I. Tapan

activity

20092020

most citedA Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector

636 citations · 7k across the 148 of their papers we have counts for

collaborators

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144 papers · 1 filter

hep-ex2020★ 244 cited

The Large Hadron-Electron Collider at the HL-LHC

P. Agostini, H. Aksakal, S. Alekhin +333

The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting ener…

hep-ex2019★ 28 cited

Observation of $D^{+} \to η η π^{+}$ and improved measurement of $D^{0 (+)} \to η π^{+} π^{- (0)}$

BESIII Collaboration

Using an $e^{+} e^{-}$ annihilation data sample corresponding to an integrated luminosity of $2.93 f b^{- 1}$ collected at the center-of-mass energy of 3.773\,GeV with the BESIII det…

hep-ex2019★ 13 cited

Search for heavy Majorana neutrino in lepton number violating decays of D-> K pi e+ e+

BESIII Collaboration, M. Ablikim, M. N. Achasov +456

Using the data sample of an integrated luminosity of 2.93 fb $^{- 1}$ taken at the center-of-mass energy of 3.773 GeV, we search for the Majorana neutrino in the lepton number violat…

hep-ex2019★ 22 cited

Observation and study of the decay $J / ψ \to ϕ η η^{'}$

M. Ablikim, M. N. Achasov, S. Ahmed +455

We report the observation and study of the decay $J / ψ \to ϕ η η^{'}$ using $1.3 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector. Its branching fraction, including all…

hep-ex2018★ 8 cited

Observation of $e^{+} e^{-} \to D_{s}^{+} D^{(*) 0} K^{-}$ and study of the $P$ -wave $D_{s}$ mesons

BESIII Collaboration, M. Ablikim, M. N. Achasov +453

Studies of $e^{+} e^{-} \to D_{s}^{+} D^{(*) 0} K^{-}$ and the $P$ -wave charmed-strange mesons are performed based on an $e^{+} e^{-}$ collision data sample corresponding to an integrat…

hep-ex2018★ 13 cited

Observation of $ψ (3686) \to p p ˉ η^{'}$ and improved measurement of $J / ψ \to p p ˉ η^{'}$

M. Ablikim, M. N. Achasov, S. Ahmed +460

We observe the process $ψ (3686) \to p p ˉ η^{'}$ for the first time, with a statistical significance higher than 10 $σ$ , and measure the branching fraction of $J/ψ\to p \ba…

hep-ex2018★ 81 cited

Measurement of $e^{+} e^{-} \to K^{+} K^{-}$ cross section at $s = 2.00 - 3.08$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +455

The cross section of the process $e^{+} e^{-} \to K^{+} K^{-}$ is measured at a number of center-of-mass energies $s$ from 2.00 to 3.08 GeV with the BESIII detector…

hep-ex2018★ 16 cited

Evidence for the decays of $Λ_{c}^{+} \to Σ^{+} η$ and $Σ^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +458

We study the hadronic decays of $Λ_{c}^{+}$ to the final states $Σ^{+} η$ and $Σ^{+} η^{'}$ , using an $e^{+} e^{-}$ annihilation data sample of 567 pb $^{- 1}$ taken at a center-of-mas…

hep-ex2018★ 14 cited

Observation of $D_{s}^{+} \to p n ˉ$ and confirmation of its large branching fraction

BESIII Collaboration, M. Ablikim, M. N. Achasov +455

The baryonic decay $D_{s}^{+} \to p n ˉ$ is observed, and the corresponding branching fraction is measured to be $(1.21 \pm 0.10 \pm 0.05) \times 1 0^{- 3}$ , where the first uncertai…

hep-ex2018★ 11 cited

Observation of the $W$ -Annihilation Decay $D_{s}^{+} \to ω π^{+}$ and Evidence for $D_{s}^{+} \to ω K^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +461

