Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session E06: Minisymposium: 3D Nucleon Structure II
7:00 PM–8:45 PM,
Wednesday, November 29, 2023
Hilton Waikoloa Village
Room: Queens 5
Chair: Alexei Prokudin, Penn State Berks
Abstract: E06.00006 : Measurements of $W^+$ and $W^-$ cross sections and their ratio in $pp$ collisions at STAR
8:15 PM–8:30 PM
Presenter:
Jae D Nam
(Temple University)
Author:
Jae D Nam
(Temple University)
Measurements of $W^+$ and $W^-$ production in $pp$ collider experiments can be used to probe the $ar{d}$ and $ar{u}$ at a large $Q^2$ set by the $W$ mass.
Presented in this talk are the latest updates of $W^+$ and $W^-$ cross sections and their ratio using the STAR $pp$ collision data at a center-of-mass energy of $sqrt{s} = 510,mathrm{GeV}$ collected in 2017, corresponding to an integrated luminosity of $350,mathrm{pb^{-1}}$.
The measurements were performed by tagging leptons from the weak decay channel ($W
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