Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV

V. Khachatryan; A. M. Sirunyan; A. Tumasyan; W. Adam; E. Asilar; T. Bergauer; J. Brandstetter; E. Brondolin; M. Dragicevic; J. Erö; M. Flechl; M. Friedl; R. Frühwirth; V. M. Ghete; C. Hartl; N. Hörmann; J. Hrubec; M. Jeitler; V. Knünz; A. König; M. Krammer; I. Krätschmer; D. Liko; T. Matsushita; I. Mikulec; D. Rabady; B. Rahbaran; H. Rohringer; J. Schieck; R. Schöfbeck; J. Strauss; W. Treberer-Treberspurg; W. Waltenberger; C. E. Wulz; V. Mossolov; N. Shumeiko; J. Suarez Gonzalez; S. Alderweireldt; T. Cornelis; E. A. De Wolf; X. Janssen; A. Knutsson; J. Lauwers; S. Luyckx; R. Rougny; M. Van De Klundert; H. Van Haevermaet; P. Van Mechelen; N. Van Remortel; A. Radi; The CMS Collaboration

doi:10.1007/JHEP01(2016)096

Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, E. Asilar, T. Bergauer, J. Brandstetter, E. Brondolin, M. Dragicevic, J. Erö, M. Flechl, M. Friedl, R. Frühwirth, V. M. Ghete, C. Hartl, N. Hörmann, J. Hrubec, M. Jeitler, V. Knünz, A. KönigM. Krammer, I. Krätschmer, D. Liko, T. Matsushita, I. Mikulec, D. Rabady, B. Rahbaran, H. Rohringer, J. Schieck, R. Schöfbeck, J. Strauss, W. Treberer-Treberspurg, W. Waltenberger, C. E. Wulz, V. Mossolov, N. Shumeiko, J. Suarez Gonzalez, S. Alderweireldt, T. Cornelis, E. A. De Wolf, X. Janssen, A. Knutsson, J. Lauwers, S. Luyckx, R. Rougny, M. Van De Klundert, H. Van Haevermaet, P. Van Mechelen, N. Van Remortel, A. Radi, The CMS Collaboration

Physics

نتاج البحث: المساهمة في مجلة › Article › مراجعة النظراء

48 اقتباسات (Scopus)

ملخص

Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb^-1, collected by the CMS experiment at the LHC. Final states are selected in which the associated W boson decays to a charged lepton and a neutrino or the Z boson decays to two charged leptons. Signal events are identified by matching reconstructed objects in the detector to specific final state particles from tt̄W or tt̄Z decays. The tt̄W cross section is measured to be (Formula Presented) fb with a significance of 4.8 standard deviations from the background-only hypothesis. The tt̄Z cross section is measured to be (Formula Presented) fb with a significance of 6.4 standard deviations from the background-only hypothesis. These measurements are used to set bounds on five anomalous dimension-six operators that would affect the tt̄W and tt̄Z cross sections.

اللغة الأصلية	English
رقم المقال	96
دورية	Journal of High Energy Physics
مستوى الصوت	2016
رقم الإصدار	1
المعرِّفات الرقمية للأشياء	https://doi.org/10.1007/JHEP01(2016)096
حالة النشر	Published - 2016

ASJC Scopus subject areas

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10.1007/JHEP01(2016)096

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قم بذكر هذا

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., ... The CMS Collaboration (2016). Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV. Journal of High Energy Physics, 2016(1), المقال 96. https://doi.org/10.1007/JHEP01(2016)096

Khachatryan, V, Sirunyan, AM, Tumasyan, A, Adam, W, Asilar, E, Bergauer, T, Brandstetter, J, Brondolin, E, Dragicevic, M, Erö, J, Flechl, M, Friedl, M, Frühwirth, R, Ghete, VM, 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, CE, Mossolov, V, Shumeiko, N, Suarez Gonzalez, J, Alderweireldt, S, Cornelis, T, De Wolf, EA, Janssen, X, Knutsson, A, Lauwers, J, Luyckx, S, Rougny, R, Van De Klundert, M, Van Haevermaet, H, Van Mechelen, P, Van Remortel, N, Radi, A & The CMS Collaboration 2016, 'Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV', Journal of High Energy Physics, المجلد 2016, رقم 1, 96. https://doi.org/10.1007/JHEP01(2016)096

