Title
Measurement of the charge asymmetry in top quark pair production in pp collisions at s =8 TeV using a template method
Date Issued
18 February 2016
Access level
open access
Resource Type
journal article
Author(s)
Khachatryan V.
Sirunyan A.M.
Tumasyan A.
Adam W.
Asilar E.
Bergauer T.
Brandstetter J.
Brondolin E.
Dragicevic M.
Erö J.
Flechl M.
Friedl M.
Frühwirth R.
Ghete V.M.
Hartl C.
Hörmann N.
Hrubec J.
Jeitler M.
Knünz V.
König A.
Krammer M.
Krätschmer I.
Liko D.
Matsushita T.
Mikulec I.
Rabady D.
Rahbaran B.
Rohringer H.
Schieck J.
Schöfbeck R.
Strauss J.
Treberer-Treberspurg W.
Waltenberger W.
Wulz C.E.
Mossolov V.
Shumeiko N.
Suarez Gonzalez J.
Alderweireldt S.
Cornelis T.
De Wolf E.A.
Janssen X.
Knutsson A.
Lauwers J.
Luyckx S.
Ochesanu S.
Rougny R.
Van De Klundert M.
Van Haevermaet H.
Van Mechelen P.
Van Remortel N.
Van Spilbeeck A.
Abu Zeid S.
Blekman F.
D'Hondt J.
Daci N.
De Bruyn I.
Deroover K.
Heracleous N.
Keaveney J.
Lowette S.
Moreels L.
Olbrechts A.
Python Q.
Strom D.
Tavernier S.
Van Doninck W.
Van Mulders P.
Van Onsem G.P.
Van Parijs I.
Barria P.
Caillol C.
Clerbaux B.
De Lentdecker G.
Delannoy H.
Fasanella G.
Favart L.
Gay A.P.R.
Grebenyuk A.
Lenzi T.
Léonard A.
Maerschalk T.
Marinov A.
Perniè L.
Randle-Conde A.
Reis T.
Seva T.
Vander Velde C.
Vanlaer P.
Yonamine R.
Zenoni F.
Zhang F.
Beernaert K.
Benucci L.
Cimmino A.
Crucy S.
Dobur D.
Fagot A.
Garcia G.
Gul M.
McCartin J.
Publisher(s)
American Physical Society
Abstract
The charge asymmetry in the production of top quark and antiquark pairs is measured in proton-proton collisions at a center-of-mass energy of 8 TeV. The data, corresponding to an integrated luminosity of 19.6 fb-1, were collected by the CMS experiment at the LHC. Events with a single isolated electron or muon, and four or more jets, at least one of which is likely to have originated from hadronization of a bottom quark, are selected. A template technique is used to measure the asymmetry in the distribution of differences in the top quark and antiquark absolute rapidities. The measured asymmetry is Acy=[0.33±0.26(stat)±0.33(syst)]%, which is the most precise result to date. The results are compared to calculations based on the standard model and on several beyond-the-standard-model scenarios.
Volume
93
Issue
3
Language
English
OCDE Knowledge area
Física de partículas, Campos de la Física
Física atómica, molecular y química
Scopus EID
2-s2.0-84960379700
Source
Physical Review D
ISSN of the container
24700010
Sponsor(s)
National Science Foundation - 1120138, 1151640, 1206044, 1211067, 1306951, 1314131, 1506130, 1506168, 1508869.
Seventh Framework Programme - 246806.
Science and Technology Facilities Council - GRIDPP, PP/E000479/1, PP/E002803/1, ST/H000925/1, ST/H000925/2, ST/I000305/1, ST/I003622/1, ST/I005912/1, ST/J004871/1, ST/J004901/1, ST/J005479/1, ST/J005665/1, ST/J50094X/1, ST/K001256/1, ST/K001531/1, ST/K001639/1, ST/K003542/1, ST/K003844/1, ST/L005603/1, ST/L00609X/1, ST/M002020/1, ST/M004775/1, ST/M005356/1, ST/N000242/1, ST/N000250/1, ST/N001273/1.
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung - 153664.
Sources of information:
Directorio de Producción Científica
Scopus