Measurement Of J/Psi And Psi(2s) Polarization In P(P)Over-Bar Collisions At Root S=1.8 Tev

T Affolder,H Akimoto,A Akopian,Mg Albrow,P Amaral,Sr Amendolia,D Amidei,K Anikeev,J Antos,G Apollinari,T Arisawa,T Asakawa,W Ashmanskas,M Atac,F Azfar,P Azzi-Bacchetta,N Bacchetta,Mw Bailey,S Bailey,P De Barbaro,A Barbaro-Galtieri,Ve Barnes,Ba Barnett,M Barone,G Bauer,F Bedeschi,S Belforte,G Bellettini,J Bellinger,D Benjamin,J Bensinger,A Beretvas,Jp Berge,J Berryhill,B Bevensee,A Bhatti,M Binkley,D Bisello,Re Blair,C Blocker,K Bloom,B Blumenfeld,Sr Blusk,A Bocci,A Bodek,W Bokhari,G Bolla,Y Bonushkin,D Bortoletto,J Boudreau,A Brandl,S Van Den Brink,C Bromberg,M Brozovic,N Bruner,E Buckley-Geer,J Budagov,Hs Budd,K Burkett,G Busetto,A Byon-Wagner,Kl Byrum,P Calafiura,M Campbell,W Carithers,J Carlson,D Carlsmith,J Cassada,A Castro,D Cauz,A Cerri,Aw Chan,Ps Chang,Pt Chang,J Chapman,C Chen,Yc Chen,Mt Cheng,M Chertok,G Chiarelli,I Chirikov-Zorin,G Chlachidze,F Chlebana,L Christofek,Ml Chu,Ci Ciobanu,Ag Clark,A Connolly,J Conway,J Cooper,M Cordelli,J Cranshaw,D Cronin-Hennessy,R Cropp,R Culbertson,D Dagenhart,F Dejongh,S Dell'Agnello,M Dell'Orso,R Demina,L Demortier,M Deninno,Pf Derwent,T Devlin,Jr Dittmann,S Donati,J Done,T Dorigo,N Eddy,K Einsweiler,Je Elias,E Engels,W Erdmann,D Errede,S Errede,Q Fan,Rg Feild,C Ferretti,Rd Field,I Fiori,B Flaugher,Gw Foster,M Franklin,J Freeman,J Friedman,Y Fukui,I Furic,S Galeotti,M Gallinaro,T Gao,M Garcia-Sciveres,Af Garfinkel,P Gatti,C Gay,S Geer,Dw Gerdes, P Giannetii,P Giromini,V Glagolev,M Gold,J Goldstein,A Gordon,At Goshaw,Y Gotra,K Goulianos,C Green,L Groer,C Grosso-Pilcher,M Guenther,G Guillian,Jg Da Costa,Rs Guo,Rm Haas,C Haber,E Hafen,Sr Hahn,C Hall,T Handa,R Handler,W Hao,F Happacher,K Hara,Ad Hardman,Rm Harris,F Hartmann,K Hatakeyama,J Hauser,J Heinrich,A Heiss,M Herndon,B Hinrichsen,Kd Hoffman,C Holck,R Hollebeek,L Holloway,R Hughes,J Huston,J Huth,H Ikeda,J Incandela,G Introzzi,J Iwai,Y Iwata,E James,H Jensen,M Jones,U Joshi,H Kambara,T Kamon,T Kaneko,K Karr,H Kasha,Y Kato,Ta Keaffaber,K Kelley,M Kelly,Rd Kennedy,R Kephart,D Khazins,T Kikuchi,B Kilminster,M Kirby,M Kirk,Bj Kim,Dh Kim,Hs Kim,Mj Kim,Sh Kim,Yk Kim,L Kirsch,S Klimenko,P Koehn,A Kongeter,K Kondo,J Konigsberg,K Kordas,A Korn,A Korytov,E Kovacs,J Kroll,M Kruse,Se Kuhlmann,K Kurino,T Kuwabara,At Laasanen,N Lai,S Lami,S Lammel,Ji Lamoureux,M Lancaster,G Latino,T Lecompte,Am Lee,K Lee,S Leone,Jd Lewis,M Lindgren,Tm Liss,Jb Liu,Yc Liu,N Lockyer,J Loken,M Loreti,D Lucchesi,P Lukens,S Lusin,L Lyons,J Lys,R Madrak,K Maeshima,P Maksimovic,L Malferrari,M Mangano,M Mariotti,G Martignon,A Martin,Jaj Matthews,J Mayer,P Mazzanti,Ks Mcfarland,P Mcintyre,E