Measurement of the polarization of the Υ(1S) and Υ(2S) states in pp̄ collisions at s=1.96TeV

Physical Review Letters

Volumn 101, Issue 18, 2008, Pages

  Abazov, V M ^an   Abbott, B ^cc   Abolins, M ^bs   Acharya, B S ^ag   Adams, M ^be   Adams, T ^bc   Aguilo, E ^f,g,h,i   Ahn, S H ^ai   Ahsan, M ^bm   Alexeev, G D ^an   Alkhazov, G ^ar   Alton, A ^br,ck   Alverson, G ^bq   Alves, G A ^b   Anastasoaie, M ^am   Ancu, L S ^am   Andeen, T ^bg   Anderson, S ^ay   Andrieu, B ^t   Anzelc, M S ^bg   Aoki, M ^bd   Arnoud, Y ^q   Arov, M ^bn   Arthaud, M ^u   Askew, A ^bc   Asman B ^as,at,au   Jesus, A C S Assis ^c   Atramentov, O ^bc   Avila, C ^k   Badaud, F ^p   Baden, A ^bo   Bagby, L ^bd   Baldin, B ^bd   Bandurin, D V ^bm   Banerjee, P ^ag   Banerjee, S ^ag   Barberis, E ^bq   Barfuss, A F ^r   Bargassa, P ^ch   Baringer, P ^bl   Barreto, J ^b   Bartlett, J F ^bd   Bassler, U ^u   Bauer, D ^aw   Beale, S ^f,g,h,i   Bean, A ^bl   Begalli, M ^c   Begel, M ^ca   Belanger Champagne, C ^as,at,au   Bellantoni, L ^bd   Bellavance, A ^bd   Benitez, J A ^bs   Beri, S B ^ae   Bernardi, G ^t   Bernhard, R ^aa   Bertram, I ^av   Besancon M ^u   Beuselinck, R ^aw   Bezzubov, V A ^aq   Bhat, P C ^bd   Bhatnagar, V ^ae   Biscarat, C ^w,x   Blazey, G ^bf   Blekman, F ^aw   Blessing, S ^bc   Bloch, D ^v   Bloom, K ^bu   Boehnlein, A ^bd   Boline, D ^bp   Bolton, T A ^bm   Boos, E E ^ap   Borissov, G ^av   Bose, T ^ce   Brandt, A ^cf   Brock, R ^bs   Brooijmans, G ^bx   Bross, A ^bd   Brown, D ^ci   Buchanan, N J ^bc   Buchholz, D ^bg   Buehler, M ^ci   Buescher, V ^z   Bunichev, V ^ap   Burdin, S ^av,cl   Burke, S ^ay   Burnett, T H ^cj   Buszello, C P ^aw   Butler, J M ^bp   Calfayan, P ^ac   Calvet, S ^s   Cammin, J ^by   Carvalho, W ^c   Casey, B C K ^bd   Castilla Valdez, H ^ak   Chakrabarti, S ^u   Chakraborty, D ^bf   Chan, K ^f,g,h,i   Chan, K M ^bi   Chandra, A ^bb   Charles, F ^v   Cheu, E ^ay   Chevallier, F ^q   Cho, D K ^bp   Choi, S ^aj   Choudhary, B ^af   Christofek, L ^ce   Christoudias, T ^aw   Cihangir, S ^bd   Claes, D ^bu   Clutter, J ^bl   Cooke, M ^ch   Cooper, W E ^bd   Corcoran, M ^ch   Couderc, F ^u   Cousinou, M C ^r   Crepe Renaudin S ^q   Cutts, D ^ce   Cwiok M ^ah   Da Motta, H ^b   Das, A ^ay   Davies, G ^aw   De, K ^cf   De Jong, S J ^am   De La Cruz Burelo, E ^br   De Oliveira Martins, C ^c   Degenhardt, J D ^br   Deliot F ^u   Demarteau, M ^bd   Demina, R ^by   Denisov, D ^bd   Denisov, S P ^aq   Desai, S ^bd   Diehl, H T ^bd   Diesburg, M ^bd   Dominguez, A ^bu   Dong, H ^bz   Dudko, L V ^ap   Duflot, L ^s   Dugad, S R ^ag   Duggan, D ^bc   Duperrin, A ^r   Dyer, J ^bs   Dyshkant, A ^bf   Eads, M ^bu   Edmunds, D ^bs   Ellison, J ^bb   Elvira, V D ^bd   Enari, Y ^ce   Eno, S ^bo   Ermolov, P ^ap   Evans, H ^bh   Evdokimov, A ^ca   Evdokimov, V N ^aq   Ferapontov, A V ^bm   Ferbel, T ^by   Fiedler, F ^ab   Filthaut, F ^am   Fisher, W ^bd   Fisk, H E ^bd   Fortner, M ^bf   Fox, H ^av   Fu, S ^bd   Fuess, S ^bd   Gadfort, T ^bx   Galea, C F ^am   Gallas, E ^bd   Garcia, C ^by   Garcia Bellido, A ^cj   Gavrilov, V ^ao   