Encontrados 11 documentos, a visualizar página 1 de 2
Search for narrow Hγ resonances in proton-proton collisions at s =13 TeV
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 2022-04-30T16:25:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-03-01; Centre National de la Recherche Scientifique; Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ); A search for heavy, narrow resonances decaying to a Higgs boson and a photon (Hγ) has been performed in proton-proton collision data at a center-of-mass energy of 13 TeV, corresponding to an...
Search for Physics beyond the Standard Model in Events with Overlapping Photons...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.Made available in DSpace on 2022-04-30T21:19:52Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-12-11; Results are reported from a search for new particles that decay into a photon and two gluons, in events with jets. Novel jet substructure techniques are developed that allow photons to be identified in an environment densely populated with hadrons. The analyzed proton-proton collision data were collecte...
Search for long-lived particles using delayed photons in proton-proton collisio...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.Made available in DSpace on 2022-04-30T21:33:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-12-09; A search for long-lived particles decaying to photons and weakly interacting particles, using proton-proton collision data at s=13 TeV collected by the CMS experiment in 2016-2017 is presented. The data set corresponds to an integrated luminosity of 77.4 fb-1. Results are interpreted in the context of s...
Search for supersymmetry in pp collisions at s =13 TeV with 137 fb-1 in final s...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.; Frühwirth, R.Made available in DSpace on 2022-04-30T22:56:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-03-01; Results are reported from a search for new physics beyond the standard model in proton-proton collisions in final states with a single lepton; multiple jets, including at least one jet tagged as originating from the hadronization of a bottom quark; and large missing transverse momentum. The search uses ...
Measurements of t t ¯ H Production and the CP Structure of the Yukawa Interacti...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.; Frühwirth, R.Made available in DSpace on 2022-04-30T23:49:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-08-07; The first observation of the tt¯H process in a single Higgs boson decay channel with the full reconstruction of the final state (H→γγ) is presented, with a significance of 6.6 standard deviations (σ). The CP structure of Higgs boson couplings to fermions is measured, resulting in an exclusion of the pur...
Observation of the Production of Three Massive Gauge Bosons at s =13 TeV
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 2022-05-01T00:29:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-10-05; The first observation is reported of the combined production of three massive gauge bosons (VVV with V=W, Z) in proton-proton collisions at a center-of-mass energy of 13 TeV. The analysis is based on a data sample recorded by the CMS experiment at the CERN LHC corresponding to an integrated luminosity o...
Measurement of the associated production of a Z boson with charm or bottom quar...
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.Made available in DSpace on 2022-05-01T00:57:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-08-01; Ratios of cross sections, σ(Z+c jets)/σ(Z+jets), σ(Z+b jets)/σ(Z+jets), and σ(Z+c jets)/σ(Z+b jets) in the associated production of a Z boson with at least one charm or bottom quark jet are measured in proton-proton collisions at s=13 TeV. The data sample, collected by the CMS experiment at the CERN LHC...
Search for resonant pair production of Higgs bosons in the bbZZ channel in prot...
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 2022-05-01T01:11:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-08-01; A search for the production of a narrow-width resonance decaying into a pair of Higgs bosons decaying into the bbZZ channel is presented. The analysis is based on data collected with the CMS detector during 2016, in proton-proton collisions at the LHC, corresponding to an integrated luminosity of 35.9 f...
W+W- boson pair production in proton-proton collisions at s =13 TeV
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 2022-05-01T01:25:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; A measurement of the W+W- boson pair production cross section in proton-proton collisions at s=13 TeV is presented. The data used in this study are collected with the CMS detector at the CERN LHC and correspond to an integrated luminosity of 35.9 fb-1. The W+W- candidate events are selected by requiring...
Evidence for Top Quark Production in Nucleus-Nucleus Collisions
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 2022-05-01T02:22:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-24; Ultrarelativistic heavy ion collisions recreate in the laboratory the thermodynamical conditions prevailing in the early universe up to 10-6 sec, thereby allowing the study of the quark-gluon plasma (QGP), a state of quantum chromodynamics (QCD) matter with deconfined partons. The top quark, the heavies...