Search for Supersymmetry Using Final States with One Lepton, Jets, and Missing Transverse Momentum with the ATLAS Detector in√ s= 7 [square root of s= 7] TeV pp Collisions

G Aad, B Abbott,J Abdallah,A Abdelalim,A Abdesselam,O Abdinov,B Abi,M Abolins, H Abramowicz, H Abreu,E Acerbi,B Acharya,D Adams, T Addy, J Adelman,M Aderholz, S Adomeit, P Adragna, T Adye, S Aefsky, J Aguilar-Saavedra, M Aharrouche, S Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli,T Akdogan,T Åkesson, G Akimoto,A Akimov,M Alam, S Albrand,M Aleksa,I Aleksandrov, M Aleppo, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison,M Aliyev,P Allport,S Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso,M Alviggi, K Amako, P Amaral, C Amelung, V Ammosov,A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen,C Anders,K Anderson,A Andreazza, V Andrei,ML Andrieux,X Anduaga, A Angerami, F Anghinolfi, N Anjos,A Annovi, A Antonaki, M Antonelli, S Antonelli,A Antonov,J Antos, F Anulli, S Aoun,L Aperio Bella, R Apolle, G Arabidze, I Aracena,Y Arai,A Arce,J Archambault, S Arfaoui,JF Arguin,E Arik,M Arik,A Armbruster, O Arnaez, C Arnault, A Artamonov, G Artoni,D Arutinov, S Asai,R Asfandiyarov, S Ask, B Åsman, L Asquith,K Assamagan, A Astbury, A Astvatsatourov, G Atoian,B Aubert, B Auerbach, E Auge, K Augsten, M Aurousseau,N Austin, R Avramidou, D Axen, C Ay, G Azuelos, Y Azuma,M Baak,G Baccaglioni, C Bacci,A Bach, H Bachacou, K Bachas, G Bachy,M Backes,M Backhaus, E Badescu, P Bagnaia,S Bahinipati,Y Bai,D Bailey, T Bain,J Baines,O Baker,M Baker,S Baker,F Baltasar Dos Santos Pedrosa, E Banas,P Banerjee,Sw Banerjee, D Banfi, A Bangert,V Bansal, H Bansil, L Barak, S Baranov, A Barashkou,A Barbaro Galtieri, T Barber, E Barberio

user-5ebe3bbdd0b15254d6c50b2c（2011）

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摘要

This Letter presents the first search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from √s=7 [square root of s=7] TeV proton-proton collisions at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of 35 pb-1 [pb superscript -1]. No excess above the standard model background expectation is observed. Limits are set on the parameters of the minimal supergravity framework, extending previous limits. Within this framework, for A0=0 [A subscript 0 = 0] GeV, tan⁡β=3 [tan beta = 3], and μ>0 [mu > 0] and for equal squark and gluino masses, gluino masses below 700 GeV are excluded at 95% confidence level.

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关键词

Lepton,Supersymmetry,Particle physics,Square root,Physics,Atlas detector,Transverse momentum

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