Implementation And Calibration Of A K Durham Algorithm Jet Finding Algorithm For Use In Pp U02c9 Collisions At Square Root Of S

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Implementation And Calibration Of A K Durham Algorithm Jet Finding Algorithm For Use In Pp U02c9 Collisions At Square Root Of S

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Author : Katherine Chiyoko Frame
language : en
Publisher:
Release Date : 1999

Implementation And Calibration Of A K Durham Algorithm Jet Finding Algorithm For Use In Pp U02c9 Collisions At Square Root Of S written by Katherine Chiyoko Frame and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Algorithms categories.

Atlas B Jet Identification Performance And Efficiency Measurement With Tt Over Bar Events In Pp Collisions At Square Root S

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Author : ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2019

Atlas B Jet Identification Performance And Efficiency Measurement With Tt Over Bar Events In Pp Collisions At Square Root S written by ATLAS Collaboration CERN and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

Abstract: The algorithms used by the ATLAS Collaboration during Run 2 of the Large Hadron Collider to identify jets containing b-hadrons are presented. The performance of the algorithms is evaluated in the simulation and the efficiency with which these algorithms identify jets containing b-hadrons is measured in collision data. The measurement uses a likelihood-based method in a sample highly enriched in tt ̄ events. The topology of the t→Wb decays is exploited to simultaneously measure both the jet flavour composition of the sample and the efficiency in a transverse momentum range from 20 to 600 GeV. The efficiency measurement is subsequently compared with that predicted by the simulation. The data used in this measurement, corresponding to a total integrated luminosity of 80.5 fb−1, were collected in proton-proton collisions during the years 2015-2017 at a centre-of-mass energy s√= 13 TeV. By simultaneously extracting both the efficiency and jet flavour composition, this measurement significantly improves the precision compared to previous results, with uncertainties ranging from 1 to 8% depending on the jet transverse momentum

Jet Measurements At D0 Using A Kt Algorithm

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Author :
language : en
Publisher:
Release Date : 2002

Jet Measurements At D0 Using A Kt Algorithm written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

D0 has implemented and calibrated a k[perpendicular] jet algorithm for the first time in a p[bar p] collider. We present two results based on 1992-1996 data which were recently published: the subjet multiplicity in quark and gluon jets and the central inclusive jet cross section. The measured ratio between subjet multiplicities in gluon and quark jets is consistent with theoretical predictions and previous experimental values. NLO pQCD predictions of the k[perpendicular] inclusive jet cross section agree with the D0 measurement, although marginally in the low p[sub T] range. We also present a preliminary measurement of thrust cross sections, which indicates the need to include higher than[alpha][sub s][sup 3] terms and resumation in the theoretical calculations.

Efficiency Of Modified Ua1 Jet Reconstruction Algorithm In Pp Pa And Aa Collisions At Star

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Author :
language : en
Publisher:
Release Date : 1995

Efficiency Of Modified Ua1 Jet Reconstruction Algorithm In Pp Pa And Aa Collisions At Star written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.