Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at √s = 13 TeV

CMS Collaboration

doi:10.1007/JHEP06(2018)102

Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at √s = 13 TeV

CMS Collaboration

School of Physics and Astronomy

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

42 Citations (Scopus)

Abstract

A search for flavor-changing neutral currents (FCNC) in events with the top quark and the Higgs boson is presented. The Higgs boson decay to a pair of b quarks is considered. The data sample corresponds to an integrated luminosity of√35.9 fb⁻¹ recorded by the CMS experiment at the LHC in proton-proton collisions at s = 13 TeV. Two channels are considered: single top quark FCNC production in association with the Higgs boson (pp → tH), and top quark pair production with FCNC decay of the top quark (t → qH). Final states with one isolated lepton and at least three reconstructed jets, among which at least two are associated with b quarks, are studied. No significant deviation is observed from the predicted background. Observed (expected) upper limits at 95% confidence level are set on the branching fractions of top quark decays, B(t → uH) < 0.47% (0.34%) and B(t → cH) < 0.47% (0.44%), assuming a single nonzero FCNC coupling.

Original language	English
Article number	102
Number of pages	37
Journal	Journal of High Energy Physics
Volume	2018
Issue number	6
DOIs	https://doi.org/10.1007/JHEP06(2018)102
Publication status	Published - 20 Jun 2018

Keywords

FCNC Interaction
Hadron-Hadron scattering (experiments)
Higgs physics
Top physics

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10.1007/JHEP06(2018)102Licence: CC BY

318645181-oaFinal published version, 1.58 MBLicence: CC BY

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@article{6dc1aa2fceb74e16a2bee2df7e44b367,

title = "Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at √s = 13 TeV",

abstract = "A search for flavor-changing neutral currents (FCNC) in events with the top quark and the Higgs boson is presented. The Higgs boson decay to a pair of b quarks is considered. The data sample corresponds to an integrated luminosity of√35.9 fb−1 recorded by the CMS experiment at the LHC in proton-proton collisions at s = 13 TeV. Two channels are considered: single top quark FCNC production in association with the Higgs boson (pp → tH), and top quark pair production with FCNC decay of the top quark (t → qH). Final states with one isolated lepton and at least three reconstructed jets, among which at least two are associated with b quarks, are studied. No significant deviation is observed from the predicted background. Observed (expected) upper limits at 95\% confidence level are set on the branching fractions of top quark decays, B(t → uH) < 0.47\% (0.34\%) and B(t → cH) < 0.47\% (0.44\%), assuming a single nonzero FCNC coupling.",

keywords = "FCNC Interaction, Hadron-Hadron scattering (experiments), Higgs physics, Top physics",

