Measurement of kT splitting scales in W->lv events at sqrt(s)=7 TeV with the ATLAS detector

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Aad, Georges ; Abajyan, Tatevik ; Abbott, Brad ; Abdallah, Jalal ; Abdel Khalek, Samah ; Abdelalim, Ahmed Ali ; Abdinov, Ovsat ; Aben, Rosemarie ; Abi, Babak ; Abolins, Maris ; AbouZeid, Ossama ; Abramowicz, Halina ; Abreu, Henso ; Acharya, Bobby Samir ; Adamczyk, Leszek ; Adams, David ; Addy, Tetteh ; Adelman, Jahred ; Adomeit, Stefanie ; Adragna, Paolo ; Adye, Tim ; Aefsky, Scott ; Aguilar-Saavedra, Juan Antonio ; Agustoni, Marco ; Ahlen, Steven ; Ahles, Florian ; Ahmad, Ashfaq ; Ahsan, Mahsana ; Aielli, Giulio ; Åkesson, Torsten Paul Ake ... view all 2,931 authors (2013)

CERN-LHC. A measurement of the splitting scales, as defined by the kT clustering algorithm, for final states containg a W boson produced in proton-proton collisions at a centre-of-mass energy 7 TeV. The measurements uses the full 2010 data sample with a total integrated luminsoity of 36 pb-1. The measurements are made separately for W bosons decaying into electron and muuon final states. Details of the splitting scale variable d_k are described in the paper. Data on the four hardest splitting scales d0,d1,d2 and d3 are presented together with their ratios.
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