Výsledky vyhledávání - "Col·lisions (Física)"

Quantum Dynamics of Nonadiabatic Renner-Teller Effects in Atom + Diatom Collisions

Autor: Carlo Petrongolo, Miguel González, Pablo Gamallo

Publikováno v: The journal of physical chemistry. A. 125(31)

We review the quantum nonadiabatic dynamics of atom + diatom collisions due to the Renner-Teller (RT) effect, i.e., to the Hamiltonian operators that contain the total spinless electronic angular momentum L. As is well-known, this rovibronic effect i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8994f9382ce85b241a32ac45b960c41e
https://pubmed.ncbi.nlm.nih.gov/34319740

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Collisions of Nucleons with Atoms: Calculated Cross Sections and Monte Carlo Simulation

Autor: Francesc Salvat, José Manuel Quesada

Publikováno v: idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Frontiers in Physics, Vol 9 (2021)
Dipòsit Digital de la UB
Universidad de Barcelona

After a summary description of the theory of elastic collisions of nucleons with atoms, we present the calculation of a generic database of differential and integrated cross sections for the simulation of multiple elastic collisions of protons and ne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6631668011feae0fd05539775175eb7

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Observation of a new Ξ0 b state

Autor: LHCb Collaboration - CERN, Calvo Gómez, Míriam, Golobardes, Elisabet, Vilasís Cardona, Xavier

Publikováno v: RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
instname
Recercat: Dipósit de la Recerca de Catalunya
Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)

Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5 fb−1, the observation of a new excited Ξ0 b resonance decaying to the Ξ− b πþ final state is presented. The state,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::00e86f5079226874fb8499eccd9905aa
http://hdl.handle.net/2072/449853

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Test of lepton universality with Λ0b→pK−ℓ+ℓ− decays

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Golobardes, Elisabet, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

Publikováno v: RECERCAT (Dipòsit de la Recerca de Catalunya)
Recercat: Dipósit de la Recerca de Catalunya
Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Recercat. Dipósit de la Recerca de Catalunya
instname

The ratio of branching fractions of the decays Λ0b → pK−e+e− and Λ0b → pK−μ+μ−, R−1pK, is measured for the first time using proton-proton collision data corresponding to an integrated luminosity of 4.7 fb−1 recorded with the LHCb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e63c1a89cf85c07e2b6e311ee75a4e77
https://hdl.handle.net/2072/377636

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Measurement of fs/fu Variation with Proton-Proton Collision Energy and B-Meson Kinematics

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

The ratio of the B0s and B+ fragmentation fractions fs and fu is studied with B0s→J/ψϕ and B+→J/ψK+ decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The analysis is per

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::10c17428d3e9d6d94815055ada3058a6
https://hdl.handle.net/2072/377960

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Measurement of the ηc(1S) production cross-section in p p collisions at s√=13 TeV

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

Using a data sample corresponding to an integrated luminosity of 2.0 fb−1, collected by the LHCb experiment, the production of the ηc(1S) state in proton–proton collisions at a centre-of-mass energy of s√=13 TeV is studied in the rapidity rang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::599ce329dfeccd8f661ee02731981bf9
https://hdl.handle.net/2072/377969

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Measurement of ψ(2S) production cross-sections in proton-proton collisions at s√=7 and 13 TeV

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

The cross-sections of ψ(2S) meson production in proton-proton collisions at s√=13 TeV are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of 275 pb−1. The production cross-sections for prompt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b7c59041ad385dd13df7ddbe5be9725d
https://hdl.handle.net/2072/377629

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Precision measurement of the Ξ++cc mass

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

A measurement of the Ξ++cc mass is performed using data collected by the LHCb experiment between 2016 and 2018 in pp collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6 fb−1. The Ξ++cc candidates are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::798f451b120e6d3e1c8906abd86f4bfa
http://hdl.handle.net/2072/377957

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Measurement of CP observables in B± → DK± and B± → Dπ± with D → K0SK±π∓ decays

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Golobardes, Elisabet, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D¯¯¯¯0 states. The D meson is reconstructed in the three-body final states K0SK±π∓ and K0SK∓π±. The analys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7fddd62731fc913a9206c3388296cbb1
http://hdl.handle.net/2072/376845

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Precision measurement of the B+c meson mass

Autor: Calvo Gómez, Míriam, Camboni, Alessandro, Golobardes, Elisabet, Vilasís Cardona, Xavier, LHCb Collaboration - CERN

A precision measurement of the B+c meson mass is performed using proton- proton collision data collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated luminosity of 9.0 fb−1. The B+c mes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::370fff853eb9eae5754ac7dba34ee46a
http://hdl.handle.net/2072/377974

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