Heavy quarkonium production in Z decays

被引：18
作者：
Acciarri, M
Achard, P
Adriani, O
Aguilar-Benitez, M
Alcaraz, J
Alemanni, G
Allaby, J
Aloisio, A
Alviggi, MG
Ambrosi, G
Anderhub, H
Andreev, VP
Angelescu, T
Anselmo, F
Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Balandras, A
Ball, RC
Banerjee, S
Banerjee, S
Banicz, K
Barczyk, A
Barillère, R
Barone, L
Bartalini, P
Basile, M
Battiston, R
Bay, A
Becattini, F
Becker, U
Behner, F
Berdugo, J
Berges, P
Bertucci, B
Betev, BL
Bhattacharya, S
Biasini, M
Biland, A
Blaising, JJ
Blyth, SC
Bobbink, GJ
Böhm, A
Boldizsar, L
Borgia, B
Bourilkov, D
Bourquin, M
Braccini, S
机构：
[1] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[2] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany
[3] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany
[4] NIKHEF H, Natl Lab High Energy Phys, NL-1009 DB Amsterdam, Netherlands
[5] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands
[6] Univ Michigan, Ann Arbor, MI 48109 USA
[7] Lab Annecy Le Vieux Phys Particules, LAPP, IN2P3, CNRS, F-74941 Annecy Le Vieux, France
[8] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
[9] Louisiana State Univ, Baton Rouge, LA 70803 USA
[10] Inst High Energy Phys, Beijing 100039, Peoples R China
[11] Humboldt Univ, D-10099 Berlin, Germany
[12] Univ Bologna, I-40126 Bologna, Italy
[13] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
[14] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[15] Northeastern Univ, Boston, MA 02115 USA
[16] Inst Atom Phys, R-76900 Bucharest, Romania
[17] Univ Bucharest, R-76900 Bucharest, Romania
[18] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary
[19] MIT, Cambridge, MA 02139 USA
[20] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy
[21] Univ Florence, I-50125 Florence, Italy
[22] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland
[23] FBLJA Project, World Lab, CH-1211 Geneva 23, Switzerland
[24] Univ Geneva, CH-1211 Geneva 4, Switzerland
[25] Univ Sci & Technol China, USTC, Hefei 230029, Anhui, Peoples R China
[26] Res Inst High Energy Phys, SEFT, SF-00014 Helsinki, Finland
[27] Univ Lausanne, CH-1015 Lausanne, Switzerland
[28] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy
[29] Univ Lecce, I-73100 Lecce, Italy
[30] Los Alamos Natl Lab, Los Alamos, NM 87544 USA
[31] Univ Lyon 1, Inst Phys Nucl, IN2P3, CNRS, F-69622 Villeurbanne, France
[32] CIEMAT, E-28040 Madrid, Spain
[33] Inst Theoret & Expt Phys, Moscow 117259, Russia
[34] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy
[35] Univ Naples Federico II, I-80125 Naples, Italy
[36] Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus
[37] Catholic Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands
[38] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands
[39] CALTECH, Pasadena, CA 91125 USA
[40] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy
[41] Univ Perugia, I-06100 Perugia, Italy
