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Search for contact interactions in dimuon events from pp collisions at √s=7  TeV with the ATLAS detector

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Bell, Paul / Bell, William / Berglund, Frida Elina / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Ferrere, Didier / Gadomski, Szymon / Garcia Navarro, Jose Enrique / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Hamilton, Andrew / Leger, Annie / Lister, Alison / Macina-Buono, Daniela / Martin Dit Latour, Bertrand / Mora Herrera, Maria Clemencia Rosario / Morone, Maria Cristina / Nektarijevic, Snezana / Pasztor, Arpad / Pohl, Martin / Robichaud-Veronneau, Andrée / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Physical Review. D. 2011, vol. 84, no. 01, p. 011101
Abstract A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at s√=7  TeV. The data sample corresponds to an integrated luminosity of 42  pb−1. No significant deviation from the standard model is observed in the dimuon mass spectrum, allowing the following 95% C.L. limits to be set on the energy scale of contact interactions: Λ>4.9  TeV (4.5 TeV) for constructive (destructive) interference in the left-left isoscalar compositeness model. These limits are the most stringent to date for μμqq contact interactions.
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ATLAS COLLABORATION. Search for contact interactions in dimuon events from pp collisions at √s=7  TeV with the ATLAS detector. In: Physical Review. D, 2011, vol. 84, n° 01, p. 011101. https://archive-ouverte.unige.ch/unige:41125

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Deposited on : 2014-10-24

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