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Search for massive long-lived highly ionising particles with the ATLAS detector at the LHC

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 / Efthymiopoulos, Ilias / 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 / Mikulec, Bettina / Moneta, Lorenzo / Mora Herrera, Maria Clemencia Rosario / Morone, Maria Cristina / Nektarijevic, Snezana / Orellana, Frédérik / Pasztor, Arpad / Pohl, Martin / Robichaud-Veronneau, Andrée / Rosselet, Laurent / Urquijo, Phillip / Wu, Xin
Published in Physics letters. B. 2011, vol. 698, no. 5, p. 353-370
Abstract A search is made for massive highly ionising particles with lifetimes in excess of 100 ns, with the ATLAS experiment at the Large Hadron Collider, using 3.1 pb−1 of pp collision data taken at View the MathML sources=7 TeV. The signature of energy loss in the ATLAS inner detector and electromagnetic calorimeter is used. No such particles are found and limits on the production cross section for electric charges 6e⩽|q|⩽17ee and masses 200 GeV⩽m⩽1000 GeV are set in the range 1–12 pb for different hypotheses on the production mechanism.
Keywords High-energy collider experimentLong-lived particleHighly ionisingNew physics
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ATLAS COLLABORATION. Search for massive long-lived highly ionising particles with the ATLAS detector at the LHC. In: Physics letters. B, 2011, vol. 698, n° 5, p. 353-370. doi: 10.1016/j.physletb.2011.03.033 https://archive-ouverte.unige.ch/unige:41425

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Deposited on : 2014-10-31

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