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Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized p+p collisions at s=510 GeV (CROSBI ID 261039)

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(PHENIX Collaboration) Adare, A. ; ... ; Makek, Mihael ; ... ; Zou, L. Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized p+p collisions at s=510 GeV // Physical review. D, 98 (2018), 3; 032007, 14. doi: 10.1103/physrevd.98.032007

Podaci o odgovornosti

Adare, A. ; ... ; Makek, Mihael ; ... ; Zou, L.

PHENIX Collaboration

engleski

Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized p+p collisions at s=510 GeV

We have measured the cross section and single- spin asymmetries from forward W±→μ±ν production in longitudinally polarized p+p collisions at s=510 GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin asymmetries provide new insights into the sea quark helicities in the proton. The charge of the W bosons provides a natural flavor separation of the participating partons.

spin asymmetry ; p+p ; PHENIX

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Podaci o izdanju

98 (3)

2018.

032007

14

objavljeno

2470-0010

2470-0029

10.1103/physrevd.98.032007

Povezanost rada

Fizika

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