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Study of the dijet mass spectrum in pp?W+jets events at vs=7 TeV

Abstract: We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp ! W þ 2-jet and W þ 3-jet events to look for resonant enhancement. The data sample corresponds to an integrated luminosity of 5:0 fb1 collected with the CMS detector at ffiffiffis p ¼ 7 TeV. We find no evidence for the anomalous structure reported by the CDF Collaboration, and establish an upper limit of 5.0 pb at 95% confidence level on the production cross section for a generic Gaussian signal with mass near 150 GeV. Additionally, we exclude two theoretical models that predict a CDF-like dijet resonance near 150 GeV.

Other publications of the same journal or congress with authors from the University of Cantabria

Authorship: Chatrchyan S., Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Aguilo E., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hörmann N., Hrubec J., Jeitler M., Kiesenhofer W., Knünz V., Krammer M., Krätschmer I., Liko D., Mikulec I., Pernicka M., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V

Fuente: Physical Review Letters, 2012, 109(25), 251801

Publisher: American Physical Society

Publication date: 01/12/2012

No. of pages: 16

Publication type: Article

DOI: 10.1103/PhysRevLett.109.251801

ISSN: 0031-9007,1079-7114

Publication Url: https://doi.org/10.1103/PhysRevLett.109.251801

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