Search for new particles in two-jet final states in 7 TeV proton-proton collisions with the ATLAS detector at the LHC
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KünyeAad, G, Abbott, B., Abdallah, J., Abdelalim, A.A., Abdesselam, A., Abdinov, O. ... ATLAS Collaboration. (2010). Search for new particles in two-jet final states in 7 TeV proton-proton collisions with the ATLAS detector at the LHC. Physical Review Letters, 105 (16), 19p. http://dx.doi.org/10.1103/PhysRevLett.105.161801.
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.