +/- 0.011 (syst.). This result and the three differential measurements are consistent with zero asymmetry as well as with the predictions of the standard model.


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