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Advanced Search Results For "Hansmann G"

1 - 10 of 1,156 results for
 "Hansmann G"
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Study of coherent J/ψ production in lead-lead collisions at s NN $$ \sqrt{{\mathrm{s}}_{\mathrm{NN}}} $$ = 5 TeV

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 7, Pp 1-19 (2022)

Abstract:Abstract Coherent production of J/ψ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LHCb experiment corresponding to an integrated luminosity of about 1...

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Search for the decay B 0 → ϕμ + μ −

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 5, Pp 1-21 (2022)

Abstract:Abstract A search for the decay B 0 → ϕμ + μ − is performed using proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV collected by the LHCb experiment and corresponding to an integrated luminosity of 9 fb −1. No evidence for the B 0...

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Observation of the doubly charmed baryon decay Ξ cc + + → Ξ c ′ + π + $$ {\varXi}_{cc}^{++}\to {\varXi}_c^{\prime +}{\pi}^{+} $$

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 5, Pp 1-18 (2022)

Abstract:Abstract The Ξ cc + + → Ξ c ′ + π + $$ {\varXi}_{cc}^{++}\to {\varXi}_c^{\prime +}{\pi}^{+} $$ decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated lumino...

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Study of charmonium and charmonium-like contributions in B+ → J/ψηK+ decays

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 4, Pp 1-29 (2022)

Abstract:Abstract A study of B+ → J/ψηK+ decays, followed by J/ψ → μ+μ − and η → γγ, is performed using a dataset collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosi...

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Search for massive long-lived particles decaying semileptonically at $${\sqrt{s}}=13\,\hbox {TeV}$$ s = 13 TeV

Publication Type:Academic Journal

Source(s):European Physical Journal C: Particles and Fields, Vol 82, Iss 4, Pp 1-19 (2022)

Abstract:Abstract A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the first, a Higgs-like boson with mass from 30 to 200 $$\text {\,GeV...

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Observation of Λ b 0 $$ {\Lambda}_b^0 $$ → D + pπ − π − and Λ b 0 $$ {\Lambda}_b^0 $$ → D *+ pπ − π − decays

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 3, Pp 1-30 (2022)

Abstract:Abstract The multihadron decays Λ b 0 $$ {\Lambda}_b^0 $$ → D+pπ−π− and Λ b 0 $$ {\Lambda}_b^0 $$ → D *+pπ−π− are observed in data corresponding to an integrated luminosity of 3 fb −1, collected in proton-proton collisions at centre-of-mass energies of...

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Searches for rare B s 0 $$ {B}_s^0 $$ and B 0 decays into four muons

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 3, Pp 1-27 (2022)

Abstract:Abstract Searches for rare B s 0 $$ {B}_s^0 $$ and B 0 decays into four muons are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb −1. Direct decays and decays via light sca...

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Search for the radiative Ξ b − $$ {\Xi}_b^{-} $$ → Ξ − γ decay

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 1, Pp 1-20 (2022)

Abstract:Abstract The first search for the rare radiative decay Ξ b − $$ {\Xi}_b^{-} $$ → Ξ − γ is performed using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity ...

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Measurement of the W boson mass

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 1, Pp 1-38 (2022)

Abstract:Abstract The W boson mass is measured using proton-proton collision data at s $$ \sqrt{s} $$ = 13 TeV corresponding to an integrated luminosity of 1.7 fb −1 recorded during 2016 by the LHCb experiment. With a simultaneous fit of the muon q/p T distribu...

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Study of B c + $$ {\mathrm{B}}_{\mathrm{c}}^{+} $$ decays to charmonia and three light hadrons

Publication Type:Academic Journal

Source(s):Journal of High Energy Physics, Vol 2022, Iss 1, Pp 1-28 (2022)

Abstract:Abstract Using proton-proton collision data, corresponding to an integrated luminosity of 9 fb −1 collected with the LHCb detector, seven decay modes of the B c + $$ {\mathrm{B}}_{\mathrm{c}}^{+} $$ meson into a J/ψ or ψ(2S) meson and three charged had...

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