109 documents found, page 1 of 11
Search for dark matter produced in association with heavy-flavor quark pairs in...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.Made available in DSpace on 2022-04-30T04:23:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-12-01; A search is presented for an excess of events with heavy-flavor quark pairs (tt¯ and bb¯) and a large imbalance in transverse momentum in data from proton–proton collisions at a center-of-mass energy of 13TeV. The data correspond to an integrated luminosity of 2.2fb-1 collected with the CMS detector at ...
Studies of Bs2∗(5840)0 and B s 1(5830) 0 mesons including the observation of th...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Del Valle, A. EscalanteMade available in DSpace on 2022-04-30T12:56:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-11-01; Qatar National Research Fund; Welch Foundation; Measurements of Bs2∗(5840)0 and B s 1(5830) 0 mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of [InlineEquation not available: see fulltext.], collected with the CMS detector at the LHC at a c...
A Deep Neural Network for Simultaneous Estimation of b Jet Energy and Resolution
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Valle, A. Escalante Del; Flechl, M.; Frühwirth, R.Made available in DSpace on 2022-05-01T02:51:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-12-01; We describe a method to obtain point and dispersion estimates for the energies of jets arising from b quarks produced in proton–proton collisions at an energy of s=13TeV at the CERN LHC. The algorithm is trained on a large sample of simulated b jets and validated on data recorded by the CMS detector in ...
Correlations of azimuthal anisotropy Fourier harmonics with subevent cumulants ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.Made available in DSpace on 2022-05-01T03:29:55Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; Event-by-event long-range correlations of azimuthal anisotropy Fourier coefficients (vn) in 8.16 TeV pPb data, collected by the CMS experiment at the CERN Large Hadron Collider, are extracted using a subevent four-particle cumulant technique applied to very low multiplicity events. Each combination of f...
Measurements of production cross sections of the Higgs boson in the four-lepton...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Dragicevic, M.; Valle, A. Escalante Del; Frühwirth, R.Made available in DSpace on 2022-05-01T04:26:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-01; Production cross sections of the Higgs boson are measured in the H → Z Z → 4 ℓ (ℓ=e,μ) decay channel. A data sample of proton–proton collisions at a center-of-mass energy of 13Te, collected by the CMS detector at the LHC and corresponding to an integrated luminosity of 137fb-1 is used. The signal streng...
Measurements of the differential cross sections of the production of Z + jets a...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T04:56:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01; Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions ...
MUSiC: a model-unspecific search for new physics in proton–proton collisions at...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Del Valle, A. Escalante; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T06:02:42Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-07-01; Results of the Model Unspecific Search in CMS (MUSiC), using proton–proton collision data recorded at the LHC at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 35.9fb-1, are presented. The MUSiC analysis searches for anomalies that could be signatures of physics beyond th...
Search for a heavy vector resonance decaying to a Z boson and a Higgs boson in ...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Valle, A. Escalante Del; Frühwirth, R.; Jeitler, M.; Krammer, N.Made available in DSpace on 2022-05-01T08:15:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-01; A search is presented for a heavy vector resonance decaying into a Z boson and the standard model Higgs boson, where the Z boson is identified through its leptonic decays to electrons, muons, or neutrinos, and the Higgs boson is identified through its hadronic decays. The search is performed in a Lorent...
Precision luminosity measurement in proton–proton collisions at √s=13TeV in 201...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Dragicevic, M.; Valle, A. Escalante Del; Frühwirth, R.Made available in DSpace on 2022-05-01T09:00:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-09-01; The measurement of the luminosity recorded by the CMS detector installed at LHC interaction point 5, using proton–proton collisions at s=13TeV in 2015 and 2016, is reported. The absolute luminosity scale is measured for individual bunch crossings using beam-separation scans (the van der Meer method), wi...
Study of Z boson plus jets events using variables sensitive to double-parton sc...
Tumasyan, A.; Adam, W.; Andrejkovic, J. W.; Bergauer, T.; Chatterjee, S.; Dragicevic, M.; Escalante Del Valle, A.; Frühwirth, R.; Jeitler, M.Made available in DSpace on 2022-05-01T10:03:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-10-01; Double-parton scattering is investigated using events with a Z boson and jets. The Z boson is reconstructed using only the dimuon channel. The measurements are performed with proton-proton collision data recorded by the CMS experiment at the LHC at s = 13 TeV, corresponding to an integrated luminosity o...