Measurement of cross sections for production of a Z boson in association with a flavor-inclusive or doubly b-tagged large-radius jet in proton-proton collisions at s=13 TeV with the ATLAS experiment
Volume
108
Pagination
012022 - ?
Publisher
DOI
10.1103/physrevd.108.012022
Journal
Physical Review D
Issue
ISSN
2470-0010
Metadata
Show full item recordAbstract
We present measurements of cross sections for production of a leptonically decaying
Z
boson in association with a large-radius jet in 13 TeV proton-proton collisions at the LHC, using
36
fb
−
1
of data from the ATLAS detector. Integrated and differential cross sections are measured at particle level in both a flavor inclusive and a doubly
b
-tagged fiducial phase space. The large-radius jet mass and transverse momentum, its kinematic relationship to the
Z
boson, and the angular separation of
b
-tagged small-radius track jets within the large-radius jet are measured. This measurement constitutes an important test of perturbative quantum chromodynamics in kinematic and flavor configurations relevant to several Higgs boson and beyond-Standard-Model physics analyses. The results highlight issues with modeling of additional hadronic activity in the flavor-inclusive selection, and a distinction between flavor-number schemes in the
b
-tagged phase space.
Authors
Aad, G; Abbott, B; Abbott, DC; Abud, AA; Abeling, K; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL; Abramowicz, HCollections
- Particle Physics [965]
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