Search for new particles leading to Z plus jets final states in p(p)over-bar collisions at √s=1.96 TeV

被引:37
作者
Aaltonen, T. [24 ,25 ]
Abulencia, A. [26 ]
Adelman, J. [13 ]
Affolder, T. [10 ]
Akimoto, T. [60 ]
Albrow, M. G. [18 ]
Amerio, S. [46 ]
Amidei, D. [39 ]
Anastassov, A. [56 ]
Anikeev, K. [18 ]
Annovi, A. [20 ]
Antos, J. [14 ,15 ]
Aoki, M. [60 ]
Apollinari, G. [18 ]
Arisawa, T. [62 ]
Artikov, A. [16 ]
Ashmanskas, W. [18 ]
Attal, A. [3 ]
Aurisano, A. [57 ]
Azfar, F. [45 ]
Azzi-Bacchetta, P. [46 ]
Azzurri, P. [49 ,50 ]
Bacchetta, N. [46 ]
Badgett, W. [18 ]
Barbaro-Galtieri, A. [32 ]
Barnes, V. E. [52 ]
Barnett, B. A. [27 ]
Baroiant, S. [7 ]
Bartsch, V. [34 ]
Bauer, G. [36 ]
Beauchemin, P.-H. [37 ,38 ]
Bedeschi, F. [49 ,50 ]
Behari, S. [27 ]
Bellettini, G. [49 ,50 ]
Bellinger, J. [64 ]
Belloni, A. [36 ]
Benjamin, D. [17 ]
Beretvas, A. [18 ]
Beringer, J. [32 ]
Berry, T. [33 ]
Bhatti, A. [54 ]
Binkley, M. [18 ]
Bisello, D. [46 ]
Bizjak, I. [34 ]
Blair, R. E. [2 ]
Blocker, C. [6 ]
Blumenfeld, B. [27 ]
Bocci, A. [17 ]
Bodek, A. [53 ]
Boisvert, V. [53 ]
机构
[1] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[2] Argonne Natl Lab, Argonne, IL 60439 USA
[3] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Bellaterra, Spain
[4] Baylor Univ, Waco, TX 76798 USA
[5] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[6] Brandeis Univ, Waltham, MA 02254 USA
[7] Univ Calif Davis Lib, Davis, CA 95616 USA
[8] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[9] Univ Calif San Diego, La Jolla, CA 92093 USA
[10] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[11] Univ Cantabria, CSIC, Inst Fis Cantabria, Santander, Spain
[12] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[13] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[14] Comenius Univ, Bratislava 84248, Slovakia
[15] Inst Expt Phys, Kosice, Slovakia
[16] Joint Inst Nucl Res, RU-141980 Dubna, Russia
[17] Duke Univ, Durham, NC 27708 USA
[18] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[19] Univ Florida, Gainesville, FL 32611 USA
[20] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[21] Univ Geneva, CH-1211 Geneva 4, Switzerland
[22] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[23] Harvard Univ, Cambridge, MA 02138 USA
[24] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland
[25] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[26] Univ Illinois, Urbana, IL 61801 USA
[27] Johns Hopkins Univ, Baltimore, MD 21218 USA
[28] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[29] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[30] Seoul Natl Univ, Seoul 151742, South Korea
[31] Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea
[32] Ernest Orlando Lawrence Berkley Natl Lab, Berkeley, CA 94720 USA
[33] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[34] UCL, London WC1E 6BT, England
[35] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[36] MIT, Cambridge, MA 02139 USA
[37] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[38] Univ Toronto, Toronto, ON M5S 1A7, Canada
[39] Univ Michigan, Ann Arbor, MI 48109 USA
[40] Michigan State Univ, E Lansing, MI 48824 USA
[41] Univ New Mexico, Albuquerque, NM 87131 USA
[42] Ohio State Univ, Columbus, OH 43210 USA
[43] Okayama Univ, Okayama 7008530, Japan
[44] Osaka City Univ, Osaka 588, Japan
[45] Univ Oxford, Oxford OX1 3RH, England
[46] Univ Padua, Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy
[47] Univ Paris 06, LPNHE, IN2P3, CNRS,UMR 7585, F-75252 Paris, France
[48] Univ Penn, Philadelphia, PA 19104 USA
[49] Univ Pisa, Ist Nazl Fis Nucl Pisa, I-56127 Pisa, Italy
[50] Univ Siena, Scuola Normale Superiore, Siena, Italy
来源
PHYSICAL REVIEW D | 2007年 / 76卷 / 07期
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevD.76.072006
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the results of a search for new particles that lead to a Z boson plus jets in p (p) over bar collisions at root s=1.96 TeV using the Collider Detector at Fermilab (CDF II). A data sample with a luminosity of 1.06 fb(-1) collected using Z boson decays to ee and mu mu is used. We describe a completely data-based method to predict the dominant background from standard model Z + jet events. This method can be similarly applied to other analyses requiring background predictions in multijet environments, as shown when validating the method by predicting the background from W + jets in t (t) over bar production. No significant excess above the background prediction is observed, and a limit is set using a fourth generation quark model to quantify the acceptance. Assuming BR(b(')-> bZ)=100% and using a leading-order calculation of the b(') cross section, b(') quark masses below 268 GeV/c(2) are excluded at 95% confidence level.
