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@article{Sirunyan:2018:epjc/s10052-018-5752-x,
author = {Sirunyan, AM and Tumasyan, A and Adam, W and Ambrogi, F and Asilar, E and Bergauer, T and Brandstetter, J and Brondolin, E and Dragicevic, M and Eroe, J and Flechl, M and Friedl, M and Fruehwirth, R and Ghete, VM and Grossmann, J and Hoermann, N and Hrubec, J and Jeitler, M and Koenig, A and Kraetschmer, I and Liko, D and Madlener, T and Matsushita, T and Mikulec, I and Pree, E and Rabady, D and Rad, N and Rohringer, H and Schieck, J and Spanring, M and Spitzbart, D and Strauss, J and Waltenberger, W and Wittmann, J and Wulz, C-E and Zarucki, M and Chekhovsky, V and Mossolov, V and Gonzalez, JS and Shumeiko, N and De, Wolf EA and Janssen, X and Lauwers, J and Van, De Klundert M and Van, Haevermaet H and Van, Mechelen P and Van, Remortel N and Van, Spilbeeck A 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 Lowette, S and Moortgat, S and Moreels, L and Olbrechts, A and Python, Q and Skovpen, K and Tavernier, S and Van, Do},
doi = {epjc/s10052-018-5752-x},
journal = {EUROPEAN PHYSICAL JOURNAL C},
title = {Measurement of associated Z plus charm production in proton-proton collisions at root s=8TeV},
url = {http://dx.doi.org/10.1140/epjc/s10052-018-5752-x},
volume = {78},
year = {2018}
}

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TY  - JOUR
AB  - A study of the associated production of a Z boson and a charm quark jet (Z+c), and a comparison to production with a b quark jet (Z+b), in pp collisions at a centre-of-mass energy of 8TeV are presented. The analysis uses a data sample corresponding to an integrated luminosity of 19.7fb−1, collected with the CMS detector at the CERN LHC. The Z boson candidates are identified through their decays into pairs of electrons or muons. Jets originating from heavy flavour quarks are identified using semileptonic decays of c or b flavoured hadrons and hadronic decays of charm hadrons. The measurements are performed in the kinematic region with two leptons with pT>20GeV, |η|<2.1, 71<m<111GeV, and heavy flavour jets with pjetT>25GeV and |ηjet|<2.5. The Z+c production cross section is measured to be σ(pp→Z+c+X)B(Z→+−)=8.8±0.5(stat)±0.6(syst)pb. The ratio of the Z+c and Z+b production cross sections is measured to be σ(pp→Z+c+X)/σ(pp→Z+b+X)=2.0±0.2(stat)±0.2(syst). The Z+c production cross section and the cross section ratio are also measured as a function of the transverse momentum of the Z boson and of the heavy flavour jet. The measurements are compared with theoretical predictions.
AU  - Sirunyan,AM
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  - Eroe,J
AU  - Flechl,M
AU  - Friedl,M
AU  - Fruehwirth,R
AU  - Ghete,VM
AU  - Grossmann,J
AU  - Hoermann,N
AU  - Hrubec,J
AU  - Jeitler,M
AU  - Koenig,A
AU  - Kraetschmer,I
AU  - Liko,D
AU  - Madlener,T
AU  - Matsushita,T
AU  - Mikulec,I
AU  - Pree,E
AU  - Rabady,D
AU  - Rad,N
AU  - Rohringer,H
AU  - Schieck,J
AU  - Spanring,M
AU  - Spitzbart,D
AU  - Strauss,J
AU  - Waltenberger,W
AU  - Wittmann,J
AU  - Wulz,C-E
AU  - Zarucki,M
AU  - Chekhovsky,V
AU  - Mossolov,V
AU  - Gonzalez,JS
AU  - Shumeiko,N
AU  - De,Wolf EA
AU  - Janssen,X
AU  - Lauwers,J
AU  - Van,De Klundert M
AU  - Van,Haevermaet H
AU  - Van,Mechelen P
AU  - Van,Remortel N
AU  - Van,Spilbeeck A
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  - Lowette,S
AU  - Moortgat,S
AU  - Moreels,L
AU  - Olbrechts,A
AU  - Python,Q
AU  - Skovpen,K
AU  - Tavernier,S
AU  - Van,Doninck W
AU  - Van,Mulders P
AU  - Van,Parijs I
AU  - Brun,H
AU  - Clerbaux,B
AU  - De,Lentdecker G
AU  - Delannoy,H
AU  - Fasanella,G
AU  - Favart,L
AU  - Goldouzian,R
AU  - Grebenyuk,A
AU  - Karapostoli,G
AU  - Lenzi,T
AU  - Luetic,J
AU  - Maerschalk,T
AU  - Marinov,A
AU  - Randle-conde,A
AU  - Seva,T
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - Vannerom,D
AU  - Yonamine,R
AU  - Zenoni,F
AU  - Zhang,F
AU  - Cimmino,A
AU  - Cornelis,T
AU  - Dobur,D
AU  - Fagot,A
AU  - Gul,M
AU  - Khvastunov,I
AU  - Poyraz,D
AU  - Salva,S
AU  - Schofbeck,R
AU  - Tytgat,M
AU  - Van,Driessche W
AU  - Verbeke,W
AU  - Zaganidis,N
AU  - Bakhshiansohi,H
AU  - Bondu,O
AU  - Brochet,S
AU  - Bruno,G
AU  - Caudron,A
AU  - De,Visscher S
AU  - Delaere,C
AU  - Delcourt,M
AU  - Francois,B
AU  - Giammanco,A
AU  - Jafari,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  - Marono,MV
AU  - Wertz,S
AU  - Beliy,N
AU  - Alda,Junior WL
AU  - Alves,FL
AU  - Alves,GA
AU  - Brito,L
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  - Custodio,A
AU  - Da,Costa EM
AU  - Da,Silveira GG
AU  - De,Jesus Damiao D
AU  - Fonseca,De Souza S
AU  - Huertas,Guativa LM
AU  - Malbouisson,H
AU  - Mora,Herrera C
AU  - Mundim,L
AU  - Nogima,H
AU  - Santoro,A
AU  - Sznajder,A
AU  - Tonelli,Manganote EJ
AU  - Torres,Da Silva Araujo F
AU  - Vilela,Pereira A
AU  - Ahuja,S
AU  - Bernardes,CA
AU  - Fernandez,Perez Tomei TR
AU  - Gregores,EM
AU  - Mercadante,PG
AU  - Moon,CS
AU  - Novaes,SF
AU  - Padula,SS
AU  - Romero,Abad D
AU  - Ruiz,Vargas JC
AU  - Aleksandrov,A
AU  - Hadjiiska,R
AU  - Iay
DO  - epjc/s10052-018-5752-x
PY  - 2018///
SN  - 1434-6044
TI  - Measurement of associated Z plus charm production in proton-proton collisions at root s=8TeV
T2  - EUROPEAN PHYSICAL JOURNAL C
UR  - http://dx.doi.org/10.1140/epjc/s10052-018-5752-x
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000429589900001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/58968
VL  - 78
ER  -

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