Cross section and longitudinal single-spin asymmetry 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>A</mml:mi><mml:mi>L</mml:mi></mml:msub></mml:math>
 for forward 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>W</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>μ</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:mi>ν</mml:mi></mml:math>
 production in polarized 
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Adare, A.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Akimoto, R.; Alexander, J.; Alfred, M.; Aoki, Kazuo; Apadula, N.; Aramaki, Y.; Asano, H.; Atomssa, E. T.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Bagoly, A.; Bai, Mei; Bai, Xiaozhi; Bandara, N. S.; Bannier, B.; Barish, K. N.; Bathe, S.; Baublis, V.; Baumann, C.; Baumgart, Stephen; Bazilevsky, A.; Beaumier, M.; Beckman, S.; Belmont, R.; Berdnikov, A.; Berdnikov, Y.; Black, Deirdre; Blau, D.; Boër, M.; Bok, Jeongsu; Boyle, K.; Brooks, M. L.; Bryslawskyj, J.; Buesching, H.; Bumazhnov, V.; Butsyk, S.; Campbell, S.; Roman, V. Canoa; Chen, C.-H.; Y., C.; Chiu, M.; Choi, I. J.; Choi, J.; Choi, S.; Christiansen, P.; Chujo, T.; Cianciolo, V.; Citron, Z. H.; Cole, B.; Connors, M.; Cronin, N.; Crossette, N.; Csanád, M.; Csörgő, T.; Danley, T. W.; Datta, A.; Daugherity, M.; David, G.; DeBlasio, K.; Dehmelt, K.; Denisov, A.; Deshpande, A.; Desmond, E. J.; Ding, L.; Dion, A.; Do, J. H.; d’Orazio, Laurent; Drapier, O.; Drees, A.; Drees, K. 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M.; Joo, E.; Joo, K. S.; Jouan, D.; Jumper, D. S.; Kamin, J.; Kanda, S.; Kang, B. H.; Kang, J. H.; Kang, J. S.; Kapustinsky, J.; Kawall, D.; Kazantsev, A. V.; Key, J. A.; Khachatryan, V.; Khandai, P. K.; Khanzadeev, A.; Kihara, K.; Kijima, K. M.; Kim, C.; Kim, D. H.; Kim, D. J.; Kim, E.-J.; Kim, H.-J.; Kim, M.; Kim, Y.-J.; Kim, Y. K.; Kincses, D.; Kistenev, E.; Klatsky, J.; Kleinjan, D.; Kline, P.; Koblesky, T.; Kofarago, M.; Komkov, B.; Koster, J.; Kotchetkov, D.; Kotov, D.; Křížek, F.; Kurita, K.; Kurosawa, M.; Kwon, Y.; Lacey, R.; Lai, Yue Shi; Lajoie, J. G.; Lebedev, A.; Lee, D. M.; Lee, G. H.; Lee, J.; Lee, K. B.; Lee, K. S.; Lee, S. H.; Leitch, M. J.; Leitgab, M.; Leung, Y. H.; Lewis, B.; Lewis, N. A.; Li, X.; Li, X.; Lim, Sanghoon; Liu, M. X.; Lökòs, S.; Lynch, D.; Maguire, C.; Majoros, T.; Makdisi, Y. I.; Makek, M.; Manion, A.; Manko, V.; Mannel, E.; McCumber, M.; McGaughey, P. 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R.; Sugitate, T.; Суханов, А.; Sumita, T.; Sun, J.; Sun, Z.; Sziklai, J.; Takahara, A.; Taketani, A.; Tanaka, Y.; Tanida, K.; Tannenbaum, M. J.; Tarafdar, S.; Taranenko, A.; Tennant, E.; Tieulent, R.; Timilsina, A.; Todoroki, T.; Tomášek, M.; Torii, H.; Towell, M.; Towell, R. S.; Tserruya, I.; Ujvári, B.; Hecke, H. W. van; Vargyas, M.; Vazquez-Zambrano, E.; Veicht, A.; Velkovska, J.; Vértesi, R.; Virius, M.; Vossen, A.; Vrba, V.; Vznuzdaev, E.; Wang, X. R.; Watanabe, Daisuke; Watanabe, K.; Watanabe, Y.; Watanabe, Y.; Wei, F.; Whitaker, S.; Wolin, S.; Wong, C. P.; Woody, C. L.; Wysocki, M.; Xia, B.; Cai, X.; Xu, Q. H.; Xue, L.; Yalcin, S.; Yamaguchi, Y.; Yang, R.; Yanovich, A.; Yokkaichi, S.; Yoo, J.; Yoon, I.; Zhou, You; Younus, I.; Yu, H.; Yushmanov, I. E.; Zajc, W. A.; Zelenski, A.; Zharko, S.; Zhou, S.; Zou, L.