Gay, P ^p   Geist, W ^v   Gele D ^v   Gerber, C E ^be   Gershtein, Y ^bc   Gillberg, D ^f,g,h,i   Ginther, G ^by   Gollub, N ^as,at,au   Gomez B ^k   Goussiou, A ^cj   Grannis, P D ^bz   Greenlee, H ^bd   Greenwood, Z D ^bn   Gregores, E M ^d   Grenier, G ^w,ah   Gris, Ph ^p   Grivaz, J F ^s   Grohsjean, A ^ac   Grunendahl S ^bd   Grunewald M W ^ah   Guo, F ^bz   Guo, J ^bz   Gutierrez, G ^bd   Gutierrez, P ^cc   Haas, A ^bx   Hadley, N J ^bo   Haefner, P ^ac   Hagopian, S ^bc   Haley, J ^bv   Hall, I ^bs   Hall, R E ^ba   Han, L ^j   Harder, K ^ax   Harel, A ^by   Hauptman, J M ^bk   Hauser, R ^bs   Hays, J ^aw   Hebbeker, T ^y   Hedin, D ^bf   Hegeman, J G ^al   Heinson, A P ^bb   Heintz, U ^bp   Hensel, C ^z,cn   Herner, K ^bz   Hesketh, G ^bq   Hildreth, M D ^bi   Hirosky, R ^ci   Hobbs, J D ^bz   Hoeneisen, B ^o   Hoeth, H ^ad   Hohlfeld, M ^z   Hong, S J ^ai   Hossain, S ^cc   Houben, P ^al   Hu, Y ^bz   Hubacek, Z ^m   Hynek, V ^l   Iashvili, I ^bw   Illingworth, R ^bd   Ito, A S ^bd   Jabeen, S ^bp   Jaffre M ^s   Jain, S ^cc   Jakobs, K ^aa   Jarvis, C ^bo   Jesik, R ^aw   Johns, K ^ay   Johnson, C ^bx   Johnson, M ^bd   Jonckheere, A ^bd   Jonsson, P ^aw   Juste, A ^bd   Kajfasz, E ^r   Kalk, J M ^bn   Karmanov, D ^ap   Kasper, P A ^bd   Katsanos, I ^bx   Kau, D ^bc   Kaushik, V ^cf   Kehoe, R ^cg   Kermiche, S ^r   Khalatyan, N ^bd   Khanov, A ^cd   Kharchilava, A ^bw   Kharzheev, Y M ^an   Khatidze, D ^bx   Kim, T J ^ai   Kirby, M H ^bg   Kirsch, M ^y   Klima, B ^bd   Kohli, J M ^ae   Konrath, J P ^aa   Kozelov, A V ^aq   Kraus, J ^bs   Krop, D ^bh   Kuhl, T ^ab   Kumar, A ^bw   Kupco, A ⁿ   Kurca T ^w,x   Kuzmin, V A ^ap   Kvita, J ^l   Lacroix, F ^p   Lam, D ^bi   Lammers, S ^bx   Landsberg, G ^ce   Lebrun, P ^w,x   Lee, W M ^bd   Leflat, A ^ap   Lellouch, J ^t   Leveque, J ^ay   Li, J ^cf   Li, L ^bb   Li, Q Z ^bd   Lietti, S M ^e   Lima, J G R ^bf   Lincoln, D ^bd   Linnemann, J ^bs   Lipaev, V V ^aq   Lipton, R ^bd   Liu, Y ^j   Liu, Z ^f,g,h,i   Lobodenko, A ^ar   Lokajicek, M ⁿ   Love, P ^av   Lubatti, H J ^cj   Luna, R ^c   Lyon, A L ^bd   Maciel, A K A ^b   Mackin, D ^ch   Madaras, R J ^az   Mattig P ^ad   Magass, C ^y   Magerkurth, A ^br   Mal, P K ^cj   Malbouisson, H B ^c   Malik, S ^bu   Malyshev, V L ^an   Mao, H S ^bd   Maravin, Y ^bm   Martin, B ^q   McCarthy, R ^bz   Melnitchouk, A ^bt   Mendoza, L ^k   Mercadante, P G ^e   Merkin, M ^ap   Merritt, K W ^bd   Meyer, A ^y   Meyer, J ^z,cn   Millet, T ^w,x   Mitrevski, J ^bx   Mommsen, R K ^ax   Mondal, N K ^ag   Moore, R W ^f,g,h,i   Moulik, T ^bl   Muanza, G S ^w,x   Mulhearn, M ^bx   Mundal, O ^z   Mundim, L ^c   Nagy, E ^r   Naimuddin, M ^bd   Narain, M ^ce   Naumann, N A ^am   Neal, H A ^br   Negret, J P ^k   Neustroev, P ^ar   Nilsen, H ^aa   Nogima, H ^c   Novaes, S F ^e   Nunnemann, T ^ac   O'Dell, V ^bd   O'Neil, D C ^f,g,h,i   Obrant, G ^ar   Ochando, C ^s   Onoprienko, D ^bm   Oshima, N ^bd   Osman, N ^aw   Osta, J ^bi   Otec, R ^m   Otero y Garzon G J ^bd   Owen, M ^ax   Padley, P ^ch   Pangilinan, M ^ce   Parashar, N ^bj   Park, S J ^z,cn   Park, S K ^ai   Parsons, J ^bx   Partridge, R ^ce   Parua, N ^bh   Patwa, A ^ca   Pawloski, G ^ch   Penning, B ^aa   Perfilov, M ^ap   Peters, K ^ax   Peters, Y ^ad   Petroff P ^s   Petteni, M ^aw   Piegaia, R ^a   Piper, J ^bs   Pleier, M A ^z   Podesta Lerma, P L M ^ak,cm   Podstavkov, V M ^bd   Pogorelov, Y ^bi   Pol, M E ^b   Polozov, P ^ao   Pope, B G ^bs   Popov, A V ^aq   Potter, C ^f,g,h,i   Prado Da Silva, W L ^c   Prosper, H B ^bc   Protopopescu, S ^ca   Qian, J ^br   Quadt, A ^z,cn   Quinn, B ^bt   Rakitine, A ^av   Rangel, M S ^b   Ranjan, K ^af   Ratoff, P N ^av   Renkel, P ^cg   Reucroft, S ^bq   Rich, P ^ax   Rieger, J ^bh   Rijssenbeek, M ^bz   Ripp Baudot, I ^v   Rizatdinova, F ^cd   Robinson, S ^aw   Rodrigues, R F ^c   Rominsky, M ^cc   Royon, C ^u   Rubinov, P ^bd   Ruchti, R ^bi   Safronov, G ^ao   Sajot, G ^q   Sanchez Hernandez A ^ak   Sanders, M P ^t   Sanghi, B ^bd   Santoro, A ^c   Savage, G ^bd   Sawyer, L ^bn   Scanlon, T ^aw   Schaile, D ^ac   Schamberger, R D ^bz   Scheglov, Y ^ar   Schellman, H ^bg   Schliephake, T ^ad   Schwanenberger, C ^ax   Schwartzman, A ^bv   Schwienhorst, R ^bs   Sekaric, J ^bc   Severini, H ^cc   Shabalina, E ^be   Shamim, M ^bm   Shary, V ^u   Shchukin, A A ^aq   Shivpuri, R K ^af   Siccardi, V ^v   Simak, V ^m   Sirotenko, V ^bd   Skubic, P ^cc   Slattery, P ^by   Smirnov, D ^bi   Snow, G R ^bu   Snow, J ^cb   Snyder, S ^ca   Soldner Rembold S ^ax   Sonnenschein, L ^t   Sopczak, A ^av   Sosebee, M ^cf   Soustruznik, K ^l   Spurlock, B ^cf   Stark, J ^q   Steele, J ^bn   Stolin, V ^ao   Stoyanova, D A ^aq   Strandberg, J ^br   Strandberg, S ^as,at,au   Strang, M A ^bw   Strauss, E ^bz   Strauss, M ^cc   Strohmer R ^ac   Strom, D ^bg   Stutte, L ^bd   Sumowidagdo, S ^bc   Svoisky, P ^bi   Sznajder, A ^c   Tamburello, P ^ay   Tanasijczuk, A ^a   Taylor, W ^f,g,h,i   Temple, J ^ay   Tiller, B ^ac   Tissandier, F ^p   Titov, M ^u   Tokmenin, V V ^an   Toole, T ^bo   Torchiani, I ^aa   Trefzger, T ^ab   Tsybychev, D ^bz   Tuchming, B ^u   Tully, C ^bv   Tuts, P M ^bx   Unalan, R ^bs   Uvarov, L ^ar   Uvarov, S ^ar   Uzunyan, S ^bf   Vachon, B ^f,g,h,i   Van Den Berg, P J ^al   Van Kooten, R ^bh   Van Leeuwen, W M ^al   Varelas, N ^be   Varnes, E W ^ay   Vasilyev, I A ^aq   Vaupel, M ^ad   Verdier, P ^w,x   Vertogradov, L S ^an   Verzocchi, M ^bd   Villeneuve Seguier, F ^aw   Vint, P ^aw   Vokac, P ^m   Von Toerne, E ^bm   Voutilainen, M ^bv,co   Wagner, R ^bv   Wahl, H D ^bc   Wang, L ^bo   Wang, M H L S ^bd   Warchol, J ^bi   Watts, G ^cj   Wayne, M ^bi   Weber, G ^ab   Weber, M ^bd   Welty Rieger, L ^bh   Wenger, A ^aa,cp   Wermes, N ^z   Wetstein, M ^bo   White, A ^cf   Wicke, D ^ad   Wilson, G W ^bl   Wimpenny, S J ^bb   Wobisch, M ^bn   Wood, D R ^bq   Wyatt, T R ^ax   Xie, Y ^ce   Yacoob, S ^bg   Yamada, R ^bd   Yan, M ^bo   Yasuda, T ^bd   Yatsunenko, Y A ^an   Yip, K ^ca   Yoo, H D ^ce   Youn, S W ^bg   Yu, J ^cf   Zeitnitz, C ^ad   Zhao, T ^cj   Zhou, B ^br   Zhu, J ^bz   Zielinski, M ^by   Zieminska, D ^bh   Zieminski, A ^bh   Zivkovic, L ^bx   Zutshi, V ^bf   Zverev, E G ^ap   more..

