Differential cross-section measurements of boosted top quarks at $\sqrt{s} = 13$ TeV with the ATLAS detector
Differential cross-section measurements of highly boosted top quarks are presented. The dataset used has an integrated luminosity of $3.2$ fb$^{-1}$, recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV with the ATLAS detector at the CERN Large Hadron Collider in 2015. Events are selected in the...
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| Main Author: | |
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| Format: | Journal Article |
| Language: | English |
| Published: |
28-02-2017
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| Subjects: | |
| Online Access: | Get full text |
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| Summary: | Differential cross-section measurements of highly boosted top quarks are
presented. The dataset used has an integrated luminosity of $3.2$ fb$^{-1}$,
recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV with the ATLAS
detector at the CERN Large Hadron Collider in 2015. Events are selected in the
lepton + jets channel, containing one isolated lepton and a large radius jet
that is identified as originating from a top quark using substructure tagging
techniques. The measured transverse momentum and absolute rapidity
distributions are unfolded to remove detector effects and compared to a range
of Monte Carlo simulations. The transverse momentum distribution shows that all
Monte Carlo generators used predict a harder spectrum than observed in data,
while the rapidity distribution agrees well between MC and data. |
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| Bibliography: | ATL-PHYS-PROC-2017-012 |
| DOI: | 10.48550/arxiv.1702.08728 |