We report on the observation of the $W$ -annihilation decay $D_{s}^{+} \to ω π^{+}$ and the evidence for $D_{s}^{+} \to ω K^{+}$ with a data sample corresponding to an…

hep-ex2018★ 11 cited

First observations of $h_{c} \to$ hadrons

M. Ablikim, M. N. Achasov, S. Ahmed +461

Based on $(4.48 \pm 0.03) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, five $h_{c}$ hadronic decays are searched for via process $ψ (3686) \to π^{0} h_{c}$ . Three o…

hep-ex2018★ 8 cited

Observation of OZI suppressed decays $χ_{c J} \to ω ϕ$

M. Ablikim, M. N. Achasov, S. Ahmed +462

Decays $χ_{c J} (J = 0, 1, 2) \to ω ϕ$ are studied using $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector in 2009 and 2012. In addition to the previously est…

hep-ex2018★ 26 cited

Measurement of $B (J / ψ \to η^{'} e^{+} e^{-}$ ) and search for a dark photon

M. Ablikim, M. N. Achasov, S. Ahmed +455

Using a data sample of $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ decay events collected with the BESIII detector at BEPCII, we study the electromagnetic Dalitz decay $J / ψ \to η^{'} e^{+} e^{-}$ wi…

hep-ex2018★ 8 cited

First measurement of $e^{+} e^{-} \to p K_{S}^{0} n ˉ K^{-} + c . c .$ above open charm threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +435

The process $e^{+} e^{-} \to p K_{S}^{0} n ˉ K^{-} + c . c .$ and its intermediate processes are studied for the first time, using data samples collected with the BESIII detector a…

hep-ex2018★ 45 cited

Amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +444

An amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays is performed using the $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ decays collected by the BESIII detecto…

hep-ex2018★ 30 cited

Measurement of the absolute branching fraction of the inclusive semileptonic $Λ_{c}^{+}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +435

Using a data sample corresponding to an integrated luminosity of 567 pb $^{- 1}$ collected at a center-of-mass energy of $s = 4.6$ GeV with the BESIII detector, we measure the a…

hep-ex2018★ 5 cited

Measurement of Singly Cabibbo-Suppressed Decays $D^{0} \to π^{0} π^{0} π^{0}$ , $π^{0} π^{0} η$ , $π^{0} η η$ and $η η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +431

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 2.93 $f b^{- 1}$ collected with the BESIII detector at a center-of-mass energy of $\sqrt{s…

hep-ex2018★ 26 cited

Observation of $h_{1} (1380)$ in the $J / ψ \to η^{'} K K ˉ π$ Decay

M. Ablikim, M. N. Achasov, S. Ahmed +433

Using $1.31 \times 1 0^{9}$ $J / ψ$ events collected by the BESIII detector at the BEPCII $e^{+} e^{-}$ collider, we report the first observation of the $h_{1} (1380)$ in $J/ψ\to η^{\prime} h_1…

hep-ex2018★ 29 cited

Measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to Λ + X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +446

Based on an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of 567 $pb^{- 1}$ taken at the center-of-mass energy of $s = 4.6$ GeV with the BESI…

hep-ex2018

Study of the decays $D^{+} \to η^{(')} e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, S. Ahmed +442

The charm semileptonic decays $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η^{'} e^{+} ν_{e}$ are studied with a sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 2.93 fb$^{-…

hep-ex2018★ 11 cited

Observation of $ψ (3686) \to η^{'} e^{+} e^{-}$

M. Ablikim, M. N. Achasov, S. Ahmed +454

Using a data sample of $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we report the first observation of the electromagnetic Dalitz…

hep-ex2018★ 32 cited

Measurement of e+e- --> D Dbar Cross Sections at the psi(3770) Resonance

BESIII Collaboration, M. Ablikim, M. N. Achasov +452

We report new measurements of the cross sections for the production of D Dbar final states at the psi(3770) resonance. Our data sample consists of an integrated luminosity of 2.93/…

hep-ex2018★ 31 cited

Measurements of Absolute Branching Fractions for $Λ_{c}^{+} \to Ξ^{0} K^{+}$ and $Ξ (1530)^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +435

We report the first measurements of absolute branching fractions for the $W$ -exchange-only processes $Λ_{c}^{+} \to Ξ^{0} K^{+}$ and $Λ_{c}^{+} \to Ξ (1530)^{0} K^{+}$ with the double-tag technique, by a…

hep-ex2018★ 14 cited

Observation of $ψ (3686) \to n n ˉ$ and improved measurement of $ψ (3686) \to p p ˉ$

M. Ablikim, M. N. Achasov, S. Ahmed +423

We observe the decay $ψ (3686) \to n n ˉ$ for the first time and measure $ψ (3686) \to p p ˉ$ with improved accuracy by using $1.07 \times 1 0^{8}$ $ψ (3686)$ events collected wit…