[42] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[43] Princeton Univ, Princeton, NJ 08544 USA
[44] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[45] Univ Roma La Sapienza, I-00185 Rome, Italy
[46] Russian Acad Sci, Inst Nucl Phys, St Petersburg, Russia
[47] Univ Salerno, I-84100 Salerno, Italy
[48] Ist Nazl Fis Nucl, I-84100 Salerno, Italy
[49] Univ Calif San Diego, San Diego, CA 92093 USA
[50] Univ Santiago, Dept Fis Particular Elementales, E-15706 Santiago, Spain
来源：
PHYSICS LETTERS B | 1999年 / 453卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(99)00280-4
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report measurements of the inclusive production of heavy quarkonium states in Z decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The measurement of inclusive J production and an improved 95% confidence level upper limit on gamma production are presented. In addition, two independent measurements of the ratio, f(p), Of prompt J mesons to those from B decay are made using two different isolation cuts to separate prompt J mesons from J mesons produced in the decays of b hadrons. The results are: Br(Z --> J + X) = (3.21 +/- 0.21 (stat.)(-0.28)(+0.19) (sys.)) X 10(-3) Br(Z --> gamma(1S) + X) < 4.4 x 10(-5), f(p) = (7.1 +/- 2.1 (stat.) +/- 1.2 (sys.)(-0.8)(+1.5) (theo.)) X 10(-2). (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：94 / 106
页数：13
相关论文
共 39 条
  • [1] UPSILON-PRODUCTION IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV
    ABE, F
    ALBROW, MG
    AMENDOLIA, SR
    AMIDEI, D
    ANTOS, J
    ANWAYWIESE, C
    APOLLINARI, G
    ARETI, H
    ATAC, M
    AUCHINCLOSS, P
    AZFAR, F
    AZZI, P
    BACCHETTA, N
    BADGETT, W
    BAILEY, MW
    BAO, J
    DEBARBARO, P
    BARBAROGALTIERI, A
    BARNES, VE
    BARNETT, BA
    BARTALINI, P
    BAUER, G
    BAUMANN, T
    BEDESCHI, F
    BEHRENDS, S
    BELFORTE, S
    BELLETTINI, G
    BELLINGER, J
    BENJAMIN, D
    BENLLOCH, J
    BENSINGER, J
    BENTON, D
    BERETVAS, A
    BERGE, JP
    BERTOLUCCI, S
    BHATTI, A
    BIERY, K
    BINKLEY, M
    BIRD, F
    BISELLO, D
    BLAIR, RE
    BLOCKER, C
    BODEK, A
    BOKHARI, W
    BOLOGNESI, V
    BORTOLETTO, D
    BOSWELL, C
    BOULOS, T
    BRANDENBURG, G
    BROMBERG, C
    [J]. PHYSICAL REVIEW LETTERS, 1995, 75 (24) : 4358 - 4363
  • [2] INCLUSIVE J/OMEGA, OMEGA(2S), AND B-QUARK PRODUCTION IN (P)OVER-BAR-P COLLISIONS AT ROOT-S = 1.8 TEV
    ABE, F
    AMIDEI, D
    ANWAYWIESE, C
    APOLLINARI, G
    ATAC, M
    AUCHINCLOSS, P
    AZZI, P
    BADEN, AR
    BACCHETTA, N
    BADGETT, W
    BAILEY, MW
    BAMBERGER, A
    DEBARBARO, P
    BARBAROGALTIERI, A
    BARNES, VE
    BARNETT, BA
    BAUER, G
    BAUMANN, T
    BEDESCHI, F
    BEHRENDS, S
    BELFORTE, S
    BELLETTINI, G
    BELLINGER, J
    BENJAMIN, D
    BENLLOCH, J
    BENSINGER, J
    BERETVAS, A
    BERGE, JP
    BERTOLUCCI, S
    BIERY, K
    BHADRA, S
    BINKLEY, M
    BISELLO, D
    BLAIR, R
    BLOCKER, C
    BODEK, A