引用
收藏
页数:24
相关论文
共 39 条
[1]   Search for a heavy resonance decaying into a Z plus jet final state in p(p)over-bar collisions at √s=1.96 TeV using the D0 detector [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Agelou, M. ;
Agram, J. -L. ;
Ahn, S. H. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Andeen, T. ;
Anderson, S. ;
Andrieu, B. ;
Anzelc, M. S. ;
Arnoud, Y. ;
Arov, M. ;
Askew, A. ;
Asman, B. ;
Jesus, A. C. S. Assis ;
Atramentov, O. ;
Autermann, C. ;
Avila, C. ;
Ay, C. ;
Badaud, F. ;
Baden, A. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, P. ;
Banerjee, S. ;
Barberis, E. ;
Bargassa, P. ;
Baringer, P. ;
Barnes, C. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. ;
Bellantoni, L. ;
Bellavance, A. .
PHYSICAL REVIEW D, 2006, 74 (01)
[2]  
ABULENCIA A, FERMILABPUB05360E
[3]   Search for first-generation scalar leptoquarks in p(p)over-bar collisions at √s=1.96 TeV -: art. no. 051107 [J].
Acosta, D ;
Adelman, J ;
Affolder, T ;
Akimoto, T ;
Albrow, MG ;
Ambrose, D ;
Amerio, S ;
Amidei, D ;
Anastassov, A ;
Anikeev, K ;
Annovi, A ;
Antos, J ;
Aoki, M ;
Apollinari, G ;
Arisawa, T ;
Arguin, JF ;
Artikov, A ;
Ashmanskas, W ;
Attal, A ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Barbaro-Galtieri, A ;
Barker, GJ ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Belloni, A ;
Ben-Haim, E ;
Benjamin, D ;
Beretvas, A ;
Berry, T ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Bocci, A ;
Bodek, A .
PHYSICAL REVIEW D, 2005, 72 (05)
[4]   Measurement of the J/ψ meson and b-hadron production cross sections in p(p)over-bar collisions at √s=1960 GeV -: art. no. 032001 [J].
Acosta, D ;
Adelman, J ;
Affolder, T ;
Akimoto, T ;
Albrow, MG ;
Ambrose, D ;
Amerio, S ;
Amidei, D ;
Anastassov, A ;
Anikeev, K ;
Annovi, A ;
Antos, J ;
Aoki, M ;
Apollinari, G ;
Arisawa, T ;
Arguin, JF ;
Artikov, A ;
Ashmanskas, W ;
Attal, A ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Barbaro-Galtieri, A ;
Barker, GJ ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Barone, M ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Ben-Haim, E ;
Benjamin, D ;
Beretvas, A ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Bocci, A ;
Bodek, A ;
Bolla, G .
PHYSICAL REVIEW D, 2005, 71 (03) :032001-1
[5]   First measurements of inclusive W and Z cross sections from Run II of the Fermilab Tevatron Collider -: art. no. 091803 [J].
Acosta, D ;
Affolder, T ;
Akimoto, T ;
Albrow, MG ;
Ambrose, D ;
Amerio, S ;
Amidei, D ;
Anastassov, A ;
Anikeev, K ;
Annovi, A ;
Antos, J ;
Aoki, M ;
Apollinari, G ;
Arisawa, T ;
Arguin, JF ;
Artikov, A ;
Ashmanskas, W ;
Attal, A ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Barbaro-Galtieri, A ;
Barker, GJ ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Barone, M ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Beretvas, A ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Bocci, A ;
Bodek, A ;
Bolla, G ;
Bolshov, A ;
Booth, PSL .
PHYSICAL REVIEW LETTERS, 2005, 94 (09)
[6]   The performance of the CDF luminosity monitor [J].
Acosta, D ;
Klimenko, S ;
Konigsberg, J ;
Korytov, A ;
Mitselmakher, G ;
Necula, V ;
Nomerotsky, A ;
Pronko, A ;
Sukhanov, A ;
Safonov, A ;
Tsybychev, D ;
Wang, SM ;
Wong, M .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2002, 494 (1-3) :57-62
[7]   A Time-of-Flight detector in CDF-II [J].