The Large Hadron-Electron Collider at the HL-LHC

Observation of D+→ηηπ+ and improved measurement of D0(+)→ηπ+π−(0)

Search for heavy Majorana neutrino in lepton number violating decays of D-> K pi e+ e+

Observation and study of the decay J/ψ→ϕηη′

Observation of e+e−→Ds+​D(∗)0K− and study of the P-wave Ds​ mesons

Observation of ψ(3686)→ppˉ​η′ and improved measurement of J/ψ→ppˉ​η′

Measurement of e+e−→K+K− cross section at s​=2.00−3.08 GeV

Evidence for the decays of Λc+​→Σ+η and Σ+η′

Observation of Ds+​→pnˉ and confirmation of its large branching fraction

Observation of the W-Annihilation Decay Ds+​→ωπ+ and Evidence for Ds+​→ωK+

First observations of hc​→ hadrons

Observation of OZI suppressed decays χcJ​→ωϕ

Measurement of B(J/ψ→η′e+e−) and search for a dark photon

First measurement of e+e−→pKS0​nˉK−+c.c. above open charm threshold

Amplitude analysis of the KS​KS​ system produced in radiative J/ψ decays

Measurement of the absolute branching fraction of the inclusive semileptonic Λc+​ decay

Measurement of Singly Cabibbo-Suppressed Decays D0→π0π0π0, π0π0η, π0ηη and ηηη

Observation of h1​(1380) in the J/ψ→η′KKˉπ Decay

Measurement of absolute branching fraction of the inclusive decay Λc+​→Λ+X

Study of the decays D+→η(′)e+νe​

Observation of ψ(3686)→η′e+e−

Measurement of e+e- --> D Dbar Cross Sections at the psi(3770) Resonance

Measurements of Absolute Branching Fractions for Λc+​→Ξ0K+ and Ξ(1530)0K+

Observation of ψ(3686)→nnˉ and improved measurement of ψ(3686)→ppˉ​

Observation of $D^{+} \to η η π^{+}$ and improved measurement of $D^{0 (+)} \to η π^{+} π^{- (0)}$

Observation and study of the decay $J / ψ \to ϕ η η^{'}$

Observation of $e^{+} e^{-} \to D_{s}^{+} D^{(*) 0} K^{-}$ and study of the $P$ -wave $D_{s}$ mesons

Observation of $ψ (3686) \to p p ˉ η^{'}$ and improved measurement of $J / ψ \to p p ˉ η^{'}$

Measurement of $e^{+} e^{-} \to K^{+} K^{-}$ cross section at $s = 2.00 - 3.08$ GeV

Evidence for the decays of $Λ_{c}^{+} \to Σ^{+} η$ and $Σ^{+} η^{'}$

Observation of $D_{s}^{+} \to p n ˉ$ and confirmation of its large branching fraction

Observation of the $W$ -Annihilation Decay $D_{s}^{+} \to ω π^{+}$ and Evidence for $D_{s}^{+} \to ω K^{+}$

First observations of $h_{c} \to$ hadrons

Observation of OZI suppressed decays $χ_{c J} \to ω ϕ$

Measurement of $B (J / ψ \to η^{'} e^{+} e^{-}$ ) and search for a dark photon

First measurement of $e^{+} e^{-} \to p K_{S}^{0} n ˉ K^{-} + c . c .$ above open charm threshold

Amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays

Measurement of the absolute branching fraction of the inclusive semileptonic $Λ_{c}^{+}$ decay

Measurement of Singly Cabibbo-Suppressed Decays $D^{0} \to π^{0} π^{0} π^{0}$ , $π^{0} π^{0} η$ , $π^{0} η η$ and $η η η$

Observation of $h_{1} (1380)$ in the $J / ψ \to η^{'} K K ˉ π$ Decay

Measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to Λ + X$

Study of the decays $D^{+} \to η^{(')} e^{+} ν_{e}$

Observation of $ψ (3686) \to η^{'} e^{+} e^{-}$

Measurements of Absolute Branching Fractions for $Λ_{c}^{+} \to Ξ^{0} K^{+}$ and $Ξ (1530)^{0} K^{+}$

Observation of $ψ (3686) \to n n ˉ$ and improved measurement of $ψ (3686) \to p p ˉ$