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Measurements of differential production cross sections for a Z boson in association with jets in pp collisions at root s=8 TeV

Title
Measurements of differential production cross sections for a Z boson in association with jets in pp collisions at root s=8 TeV
Author
김태정
Keywords
Hadron-Hadron scattering (experiments); Particle and resonance production; QCD
Issue Date
2017-04
Publisher
SPRINGER
Citation
JOURNAL OF HIGH ENERGY PHYSICS, no. 4, Article no. 022
Abstract
Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of root 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.
URI
https://link.springer.com/article/10.1007%2FJHEP04%282017%29022https://repository.hanyang.ac.kr/handle/20.500.11754/113755
ISSN
1029-8479
DOI
10.1007/JHEP04(2017)022
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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