Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at $\sqrt{s}=510$ GeV in $\vec{p}+\vec{p}$ Collisions

Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at $\sqrt{s}=510$ GeV in $\vec{p}+\vec{p}$ Collisions

We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=510$ GeV. The measurements have been performed at midrapidity ($|\eta|

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Hauptverfasser: PHENIX Collaboration, Abdulameer, N. J, Aidala, C, Ajitanand, N. N, Akiba, Y, Alfred, M, Azmoun, B, Babintsev, V, Bai, M, Bathe, S, Beckman, S, Bichon, L, Blankenship, B, Bryslawskyj, J, Roman, V. Canoa, Datta, A, Dean, C. T, Ding, L, Drees, A, Durham, J. M, Durum, A, Fan, W, Fields, D. E, Finger,Jr, M, Firak, D, Franz, A, Gallus, P, Gal, C, Garg, P, Goto, Y, Perdekamp, M. Grosse, Gunji, T, Guragain, H, Haggerty, J. S, Hamagaki, H, Hanks, J, Hasegawa, S, Hodges, A, Homma, K, Iordanova, A, Jiang, X, Ji, Z, Jumper, D. S, Khachatryan, V, Khanzadeev, A, Kim, D. H, Kim, D. J, Kim, Y. K, Kingan, A, Kurgyis, B, Lebedev, A, Lee, K. B, Lee, S. H, Leitgab, M, Liu, M. X, Loomis, D. A, Makdisi, Y. I, Meles, A, Mendoza, M, Miake, Y, Mignerey, A. C, Mizuno, S, Moukhanova, T. V, Mwai, A, Niida, T, Ogilvie, C. A, Pak, R, Papavassiliou, V, Patel, L, Patel, M, Pate, S. F, Peng, W, Perepelitsa, D. V, Perera, G. D. N, Perry, J, Rak, J, Reynolds, D, Riabov, V, Sawada, S, Shibata, M, Shibata, T. -A, Shimomura, M, Sorensen, S. P, Sukhanov, A, Sun, J, Sziklai, J, Takahama, R, Tanida, K, Tannenbaum, M. J, Tomášek, M, Towell, R. S, Ueda, Y, Velkovska, J, Vrba, V, Woody, C. L, Wysocki, M, Xia, B, Yalcin, S, Younus, I, Zou, L
Format: Artikel
Sprache:eng
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Physics - High Energy Physics - Experiment
Physics - Nuclear Experiment
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Zusammenfassung:We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=510$ GeV. The measurements have been performed at midrapidity ($|\eta|
DOI:10.48550/arxiv.2202.08158