Observation of Top Quark Production in Proton-Nucleus Collisions

A. M. Sirunyan; A. Tumasyan; W. Adam; F. Ambrogi; E. Asilar; T. Bergauer; J. Brandstetter; E. Brondolin; M. Dragicevic; J. Erö; A. Escalante Del Valle; M. Flechl; M. Friedl; R. Frühwirth; V. M. Ghete; J. Grossmann; J. Hrubec; M. Jeitler; A. König; N. Krammer; I. Krätschmer; D. Liko; T. Madlener; I. Mikulec; E. Pree; N. Rad; H. Rohringer; J. Schieck; R. Schöfbeck; M. Spanring; D. Spitzbart; W. Waltenberger; J. Wittmann; C. E. Wulz; M. Zarucki; V. Chekhovsky; V. Mossolov; J. Suarez Gonzalez; E. A. De Wolf; D. Di Croce; X. Janssen; J. Lauwers; M. Van De Klundert; H. Van Haevermaet; P. Van Mechelen; R. M. Chatterjee; Y. Kubota; J. Mans; S. Nourbakhsh; R. Rusack; (CMS Collaboration)

doi:10.1103/PhysRevLett.119.242001

Observation of Top Quark Production in Proton-Nucleus Collisions

A. M. Sirunyan
, A. Tumasyan
, W. Adam
, F. Ambrogi
, E. Asilar
, T. Bergauer
, J. Brandstetter
, E. Brondolin
, M. Dragicevic
, J. Erö
, A. Escalante Del Valle
, M. Flechl
, M. Friedl
, R. Frühwirth
, V. M. Ghete
, J. Grossmann
, J. Hrubec
, M. Jeitler
, A. König
, N. Krammer

I. Krätschmer, D. Liko, T. Madlener, I. Mikulec, E. Pree, N. Rad, H. Rohringer, J. Schieck, R. Schöfbeck, M. Spanring, D. Spitzbart, W. Waltenberger, J. Wittmann, C. E. Wulz, M. Zarucki, V. Chekhovsky, V. Mossolov, J. Suarez Gonzalez, E. A. De Wolf, D. Di Croce, X. Janssen, J. Lauwers, M. Van De Klundert, H. Van Haevermaet, P. Van Mechelen, R. M. Chatterjee, Y. Kubota, J. Mans, S. Nourbakhsh, R. Rusack, (CMS Collaboration)

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb-1. The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is σtt=45±8 nb, consistent with predictions from perturbative quantum chromodynamics.

Original language	English (US)
Article number	242001
Journal	Physical review letters
Volume	119
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.119.242001
State	Published - Dec 14 2017

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© 2017 CERN.

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10.1103/PhysRevLett.119.242001

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Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J., Brondolin, E., Dragicevic, M., Erö, J., Escalante Del Valle, A., Flechl, M., Friedl, M., Frühwirth, R., Ghete, V. M., Grossmann, J., Hrubec, J., Jeitler, M., König, A., ... (CMS Collaboration) (2017). Observation of Top Quark Production in Proton-Nucleus Collisions. Physical review letters, 119(24), Article 242001. https://doi.org/10.1103/PhysRevLett.119.242001

Sirunyan, AM, Tumasyan, A, Adam, W, Ambrogi, F, Asilar, E, Bergauer, T, Brandstetter, J, Brondolin, E, Dragicevic, M, Erö, J, Escalante Del Valle, A, Flechl, M, Friedl, M, Frühwirth, R, Ghete, VM, Grossmann, J, Hrubec, J, Jeitler, M, König, A, Krammer, N, Krätschmer, I, Liko, D, Madlener, T, Mikulec, I, Pree, E, Rad, N, Rohringer, H, Schieck, J, Schöfbeck, R, Spanring, M, Spitzbart, D, Waltenberger, W, Wittmann, J, Wulz, CE, Zarucki, M, Chekhovsky, V, Mossolov, V, Suarez Gonzalez, J, De Wolf, EA, Di Croce, D, Janssen, X, Lauwers, J, Van De Klundert, M, Van Haevermaet, H, Van Mechelen, P, Chatterjee, RM, Kubota, Y, Mans, J, Nourbakhsh, S, Rusack, R & (CMS Collaboration) 2017, 'Observation of Top Quark Production in Proton-Nucleus Collisions', Physical review letters, vol. 119, no. 24, 242001. https://doi.org/10.1103/PhysRevLett.119.242001

