Search for New Particles in Two-Jet Final States in 7 TeV Proton-Proton Collisions with the ATLAS Detector at the LHC

被引:134
作者
Aad, G. [1 ]
Abbott, B. [136 ]
Abdallah, J. [16 ]
Abdelalim, A. A. [65 ]
Abdesselam, A. [143 ]
Abdinov, O. [15 ]
Abi, B. [137 ]
Abolins, M. [110 ]
Abramowicz, H. [189 ]
Abreu, H. [140 ]
Acerbi, E. [111 ,112 ]
Acharya, B. S. [202 ,203 ]
Ackers, M. [30 ]
Adams, D. L. [34 ]
Addy, T. N. [74 ]
Adelman, J. [218 ]
Aderholz, M. [122 ]
Adomeit, S. [121 ]
Adorisio, C. [51 ,52 ]
Adragna, P. [97 ]
Adye, T. [158 ]
Aefsky, S. [32 ]
Aguilar-Saavedra, J. A. [152 ,153 ]
Aharrouche, M. [103 ]
Ahlen, S. P. [31 ]
Ahles, F. [1 ]
Ahmad, A. [184 ]
Ahmed, H. [3 ]
Ahsan, M. [56 ]
Aielli, G. [163 ,164 ]
Akdogan, T. [25 ]
Akesson, T. P. A. [101 ]
Akimoto, G. [191 ,192 ]
Akimov, A. V. [117 ]
Aktas, A. [1 ]
Alam, M. S. [2 ]
Alam, M. A. [98 ]
Albrand, S. [73 ]
Aleksa, M. [40 ]
Aleksandrov, I. N. [85 ]
Aleppo, M. [111 ,112 ]
Alessandria, F. [111 ]
Alexa, C. [35 ]
Alexander, G. [189 ]
Alexandre, G. [65 ]
Alexopoulos, T. [14 ]
Alhroob, M. [30 ]
Aliev, M. [22 ]
Alimonti, G. [111 ]
Alison, J. [146 ]
机构
[1] Univ Freiburg, Fak Math & Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany
[2] SUNY Albany, Albany, NY 12222 USA
[3] Univ Alberta, Dept Phys, Ctr Particle Phys, Edmonton, AB T6G 2G7, Canada
[4] Ankara Univ, Fac Sci, Dept Phys, TR-061000 Ankara, Turkey
[5] Dumlupinar Univ, Fac Arts & Sci, Dept Phys, Kutahya, Turkey
[6] Gazi Univ, Fac Arts & Sci, Dept Phys, TR-06500 Ankara, Turkey
[7] TOBB Univ Econ & Technol, Fac Arts & Sci, Div Phys, TR-06560 Ankara, Turkey
[8] Turkish Atom Energy Commiss, TR-06530 Ankara, Turkey
[9] Univ Savoie, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
[10] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[11] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
[12] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA
[13] Univ Athens, Dept Phys, GR-15771 Athens, Greece
[14] Natl Tech Univ Athens, Dept Phys, GR-15780 Zografos, Greece
[15] Azerbaijan Acad Sci, Inst Phys, AZ-143 Baku, Azerbaijan
[16] Univ Autonoma Barcelona, IFAE, ES-08193 Bellaterra, Barcelona, Spain
[17] Univ Belgrade, Inst Phys, Belgrade 11001, Serbia
[18] Vinca Inst Nucl Sci, Belgrade 11000, Serbia
[19] Univ Bergen, Dept Phys & Technol, NO-5007 Bergen, Norway
[20] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[21] Univ Calif Berkeley, Div Phys, Berkeley, CA 94720 USA
[22] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
[23] Univ Bern, Albert Einstein Ctr Fundamental Phys, High Energy Phys Lab, CH-3012 Bern, Switzerland
[24] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[25] Bogazici Univ, Fac Sci, Dept Phys, TR-80815 Bebek, Turkey
[26] Dogus Univ, Fac Arts & Sci, Dept Phys, TR-34722 Istanbul, Turkey
[27] Gaziantep Univ, Fac Engn, Dept Engn Phys, TR-24310 Sehitkamil, Gaziantep, Turkey
[28] Ist Nazl Fis Nucl, Sez Bilogna, IT-40127 Bologna, Italy
[29] Univ Bologna, Dipartimento Fis, IT-40127 Bologna, Italy
[30] Univ Bonn, Inst Phys, D-53115 Bonn, Germany
[31] Boston Univ, Dept Phys, Boston, MA 02215 USA
[32] Brandeis Univ, Dept Phys, Waltham, MA 02454 USA
[33] Univ Fed Rio de Janeiro, COPPE IF, BR-21945970 Rio De Janeiro, Brazil
[34] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[35] Natl Inst Phys & Nucl Engn, R-077125 Bucharest, Romania
[36] Univ Politehn Bucuresti, Bucharest 060042, Romania
[37] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, RA-1428 Buenos Aires, DF, Argentina
[38] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[39] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada
[40] CERN, CH-1211 Geneva 23, Switzerland
[41] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[42] Pontificia Univ Catolica Chile, Fac Fis, Dept Fis, Santiago 22, Chile
[43] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile
[44] Chinese Acad Sci, Inst High Energy Phys, CN-100049 Beijing, Peoples R China
[45] Univ Sci & Technol China, Dept Modern Phys, CN-230026 Hefei, Anhui, Peoples R China
[46] Nanjing Univ, Dept Phys, CN-210093 Nanjing, Jiangsu, Peoples R China
[47] Shandong Univ, High Energy Phys Grp, CN-250100 Jinan, Shandong, Peoples R China
[48] Univ Blaise Pascal, Clermont Univ, Phys Corpusculaire Lab, CNRS,IN2P3, FR-63177 Aubiere, France
[49] Columbia Univ, Nevis Lab, Irvington, NY 10533 USA
[50] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen 0, Denmark
基金
加拿大自然科学与工程研究理事会; 美国国家科学基金会;
关键词
EXCITED QUARKS; DIJETS;
D O I
10.1103/PhysRevLett.105.161801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315 nb(-1) collected by the ATLAS detector. No resonances were observed. Upper limits were set on the product of cross section and signal acceptance for excited-quark (q*) production as a function of q* mass. These exclude at the 95% C. L. the q* mass interval 0: 30< m(q)*< 1:26 TeV, extending the reach of previous experiments.
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页数:19
相关论文
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