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Measurement of the Z/?* boson transverse momentum distribution in pp collisions at vs = 7 TeV with the ATLAS detector

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posted on 2023-06-09, 06:09 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, The ATLAS Collaboration
This paper describes a measurement of the Z/?* boson transverse momentum spectrum using ATLAS proton-proton collision data at a centre-of-mass energy of vs=7 TeV at the LHC. The measurement is performed in the Z/?* ? e+e- and Z/?* ? µ+µ- channels, using data corresponding to an integrated luminosity of 4.7 fb-¹. Normalized differential cross sections as a function of the Z/?* boson transverse momentum are measured for transverse momenta up to 800 GeV. The measurement is performed inclusively for Z/?* rapidities up to 2.4, as well as in three rapidity bins. The channel results are combined, compared to perturbative and resummed QCD calculations and used to constrain the parton shower parameters of Monte Carlo generators.

Funding

ATLAS; G0275; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/I006048/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Journal of High Energy Physics

ISSN

1029-8479

Publisher

Springer Verlag

Issue

9

Volume

2014

Article number

a145

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-05-08

First Open Access (FOA) Date

2017-05-08

First Compliant Deposit (FCD) Date

2017-05-05

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