Measurement of charged pion double spin asymmetries at midrapidity in longitudinally polarized $p+p$ collisions at $\sqrt {s}$ = 510 GeV

• Published in: Physical review. D 2020, Vol.102 (3)
• Main Authors: Acharya, U.A., Adare, A., Aidala, C., Ajitanand, N.N., Akiba, Y., Akimoto, R., Alfred, M., Apadula, N., Aramaki, Y., Asano, H., Atomssa, E.T., Awes, T.C., Azmoun, B., Babintsev, V., Bai, M., Bandara, N.S., Bannier, B., Barish, K.N., Bathe, S., Bazilevsky, A., Beaumier, M., Beckman, S., Belmont, R., Berdnikov, A., Berdnikov, Y., Black, D., Bok, J.S., Boyle, K., Brooks, M.L., Bryslawskyj, J., Buesching, H., Bumazhnov, V., Campbell, S., Canoa Roman, V., Chen, C.-H., Chi, C.Y., Chiu, M., Choi, I.J., Choi, J.B., Chujo, T., Citron, Z., Connors, M., Csanád, M., Csörgő, T., Danley, T.W., Datta, A., Daugherity, M.S., David, G., Deblasio, K., Dehmelt, K., Denisov, A., Deshpande, A., Desmond, E.J., Ding, L., Dion, A., Do, J.H., Drees, A., Drees, K.A., Durham, J.M., Durum, A., Enokizono, A., En'Yo, H., Esha, R., Esumi, S., Fadem, B., Fan, W., Feege, N., Fields, D.E., Finger, M., M.Finger, Jr, Fitzgerald, D., Fokin, S.L., Frantz, J.E., Franz, A., Frawley, A.D., Gal, C., Gallus, P., Gamez, E.A., Garg, P., Ge, H., Giordano, F., Glenn, A., Goto, Y., Grau, N., Greene, S.V., Grosse Perdekamp, M., Gu, Yuqiao, Gunji, T., Guragain, H., Hachiya, T., Haggerty, J.S., Hahn, K.I., Hamagaki, H., Han, S.Y., Hanks, J., Hasegawa, S., Haseler, T.O.S., He, X., Hemmick, T.K., Hill, J.C.
• Format: Article
• Language: English
• Subjects: High Energy Physics - Experiment; Physics
• ISSN: 2470-0010; 2470-0029
• DOI: 10.1103/PhysRevD.102.032001

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the longitudinal double spin asymmetries, ALL, for charged pions at midrapidity (|η|