doi:10.1103/physrevd.98.032007

Cited by 19 publications

(8 citation statements)

References 26 publications

(33 reference statements)

Supporting

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“…√ s and compares the STAR 2011, 2012, and 2013 combined results to previous STAR [9], PHENIX [23,24], and LHC [25]-[28] results. The cross section curves were computed using FEWZ and the CT14 NLO PDF set.…”

Section: Resultsmentioning

confidence: 98%

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Posik¹

2017

Proceedings of XXV International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2017)

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Over the past several years, parton distribution functions (PDFs) have become more precise. However there are still kinematic regions where more data are needed to help constrain global PDF extractions, such as the sea quark distributionsd/ū near the valence region (Bjorken-x ≈ 0.1 -0.3). Current measurements appear to suggest different high-x behaviors of these distributions, leading to large uncertainties in global fits. The charged W cross section ratio (W + /W − ) is sensitive to the unpolarized u, d,ū, andd quark distributions at large Q 2 set by the W mass and could help shed light on this discrepancy. The STAR experiment at RHIC is well equipped to measure the leptonic decays of W bosons, in the mid-rapidity range (|η| ≤ 1), produced in proton+proton collisions at √ s = 500/510 GeV. At these kinematics STAR is sensitive to quark distributions nearBjorken-x of 0.16. STAR can also measure the W cross section ratio in a more forward bin ranging from 1

show abstract

Section: Resultsmentioning

confidence: 98%

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Posik¹

2017

Proceedings of XXV International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2017)

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“…These results include a full underlying event correction and they have since been published [41]. In conclusion of first part of the W-boson program, parity violating single spin asymmetries from PHENIX and STAR have been published and are available for the inclusion in global analyses to improve the determination of the sea quark polarization [42,43,44]. New theoretical tools have been developed to extract ∆g in polarized semi-inclusive deep inelastic scattering using heavy quark production at NLO [45,46], which will be important for the study of the gluon fusion process at a future EIC.…”

Section: Collinear Distributionsmentioning

confidence: 99%

Working Group 6 Summary: Spin and 3D Structure

Eyser¹,

Parsamyan²,

Rogers³

2019

Proceedings of XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2019)

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“…It is known that the single-spin asymmetry for W ± production in polarized proton-proton collisions is a tangible probe to the antiquark flavor asymmetry. The idea is tested at the STAR collaboration at RHIC and reported the polarized antiquark asymmetry [12][13][14]. Also, there are upated PDFs reflecting these experimental improvements [15,16].…”

Section: Introductionmentioning

confidence: 99%

Isovector helicity quark quasi-distributions inside a large Nc nucleon

Son¹

2022

Preprint

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In this letter, we report the results for the isovector polarized quark quasi-distribution functions ∆u(x, v) − ∆d(x, v) in the large Nc, calculated within the chiral quark-soliton model. It is shown that the polarized quark quasi-distributions present good convergence to the light-cone PDFs in the limit of the nucleon boost momentum PN → ∞ (or the velocity v → 1), compared to the case of the unpolarized isosinglet distributions.a This paper is dedicated to Maxim Vladimirovich ( †August, 2021), who was my teacher, collaborator and sincere friend.

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Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized
A. Adare¹,
C. Aidala²,
N. N. Ajitanand³
et al.

Cited by 19 publications

References 26 publications

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Working Group 6 Summary: Spin and 3D Structure

Isovector helicity quark quasi-distributions inside a large Nc nucleon

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Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized A. Adare1, C. Aidala2, N. N. Ajitanand3 et al.

Cited by 19 publications

References 26 publications

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Constraining the Sea Quark Distributions Through W$^\pm$ Cross Section Ratio Measurements at STAR

Working Group 6 Summary: Spin and 3D Structure

Isovector helicity quark quasi-distributions inside a large Nc nucleon

Contact Info

Product

Resources

About

Cross section and longitudinal single-spin asymmetry AL for forward W±→μ±ν production in polarized
A. Adare¹,
C. Aidala²,
N. N. Ajitanand³
et al.