K. Fischer

activity

20192025

most citedObservation of an exotic narrow doubly charmed tetraquark

403 citations · 2.2k across the 61 of their papers we have counts for

collaborators

Showing 2023Show all

9 papers · 1 filter

hep-ex2023★ 7 cited

Search for the decay $χ_{c 1} (3872) \to π^{+} π^{-} χ_{c 1}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using a data sample corresponding to an integrated luminosity of 10.9 fb $^{- 1}$ collected at center-of-mass energies from 4.16 to 4.34 GeV with the BESIII detector, we search for t…

hep-ex2023★ 22 cited

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented using a dataset corresponding to an integrated luminosity of $4.7$ fb $^{- 1}$ of $pp$ collision data collecte…

hep-ex2023★ 11 cited

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

The longitudinal polarization fraction of the $D^{*}$ meson is measured in $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays, where the $τ$ lepton decays to three charged pions and a neutrino, using…

hep-ex2023★ 12 cited

Measurement of $e^{+} e^{-} \to η J / ψ$ Cross Section from $s =$ 3.808 GeV to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using data samples with an integrated luminosity of 22.42 fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, we measure the cross sections of the $e^{…

hep-ex2023★ 19 cited

Measurement of CP violation in $B^{0} \to ψ (\to ℓ^{+} ℓ^{-}) K_{S}^{0} (\to π^{+} π^{-})$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1085

A measurement of time-dependent CP violation in the decays of $B^{0}$ and $B^{0}$ mesons to the final states $J / ψ (\to μ^{+} μ^{-}) K_{S}^{0}$ , $ψ (2 S) (\to μ^{+} μ^{-}) K_{S}^{0}$ and $J/ψ(\to e^+e…

hep-ex2023★ 1 cited

Measurement of the CKM angle $γ$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1061

A model-independent study of CP violation in $B^{0} \to D K^{* 0}$ decays is presented using data corresponding to an integrated luminosity of 9fb $^{- 1}$ collected by the LHCb experime…

hep-ex2023★ 1 cited

Measurements of $C P$ asymmetries and branching fraction ratios of $B^{-}$ decays to two charm mesons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1053

The $C P$ asymmetries of seven $B^{-}$ decays to two charm mesons are measured using data corresponding to an integrated luminosity of $9 fb^{- 1}$ of proton-proton collisions c…

hep-ex2023★ 9 cited

Measurement of the $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ differential branching fraction

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

The branching fraction of the rare decay $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ is measured for the first time, in the squared dimuon mass intervals, $q^{2}$ , excluding the $J / ψ$ and $ψ(2…

hep-ex2023★ 8 cited

A study of $C P$ violation in the decays $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ ( $h = K, π$ ) and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$

LHCb collaboration

The first study of $C P$ violation in the decay mode $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ , with $h = K, π$ , is presented, exploiting a data sample of proton-proton collisions collected b…

Search for the decay χc1​(3872)→π+π−χc1​

Amplitude analysis of the B0→K∗0μ+μ− decay

Measurement of the D∗ longitudinal polarization in B0→D∗−τ+ντ​ decays

Measurement of e+e−→ηJ/ψ Cross Section from s​= 3.808 GeV to 4.951 GeV

Measurement of CP violation in B0→ψ(→ℓ+ℓ−)KS0​(→π+π−) decays

Measurement of the CKM angle γ in the B0→DK∗0 channel using self-conjugate D→KS0​h+h− decays

Measurements of CP asymmetries and branching fraction ratios of B− decays to two charm mesons

Measurement of the Λb0​→Λ(1520)μ+μ− differential branching fraction

A study of CP violation in the decays B±→[K+K−π+π−]D​h± (h=K,π) and B±→[π+π−π+π−]D​h±