    BOLOGNESI, V
    BOOTH, AW
    BOSWELL, C
    BRANDENBURG, G
    BROWN, D
    BUCKLEYGEER, E
    BUDD, HS
    BUSETTO, G
    BYONWAGNER, A
    BYRUM, KL
    CAMPAGNARI, C
    CAMPBELL, M
    CANER, A
    CAREY, R
    [J]. PHYSICAL REVIEW LETTERS, 1992, 69 (26) : 3704 - 3708
  • [3] BOTTONIUM PRODUCTION AT LEP
    ABRAHAM, KJ
    [J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1989, 44 (03): : 467 - 469
  • [4] J/PSI-PRODUCTION IN THE HADRONIC DECAYS OF THE Z
    ABREU, P
    ADAM, W
    ADYE, T
    AGASI, E
    AJINENKO, I
    ALEKSAN, R
    ALEKSEEV, GD
    ALLPORT, PP
    ALMEHED, S
    ALMEIDA, FML
    ALVSVAAG, SJ
    AMALDI, U
    ANDREAZZA, A
    ANTILOGUS, P
    APEL, WD
    APSIMON, RJ
    ARNOUD, Y
    ASMAN, B
    AUGUSTIN, JE
    AUGUSTINUS, A
    BAILLON, P
    BAMBADE, P
    BARAO, F
    BARATE, R
    BARBIELLINI, G
    BARDIN, DY
    BARKER, GJ
    BARONCELLI, A
    BARRING, O
    BARRIO, JA
    BARTL, W
    BATES, MJ
    BATTAGLIA, M
    BAUBILLIER, M
    BAUDOT, J
    BECKS, KH
    BEGALLI, M
    BEILLIERE, P
    BELTRAN, P
    BENVENUTI, AC
    BERGGREN, M
    BERTRAND, D
    BIANCHI, F
    BIGI, M
    BILENKY, MS
    BILLOIR, P
    BJARNE, J
    BLOCH, D
    BLOCKI, J
    BLYTH, S
    [J]. PHYSICS LETTERS B, 1994, 341 (01) : 109 - 122
  • [5] Search for promptly produced heavy quarkonium states in hadronic Z decays
    Abreu, P
    Adam, W
    Adye, T
    Agasi, E
    Ajinenko, I
    Aleksan, R
    Alekseev, GD
    Allport, PP
    Almehed, S
    Alvsvaag, SJ
    Amaldi, U
    Amato, S
    Andreazza, A
    Andrieux, ML
    Antilogus, P
    Apel, WD
    Arnoud, Y
    Asman, B
    Augustin, A
    Baillon, P
    Bambade, P
    Barao, F
    Barate, R
    Barbiellini, G
    Bardin, DY
    Barker, GJ
    Baroncelli, A
    Barring, O
    Barrio, JA
    Bartl, W
    Bates, MJ
    Battaglia, M
    Baubillier, M
    Baudot, J
    Becks, KH
    Begalli, M
    Beilliere, P
    Belokopytov, Y
    Belous, K
    Benvenuti, AC
    Berggren, M
    Bertrand, D
    Bianchi, F
    Bigi, M
    Bilenky, MS
    Billoir, P
    Bloch, D
    Blume, M
    Blyth, S
    Bocci, V
    [J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1996, 69 (04): : 575 - 583
  • [6] Upsilon production in Z decays
    Acciarri, M
    Adriani, O
    AguilarBenitez, M
    Ahlen, S
    Alcaraz, J
    Alemanni, G
    Allaby, J
    Aloisio, A
    Alverson, G
    Alviggi, MG
    Ambrosi, G
    Anderhub, H
    Andreev, VP
    Angelescu, T
    Anselmo, F
    Arefiev, A
    Azemoon, T
    Aziz, T
    Bagnaia, P
    Baksay, L
    Ball, RC
    Banerjee, S
    Banerjee, S
    Banicz, K
    Barczyk, A
    Barillere, R
    Barone, L
    Bartalini, P
    Baschirotto, A
    Basile, M
    Battiston, R
    Bay, A
    Becattini, F
    Becker, U
    Behner, F
    Berdugo, J
    Berges, P
    Bertucci, B
    Betev, BL
    Bhattacharya, S
    Biasini, M
    Biland, A
    Bilei, GM
    Blaising, JJ
    Blyth, SC
    Bobbink, GJ
