Measurement of the production cross section for Z+b jets in proton-proton collisions at s =13 TeV

CMS Collaboration

doi:10.1103/PhysRevD.105.092014

Measurement of the production cross section for Z+b jets in proton-proton collisions at s =13 TeV

CMS Collaboration

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16 引用（Scopus）

摘要

The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at s=13 TeV. The data sample corresponds to an integrated luminosity of 137 fb-1, collected by the CMS experiment at the LHC during 2016-2018. The integrated cross sections for Z+≥1 b jet and Z+≥2 b jets are reported for the electron, muon, and combined channels. The fiducial cross sections in the combined channel are 6.52±0.04(stat)±0.40(syst)±0.14(theo) pb for Z+≥1 b jet and 0.65±0.03(stat)±0.07(syst)±0.02(theo) pb for Z+≥2 b jets. The differential cross section distributions are measured as functions of various kinematic observables that are useful for precision tests of perturbative quantum chromodynamics predictions. The ratios of integrated and differential cross sections for Z+≥2b jets and Z+≥1 b jet processes are also determined. The value of the integrated cross section ratio measured in the combined channel is 0.100±0.005(stat)±0.007(syst)±0.003(theo). All measurements are compared with predictions from various event generators.

源语言	英语
文章编号	092014
期刊	Physical Review D
卷	105
期	9
DOI	https://doi.org/10.1103/PhysRevD.105.092014
出版状态	已出版 - 1 5月 2022

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10.1103/PhysRevD.105.092014

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@article{da1fac5f7d1b473c9d7538549b6bc03f,

title = "Measurement of the production cross section for Z+b jets in proton-proton collisions at s =13 TeV",

abstract = "The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at s=13 TeV. The data sample corresponds to an integrated luminosity of 137 fb-1, collected by the CMS experiment at the LHC during 2016-2018. The integrated cross sections for Z+≥1 b jet and Z+≥2 b jets are reported for the electron, muon, and combined channels. The fiducial cross sections in the combined channel are 6.52±0.04(stat)±0.40(syst)±0.14(theo) pb for Z+≥1 b jet and 0.65±0.03(stat)±0.07(syst)±0.02(theo) pb for Z+≥2 b jets. The differential cross section distributions are measured as functions of various kinematic observables that are useful for precision tests of perturbative quantum chromodynamics predictions. The ratios of integrated and differential cross sections for Z+≥2b jets and Z+≥1 b jet processes are also determined. The value of the integrated cross section ratio measured in the combined channel is 0.100±0.005(stat)±0.007(syst)±0.003(theo). All measurements are compared with predictions from various event generators.",

author = "\{CMS Collaboration\} and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and \{Escalante Del Valle\}, A. and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and L. Lechner and D. Liko and I. Mikulec and P. Paulitsch and Pitters, \{F. M.\} and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and V. Chekhovsky and A. Litomin and V. Makarenko and Darwish, \{M. R.\} and \{De Wolf\}, \{E. A.\} and T. Janssen and T. Kello and A. Lelek and \{Rejeb Sfar\}, H. and \{Van Mechelen\}, P. and \{Van Putte\}, S. and \{Van Remortel\}, N. and F. Blekman and Bols, \{E. S.\} and J. D{\textquoteright}Hondt and M. Delcourt and \{El Faham\}, H. and S. Lowette and S. Moortgat and A. Morton and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and \{Van Doninck\}, W. and D. Beghin and B. Bilin and T. Cheng and L. Wang",

note = "Publisher Copyright: {\textcopyright} 2022 CERN.",

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AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Escalante Del Valle, A.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Mikulec, I.

AU - Paulitsch, P.

AU - Pitters, F. M.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Templ, S.

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AU - Makarenko, V.

AU - Darwish, M. R.

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AU - Janssen, T.

AU - Kello, T.

AU - Lelek, A.

AU - Rejeb Sfar, H.

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - D’Hondt, J.

AU - Delcourt, M.

AU - El Faham, H.

AU - Lowette, S.

AU - Moortgat, S.

AU - Morton, A.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Beghin, D.

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N2 - The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at s=13 TeV. The data sample corresponds to an integrated luminosity of 137 fb-1, collected by the CMS experiment at the LHC during 2016-2018. The integrated cross sections for Z+≥1 b jet and Z+≥2 b jets are reported for the electron, muon, and combined channels. The fiducial cross sections in the combined channel are 6.52±0.04(stat)±0.40(syst)±0.14(theo) pb for Z+≥1 b jet and 0.65±0.03(stat)±0.07(syst)±0.02(theo) pb for Z+≥2 b jets. The differential cross section distributions are measured as functions of various kinematic observables that are useful for precision tests of perturbative quantum chromodynamics predictions. The ratios of integrated and differential cross sections for Z+≥2b jets and Z+≥1 b jet processes are also determined. The value of the integrated cross section ratio measured in the combined channel is 0.100±0.005(stat)±0.007(syst)±0.003(theo). All measurements are compared with predictions from various event generators.

AB - The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at s=13 TeV. The data sample corresponds to an integrated luminosity of 137 fb-1, collected by the CMS experiment at the LHC during 2016-2018. The integrated cross sections for Z+≥1 b jet and Z+≥2 b jets are reported for the electron, muon, and combined channels. The fiducial cross sections in the combined channel are 6.52±0.04(stat)±0.40(syst)±0.14(theo) pb for Z+≥1 b jet and 0.65±0.03(stat)±0.07(syst)±0.02(theo) pb for Z+≥2 b jets. The differential cross section distributions are measured as functions of various kinematic observables that are useful for precision tests of perturbative quantum chromodynamics predictions. The ratios of integrated and differential cross sections for Z+≥2b jets and Z+≥1 b jet processes are also determined. The value of the integrated cross section ratio measured in the combined channel is 0.100±0.005(stat)±0.007(syst)±0.003(theo). All measurements are compared with predictions from various event generators.

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U2 - 10.1103/PhysRevD.105.092014

DO - 10.1103/PhysRevD.105.092014

M3 - 文章

AN - SCOPUS:85132573375

SN - 2470-0010

VL - 105

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092014

ER -

Measurement of the production cross section for Z+b jets in proton-proton collisions at s =13 TeV

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