Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV
Abstract The production of Z bosons associated with jets is measured in $$\text {p}\text {p}$$ pp collisions at...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Springer Berlin Heidelberg
2023
|
| Online Access: | https://hdl.handle.net/1721.1/152189 |
| _version_ | 1826190801226432512 |
|---|---|
| author | Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Valle, A. E. D. Frühwirth, R. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Paulitsch, P. Pitters, F. M. Schieck, J. Schöfbeck, R. Schwarz, D. Templ, S. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Valle, A. E. D. Frühwirth, R. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Paulitsch, P. Pitters, F. M. Schieck, J. Schöfbeck, R. Schwarz, D. Templ, S. |
| author_sort | Tumasyan, A. |
| collection | MIT |
| description | Abstract
The production of Z bosons associated with jets is measured in
$$\text {p}\text {p}$$
pp
collisions at
$$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$
s
=
13
Te
V
with data recorded with the CMS experiment at the LHC corresponding to an integrated luminosity of 36.3
$$\,\text {fb}^{-1}$$
fb
-
1
. The multiplicity of jets with transverse momentum
$$p_{\textrm{T}} > 30\,\text {Ge}\hspace{-.08em}\text {V} $$
p
T
>
30
Ge
V
is measured for different regions of the Z boson’s
$$p_{\textrm{T}} (\text {Z })$$
p
T
(
Z
)
, from lower than 10
$$\,\text {Ge}\hspace{-.08em}\text {V}$$
Ge
V
to higher than 100
$$\,\text {Ge}\hspace{-.08em}\text {V}$$
Ge
V
. The azimuthal correlation
$$\varDelta \phi $$
Δ
ϕ
between the Z boson and the leading jet, as well as the correlations between the two leading jets are measured in three regions of
$$p_{\textrm{T}} (\text {Z })$$
p
T
(
Z
)
. The measurements are compared with several predictions at leading and next-to-leading orders, interfaced with parton showers. Predictions based on transverse-momentum dependent parton distributions and corresponding parton showers give a good description of the measurement in the regions where multiple parton interactions and higher jet multiplicities are not important. The effects of multiple parton interactions are shown to be important to correctly describe the measured spectra in the low
$$p_{\textrm{T}} (\text {Z })$$
p
T
(
Z
)
regions. |
| first_indexed | 2024-09-23T08:45:33Z |
| format | Article |
| id | mit-1721.1/152189 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T08:45:33Z |
| publishDate | 2023 |
| publisher | Springer Berlin Heidelberg |
| record_format | dspace |
| spelling | mit-1721.1/1521892024-02-02T21:13:00Z Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Valle, A. E. D. Frühwirth, R. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Paulitsch, P. Pitters, F. M. Schieck, J. Schöfbeck, R. Schwarz, D. Templ, S. Massachusetts Institute of Technology. Department of Physics Abstract The production of Z bosons associated with jets is measured in $$\text {p}\text {p}$$ pp collisions at $$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$ s = 13 Te V with data recorded with the CMS experiment at the LHC corresponding to an integrated luminosity of 36.3 $$\,\text {fb}^{-1}$$ fb - 1 . The multiplicity of jets with transverse momentum $$p_{\textrm{T}} > 30\,\text {Ge}\hspace{-.08em}\text {V} $$ p T > 30 Ge V is measured for different regions of the Z boson’s $$p_{\textrm{T}} (\text {Z })$$ p T ( Z ) , from lower than 10 $$\,\text {Ge}\hspace{-.08em}\text {V}$$ Ge V to higher than 100 $$\,\text {Ge}\hspace{-.08em}\text {V}$$ Ge V . The azimuthal correlation $$\varDelta \phi $$ Δ ϕ between the Z boson and the leading jet, as well as the correlations between the two leading jets are measured in three regions of $$p_{\textrm{T}} (\text {Z })$$ p T ( Z ) . The measurements are compared with several predictions at leading and next-to-leading orders, interfaced with parton showers. Predictions based on transverse-momentum dependent parton distributions and corresponding parton showers give a good description of the measurement in the regions where multiple parton interactions and higher jet multiplicities are not important. The effects of multiple parton interactions are shown to be important to correctly describe the measured spectra in the low $$p_{\textrm{T}} (\text {Z })$$ p T ( Z ) regions. 2023-09-21T19:41:15Z 2023-09-21T19:41:15Z 2023-08-11 2023-09-17T03:10:05Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/152189 The European Physical Journal C. 2023 Aug 11;83(8):722 PUBLISHER_CC en https://doi.org/10.1140/epjc/s10052-023-11833-z Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/ The Author(s) application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg |
| spellingShingle | Tumasyan, A. Adam, W. Andrejkovic, J. W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Valle, A. E. D. Frühwirth, R. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Paulitsch, P. Pitters, F. M. Schieck, J. Schöfbeck, R. Schwarz, D. Templ, S. Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title | Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title_full | Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title_fullStr | Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title_full_unstemmed | Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title_short | Azimuthal correlations in Z +jets events in proton–proton collisions at √s = 13 TeV |
| title_sort | azimuthal correlations in z jets events in proton proton collisions at √s 13 tev |
| url | https://hdl.handle.net/1721.1/152189 |
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