M. Fritsch

activity

20032025

most citedEvidence for an excess of B -> D(*) Tau Nu decays

857 citations · 20.8k across the 426 of their papers we have counts for

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hep-ex2025

Search for the $Y (2175)$ in the photoproduction cross section measurement of $γ p \to ϕ π^{+} π^{-} p$ at GlueX

GlueX Collaboration

Based on 334 pb $^{- 1}$ of photoproduction data collected with the GlueX detector at Jefferson Lab, we have measured for the first time the cross section of the exclusive reaction $…

hep-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

hep-ex2022★ 3 cited

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using $e^{+} e^{-}$ annihilation data corresponding to a total integrated luminosity of $6.32$ fb $^{- 1}$ collected at the center-of-mass energies between 4.178 and 4.226 GeV with th…

hep-ex2022

Amplitude analysis and branching-fraction measurement of $D_{s}^{+} \to π^{+} π^{0} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +556

Using data collected with the BESIII detector in $e^{+} e^{-}$ collisions at center-of-mass energies between 4.178 and 4.226 GeV and corresponding to 6.32~fb $^{- 1}$ of integrated lumino…

hep-ex2021★ 6 cited

Amplitude analysis and branching fraction measurement of the decay $D_{s}^{+} \to π^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +498

Using a data set corresponding to an integrated luminosity of 6.32~ $f b^{- 1}$ recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, an amplitud…

hep-ex2021★ 11 cited

Observation of $ψ (3686) \to Ξ (1530)^{0} Ξ ˉ (1530)^{0}$ and $Ξ (1530)^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector and a single-baryon tagging technique, we present the first observation of the decays $ψ(3686…

hep-ex2021★ 1 cited

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

BABAR Collaboration

We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a $b$ ~quark and $b$ ~antiquark bound state. We look for the LFV decay $Υ(3S)\rightarrow…

hep-ex2021

Cross sections for the reactions $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} (π^{0})$ , $K^{+} K^{-} K^{+} K^{-} (π^{0})$ , $π^{+} π^{-} π^{+} π^{-} (π^{0})$ , $p p ˉ π^{+} π^{-} (π^{0})$ in the energy region between 3.773 and 4.600 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +500

Using the data samples collected in the energy range from 3.773 to 4.600 GeV with the BESIII detector at the BEPCII collider, we measure the dressed cross sections as a function of…

hep-ex2021★ 12 cited

Search for a $C P$ -odd light Higgs boson in $J / ψ \to γ A^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

Using $J / ψ$ radiative decays from 9.0 billion $J / ψ$ events collected by the BESIII detector, we search for di-muon decays of a $C P$ -odd light Higgs boson ( $A^{0}$ ), predicted by many…

hep-ex2021★ 5 cited

First measurement of polarizations in the decay $D^{0} \to ω ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

Using a data sample corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ collected at a center-of-mass energy $s = 3.773$ GeV by the BESIII detector, the decay $D^0 \to…

hep-ex2021★ 34 cited

Cross Section Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from $s = 4.0076$ ~GeV to 4.6984~GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +501

Using data samples with a total integrated luminosity of $20.1 f b^{- 1}$ collected by the BESIII detector operating at the BEPCII collider, the cross section of the process $e^+…

hep-ex2021★ 5 cited

Measurement of Branching Fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}$ and $Σ^{-}$

M. Ablikim, M. N. Achasov, P. Adlarson +500

Using $1310.6 \times 1 0^{6}$ $J / ψ$ and $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, the branching fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}\overli…

hep-ex2021★ 8 cited

Measurements of Born Cross Sections of $e^{+} e^{-} \to D_{s}^{*+} D_{s J}^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +500

The Born cross sections are measured for the first time for the processes $e^{+} e^{-} \to D_{s}^{*+} D_{s 0}^{*} (2317)^{-} + c . c .$ and $e^{+} e^{-} \to D_{s}^{*+} D_{s 1} (2460)^{-} + c . c .$ at the center-of-m…

hep-ex2021★ 17 cited

Cross section measurement of $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ at $s = 2.00 - 3.08 GeV$

M. Ablikim, M. N. Achasov, P. Adlarson +485

The cross sections of the process $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ are measured at fifteen center-of-mass energies $s$ from $2.00$ to $3.08 GeV$ with the BESIII det…

hep-ex2021★ 14 cited

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

M. Ablikim, M. N. Achasov, P. Adlarson +503

By analyzing $6.32 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energies between 4.178 and 4.226\,GeV with the BESIII detector, we determine the…

hep-ex2021★ 19 cited

Measurement of the absolute branching fraction of inclusive semielectronic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

We measure the inclusive semielectronic decay branching fraction of the $D_{s}^{+}$ meson. A double-tag technique is applied to $e^{+} e^{-}$ annihilation data collected by the BESIII exper…

hep-ex2021★ 7 cited

Study of the decay $D^{+} \to K^{*} (892)^{+} K_{S}^{0}$ in $D^{+} \to K^{+} K_{S}^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

Based on an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of 2.93 $fb^{- 1}$ collected with the BESIII detector at $\sqrt{s}=3.773 \mathrm{Ge…

hep-ex2021★ 24 cited

Study of the process $e^{+} e^{-} \to ϕ η$ at center-of-mass energies between 2.00 and 3.08 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +506

The process $e^{+} e^{-} \to ϕ η$ is studied at 22 center-of-mass energy points ( $s$ ) between 2.00 and 3.08 GeV using 715 pb $^{- 1}$ of data collected with the BESIII d…

hep-ex2021★ 12 cited

Search for the decay $D_{s}^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

