Measurements of differential production cross sections for a Z boson in association with jets in pp isions at √s=8 TeV
Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of √ s = 8 TeV are measured using a data sample collected by the CMS experiment at the LHC corresponding to 19.6 fb−1 . Differential cross sections are presented as fun...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Springer Verlag
2017
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/63038/ http://irep.iium.edu.my/63038/ http://irep.iium.edu.my/63038/ http://irep.iium.edu.my/63038/1/63038_Measurements%20of%20differential%20production%20cros_article.pdf http://irep.iium.edu.my/63038/2/63038_Measurements%20of%20differential%20production%20cros_scopus.pdf |
| Summary: | Cross sections for the production of a Z boson in association with jets in
proton-proton collisions at a centre-of-mass energy of √
s = 8 TeV are measured using
a data sample collected by the CMS experiment at the LHC corresponding to 19.6 fb−1
.
Differential cross sections are presented as functions of up to three observables that describe
the jet kinematics and the jet activity. Correlations between the azimuthal directions
and the rapidities of the jets and the Z boson are studied in detail. The predictions of a
number of multileg generators with leading or next-to-leading order accuracy are compared
with the measurements. The comparison shows the importance of including multi-parton
contributions in the matrix elements and the improvement in the predictions when nextto-leading
order terms are included |
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