H. Hopchev

most citedSearch for long-lived scalar particles in

B^{+} \to K^{+} χ (μ^{+} μ^{-})

decays

144 citations · 801 across the 15 of their papers we have counts for

collaborators

15 papers

hep-ex2017★ 24 cited

Measurement of $B_{s}^{0}$ and $D_{s}^{-}$ meson lifetimes

LHCb collaboration, R. Aaij, B. Adeva +774

We report on a measurement of the flavor-specific $B_{s}^{0}$ lifetime and of the $D_{s}^{-}$ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, col…

hep-ex2017★ 32 cited

Measurement of the $C P$ violation parameter $A_{Γ}$ in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

Asymmetries in the time-dependent rates of $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays are measured in a $pp$ collision data sample collected with the LHCb detector during LHC Run…

hep-ex2017★ 82 cited

Study of the $D^{0} p$ amplitude in $Λ_{b}^{0} \to D^{0} p π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

An amplitude analysis of the decay $Λ_{b}^{0} \to D^{0} p π^{-}$ is performed in the part of the phase space containing resonances in the $D^{0} p$ channel. The study is based on a data sampl…

hep-ex2016★ 66 cited

Measurement of the CKM angle $γ$ from a combination of LHCb results

LHCb collaboration, R. Aaij, B. Adeva +765

A combination of measurements sensitive to the CKM angle $γ$ from LHCb is performed. The inputs are from analyses of time-integrated $B^{+} \to D K^{+}$ , $B^{0} \rightarrow D K…

hep-ex2016★ 144 cited

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

A search for a long-lived scalar particle $χ$ is performed, looking for the decay $B^{+} \to K^{+} χ$ with $χ \to μ^{+} μ^{-}$ in $pp$ collision data corresponding to an integrated lumin…

hep-ex2016★ 77 cited

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, B. Adeva +763

The production cross-section of $J / ψ$ pairs is measured using a data sample of $pp$ collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\mat…

hep-ex2016★ 98 cited

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +766

Measurements of the cross-section for producing \bquark quarks in the reaction $pp \to b b ˉ X$ are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapi…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 71 cited

Search for massive long-lived particles decaying semileptonically in the LHCb detector

LHCb collaboration, R. Aaij, B. Adeva +767

A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 45 cited

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +763

A measurement of the time-integrated $C P$ asymmetry in the Cabibbo-suppressed decay $D^{0} \to K^{-} K^{+}$ is performed using pp collision data, corresponding to an integrated lum…

hep-ex2016★ 30 cited

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +765

A search for the $B^{0} \to K^{+} K^{-}$ decay is performed using $pp$ -collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb $^{- 1}$ at c…

hep-ex2016★ 35 cited

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +765

The polarization of photons produced in radiative $B_{s}^{0}$ decays is studied for the first time. The data are recorded by the LHCb experiment in $pp$ collisions corresponding to…

hep-ex2016★ 16 cited

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +767

The $C P$ violation observables $S$ and $C$ in the decay channel $B^{0} \to D^{+} D^{-}$ are determined from a sample of proton-proton collisions at center-of-mass energies of 7…

hep-ex2016★ 48 cited

Measurement of forward $W \to e ν$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +763

A measurement of the cross-section for $W \to e ν$ production in $pp$ collisions is presented using data corresponding to an integrated luminosity of $2$ fb $^{- 1}$ collected by the…

Measurement of Bs0​ and Ds−​ meson lifetimes

Measurement of the CP violation parameter AΓ​ in D0→K+K− and D0→π+π− decays

Study of the D0p amplitude in Λb0​→D0pπ− decays

Measurement of the CKM angle γ from a combination of LHCb results

Search for long-lived scalar particles in B+→K+χ(μ+μ−) decays

Measurement of the J/ψ pair production cross-section in pp collisions at s​=13TeV

Measurement of the b-quark production cross-section in 7 and 13 TeV pp collisions

Observation of the decay Ξb−​→pK−K−

Search for massive long-lived particles decaying semileptonically in the LHCb detector

Search for decays of neutral beauty mesons into four muons

Measurement of CP asymmetry in D0→K−K+ decays

Observation of the annihilation decay mode B0→K+K−

First experimental study of photon polarization in radiative Bs0​ decays

Measurement of CP violation in B0→D+D− decays

Measurement of forward W→eν production in pp collisions at s​=8TeV

Measurement of $B_{s}^{0}$ and $D_{s}^{-}$ meson lifetimes

Measurement of the $C P$ violation parameter $A_{Γ}$ in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

Study of the $D^{0} p$ amplitude in $Λ_{b}^{0} \to D^{0} p π^{-}$ decays

Measurement of the CKM angle $γ$ from a combination of LHCb results

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

Measurement of $C P$ violation in $B^{0} \to D^{+} D^{-}$ decays

Measurement of forward $W \to e ν$ production in $pp$ collisions at $s = 8$ TeV