Using 6.32 fb $^{- 1}$ of electron-positron collision data recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, we present the first search for the…

hep-ex2021★ 13 cited

Measurements of the branching fractions of $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ and $χ_{c J (J = 0, 1, 2)} \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Based on $4.481 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the branching fraction of the isospin violating decay $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ …

hep-ex2021★ 12 cited

Measurement of the $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ coherence factors and average strong-phase differences in quantum-correlated $D D ˉ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

The decays $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ are studied in a sample of quantum-correlated $D D ˉ$ pairs produced through the process $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ ,…

hep-ex2021★ 56 cited

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

The electromagnetic process $e^{+} e^{-} \to p p ˉ$ is studied with the initial-state-radiation technique using 7.5 fb $^{- 1}$ of data collected by the BESIII experiment at seven e…

hep-ex2021

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +482

Based on $14.7 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at the BEPCII collider at 17 different center-of-mass energies between $3.7730~\te…

hep-ex2021★ 20 cited

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

We report new measurements of the branching fraction $B (D_{s}^{+} \to ℓ^{+} ν)$ , where $ℓ^{+}$ is either $μ^{+}$ or $τ^{+} (\to π^{+} ν ˉ_{τ})$ , based on $6.32$ fb $^{- 1}$ of electron-posit…

Search for the Y(2175) in the photoproduction cross section measurement of γp→ϕπ+π−p at GlueX

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X

Amplitude analysis and branching fraction measurement of Ds+​→K−K+π+π+π−

Amplitude analysis and branching-fraction measurement of Ds+​→π+π0η′

Amplitude analysis and branching fraction measurement of the decay Ds+​→π+π0π0

Observation of ψ(3686)→Ξ(1530)0Ξˉ(1530)0 and Ξ(1530)0Ξˉ0

Search for Lepton Flavor Violation in Υ(3S)→e±μ∓

Cross sections for the reactions e+e−→K+K−π+π−(π0), K+K−K+K−(π0), π+π−π+π−(π0), ppˉ​π+π−(π0) in the energy region between 3.773 and 4.600 GeV

Search for a CP-odd light Higgs boson in J/ψ→γA0

First measurement of polarizations in the decay D0→ωϕ

Cross Section Measurement of e+e−→π+π−ψ(3686) from s​=4.0076~GeV to 4.6984~GeV

Measurement of Branching Fractions of J/ψ and ψ(3686) decays to Σ+ and Σ−

Measurements of Born Cross Sections of e+e−→Ds∗+​DsJ−​+c.c.

Cross section measurement of e+e−→KS0​KL0​ at s​=2.00−3.08 GeV

Measurement of the branching fraction of leptonic decay Ds+​→τ+ντ​ via τ+→π+π0νˉτ​

Measurement of the absolute branching fraction of inclusive semielectronic Ds+​ decays

Study of the decay D+→K∗(892)+KS0​ in D+→K+KS0​π0

Study of the process e+e−→ϕη at center-of-mass energies between 2.00 and 3.08 GeV

Search for the decay Ds+​→a0​(980)0e+νe​

Measurements of the branching fractions of ψ(3686)→Σˉ0Λ+c.c. and χcJ(J=0,1,2)​→ΛΛˉ

Measurement of the D→K−π+π+π− and D→K−π+π0 coherence factors and average strong-phase differences in quantum-correlated DDˉ decays

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

Cross section measurement of e+e−→ppˉ​η and e+e−→ppˉ​ω at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic Ds+​ decays

Search for the $Y (2175)$ in the photoproduction cross section measurement of $γ p \to ϕ π^{+} π^{-} p$ at GlueX

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

Amplitude analysis and branching fraction measurement of $D_{s}^{+} \to K^{-} K^{+} π^{+} π^{+} π^{-}$

Amplitude analysis and branching-fraction measurement of $D_{s}^{+} \to π^{+} π^{0} η^{'}$

Amplitude analysis and branching fraction measurement of the decay $D_{s}^{+} \to π^{+} π^{0} π^{0}$

Observation of $ψ (3686) \to Ξ (1530)^{0} Ξ ˉ (1530)^{0}$ and $Ξ (1530)^{0} Ξ ˉ^{0}$

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

Cross sections for the reactions $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-} (π^{0})$ , $K^{+} K^{-} K^{+} K^{-} (π^{0})$ , $π^{+} π^{-} π^{+} π^{-} (π^{0})$ , $p p ˉ π^{+} π^{-} (π^{0})$ in the energy region between 3.773 and 4.600 GeV

Search for a $C P$ -odd light Higgs boson in $J / ψ \to γ A^{0}$

First measurement of polarizations in the decay $D^{0} \to ω ϕ$

Cross Section Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from $s = 4.0076$ ~GeV to 4.6984~GeV

Measurement of Branching Fractions of $J / ψ$ and $ψ (3686)$ decays to $Σ^{+}$ and $Σ^{-}$

Measurements of Born Cross Sections of $e^{+} e^{-} \to D_{s}^{*+} D_{s J}^{-} + c . c .$

Cross section measurement of $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ at $s = 2.00 - 3.08 GeV$

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

Measurement of the absolute branching fraction of inclusive semielectronic $D_{s}^{+}$ decays

Study of the decay $D^{+} \to K^{*} (892)^{+} K_{S}^{0}$ in $D^{+} \to K^{+} K_{S}^{0} π^{0}$

Study of the process $e^{+} e^{-} \to ϕ η$ at center-of-mass energies between 2.00 and 3.08 GeV

Search for the decay $D_{s}^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

Measurements of the branching fractions of $ψ (3686) \to Σ ˉ^{0} Λ + c . c .$ and $χ_{c J (J = 0, 1, 2)} \to Λ Λ ˉ$

Measurement of the $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ coherence factors and average strong-phase differences in quantum-correlated $D D ˉ$ decays

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays