A. Pathak

activity

20232026

most citedSearch for the massless dark photon with

D^{0} \to ω γ^{'}

and

D^{0} \to γ γ^{'}

5 citations · 14 across the 17 of their papers we have counts for

collaborators

17 papers

hep-ex2026

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +769

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$ processes are stu…

hep-ex2025★ 2 cited

Measurement of the branching fractions of the Cabibbo-favored decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Ξ^{0} K_{S}^{0} π^{+}$ and search for $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +664

Based on $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of about 4.5 fb $^{- 1}$ collected at center-of-mass energies between 4599.53 MeV and 4698.82 MeV with…

hep-ex2025

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we search for the lepton number violating decay $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$ for the first tim…

hep-ex2025

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

By analyzing $(2367.0 \pm 11.1) \times 1 0^{6}$ $ψ (3686)$ events collected in $e^{+} e^{-}$ collisions at $s = 3.686 GeV$ with the BESIII detector at the BEPCII collider, we report th…

hep-ex2025★ 1 cited

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events recorded with the BESIII detector, we search for the rare charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J/ψ\to D_{s}^{-}π…

hep-ex2025

Observation of $χ_{c J} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

By analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays $χ_{c 0, 1, 2} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$ are obse…

hep-ex2025

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +667

Based on $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, we perform a search for the baryon- and lepton-…

hep-ex2025★ 3 cited

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the Beijing Electron Positron Collider, the cross section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ is measured at 59…

hep-ex2025

Design and Commissioning of Readout Electronics for a $K_{L}^{0}$ and $μ$ Detector at the Belle II Experiment

C. Ketter, M. Andrew, T. Aushev +71

The K-long and muon detector (KLM) constitutes the outer-most volume of the Belle II spectrometer at the interaction region of the SuperKEKB collider in Tsukuba, Japan. The KLM det…

hep-ex2025

Observation of Charmonium $h_{c}$ Radiative Decays to Multiple Light Hadrons and the Tensor State $f_{2} (1270)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +668

Using $ψ (3686) \to π^{0} h_{c}$ decays from a data sample of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, $h_{c}$ rad…

hep-ex2024

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we present the first observations of the decays $χ_{cJ}(J=0,1,2…

hep-ex2024★ 5 cited

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

Using $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at $s = 3.773$ GeV with the BESIII detector at the BEPCII collider, we search for the massless dark photon with t…

hep-ex2024

Analysis of the dynamics of the decay $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

The branching fraction of $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$ is measured for the first time using $7.93 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass…

hep-ex2024

Observation of $η_{c}$ (1S, 2S) and $χ_{c J}$ decays to 2 $(π^{+} π^{-}) η$ via $ψ$ (3686) radiative transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +642

Based on $2.7 \times 1 0^{9} ψ (3686)$ decays collected with the BESIII detector, the radiative decay $ψ (3686) \to γ 2 (π^{+} π^{-}) η$ is investigated to measure properties of S- and P…

hep-ex2024

Search for $η_{c} (2 S) \to 2 (π^{+} π^{-})$ and improved measurement of $χ_{c J} \to 2 (π^{+} π^{-})$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

We search for the hadronic decay $η_{c} (2 S) \to 2 (π^{+} π^{-})$ in the $ψ (3686) \to γ η_{c} (2 S)$ radiative decay using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII dete…

hep-ex2024★ 2 cited

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using the $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, at center-of-mass energies from the threshold to $4.95$ ~GeV, we present preci…

hep-ex2023★ 1 cited

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

The singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$ is observed for the first time with a statistical significance of $6.4 σ$ by using 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ colli…

Observation of the X(2370) in J/ψ→γKS0​KS0​π0 and J/ψ→γπ0π0η

Measurement of the branching fractions of the Cabibbo-favored decays Λc+​→ΛKS0​K+ and Λc+​→Ξ0KS0​π+ and search for Λc+​→Σ0KS0​K+

Search for the lepton number violating process J/ψ→K+K+e−e−+c.c.

Search for the charged lepton flavor violating decay ψ(3686)→e±μ∓

Search for the charmonium weak decays J/ψ→Ds−​ρ++c.c. and J/ψ→Ds−​π++c.c.

Observation of χcJ​→3KS0​K±π∓

Search for the baryon and lepton number violating decay J/ψ→pe− + c.c

Observation of Three Resonant Structures in the Cross Section of e+e−→π+π−hc​

Design and Commissioning of Readout Electronics for a KL0​ and μ Detector at the Belle II Experiment

Observation of Charmonium hc​ Radiative Decays to Multiple Light Hadrons and the Tensor State f2​(1270)

Measurement of the Branching Fraction for the Decay χcJ​→ppˉ​ηπ0

Search for the massless dark photon with D0→ωγ′ and D0→γγ′

Analysis of the dynamics of the decay D+→KS0​π0e+νe​

Observation of ηc​(1S, 2S) and χcJ​ decays to 2(π+π−)η via ψ(3686) radiative transitions

Search for ηc​(2S)→2(π+π−) and improved measurement of χcJ​→2(π+π−)

Precise measurement of the e+e−→Ds+​Ds−​ cross sections at center-of-mass energies from threshold to 4.95 GeV

Observation of the Singly Cabibbo-Suppressed Decay Λc+​→Σ−K+π+

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

Measurement of the branching fractions of the Cabibbo-favored decays $Λ_{c}^{+} \to Λ K_{S}^{0} K^{+}$ and $Λ_{c}^{+} \to Ξ^{0} K_{S}^{0} π^{+}$ and search for $Λ_{c}^{+} \to Σ^{0} K_{S}^{0} K^{+}$

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

Observation of $χ_{c J} \to 3 K_{S}^{0} K^{\pm} π^{\mp}$

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

Observation of Three Resonant Structures in the Cross Section of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Design and Commissioning of Readout Electronics for a $K_{L}^{0}$ and $μ$ Detector at the Belle II Experiment

Observation of Charmonium $h_{c}$ Radiative Decays to Multiple Light Hadrons and the Tensor State $f_{2} (1270)$

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

Search for the massless dark photon with $D^{0} \to ω γ^{'}$ and $D^{0} \to γ γ^{'}$

Analysis of the dynamics of the decay $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$

Observation of $η_{c}$ (1S, 2S) and $χ_{c J}$ decays to 2 $(π^{+} π^{-}) η$ via $ψ$ (3686) radiative transitions

Search for $η_{c} (2 S) \to 2 (π^{+} π^{-})$ and improved measurement of $χ_{c J} \to 2 (π^{+} π^{-})$

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$