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title = "Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV",

abstract = "Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb-1, collected by the CMS experiment at the LHC. Final states are selected in which the associated W boson decays to a charged lepton and a neutrino or the Z boson decays to two charged leptons. Signal events are identified by matching reconstructed objects in the detector to specific final state particles from t{\=t}W or t{\=t}Z decays. The t{\=t}W cross section is measured to be (Formula Presented) fb with a significance of 4.8 standard deviations from the background-only hypothesis. The t{\=t}Z cross section is measured to be (Formula Presented) fb with a significance of 6.4 standard deviations from the background-only hypothesis. These measurements are used to set bounds on five anomalous dimension-six operators that would affect the t{\=t}W and t{\=t}Z cross sections.",

keywords = "Electroweak interaction, Hadron-Hadron scattering, Top physics",

author = "V. Khachatryan and Sirunyan, {A. M.} and A. Tumasyan and W. Adam and E. Asilar and T. Bergauer and J. Brandstetter and E. Brondolin and M. Dragicevic and J. Er{\"o} and M. Flechl and M. Friedl and R. Fr{\"u}hwirth and Ghete, {V. M.} and C. Hartl and N. H{\"o}rmann and J. Hrubec and M. Jeitler and V. Kn{\"u}nz and A. K{\"o}nig and M. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Matsushita and I. Mikulec and D. Rabady and B. Rahbaran and H. Rohringer and J. Schieck and R. Sch{\"o}fbeck and J. Strauss and W. Treberer-Treberspurg and W. Waltenberger and Wulz, {C. E.} and V. Mossolov and N. Shumeiko and {Suarez Gonzalez}, J. and S. Alderweireldt and T. Cornelis and {De Wolf}, {E. A.} and X. Janssen and A. Knutsson and J. Lauwers and S. Luyckx and R. Rougny and {Van De Klundert}, M. and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Remortel}, N. and A. Radi and {The CMS Collaboration}",

year = "2016",

doi = "10.1007/JHEP01(2016)096",

language = "English",

volume = "2016",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

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T1 - Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV

AU - Khachatryan, V.

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Asilar, E.

AU - Bergauer, T.

AU - Brandstetter, J.

AU - Brondolin, E.

AU - Dragicevic, M.

AU - Erö, J.

AU - Flechl, M.

AU - Friedl, M.

AU - Frühwirth, R.

AU - Ghete, V. M.

AU - Hartl, C.

AU - Hörmann, N.

AU - Hrubec, J.

AU - Jeitler, M.

AU - Knünz, V.

AU - König, A.

AU - Krammer, M.

AU - Krätschmer, I.

AU - Liko, D.

AU - Matsushita, T.

AU - Mikulec, I.

AU - Rabady, D.

AU - Rahbaran, B.

AU - Rohringer, H.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Strauss, J.

AU - Treberer-Treberspurg, W.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Mossolov, V.

AU - Shumeiko, N.

AU - Suarez Gonzalez, J.

AU - Alderweireldt, S.

AU - Cornelis, T.

AU - De Wolf, E. A.

AU - Janssen, X.

AU - Knutsson, A.

AU - Lauwers, J.

AU - Luyckx, S.

AU - Rougny, R.

AU - Van De Klundert, M.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Remortel, N.

AU - Radi, A.

AU - The CMS Collaboration

PY - 2016

Y1 - 2016

N2 - Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb-1, collected by the CMS experiment at the LHC. Final states are selected in which the associated W boson decays to a charged lepton and a neutrino or the Z boson decays to two charged leptons. Signal events are identified by matching reconstructed objects in the detector to specific final state particles from tt̄W or tt̄Z decays. The tt̄W cross section is measured to be (Formula Presented) fb with a significance of 4.8 standard deviations from the background-only hypothesis. The tt̄Z cross section is measured to be (Formula Presented) fb with a significance of 6.4 standard deviations from the background-only hypothesis. These measurements are used to set bounds on five anomalous dimension-six operators that would affect the tt̄W and tt̄Z cross sections.

AB - Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb-1, collected by the CMS experiment at the LHC. Final states are selected in which the associated W boson decays to a charged lepton and a neutrino or the Z boson decays to two charged leptons. Signal events are identified by matching reconstructed objects in the detector to specific final state particles from tt̄W or tt̄Z decays. The tt̄W cross section is measured to be (Formula Presented) fb with a significance of 4.8 standard deviations from the background-only hypothesis. The tt̄Z cross section is measured to be (Formula Presented) fb with a significance of 6.4 standard deviations from the background-only hypothesis. These measurements are used to set bounds on five anomalous dimension-six operators that would affect the tt̄W and tt̄Z cross sections.

KW - Electroweak interaction

KW - Hadron-Hadron scattering

KW - Top physics

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U2 - 10.1007/JHEP01(2016)096

DO - 10.1007/JHEP01(2016)096

M3 - Article

AN - SCOPUS:85009932536

SN - 1126-6708

VL - 2016

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 1

M1 - 96

ER -

Observation of top quark pairs produced in association with a vector boson in pp collisions at √s = 8 TeV

ملخص

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