W plus jets in pp collisions at 7 TeV with ATLAS

被引:0
作者
Della Porta, Giovanni Zevi [1 ]
机构
[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
来源
PRAMANA-JOURNAL OF PHYSICS | 2012年 / 79卷 / 04期
关键词
W bosons; W plus jets; dijet mass; b-jets;
D O I
10.1007/s12043-012-0398-y
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Measurements of differential cross-sections of W boson production in association with jets, and jets containing b hadrons are presented. The measurements are based on 35 pb(-1) of pp collisions at root s = 7 TeV collected with the ATLAS detector at the LHC, using the electron and muon decay channels of the W boson. The data are found to be compatible with next-to-leading order predictions. In addition, a study of the invariant mass distribution of jet pairs produced in association with a W boson is presented, based on an integrated luminosity of 1.02 fb(-1). The measured dijet mass shows no significant excess over the Standard Model expectation.
引用
收藏
页码:907 / 910
页数:4
相关论文
共 20 条
[1]   The ATLAS Experiment at the CERN Large Hadron Collider [J].
Aad, G. ;
Abat, E. ;
Abdallah, J. ;
Abdelalim, A. A. ;
Abdesselam, A. ;
Abdinov, O. ;
Abi, B. A. ;
Abolins, M. ;
Abramowicz, H. ;
Acerbi, E. ;
Acharya, B. S. ;
Achenbach, R. ;
Ackers, M. ;
Adams, D. L. ;
Adamyan, F. ;
Addy, T. N. ;
Aderholz, M. ;
Adorisio, C. ;
Adragna, P. ;
Aharrouche, M. ;
Ahlen, S. P. ;
Ahles, F. ;
Ahmad, A. ;
Ahmed, H. ;
Aielli, G. ;
Akesson, P. F. ;
Akesson, T. P. A. ;
Alam, S. M. ;
Albert, J. ;
Albrand, S. ;
Aleksa, M. ;
Aleksandrov, I. N. ;
Aleppo, M. ;
Alessandria, F. ;
Alexa, C. ;
Alexander, G. ;
Alexopoulos, T. ;
Alimonti, G. ;
Aliyev, M. ;
Allport, P. P. ;
Allwood-Spiers, S. E. ;
Aloisio, A. ;
Alonso, J. ;
Alves, R. ;
Alviggi, M. G. ;
Amako, K. ;
Amaral, P. ;
Amaral, S. P. ;
Ambrosini, G. ;
Ambrosio, G. .
JOURNAL OF INSTRUMENTATION, 2008, 3
[2]   GEANT4-a simulation toolkit [J].
Agostinelli, S ;
Allison, J ;
Amako, K ;
Apostolakis, J ;
Araujo, H ;
Arce, P ;
Asai, M ;
Axen, D ;
Banerjee, S ;
Barrand, G ;
Behner, F ;
Bellagamba, L ;
Boudreau, J ;
Broglia, L ;
Brunengo, A ;
Burkhardt, H ;
Chauvie, S ;
Chuma, J ;
Chytracek, R ;
Cooperman, G ;
Cosmo, G ;
Degtyarenko, P ;
Dell'Acqua, A ;
Depaola, G ;
Dietrich, D ;
Enami, R ;
Feliciello, A ;
Ferguson, C ;
Fesefeldt, H ;
Folger, G ;
Foppiano, F ;
Forti, A ;
Garelli, S ;
Giani, S ;
Giannitrapani, R ;
Gibin, D ;
Cadenas, JJG ;
González, I ;
Abril, GG ;
Greeniaus, G ;
Greiner, W ;
Grichine, V ;
Grossheim, A ;
Guatelli, S ;
Gumplinger, P ;
Hamatsu, R ;
Hashimoto, K ;
Hasui, H ;
Heikkinen, A ;
Howard, A .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303
[3]  
[Anonymous], 2010, ATLASCONF2010042 CER
[4]  
[Anonymous], ATLASCONF2011060
[5]  
[Anonymous], 2011, ATLASCONF2011032
[6]  
ATLAS Collaboration, 2011, ARXIV11091470HEPEX
[7]  
ATLAS Collaboration, ATLASCONF2011069
[8]   Precise Predictions for W+4-Jet Production at the Large Hadron Collider [J].
Berger, C. F. ;
Bern, Z. ;
Dixon, L. J. ;
Cordero, F. Febres ;
Forde, D. ;
Gleisberg, T. ;
Ita, H. ;
Kosower, D. A. ;
Maitre, D. .
PHYSICAL REVIEW LETTERS, 2011, 106 (09)
[9]   Multiparton interactions in photoproduction at HERA [J].
Butterworth, JM ;
Forshaw, JR ;
Seymour, MH .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1996, 72 (04) :637-646
[10]   Update on vector boson pair production at hadron colliders [J].
Campbell, JM ;
Ellis, RK .
PHYSICAL REVIEW D, 1999, 60 (11)