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 A. Taurok 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 \{Van Remortel\}, N. and \{Abu Zeid\}, S. and F. Blekman and J. D{\textquoteright}hondt and \{De Bruyn\}, I. and \{De Clercq\}, J. and K. Deroover and G. Flouris and D. Lontkovskyi and S. Lowette and I. Marchesini and S. Moortgat and L. Moreels and Q. Python and K. Skovpen and S. Tavernier and \{Van Doninck\}, W. and \{Van Mulders\}, P. and \{Van Parijs\}, I. and D. Beghin and B. Bilin and H. Brun and B. Clerbaux and \{De Lentdecker\}, G. and H. Delannoy and B. Dorney and G. Fasanella and L. Favart and R. Goldouzian and A. Grebenyuk and Kalsi, \{A. K.\} and T. Lenzi and J. Luetic and T. Maerschalk and A. Marinov and T. Seva and E. Starling and \{Vander Velde\}, C. and P. Vanlaer and D. Vannerom and R. Yonamine and F. Zenoni and T. Cornelis and D. Dobur and A. Fagot and M. Gul and I. Khvastunov and D. Poyraz and C. Roskas and S. Salva and D. Trocino and M. Tytgat and W. Verbeke and M. Vit and N. Zaganidis and H. Bakhshiansohi and O. Bondu and S. Brochet and G. Bruno and C. Caputo and A. Caudron and P. David and \{De Visscher\}, S. and C. Delaere and M. Delcourt and B. Francois and A. Giammanco and M. Komm and G. Krintiras and V. Lemaitre and A. Magitteri and A. Mertens and M. Musich and K. Piotrzkowski and L. Quertenmont and A. Saggio and \{Vidal Marono\}, M. and S. Wertz and J. Zobec and \{Ald{\'a} J{\'u}nior\}, \{W. L.\} and Alves, \{F. L.\} and Alves, \{G. A.\} and L. Brito and \{Correia Silva\}, G. and C. Hensel and A. Moraes and Pol, \{M. E.\} and \{Rebello Teles\}, P. and \{Belchior Batista Das Chagas\}, E. and W. Carvalho and J. Chinellato and E. Coelho and \{Da Costa\}, \{E. M.\} and \{Da Silveira\}, \{G. G.\} and \{De Jesus Damiao\}, D. and \{Fonseca De Souza\}, S. and \{Huertas Guativa\}, \{L. M.\} and H. Malbouisson and \{Melo De Almeida\}, M. and \{Mora Herrera\}, C. and L. Mundim and H. Nogima and \{Sanchez Rosas\}, \{L. J.\} and A. Santoro and A. Sznajder and M. Thiel and \{Tonelli Manganote\}, \{E. J.\} and \{Torres Da Silva De Araujo\}, F. and \{Vilela Pereira\}, A. and S. Ahuja and Bernardes, \{C. A.\} and \{Fernandez Perez Tomei\}, \{T. R.\} and Gregores, \{E. M.\} and Mercadante, \{P. G.\} and Novaes, \{S. F.\} and Padula, \{Sandra S.\} and \{Romero Abad\}, D. and \{Ruiz Vargas\}, \{J. C.\} and A. Aleksandrov and R. Hadjiiska and P. Iaydjiev and M. Misheva and M. Rodozov and M. Shopova and G. Sultanov and A. Dimitrov and L. Litov and B. Pavlov and P. Petkov and W. Fang and X. Gao and L. Yuan and M. Ahmad and Bian, \{J. G.\} and Chen, \{G. M.\} and Chen, \{H. S.\} and M. Chen and Y. Chen and Jiang, \{C. H.\} and D. Leggat and H. Liao and Z. Liu and F. Romeo and Shaheen, \{S. M.\} and A. Spiezia and J. Tao and C. Wang and Z. Wang and E. Yazgan and H. Zhang and J. Zhao and Y. Ban and G. Chen and J. Li and Q. Li and S. Liu and Y. Mao and Qian, \{S. J.\} and D. Wang and Z. Xu and F. Zhang and Y. Wang and C. Avila and A. Cabrera and \{Carrillo Montoya\}, \{C. A.\} and \{Chaparro Sierra\}, \{L. F.\} and C. Florez and \{Gonz{\'a}lez Hern{\'a}ndez\}, \{C. F.\} and \{Ruiz Alvarez\}, \{J. D.\} and \{Segura Delgado\}, \{M. A.\} and B. Courbon and N. Godinovic and D. Lelas and I. Puljak and \{Ribeiro Cipriano\}, \{P. M.\} and T. Sculac and Z. Antunovic and M. Kovac and V. Brigljevic and D. Ferencek and K. Kadija and B. Mesic and A. Starodumov and T. Susa and Ather, \{M. W.\} and A. Attikis and G. Mavromanolakis and J. Mousa and C. Nicolaou and F. Ptochos and Razis, \{P. A.\} and H. Rykaczewski and M. Finger and M. Finger and \{Carrera Jarrin\}, E. and Abdelalim, \{A. A.\} and Y. Mohammed and E. Salama and S. Bhowmik and Dewanjee, \{R. K.\} and M. Kadastik and L. Perrini and J. Nash and E. Laird and \{CMS Collaboration\}",

year = "2018",

month = jun,

day = "20",

doi = "10.1007/JHEP06(2018)102",

language = "English",

volume = "2018",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer-Verlag London Ltd.",

number = "6",

}

TY - JOUR

T1 - Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at √s = 13 TeV

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 - Taurok, A.

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 - Van Remortel, N.

AU - Abu Zeid, S.

AU - Blekman, F.

AU - D’hondt, J.

AU - De Bruyn, I.

AU - De Clercq, J.

AU - Deroover, K.

AU - Flouris, G.

AU - Lontkovskyi, D.

AU - Lowette, S.

AU - Marchesini, I.

AU - Moortgat, S.

AU - Moreels, L.

AU - Python, Q.

AU - Skovpen, K.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Van Mulders, P.

AU - Van Parijs, I.

AU - Beghin, D.

AU - Bilin, B.

AU - Brun, H.

AU - Clerbaux, B.

AU - De Lentdecker, G.

AU - Delannoy, H.

AU - Dorney, B.

AU - Fasanella, G.

AU - Favart, L.

AU - Goldouzian, R.

AU - Grebenyuk, A.

AU - Kalsi, A. K.

AU - Lenzi, T.

AU - Luetic, J.

AU - Maerschalk, T.

AU - Marinov, A.

AU - Seva, T.

AU - Starling, E.

AU - Vander Velde, C.

AU - Vanlaer, P.

AU - Vannerom, D.

AU - Yonamine, R.

AU - Zenoni, F.

AU - Cornelis, T.

AU - Dobur, D.

AU - Fagot, A.

AU - Gul, M.

AU - Khvastunov, I.

AU - Poyraz, D.

AU - Roskas, C.

AU - Salva, S.

AU - Trocino, D.

AU - Tytgat, M.

AU - Verbeke, W.

AU - Vit, M.

AU - Zaganidis, N.

AU - Bakhshiansohi, H.

AU - Bondu, O.

AU - Brochet, S.

AU - Bruno, G.

AU - Caputo, C.

AU - Caudron, A.

AU - David, P.

AU - De Visscher, S.

AU - Delaere, C.

AU - Delcourt, M.

AU - Francois, B.

AU - Giammanco, A.

AU - Komm, M.

AU - Krintiras, G.

AU - Lemaitre, V.

AU - Magitteri, A.

AU - Mertens, A.

AU - Musich, M.

AU - Piotrzkowski, K.

AU - Quertenmont, L.

AU - Saggio, A.

AU - Vidal Marono, M.

AU - Wertz, S.

AU - Zobec, J.

AU - Aldá Júnior, W. L.

AU - Alves, F. L.

AU - Alves, G. A.

AU - Brito, L.

AU - Correia Silva, G.

AU - Hensel, C.

AU - Moraes, A.

AU - Pol, M. E.

AU - Rebello Teles, P.

AU - Belchior Batista Das Chagas, E.

AU - Carvalho, W.

AU - Chinellato, J.

AU - Coelho, E.

AU - Da Costa, E. M.

AU - Da Silveira, G. G.

AU - De Jesus Damiao, D.

AU - Fonseca De Souza, S.

AU - Huertas Guativa, L. M.

AU - Malbouisson, H.

AU - Melo De Almeida, M.

AU - Mora Herrera, C.

AU - Mundim, L.

AU - Nogima, H.

AU - Sanchez Rosas, L. J.

AU - Santoro, A.

AU - Sznajder, A.

AU - Thiel, M.

AU - Tonelli Manganote, E. J.

AU - Torres Da Silva De Araujo, F.

AU - Vilela Pereira, A.

AU - Ahuja, S.

AU - Bernardes, C. A.

AU - Fernandez Perez Tomei, T. R.

AU - Gregores, E. M.

AU - Mercadante, P. G.

AU - Novaes, S. F.

AU - Padula, Sandra S.

AU - Romero Abad, D.

AU - Ruiz Vargas, J. C.

AU - Aleksandrov, A.

AU - Hadjiiska, R.

AU - Iaydjiev, P.

AU - Misheva, M.

AU - Rodozov, M.

AU - Shopova, M.

AU - Sultanov, G.

AU - Dimitrov, A.

AU - Litov, L.

AU - Pavlov, B.

AU - Petkov, P.

AU - Fang, W.

AU - Gao, X.

AU - Yuan, L.

AU - Ahmad, M.

AU - Bian, J. G.

AU - Chen, G. M.

AU - Chen, H. S.

AU - Chen, M.

AU - Chen, Y.

AU - Jiang, C. H.

AU - Leggat, D.

AU - Liao, H.

AU - Liu, Z.

AU - Romeo, F.