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more..

Author keywords

[No Author keywords available]

Indexed keywords

ATOMIC PHYSICS; PHYSICS;

DATA SAMPLE; FERMILAB TEVATRON COLLIDER; LONGITUDINAL POLARIZATION; POLARIZATION PARAMETERS; POLARIZED COMPONENTS; PRODUCTION CROSS SECTION; TRANSVERSE MOMENTA;

POLARIZATION;

EID: 55849125824     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.101.182004     Document Type: Article

References (20)

1. N. Brambila, M. Kramer, R. Mussa, and A. Vairo, arXiv:hep-ph/0412158.
2. G.T. Bodwin, E. Braaten, and G.P. Lepage, Phys. Rev. D 51, 1125 (1995); PRVDAQ 0556-2821 10.1103/PhysRevD.51.1125
3. G.T. Bodwin E. Braaten G.P. Lepage Phys. Rev. D 55, 5853(E) (1997). PRVDAQ 0556-2821 10.1103/PhysRevD.55.5853
4. E. Braaten and S. Fleming, Phys. Rev. Lett. 74, 3327 (1995). PRLTAO 0031-9007 10.1103/PhysRevLett.74.3327
5. P. Cho and A.K. Leibovich, Phys. Rev. D 53, 150 (1996); PRVDAQ 0556-2821 10.1103/PhysRevD.53.150
6. P. Cho A.K. Leibovich Phys. Rev. D 53, 6203 (1996). PRVDAQ 0556-2821 10.1103/PhysRevD.53.6203
7. K. Anikeev, arXiv:hep-ph/0201071.
8. P. Cho and M.B. Wise, Phys. Lett. B 346, 129 (1995). PYLBAJ 0370-2693 10.1016/0370-2693(94)01658-Y
9. A. Abulencia (CDF Collaboration), Phys. Rev. Lett. 99, 132001 (2007). PRLTAO 0031-9007 10.1103/PhysRevLett.99.132001
10. E. Braaten and J. Lee, Phys. Rev. D 63, 071501(R) (2001). PRVDAQ 0556-2821
11. E. Braaten, S. Fleming, and A.K. Leibovich, Phys. Rev. D 63, 094006 (2001). PRVDAQ 0556-2821 10.1103/PhysRevD.63.094006
12. J.R. Andersen, Eur. Phys. J. C 35, 67 (2004) EPCFFB 1434-6044 10.1140/epjc/s2004-01775-7
13. S.P. Baranov and N.P. Zotov, Pis'ma Zh. Eksp. Teor. Fiz. PZETAB 0370-274X 86, 499 (2007).
14. V.M. Abazov (D0 Collaboration), Nucl. Instrum. Methods Phys. Res., Sect. A NIMAER 0168-9002 565, 463 (2006). 10.1016/j.nima.2006.05.248
15. T. Sjöstrand, Comput. Phys. Commun. 135, 238 (2001). CPHCBZ 0010-4655 10.1016/S0010-4655(00)00236-8
16. R. Brun and F. Carminati, CERN Program Library Long Writeup W5013, 1993 (unpublished).
17. V.M. Abazov (D0 Collaboration), Phys. Rev. Lett. 94, 232001 (2005); PRLTAO 0031-9007 10.1103/PhysRevLett.94.232001
18. V.M. Abazov Phys. Rev. Lett. 100, 049902(E) (2008). PRLTAO 0031-9007
19. W.-M. Yao, J. Phys. G JPGPED 0954-3899 33, 1 (2006). 10.1088/0954-3899/ 33/1/001
20. D. Acosta (CDF Collaboration), Phys. Rev. Lett. 88, 161802 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.88.161802