Azimuthal correlations for inclusive 2-jet, 3-jet, and 4-jet events in pp collisions at root s=13 TeV
Azimuthal correlations between the two jets with the largest transverse momenta pT in inclusive 2-, 3-, and 4- jet events are presented for several regions of the leading jet pT up to 4 TeV. For 3- and 4-jet scenarios, measurements of the minimum azimuthal angles between any two of the three or...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English English |
| Published: |
Springer Link
2018
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/70424/ http://irep.iium.edu.my/70424/ http://irep.iium.edu.my/70424/ http://irep.iium.edu.my/70424/1/70424_Azimuthal%20correlations%20for%20inclusive%202-jet%2C%203-jet_article.pdf http://irep.iium.edu.my/70424/7/70424_Azimuthal%20correlations%20for%20inclusive%202-jet%2C%203-jet_scopus.pdf http://irep.iium.edu.my/70424/13/70424_Azimuthal%20correlations%20for%20inclusive_WOS.pdf |
| Summary: | Azimuthal correlations between the two jets with
the largest transverse momenta pT in inclusive 2-, 3-, and 4-
jet events are presented for several regions of the leading jet
pT up to 4 TeV. For 3- and 4-jet scenarios, measurements of
the minimum azimuthal angles between any two of the three
or four leading pT jets are also presented. The analysis is
based on data from proton–proton collisions collected by the
CMS Collaboration at a centre-of-mass energy of 13 TeV,
corresponding to an integrated luminosity of 35.9 fb−1. Calculations based on leading-order matrix elements supplemented with parton showering and hadronization do not
fully describe the data, so next-to-leading-order calculations
matched with parton shower and hadronization models are
needed to better describe the measured distributions. Furthermore, we show that azimuthal jet correlations are sensitive to details of the parton showering, hadronization, and
multiparton interactions. A next-to-leading-order calculation
matched with parton showers in the MC@NLO method, as
implemented in herwig 7, gives a better overall description
of the measurements than the powheg method. |
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