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Title: Feasibility Studies for Single Transverse-Spin Asymmetry Measurements at a Fixed-Target Experiment Using the LHC Proton and Lead Beams (AFTER@LHC)

Journal Article · · Few-Body Systems

Measurement of Single Transverse-Spin Asymmetry $$A_N$$ for various quarkonia states and Drell-Yan lepton pairs can shed light on the orbital angular momentum of quarks and gluons, a fundamental ingredient of the spin puzzle of the proton. The AFTER@LHC experiment combines a unique kinematic coverage and large luminosities of the Large Hadron Collider beams to deliver precise measurements, complementary to the knowledge provided by collider experiments such as RHIC. Here, we report on sensitivity studies for $$J/\Psi$$, $$\Upsilon$$ and Drell-Yan $$A_N$$ done using the performance of a LHCb-like and ALICE-like detectors, combined with a polarised hydrogen and $^3$He target. Particularly, such research will provide new insights and knowledge about transverse-momentum-dependent parton distribution functions for quarks and gluons and on twist-3 collinear matrix elements in a proton and a neutron.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-06OR23177; FCPPL-Quarkonium4AFTER; TMD@NLO; FPA2013-46570-C2-1-P
OSTI ID:
1357274
Alternate ID(s):
OSTI ID: 1374993
Report Number(s):
JLAB-THY-17-2401; DOE/OR/23177-4052; 139; PII: 1299
Journal Information:
Few-Body Systems, Journal Name: Few-Body Systems Vol. 58 Journal Issue: 4; ISSN 0177-7963
Publisher:
SpringerCopyright Statement
Country of Publication:
Austria
Language:
English
Citation Metrics:
Cited by: 28 works
Citation information provided by
Web of Science

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