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Abstract
A measurement is presented of electroweak
(EW) production of a W boson in association with two jets
in proton–proton collisions at √s = 13 TeV. The data sample was recorded by the CMS Collaboration at the LHC
and corresponds to an integrated luminosity of 35.9 fb−1.
The measurement is performed for the νjj final state (with
ν indicating a lepton–neutrino pair, and j representing the
quarks produced in the hard interaction) in a kinematic region
defined by invariant mass mjj > 120 GeV and transverse
momenta pTj > 25 GeV. The cross section of the process
is measured in the electron and muon channels yielding
σEW(Wjj) = 6.23 ± 0.12 (stat) ± 0.61 (syst) pb per channel,
in agreement with leading-order standard model predictions.
The additional hadronic activity of events in a signal-enriched
region is studied, and the measurements are compared with
predictions. The final state is also used to perform a search
for anomalous trilinear gauge couplings. Limits on anomalous trilinear gauge couplings associated with dimension-six
operators are given in the framework of an effective field
theory. The corresponding 95% confidence level intervals
are −2.3 < cWWW/Λ2 < 2.5 TeV−2, −8.8 < cW/Λ2 <
16 TeV−2, and −45 < cB/Λ2 < 46 TeV−2. These results
are combined with the CMS EW Zjj analysis, yielding the
constraint on the cWWW coupling: −1.8 < cWWW/Λ2 <
2.0 TeV−2.
(EW) production of a W boson in association with two jets
in proton–proton collisions at √s = 13 TeV. The data sample was recorded by the CMS Collaboration at the LHC
and corresponds to an integrated luminosity of 35.9 fb−1.
The measurement is performed for the νjj final state (with
ν indicating a lepton–neutrino pair, and j representing the
quarks produced in the hard interaction) in a kinematic region
defined by invariant mass mjj > 120 GeV and transverse
momenta pTj > 25 GeV. The cross section of the process
is measured in the electron and muon channels yielding
σEW(Wjj) = 6.23 ± 0.12 (stat) ± 0.61 (syst) pb per channel,
in agreement with leading-order standard model predictions.
The additional hadronic activity of events in a signal-enriched
region is studied, and the measurements are compared with
predictions. The final state is also used to perform a search
for anomalous trilinear gauge couplings. Limits on anomalous trilinear gauge couplings associated with dimension-six
operators are given in the framework of an effective field
theory. The corresponding 95% confidence level intervals
are −2.3 < cWWW/Λ2 < 2.5 TeV−2, −8.8 < cW/Λ2 <
16 TeV−2, and −45 < cB/Λ2 < 46 TeV−2. These results
are combined with the CMS EW Zjj analysis, yielding the
constraint on the cWWW coupling: −1.8 < cWWW/Λ2 <
2.0 TeV−2.
Datum van beschikbaarheid | 4 mei 2020 |
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Uitgever | HEPData |
Format
- Format
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iBOF/23/074: Ontsluiten van de charm-Higgs koppeling bij de LHC
D'Hondt, J., Lowette, S., Van Mechelen, P. & Dobur, D.
1/01/23 → 31/12/26
Project: Fundamenteel
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Onderzoekersoutput
- 1 Article
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Measurement of electroweak production of a W boson in association with two jets in proton–proton collisions at √s=13Te
Collaboration, CMS., Blekman, F., D'Hondt, J., De Clercq, J., Deroover, K., Flouris, G., Lontkovskyi, D., Lowette, S., Marchesini, I., Moortgat, S., Moreels, L., Python, Q., Skovpen, K., Tavernier, S., Van Doninck, W., Van Mulders, P., Van Parijs, I. M., Chhibra, S. S. & Burns, D., 1 jan 2020, In: Eur. Phys.j.c. 80, 1, 46 blz., 43.Onderzoeksoutput: Article › peer review
Open Access16 Citaten (Scopus)