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Calibration of the CMS hadron calorimeters using proton-proton collision data at √s = 13 TeV
(IOP Publishing, 2020-05)
Methods are presented for calibrating the hadron calorimeter system of theCMSetector at the LHC. The hadron calorimeters of the CMS experiment are sampling calorimeters of brass and scintillator, and are in the form of one ...
Multiparticle correlation studies in pPb collisions at √sNN = 8.16 TeV
(American Physical Society, 2020-01-23)
The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at root s(NN) = 8.16 TeV, are studied over a wide range of event multiplicities. Multiparticle correlations ...
Search for anomalous triple gauge couplings in WW and WZ production in lepton + jet events in proton-proton collisions at s√ = 13 TeV
(Springer Nature, 2019-12-09)
A search is presented for three additional operators that would lead to anomalous WWγ or WWZ couplings with respect to those in the standard model. They are constrained by studying events with two vector bosons; a W boson ...
Mechanical stability of the CMS strip tracker measured with a laser alignment system
(IOP Publishing, 2017-04-21)
The CMS tracker consists of 206 m2 of silicon strip sensors assembled on carbon fibre composite structures and is designed for operation in the temperature range from −25 to +25°C. The mechanical stability of tracker ...
Measurement of single-diffractive dijet production in proton–proton collisions at s√=8 TeV with the CMS and TOTEM experiments
(Springer Nature, 2020-12)
Measurements are presented of the single-diffractive dijet cross section and the diffractive cross section as a function of the proton fractional momentum loss xi and the four-momentum transfer squared t. Both processes ...
Search for new physics in events with same-sign dileptons and b-tagged jets in pp collisions at root s=7 TeV
(Springer Science+Business Media, 2012-08)
A search for new physics is performed using isolated same-sign dileptons with at least two b-quark jets in the final state. Results are based on a 4.98 fb(-1) sample of proton-proton collisions at a centre-of-mass energy ...
Search for new neutral Higgs bosons through the H→ZA→ℓ+ℓ−bb¯¯¯ process in pp collisions at s√ = 13 TeV
(Springer Nature, 2020-03-10)
This paper reports on a search for an extension to the scalar sector of the standard model, where a new CP-even (odd) boson decays to a Z boson and a lighter CP-odd (even) boson, and the latter further decays to a b quark ...
Measurement of the semileptonic t t ¯ + γ production cross section in pp collisions at √s=8 TeV
(Springer International Publishing, 2017-10-02)
A measurement of the cross section for top quark-antiquark ( tt¯tt¯ ) pairs produced in association with a photon in proton-proton collisions at s√=8s=8 TeV is presented. The analysis uses data collected with the CMS ...
Study of jet quenching with Z + jet correlations in Pb-Pb and pp collisions at √sNN=5.02TeV
(American Physical Society, 2017-08-23)
The production of jets in association with Z bosons, reconstructed via the mu(+)mu(-) and e(+)e(-) decay channels, is studied in pp and, for the first time, in Pb-Pb collisions. Both data samples were collected by the CMS ...
Search for dijet resonances in proton–proton collisions at √s=13 TeV and constraints on dark matter and other models
(Elsevier, 2017-06-10)
A search is presented for narrow resonances decaying to dijet final states in proton–proton collisions at
√s = 13 TeV using data corresponding to an integrated luminosity of 12.9 fb−1. The dijet mass spectrum
is well ...
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