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Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV

Publication ,  Journal Article
Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Chen, X ...
Published in: Physical Review D
March 1, 2019

We report new STAR measurements of the single-spin asymmetries AL for W+ and W- bosons produced in polarized proton-proton collisions at s=510 GeV as a function of the decay-positron and decay-electron pseudorapidity. The data were obtained in 2013 and correspond to an integrated luminosity of 250 pb-1. The results are combined with previous results obtained with 86 pb-1. A comparison with theoretical expectations based on polarized lepton-nucleon deep-inelastic scattering and prior polarized proton-proton data suggests a difference between the ū and d quark helicity distributions for 0.05

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Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

March 1, 2019

Volume

99

Issue

5
 

Citation

APA
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Adam, J., Adamczyk, L., Adams, J. R., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., … Hong, Y. (2019). Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV. Physical Review D, 99(5). https://doi.org/10.1103/PhysRevD.99.051102
Adam, J., L. Adamczyk, J. R. Adams, J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, et al. “Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV.” Physical Review D 99, no. 5 (March 1, 2019). https://doi.org/10.1103/PhysRevD.99.051102.
Adam J, Adamczyk L, Adams JR, Adkins JK, Agakishiev G, Aggarwal MM, et al. Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV. Physical Review D. 2019 Mar 1;99(5).
Adam, J., et al. “Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV.” Physical Review D, vol. 99, no. 5, Mar. 2019. Scopus, doi:10.1103/PhysRevD.99.051102.
Adam J, Adamczyk L, Adams JR, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Atetalla F, Attri A, Averichev GS, Bairathi V, Barish K, Bassill AJ, Behera A, Bellwied R, Bhasin A, Bhati AK, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Brandenburg JD, Brandin AV, Brown D, Bryslawskyj J, Bunzarov I, Butterworth J, Caines H, Calderón De La Barca Sánchez M, Cebra D, Chakaberia I, Chaloupka P, Chan BK, Chang FH, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen JH, Chen X, Cheng J, Cherney M, Christie W, Contin G, Crawford HJ, Csanad M, Das S, Dedovich TG, Deppner IM, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Dunlop JC, Edmonds T, Efimov LG, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Fedorisin J, Feng Y, Filip P, Finch E, Fisyak Y, Flores CE, Fulek L, Gagliardi CA, Galatyuk T, Geurts F, Gibson A, Grosnick D, Gunarathne DS, Gupta A, Guryn W, Hamad AI, Hamed A, Harlenderova A, Harris JW, He L, Heppelmann S, Herrmann N, Holub L, Hong Y. Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at s =510 GeV. Physical Review D. 2019 Mar 1;99(5).

Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

March 1, 2019

Volume

99

Issue

5