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Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV

Publication ,  Journal Article
Adamczyk, L; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alakhverdyants, AV; Alekseev, I; Alford, J; Anson, CD; Arkhipkin, D; Aschenauer, E ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
February 12, 2013

We report a high precision measurement of the transverse single spin asymmetry AN at the center of mass energy s=200GeV in elastic proton-proton scattering by the STAR experiment at RHIC. The AN was measured in the four-momentum transfer squared t range 0.003≤|t|≤0.035(GeV/c)2, the region of a significant interference between the electromagnetic and hadronic scattering amplitudes. The measured values of AN and its t-dependence are consistent with a vanishing hadronic spin-flip amplitude, thus providing strong constraints on the ratio of the single spin-flip to the non-flip amplitudes. Since the hadronic amplitude is dominated by the Pomeron amplitude at this s, we conclude that this measurement addresses the question about the presence of a hadronic spin flip due to the Pomeron exchange in polarized proton-proton elastic scattering. © 2013 Elsevier B.V.

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Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

February 12, 2013

Volume

719

Issue

1-3

Start / End Page

62 / 69

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics
 

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Adamczyk, L., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Alakhverdyants, A. V., Alekseev, I., … Haag, B. (2013). Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 719(1–3), 62–69. https://doi.org/10.1016/j.physletb.2013.01.014
Adamczyk, L., G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, et al. “Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 719, no. 1–3 (February 12, 2013): 62–69. https://doi.org/10.1016/j.physletb.2013.01.014.
Adamczyk L, Agakishiev G, Aggarwal MM, Ahammed Z, Alakhverdyants AV, Alekseev I, et al. Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2013 Feb 12;719(1–3):62–9.
Adamczyk, L., et al. “Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 719, no. 1–3, Feb. 2013, pp. 62–69. Scopus, doi:10.1016/j.physletb.2013.01.014.
Adamczyk L, Agakishiev G, Aggarwal MM, Ahammed Z, Alakhverdyants AV, Alekseev I, Alford J, Anson CD, Arkhipkin D, Aschenauer E, Averichev GS, Balewski J, Banerjee A, Barnovska Z, Beavis DR, Bellwied R, Betancourt MJ, Betts RR, Bhasin A, Bhati AK, Bichsel H, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Borowski W, Bouchet J, Brandin AV, Brovko SG, Bruna E, Bültmann S, Bunzarov I, Burton TP, Butterworth J, Cai XZ, Caines H, Calderón de la Barca Sánchez M, Cebra D, Cendejas R, Cervantes MC, Chaloupka P, Chang Z, Chattopadhyay S, Chen HF, Chen JH, Chen JY, Chen L, Cheng J, Cherney M, Chikanian A, Christie W, Chung P, Chwastowski J, Codrington MJM, Corliss R, Cramer JG, Crawford HJ, Cui X, Das S, Davila Leyva A, De Silva LC, Debbe RR, Dedovich TG, Deng J, Derradi de Souza R, Dhamija S, Didenko L, Ding F, Dion A, Djawotho P, Dong X, Drachenberg JL, Draper JE, Du CM, Dunkelberger LE, Dunlop JC, Efimov LG, Elnimr M, Engelage J, Eppley G, Eun L, Evdokimov O, Fatemi R, Fazio S, Fedorisin J, Fersch RG, Filip P, Finch E, Fisyak Y, Gagliardi CA, Gangadharan DR, Geurts F, Gibson A, Gliske S, Gorbunov YN, Grebenyuk OG, Grosnick D, Gupta S, Guryn W, Haag B. Single spin asymmetry AN in polarized proton-proton elastic scattering at s=200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2013 Feb 12;719(1–3):62–69.
Journal cover image

Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

February 12, 2013

Volume

719

Issue

1-3

Start / End Page

62 / 69

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics