Bulletin of the American Physical Society
Fall 2022 Meeting of the APS Division of Nuclear Physics
Volume 67, Number 17
Thursday–Sunday, October 27–30, 2022; Time Zone: Central Daylight Time, USA; New Orleans, Louisiana
Session LI: Mini-Symposium: Nucleon Structure and Interactions III
2:00 PM–3:36 PM,
Saturday, October 29, 2022
Hyatt Regency Hotel
Room: Imperial 12
Chair: Nadia Fomin, University of Tennessee
Abstract: LI.00003 : Measurements of $W^+/W^-$ cross-section ratio in $pp$ collisions at STAR*
2:24 PM–2:36 PM
Presenter:
Jae D Nam
(Temple University)
Author:
Jae D Nam
(Temple University)
Collaboration:
STAR
Measurements of $W^+/W^-$ production ratio in $pp$ collider experiments, such as the STAR experiment at RHIC, are sensitive to the $\bar{d}/\bar{u}$ ratio at the leading order at a large $Q^2$ set by the $W$ mass.
Presented in this talk are the latest preliminary results of $W^+$ and $W^-$ cross-section ratio via lepton-decay tagging, 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 cover the mid $(|\eta|<1)$ and intermediate rapidities $(1 < \eta < 2)$, probing the $\bar{d}/\bar{u}$ ratio within the proton momentum fraction range of $0.06 < x < 0.4$.
*DOE
Follow Us |
Engage
Become an APS Member |
My APS
Renew Membership |
Information for |
About APSThe American Physical Society (APS) is a non-profit membership organization working to advance the knowledge of physics. |
© 2024 American Physical Society
| All rights reserved | Terms of Use
| Contact Us
Headquarters
1 Physics Ellipse, College Park, MD 20740-3844
(301) 209-3200
Editorial Office
100 Motor Pkwy, Suite 110, Hauppauge, NY 11788
(631) 591-4000
Office of Public Affairs
529 14th St NW, Suite 1050, Washington, D.C. 20045-2001
(202) 662-8700