    Bock, R
    Bohm, A
    Boldizsar, L
    Borgia, B
    [J]. PHYSICS LETTERS B, 1997, 413 (1-2) : 167 - 175
  • [7] Inclusive J, Psi' and Chi(c) production in hadronic Z decays
    Acciarri, M
    Adriani, O
    AguilarBenitez, M
    Ahlen, S
    Alcaraz, J
    Alemanni, G
    Allaby, J
    Aloisio, A
    Alverson, G
    Alviggi, MG
    Ambrosi, G
    Anderhub, H
    Andreev, VP
    Angelescu, T
    Anselmo, F
    Arefiev, A
    Azemoon, T
    Aziz, T
    Bagnaia, P
    Baksay, L
    Ball, RC
    Banerjee, S
    Banerjee, S
    Banicz, K
    Barczyk, A
    Barillere, R
    Barone, L
    Bartalini, P
    Baschirotto, A
    Basile, M
    Battiston, R
    Bay, A
    Becattini, F
    Becker, U
    Behner, F
    Berdugo, J
    Berges, P
    Bertucci, B
    Betev, BL
    Bhattacharya, S
    Biasini, M
    Biland, A
    Bilei, GM
    Blaising, JJ
    Blyth, SC
    Bobbink, GJ
    Bock, R
    Bohm, A
    Boldizsar, L
    Borgia, B
    [J]. PHYSICS LETTERS B, 1997, 407 (3-4) : 351 - 360
  • [8] THE CONSTRUCTION OF THE L3 EXPERIMENT
    ADEVA, B
    AGUILARBENITEZ, M
    AKBARI, H
    ALCARAZ, J
    ALOISIO, A
    ALVAREZTAVIEL, J
    ALVERSON, G
    ALVIGGI, MG
    ANDERHUB, H
    ANDERSON, AL
    ANGELOV, AM
    ANGELOV, TH
    ANTCHEV, GH
    ANTONOV, L
    ANTREASYAN, D
    AREFIEV, A
    ATANASOV, IH
    AUROY, B
    AYAD, R
    AYRANOV, OL
    AZEMOON, T
    AZIZ, T
    BACHMANN, U
    BAHLER, P
    BAKKEN, JA
    BAKSAY, L
    BALDINGER, H
    BALL, RC
    BALLANSAT, J
    BANERJEE, S
    BAO, J
    BARBIER, G
    BARONE, L
    BASTI, G
    BAY, A
    BEAUVAIS, F
    BECKER, U
    BEISSEL, R
    BENDIG, S
    BENE, P
    BERDUGO, J
    BERGES, P
    BERTHET, M
    BERTSCH, Y
    BETEV, BL
    BILAND, A
    BISCHOFF, A
    BISCHOPS, M
    BIZZARRI, R
    BLAISING, JJ
    [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1990, 289 (1-2) : 35 - 102
  • [9] Negative binomial parameters and the two-mechanism model
    Golyak, I
    Galayda, S
    [J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1996, 70 (02): : 227 - 231
  • [10] Prompt J/psi production in hadronic Z(0) decays
    Alexander, G
    Allison, J
    Altekamp, N
    Ametewee, K
    Anderson, KJ
    Anderson, S
    Arcelli, S
    Asai, S
    Axen, D
    Azuelos, G
    Ball, AH
    Barberio, E
    Barlow, RJ
    Bartoldus, R
    Batley, JR
    Beaudoin, G
    Bechtluft, J
    Beeston, C
    Behnke, T
    Bell, AN
    Bell, KW
    Bella, G
    Bentvelsen, S
    Berlich, P
    Bethke, S
    Biebel, O
    Blobel, V
    Bloodworth, IJ
    Bloomer, JE
    Bock, P
    Bosch, HM
    Boutemeur, M
    Bouwens, BT
    Braibant, S
    Brown, RM
    Burckhart, HJ
    Burgard, C
    Burgin, R
    Capiluppi, P
    Carnegie, RK
    Carter, AA
    Carter, JR
    Chang, CY
    Charlesworth, C
    Charlton, DG
    Chrisman, D
    Chu, SL
    Clarke, PEL
    Cohen, I
    Conboy, JE
    [J]. PHYSICS LETTERS B, 1996, 384 (1-4) : 343 - 352
1234