Acosta, D ;
Ahn, M ;
Anikeev, K ;
Bauer, G ;
Bellettini, G ;
Cabrera, S ;
Cerri, C ;
Dececco, S ;
Depedis, D ;
DiGirolamo, A ;
Dionisi, C ;
Fernandez, J ;
Furic, IK ;
Chen, C ;
Cho, I ;
Giagu, S ;
Gomez, G ;
Grozis, C ;
Jones, M ;
Kaneko, H ;
Kazama, A ;
Kephart, R ;
Kim, DH ;
Kim, BJ ;
Kim, MS ;
Kim, S ;
Kim, SB ;
Kim, YK ;
Konigsberg, J ;
Kononenko, W ;
Korn, A ;
Kravchenko, I ;
Kroll, J ;
Lee, J ;
Lewis, J ;
Madorsky, A ;
Mayers, GM ;
Menzione, A ;
Mulhearn, M ;
Newcomer, FM ;
Oh, Y ;
Oldeman, RGC ;
Paus, C ;
Pavlon, S ;
Piedra, J ;
Rescigno, M ;
Rodrigo, T ;
Ruiz, A ;
Sato, K ;
Sato, K .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2004, 518 (1-2) :605-608
[8]   Intermediate silicon layers detector for the CDF experiment [J].
Affolder, A ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Barker, G ;
Barbaro-Galtieri, A ;
Basti, A ;
Bedeschi, F ;
Bisello, D ;
Blusk, S ;
Caskey, WP ;
Chiarelli, G ;
Connolly, A ;
Demina, R ;
Ely, R ;
Field, R ;
Garcia-Sciveres, M ;
Giolo, K ;
Goldstein, D ;
Goldstein, J ;
Grim, GP ;
Guerzoni, M ;
Haas, R ;
Haber, C ;
Hara, K ;
Hartmann, F ;
Heiss, A ;
Hill, C ;
Hrycyk, M ;
Incandela, J ;
Kato, Y ;
Knoblauch, D ;
Kruse, M ;
Lander, RL ;
Lei, CM ;
Leonardi, GL ;
Leone, S ;
Miyazaki, Y ;
Moggi, A ;
Muller, T ;
Munar-Ara, A ;
Okusawa, T ;
Palmonari, F ;
Paulini, M ;
Piacentino, G ;
Pellett, DE ;
Raffaelli, F ;
Roederer, F ;
Saltzberg, D ;
Shimojima, M ;
Stuart, D .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2000, 453 (1-2) :84-88
[9]   CDF central outer tracker [J].
Affolder, T ;
Allspach, D ;
Ambrose, D ;
Bialek, J ;
Bokhari, W ;
Brozovic, M ;
Binkley, M ;
Burkett, K ;
Byon-Wagner, A ;
Cogswell, F ;
Dressnandt, N ;
Feng, Z ;
Franklin, M ;
Galtieri, L ;
Gerdes, DW ;
Greenwood, J ;
Guarino, V ;
da Costa, JG ;
Haggerty, R ;
Hall, C ;
Heinrich, J ;
Holloway, A ;
Jacobi, T ;
Kephart, K ;
Khazins, D ;
Kim, YK ;
Kirby, M ;
Kononenko, W ;
Kotwal, AV ;
Kraus, J ;
Liss, TM ;
Lockyer, N ;
Madrak, R ;
Miao, T ;
Mukherjee, A ;
Neu, C ;
Newcomer, M ;
Niczyporuk, JM ;
Nodulman, L ;
Orejudous, W ;
Phillips, TJ ;
Pitts, KT ;
Reigler, W ;
Richards, R ;
Rivetta, C ;
Robertson, WJ ;
Roser, R ;
Sadler, L ;
Sandberg, R ;
Sansone, S .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2004, 526 (03) :249-299
[10]   Search for a fourth-generation quark more massive than the Z0 boson in p(p)over-bar collisions at √s=1.8 TeV [J].
Affolder, T ;
Akimoto, H ;
Akopian, A ;
Albrow, MG ;
Amaral, P ;
Amendolia, SR ;
Amidei, D ;
Antos, J ;
Apollinari, G ;
Arisawa, T ;
Asakawa, T ;
Ashmanskas, W ;
Atac, M ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bailey, MW ;
Bailey, S ;
de Barbaro, P ;
Barbaro-Galtieri, A ;
Barnes, VE ;
Barnett, BA ;
Barone, M ;
Bauer, G ;
Bedeschi, F ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Bensinger, J ;
Beretvas, A ;
Berge, JP ;
Berryhill, J ;
Bertolucci, S ;
Bevensee, B ;
Bhatti, A ;
Bigongiari, C ;
Binkley, M ;
Bisello, D ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Busk, BS ;
Bocci, A ;
Bodek, A ;
Bokhari, W ;
Bolla, G ;
Bonushkin, Y ;
Bortoletto, D .
PHYSICAL REVIEW LETTERS, 2000, 84 (05) :835-840