scholarly journals Measurement of differential cross sections for Z boson pair production in association with jets at s=8 and 13 TeV

2019 ◽  
Vol 789 ◽  
pp. 19-44 ◽  
Author(s):  
A.M. Sirunyan ◽  
A. Tumasyan ◽  
W. Adam ◽  
F. Ambrogi ◽  
E. Asilar ◽  
...  
Keyword(s):  
Pair Production ◽  
Cross Sections ◽  
Differential Cross ◽  
Z Boson ◽  
Differential Cross Sections ◽  
Boson Pair ◽  
Boson Pair Production

scholarly journals Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at $$ \sqrt{s} $$ = 13 TeV

2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
◽  
A. M. Sirunyan ◽  
A. Tumasyan ◽  
W. Adam ◽  
F. Ambrogi ◽  
...  
Keyword(s):  
Cross Sections ◽  
Differential Cross ◽  
Z Boson ◽  
Center Of Mass ◽  
Z Bosons ◽  
Differential Cross Sections ◽  
Pp Collisions ◽  
Center Of Mass Energy ◽  
Cms Experiment ◽  
Theoretical Predictions

Abstract Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 35.9 fb−1 recorded by the CMS experiment at the LHC. The results, corrected for detector effects, are compared with various theoretical predictions. In general, the predictions at higher orders in perturbation theory show better agreement with the measurements. This work provides the first measurement of the ratio of the differential cross sections of Z + jets and γ + jets production at 13 TeV, as well as the first direct measurement of Z bosons emitted collinearly with a jet.

scholarly journals Associated top quark pair production with a heavy boson: differential cross sections at NLO + NNLL accuracy

2020 ◽  
Vol 80 (5) ◽  
Author(s):  
Anna Kulesza ◽  
Leszek Motyka ◽  
Daniel Schwartländer ◽  
Tomasz Stebel ◽  
Vincent Theeuwes
Keyword(s):  
Pair Production ◽  
Cross Sections ◽  
Differential Cross ◽  
Top Quark ◽  
Differential Cross Sections ◽  
Heavy Boson

scholarly journals STUDY OF ZZ PRODUCTION AT LEP AT $\sqrt{s} =183 -209\, {\rm GeV}$

2001 ◽  
Vol 16 (supp01a) ◽  
pp. 311-314
Author(s):  
GABRIELLA PÁSZTOR
Keyword(s):  
Quantum Gravity ◽  
Pair Production ◽  
Cross Section ◽  
Production Cross Section ◽  
Z Boson ◽  
Production Cross ◽  
Opal Detector ◽  
Boson Pair ◽  
Boson Pair Production ◽  
Spatial Dimensions

A study of Z boson pair production in e + e - annihilation using the OPAL detector at LEP is reported . The ZZ production cross-section is measured, limits on anomalous ZZ γ and ZZZ couplings are derived, and constraints on models of low scale quantum gravity in extra spatial dimensions are set.

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