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title = "Observation of Top Quark Production in Proton-Nucleus Collisions",

abstract = "The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb-1. The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is σtt=45±8 nb, consistent with predictions from perturbative quantum chromodynamics.",

author = "Sirunyan, \{A. M.\} and A. Tumasyan and W. Adam and F. Ambrogi and E. Asilar and T. Bergauer and J. Brandstetter and E. Brondolin and M. Dragicevic and J. Er{\"o} and \{Escalante Del Valle\}, A. and M. Flechl and M. Friedl and R. Fr{\"u}hwirth and Ghete, \{V. M.\} and J. Grossmann and J. Hrubec and M. Jeitler and A. K{\"o}nig and N. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Madlener and I. Mikulec and E. Pree and N. Rad and H. Rohringer and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and D. Spitzbart and W. Waltenberger and J. Wittmann and Wulz, \{C. E.\} and M. Zarucki and V. Chekhovsky and V. Mossolov and \{Suarez Gonzalez\}, J. and \{De Wolf\}, \{E. A.\} and \{Di Croce\}, D. and X. Janssen and J. Lauwers and \{Van De Klundert\}, M. and \{Van Haevermaet\}, H. and \{Van Mechelen\}, P. and Chatterjee, \{R. M.\} and Y. Kubota and J. Mans and S. Nourbakhsh and R. Rusack and \{(CMS Collaboration)\}",

note = "Publisher Copyright: {\textcopyright} 2017 CERN.",

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AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Ambrogi, F.

AU - Asilar, E.

AU - Bergauer, T.

AU - Brandstetter, J.

AU - Brondolin, E.

AU - Dragicevic, M.

AU - Erö, J.

AU - Escalante Del Valle, A.

AU - Flechl, M.

AU - Friedl, M.

AU - Frühwirth, R.

AU - Ghete, V. M.

AU - Grossmann, J.

AU - Hrubec, J.

AU - Jeitler, M.

AU - König, A.

AU - Krammer, N.

AU - Krätschmer, I.

AU - Liko, D.

AU - Madlener, T.

AU - Mikulec, I.

AU - Pree, E.

AU - Rad, N.

AU - Rohringer, H.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Spitzbart, D.

AU - Waltenberger, W.

AU - Wittmann, J.

AU - Wulz, C. E.

AU - Zarucki, M.

AU - Chekhovsky, V.

AU - Mossolov, V.

AU - Suarez Gonzalez, J.

AU - De Wolf, E. A.

AU - Di Croce, D.

AU - Janssen, X.

AU - Lauwers, J.

AU - Van De Klundert, M.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Chatterjee, R. M.

AU - Kubota, Y.

AU - Mans, J.

AU - Nourbakhsh, S.

AU - Rusack, R.

AU - (CMS Collaboration)

PY - 2017/12/14

Y1 - 2017/12/14

N2 - The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb-1. The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is σtt=45±8 nb, consistent with predictions from perturbative quantum chromodynamics.

AB - The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. The measurement is performed using events with exactly one isolated electron or muon candidate and at least four jets. The data sample corresponds to an integrated luminosity of 174 nb-1. The significance of the tt signal against the background-only hypothesis is above 5 standard deviations. The measured cross section is σtt=45±8 nb, consistent with predictions from perturbative quantum chromodynamics.

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VL - 119

JO - Physical review letters

JF - Physical review letters

IS - 24

M1 - 242001

ER -

Observation of Top Quark Production in Proton-Nucleus Collisions

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