Mckigney,M Menguzzato,A Menzione,C Mesropian,T Miao,R Miller,Js Miller,H Minato,S Miscetti,M Mishina,G Mitselmakher,N Moggi,E Moore,R Moore,Y Morita,M Mulhearn,A Mukherjee,T Muller,A Munar,P Murat,S Murgia,M Musy,J Nachtman,S Nahn,H Nakada,T Nakaya,I Nakano,C Nelson,D Neuberger,C Newman-Holmes,Cyp Ngan,P Nicolaidi,H Niu,L Nodulman,A Nomerotski,Sh Oh,T Ohmoto,T Ohsugi,R Oishi,T Okusawa,J Olsen,W Orejudos,C Pagliarone,F Palmonari,R Paoletti,V Papadimitriou,Sp Pappas,D Partos,J Patrick,G Pauletta,M Paulini,C Paus,L Pescara,Tj Phillips,G Piacentino,Kt Pitts,R Plunkett,A Pompos,L Pondrom,G Pope,M Popovic,F Prokoshin,J Proudfoot,F Ptohos,O Pukhov,G Punzi,K Ragan,A Rakitine,D Reher,A Reichold,W Riegler,A Ribon,F Rimondi,L Ristori,Wj Robertson,A Robinson,T Rodrigo,S Rolli,L Rosenson,R Roser,R Rossin,A Safonov,Wk Sakumoto,D Saltzberg,A Sansoni,L Santi,H Sato,P Savard,P Schlabach,Ee Schmidt,Mp Schmidt,M Schmitt,L Scodellaro,A Scott,A Scribano,S Segler,S Seidel,Y Seiya,A Semenov,F Semeria,T Shah,Md Shapiro,Pf Shepard,T Shibayama,M Shimojima,M Shochet,J Siegrist,G Signorelli,A Sill,P Sinervo,P Singh,Aj Slaughter,K Sliwa,C Smith,Fd Snider,A Solodsky,J Spalding,T Speer,P Sphicas,F Spinella,M Spiropulu,L Spiegel,J Steele,A Stefanini,J Strologas,F Strumia,D Stuart,K Sumorok,T Suzuki,T Takano,R Takashima,K Takikawa,P Tamburello,M Tanaka,B Tannenbaum,W Taylor,M Tecchio,Pk Teng,K Terashi,S Tether,D Theriot,R Thurman-Keup,P Tipton,S Tkaczyk,K Tollefson,A Tollestrup,H Toyoda,W Trischuk,Jf De Troconiz,J Tseng,N Turini,F Ukegawa,T Vaiciulis,J Valls,S Vejcik,G Velev,R Vidal,R Vilar,I Volobouev,D Vucinic,Rg Wagner,Rl Wagner,J Wahl,Nb Wallace,Am Walsh,C Wang,Ch Wang,Mj Wang,T Watanabe,D Waters,T Watts,R Webb,H Wenzel,Wc Wester,Ab Wicklund,E Wicklund,Hh Williams,P Wilson,Bl Winer,D Winn,S Wolbers,D Wolinski,J Wolinski,S Wolinski,S Worm,X Wu,J Wyss,A Yagil,W Yao,Gp Yeh,P Yeh,J Yoh,C Yosef,T Yoshida,I Yu,S Yu,Z Yu,A Zanetti,F Zetti,S Zucchelli

PHYSICAL REVIEW LETTERS（2000）

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Abstract

We have measured the polarization of J/psi and psi(2S) mesons produced in p (p) over bar collisions at root s = 1.8 TeV. using data collected at the Collider Detector at Fermilab during 1992-1995. The polarization of promptly produced J/psi [psi(2S)] mesons is isolated from those produced in B-hadron decay, and measured over the kinematic range 4 [5.5] < P-T < 20 GeV/c and \y\ < 0.6. For P-T greater than or similar to 12 GeV/c we do not observe significant polarization in the prompt component.

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Key words

fragmentation

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