学術雑誌論文 Measurement of the kt splitting scales in Z → ℓℓ events in pp collisions at s√=8 TeV with the ATLAS detector

The ATLAS Collaboration  ,  Hara, K.  ,  Kim, S.H.  ,  Okawa, H.  ,  Sato, K.  ,  Ukegawa, F.

2017 ( 8 )  , p.26 , 2017-08 , Springer
ISSN:1029-8479
NII書誌ID(NCID):AA1188279X
内容記述
A measurement of the splitting scales occuring in the kt jet-clustering algorithm is presented for final states containing a Z boson. The measurement is done using 20.2 fb−1 of proton-proton collision data collected at a centre-of-mass energy of s√=8 TeV by the ATLAS experiment at the LHC in 2012. The measurement is based on chargedparticle track information, which is measured with excellent precision in the pT region relevant for the transition between the perturbative and the non-perturbative regimes. The data distributions are corrected for detector effects, and are found to deviate from state-of-the-art predictions in various regions of the observables.
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