AU - Shaheen, S. M.

AU - Spiezia, A.

AU - Tao, J.

AU - Wang, C.

AU - Wang, Z.

AU - Yazgan, E.

AU - Zhang, H.

AU - Zhao, J.

AU - Ban, Y.

AU - Chen, G.

AU - Li, J.

AU - Li, Q.

AU - Liu, S.

AU - Mao, Y.

AU - Qian, S. J.

AU - Wang, D.

AU - Xu, Z.

AU - Zhang, F.

AU - Wang, Y.

AU - Avila, C.

AU - Cabrera, A.

AU - Carrillo Montoya, C. A.

AU - Chaparro Sierra, L. F.

AU - Florez, C.

AU - González Hernández, C. F.

AU - Ruiz Alvarez, J. D.

AU - Segura Delgado, M. A.

AU - Courbon, B.

AU - Godinovic, N.

AU - Lelas, D.

AU - Puljak, I.

AU - Ribeiro Cipriano, P. M.

AU - Sculac, T.

AU - Antunovic, Z.

AU - Kovac, M.

AU - Brigljevic, V.

AU - Ferencek, D.

AU - Kadija, K.

AU - Mesic, B.

AU - Starodumov, A.

AU - Susa, T.

AU - Ather, M. W.

AU - Attikis, A.

AU - Mavromanolakis, G.

AU - Mousa, J.

AU - Nicolaou, C.

AU - Ptochos, F.

AU - Razis, P. A.

AU - Rykaczewski, H.

AU - Finger, M.

AU - Carrera Jarrin, E.

AU - Abdelalim, A. A.

AU - Mohammed, Y.

AU - Salama, E.

AU - Bhowmik, S.

AU - Dewanjee, R. K.

AU - Kadastik, M.

AU - Perrini, L.

AU - Nash, J.

AU - Laird, E.

AU - CMS Collaboration

PY - 2018/6/20

Y1 - 2018/6/20

N2 - A search for flavor-changing neutral currents (FCNC) in events with the top quark and the Higgs boson is presented. The Higgs boson decay to a pair of b quarks is considered. The data sample corresponds to an integrated luminosity of√35.9 fb−1 recorded by the CMS experiment at the LHC in proton-proton collisions at s = 13 TeV. Two channels are considered: single top quark FCNC production in association with the Higgs boson (pp → tH), and top quark pair production with FCNC decay of the top quark (t → qH). Final states with one isolated lepton and at least three reconstructed jets, among which at least two are associated with b quarks, are studied. No significant deviation is observed from the predicted background. Observed (expected) upper limits at 95% confidence level are set on the branching fractions of top quark decays, B(t → uH) < 0.47% (0.34%) and B(t → cH) < 0.47% (0.44%), assuming a single nonzero FCNC coupling.

AB - A search for flavor-changing neutral currents (FCNC) in events with the top quark and the Higgs boson is presented. The Higgs boson decay to a pair of b quarks is considered. The data sample corresponds to an integrated luminosity of√35.9 fb−1 recorded by the CMS experiment at the LHC in proton-proton collisions at s = 13 TeV. Two channels are considered: single top quark FCNC production in association with the Higgs boson (pp → tH), and top quark pair production with FCNC decay of the top quark (t → qH). Final states with one isolated lepton and at least three reconstructed jets, among which at least two are associated with b quarks, are studied. No significant deviation is observed from the predicted background. Observed (expected) upper limits at 95% confidence level are set on the branching fractions of top quark decays, B(t → uH) < 0.47% (0.34%) and B(t → cH) < 0.47% (0.44%), assuming a single nonzero FCNC coupling.

KW - FCNC Interaction

KW - Hadron-Hadron scattering (experiments)

KW - Higgs physics

KW - Top physics

UR - https://www.scopus.com/pages/publications/85064670745

U2 - 10.1007/JHEP06(2018)102

DO - 10.1007/JHEP06(2018)102

M3 - Article

AN - SCOPUS:85064670745

SN - 1029-8479

VL - 2018

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 6

M1 - 102

ER -

Search for the flavor-changing neutral current interactions of the top quark and the Higgs boson which decays into a pair of b quarks at √s = 13 TeV

Abstract

Keywords

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