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

被引：135

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

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 16期

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.

引用

页数：19

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Benes, P.
Bergmann, B.
Bernabeu, J.
Branzas, H.
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Caramete, L.
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Ellis, J. R.
Fairbairn, M.
Felea, D.
Flores, J.
Frank, M.
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Garcia, C.
Hirt, A. M.
Janecek, J.
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Katre, A.
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Korzenev, A.
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Lee, S. C.
Leroy, C.
Lionti, A.
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Mermod, P.
Mitsou, V. A.
Orava, R.
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Pasqualini, L.
Patrizii, L.
Pavalas, G. E.
Pinfold, J. L.
Popa, V.
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