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Collins asymmetries in inclusive charged and pairs produced in annihilation

Author(s): Lees, JP; Poireau, V; Tisserand, V; Grauges, E; Palano, A; et al

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Abstract: We present measurements of Collins asymmetries in the inclusive process eþe− → h1h2X, h1h2 ¼ KK, Kπ, ππ, at the center-of-mass energy of 10.6 GeV, using a data sample of 468 fb−1 collected by the BABAR experiment at the PEP-II B factory at SLAC National Accelerator Center. Considering hadrons in opposite thrust hemispheres of hadronic events, we observe clear azimuthal asymmetries in the ratio of unlike sign to like sign, and unlike sign to all charged h1h2 pairs, which increase with hadron energies. The Kπ asymmetries are similar to those measured for the ππ pairs, whereas those measured for high-energy KK pairs are, in general, larger.
Publication Date: Dec-2015
Electronic Publication Date: 22-Dec-2015
Citation: Lees, JP, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Stugu, B, Brown, DN, Kerth, LT, Kolomensky, Yu G, Lee, MJ, Lynch, G, Koch, H, Schroeder, T, Hearty, C, Mattison, TS, McKenna, JA, So, RY, Khan, A, Blinov, VE, Buzykaev, AR, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, Yu I, Solodov, EP, Todyshev, K Yu, Lankford, AJ, Dey, B, Gary, JW, Long, O, Franco Sevilla, M, Hong, TM, Kovalskyi, D, Richman, JD, West, CA, Eisner, AM, Lockman, WS, Panduro Vazquez, W, Schumm, BA, Seiden, A, Chao, DS, Cheng, CH, Echenard, B, Flood, KT, Hitlin, DG, Miyashita, TS, Ongmongkolkul, P, Porter, FC, Röhrken, M, Andreassen, R, Huard, Z, Meadows, BT, Pushpawela, BG, Sokoloff, MD, Sun, L, Bloom, PC, Ford, WT, Gaz, A, Smith, JG, Wagner, SR, Ayad, R, Toki, WH, Spaan, B, Bernard, D, Verderi, M, Playfer, S, Bettoni, D, Bozzi, C, Calabrese, R, Cibinetto, G, Fioravanti, E, Garzia, I, Luppi, E, Piemontese, L, Santoro, V, Calcaterra, A, de Sangro, R, Finocchiaro, G, Martellotti, S, Patteri, P, Peruzzi, IM, Piccolo, M, Zallo, A, Contri, R, Monge, MR, Passaggio, S, Patrignani, C, Bhuyan, B, Prasad, V, Adametz, A, Uwer, U, Lacker, HM, Mallik, U, Chen, C, Cochran, J, Prell, S, Ahmed, H, Gritsan, AV, Arnaud, N, Davier, M, Derkach, D, Grosdidier, G, Le Diberder, F, Lutz, AM, Malaescu, B, Roudeau, P, Stocchi, A, Wormser, G, Lange, DJ, Wright, DM, Coleman, JP, Fry, JR, Gabathuler, E, Hutchcroft, DE, Payne, DJ, Touramanis, C, Bevan, AJ, Di Lodovico, F, Sacco, R, Cowan, G, Brown, DN, Davis, CL, Denig, AG, Fritsch, M, Gradl, W, Griessinger, K, Hafner, A, Schubert, KR, Barlow, RJ, Lafferty, GD, Cenci, R, Hamilton, B, Jawahery, A, Roberts, DA, Cowan, R, Cheaib, R, Patel, PM, Robertson, SH, Neri, N, Palombo, F, Cremaldi, L, Godang, R, Summers, DJ, Simard, M, Taras, P, De Nardo, G, Onorato, G, Sciacca, C, Raven, G, Jessop, CP, LoSecco, JM, Honscheid, K, Kass, R, Margoni, M, Morandin, M, Posocco, M, Rotondo, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben-Haim, E, Bomben, M, Bonneaud, GR, Briand, H, Calderini, G, Chauveau, J, Leruste, Ph, Marchiori, G, Ocariz, J, Biasini, M, Manoni, E, Rossi, A, Angelini, C, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Chrzaszcz, M, Forti, F, Giorgi, MA, Lusiani, A, Oberhof, B, Paoloni, E, Rama, M, Rizzo, G, Walsh, JJ, Lopes Pegna, D, Olsen, J, Smith, AJS, Anulli, F, Faccini, R, Ferrarotto, F, Ferroni, F, Gaspero, M, Pilloni, A, Piredda, G, Bünger, C, Dittrich, S, Grünberg, O, Hess, M, Leddig, T, Voß, C, Waldi, R, Adye, T, Olaiya, EO, Wilson, FF, Emery, S, Vasseur, G, Aston, D, Bard, DJ, Cartaro, C, Convery, MR, Dorfan, J, Dubois-Felsmann, GP, Dunwoodie, W, Ebert, M, Field, RC, Fulsom, BG, Graham, MT, Hast, C, Innes, WR, Kim, P, Leith, DWGS, Luitz, S, Luth, V, MacFarlane, DB, Muller, DR, Neal, H, Pulliam, T, Ratcliff, BN, Roodman, A, Schindler, RH, Snyder, A, Su, D, Sullivan, MK, Va’vra, J, Wisniewski, WJ, Wulsin, HW, Purohit, MV, Wilson, JR, Randle-Conde, A, Sekula, SJ, Bellis, M, Burchat, PR, Puccio, EMT, Alam, MS, Ernst, JA, Gorodeisky, R, Guttman, N, Peimer, DR, Soffer, A, Spanier, SM, Ritchie, JL, Schwitters, RF, Izen, JM, Lou, XC, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Lanceri, L, Vitale, L, Martinez-Vidal, F, Oyanguren, A, Albert, J, Banerjee, Sw, Beaulieu, A, Bernlochner, FU, Choi, HHF, King, GJ, Kowalewski, R, Lewczuk, MJ, Lueck, T, Nugent, IM, Roney, JM, Sobie, RJ, Tasneem, N, Gershon, TJ, Harrison, PF, Latham, TE, Band, HR, Dasu, S, Pan, Y, Prepost, R, Wu, SL. (2015). Collins asymmetries in inclusive charged and pairs produced in annihilation. Physical Review D, 92 (11), 10.1103/PhysRevD.92.111101
DOI: doi:10.1103/PhysRevD.92.111101
ISSN: 1550-7998
EISSN: 1550-2368
Pages: 111101-1 - 111101-8
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review D
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.



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