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@article{Sirunyan:2018:10.1103/PhysRevLett.121.221802,
author = {Sirunyan, AM and Tumasyan, A and Adam, W and Ambrogi, F and Asilar, E and Bergauer, T and Brandstetter, J and Dragicevic, M and Erö, J and Escalante, Del Valle A and Flechl, M and Frühwirth, R and Ghete, VM and Hrubec, J and Jeitler, M and Krammer, N and Krätschmer, I and Liko, D and Madlener, T and Mikulec, I and Rad, N and Rohringer, H and Schieck, J and Schöfbeck, R and Spanring, M and Spitzbart, D and Taurok, A and Waltenberger, W and Wittmann, J and Wulz, C-E and Zarucki, M and Chekhovsky, V and Mossolov, V and Suarez, Gonzalez J and De, Wolf EA and Di, Croce D and Janssen, X and Lauwers, J and Pieters, M and Van, Haevermaet H and Van, Mechelen P and Van, Remortel N and Abu, Zeid S and Blekman, F and D'Hondt, J and De, Bruyn I and De, Clercq J and Deroover, K and Flouris, G and Lontkovskyi, D and Lowette, S and Marchesini, I and Moortgat, S and Moreels, L and Python, Q and Skovpen, K and Tavernier, S and Van, Doninck W and Van, Mulders P and Van, Parijs I and Beghin, D and Bilin, },
doi = {10.1103/PhysRevLett.121.221802},
journal = {Physical Review Letters},
title = {Evidence for the associated production of a single top quark and a photon in proton-proton collisions at sqrt[s]=13  TeV},
url = {http://dx.doi.org/10.1103/PhysRevLett.121.221802},
volume = {121},
year = {2018}
}

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TY  - JOUR
AB  - The first evidence of events consistent with the production of a single top quark in association with a photon is reported. The analysis is based on proton-proton collisions at sqrt[s]=13  TeV and recorded by the CMS experiment in 2016, corresponding to an integrated luminosity of 35.9  fb^{-1}. Events are selected by requiring the presence of a muon (μ), a photon (γ), an imbalance in transverse momentum from an undetected neutrino (ν), and at least two jets (j) of which exactly one is identified as associated with the hadronization of a b quark. A multivariate discriminant based on topological and kinematic event properties is employed to separate signal from background processes. An excess above the background-only hypothesis is observed, with a significance of 4.4 standard deviations. A fiducial cross section is measured for isolated photons with transverse momentum greater than 25 GeV in the central region of the detector. The measured product of the cross section and branching fraction is σ(pp→tγj)B(t→μνb)=115±17(stat)±30(syst)  fb, which is consistent with the standard model prediction.
AU  - Sirunyan,AM
AU  - Tumasyan,A
AU  - Adam,W
AU  - Ambrogi,F
AU  - Asilar,E
AU  - Bergauer,T
AU  - Brandstetter,J
AU  - Dragicevic,M
AU  - Erö,J
AU  - Escalante,Del Valle A
AU  - Flechl,M
AU  - Frühwirth,R
AU  - Ghete,VM
AU  - Hrubec,J
AU  - Jeitler,M
AU  - Krammer,N
AU  - Krätschmer,I
AU  - Liko,D
AU  - Madlener,T
AU  - Mikulec,I
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 EA
AU  - Di,Croce D
AU  - Janssen,X
AU  - Lauwers,J
AU  - Pieters,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,AK
AU  - Lenzi,T
AU  - Luetic,J
AU  - Postiau,N
AU  - Starling,E
AU  - Thomas,L
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - Vannerom,D
AU  - Wang,Q
AU  - Cornelis,T
AU  - Dobur,D
AU  - Fagot,A
AU  - Gul,M
AU  - Khvastunov,I
AU  - Poyraz,D
AU  - Roskas,C
AU  - Trocino,D
AU  - Tytgat,M
AU  - Verbeke,W
AU  - Vermassen,B
AU  - Vit,M
AU  - Zaganidis,N
AU  - Bakhshiansohi,H
AU  - Bondu,O
AU  - Brochet,S
AU  - Bruno,G
AU  - Caputo,C
AU  - David,P
AU  - Delaere,C
AU  - Delcourt,M
AU  - Francois,B
AU  - Giammanco,A
AU  - Krintiras,G
AU  - Lemaitre,V
AU  - Magitteri,A
AU  - Mertens,A
AU  - Musich,M
AU  - Piotrzkowski,K
AU  - Saggio,A
AU  - Vidal,Marono M
AU  - Wertz,S
AU  - Zobec,J
AU  - Alves,FL
AU  - Alves,GA
AU  - Correa,Martins Junior M
AU  - Correia,Silva G
AU  - Hensel,C
AU  - Moraes,A
AU  - Pol,ME
AU  - Rebello,Teles P
AU  - Belchior,Batista Das Chagas E
AU  - Carvalho,W
AU  - Chinellato,J
AU  - Coelho,E
AU  - Da,Costa EM
AU  - Da,Silveira GG
AU  - De,Jesus Damiao D
AU  - De,Oliveira Martins C
AU  - Fonseca,De Souza S
AU  - Malbouisson,H
AU  - Matos,Figueiredo D
AU  - Melo,De Almeida M
AU  - Mora,Herrera C
AU  - Mundim,L
AU  - Nogima,H
AU  - Prado,Da Silva WL
AU  - Sanchez,Rosas LJ
AU  - Santoro,A
AU  - Sznajder,A
AU  - Thiel,M
AU  - Tonelli,Manganote EJ
AU  - Torres,Da Silva De Araujo F
AU  - Vilela,Pereira A
AU  - Ahuja,S
AU  - Bernardes,CA
AU  - Calligaris,L
AU  - Tomei,TRFP
AU  - Gregores,EM
AU  - Mercadante,PG
AU  - Novaes,SF
AU  - Padula,SS
AU  - Aleksandrov,A
AU  - Hadjiiska,R
AU  - Iaydjiev,P
AU  - Marinov,A
AU  - Misheva,M
AU  - Ro
DO  - 10.1103/PhysRevLett.121.221802
PY  - 2018///
SN  - 0031-9007
TI  - Evidence for the associated production of a single top quark and a photon in proton-proton collisions at sqrt[s]=13  TeV
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/PhysRevLett.121.221802
UR  - https://www.ncbi.nlm.nih.gov/pubmed/30547617
UR  - http://hdl.handle.net/10044/1/65106
VL  - 121
ER  -

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