A. Lavania

activity

20182024

most citedObservation of an isoscalar resonance with exotic

J^{P C} = 1^{-+}

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 2k across the 168 of their papers we have counts for

collaborators

Showing 2020Show all

12 papers · 1 filter

hep-ex2020★ 40 cited

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII

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

During the 2016-17 and 2018-19 running periods, the BESIII experiment collected 7.5~fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV. T…

hep-ex2020★ 8 cited

Study of $e^{+} e^{-} \to 2 (p p ˉ)$ at center-of-mass energies between 4.0 and 4.6 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

Using data taken at 23 center-of-mass energies between 4.0 and 4.6 GeV with the BESIII detector at the BEPCII collider and with a total integrated luminosity of approximately $15$ …

hep-ex2020★ 26 cited

Measurement of the Born cross sections for $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at center-of-mass energies between $2.00$ and $3.08$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

The Born cross sections for the process $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at different center-of-mass energies between $2.00$ and $3.08$ GeV are reported with improved precision fro…

hep-ex2020★ 8 cited

Search for the lepton number violating decay $Σ^{-} \to p e^{-} e^{-}$ and the rare inclusive decay $Σ^{-} \to Σ^{+} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +499

Using a data sample of $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ events taken with the BESIII detector at the center-of-mass energy of 3.097 GeV, we search for the first time for the…

hep-ex2020★ 2 cited

Search for the reaction $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ and a charmonium-like structure decaying to $χ_{c J} π^{\pm}$ between 4.18 and 4.60 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +481

We search for the process $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ ( $J = 0, 1, 2$ ) and for a charged charmonium-like state in the $π^{\pm} χ_{c J}$ subsystem. The search uses data sets…

hep-ex2020★ 5 cited

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +487

The rare decay $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ is studied using a sample of $1.3 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at BEPCII in 2009 and 2012. The branching fra…

hep-ex2020★ 11 cited

Determination of the $Λ_{c}^{+}$ spin via the reaction $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

We report on a comparison of two possible $Λ_{c}^{+}$ spin hypotheses, $J = \frac{1}{2}$ and $\frac{3}{2}$ , via the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ , using the angular distributions of…

hep-ex2020★ 46 cited

Observation of a resonant structure in $e^{+} e^{-} \to ω η$ and another in $e^{+} e^{-} \to ω π^{0}$ at center-of-mass energies between 2.00 and 3.08 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +485

Born cross sections for the processes $e^{+} e^{-} \to ω η$ and $e^{+} e^{-} \to ω π^{0}$ have been determined for center-of-mass energies between 2.00 and 3.08 GeV with the BESIII detector at…

hep-ex2020★ 7 cited

Measurements of $e^{+} e^{-} \to η_{c} π^{+} π^{-} π^{0}$ , $η_{c} π^{+} π^{-}$ and $η_{c} π^{0} γ$ at $s$ from 4.18 to 4.60\,GeV, and search for a $Z_{c}$ state close to the $D D ˉ$ threshold decaying to $η_{c} π$ at $s$ = 4.23 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +492

We study $η_{c}$ production at center-of-mass energies $s$ from 4.18 to 4.60 GeV in $e^{+} e^{-}$ annihilation data collected with the BESIII detector operating at the BEPCII…

hep-ex2020★ 42 cited

Measurement of cross-section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ near threshold at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +494

The Born cross-sections and effective form factors for process $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ are measured at eight center-of-mass energies between 2.644 and 3.080 GeV, using a total integr…

hep-ex2020★ 7 cited

Observation of the decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +494

The decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$ are studied via the radiative transition $ψ (3686) \to γ χ_{c J}$ based on a data sample of $(448.1 \pm 2.9)\times10^{6}…

hep-ex2020★ 30 cited

Erratum to "Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ cross section between 600 and 900 MeV using initial state radiation"

BESIII Collaboration, M. Ablikim, M. N. Achasov +489

In Phys. Lett. B 753, 629-638 (2016) [arXiv:1507.08188] the BESIII collaboration published a cross section measurement of the process $e^{+} e^{-} \to π^{+} π^{-}$ in the energy range betwee…

Measurements of the center-of-mass energies of e+e− collisions at BESIII

Study of e+e−→2(ppˉ​) at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of the Born cross sections for e+e−→η′π+π− at center-of-mass energies between 2.00 and 3.08 GeV

Search for the lepton number violating decay Σ−→pe−e− and the rare inclusive decay Σ−→Σ+X

Search for the reaction e+e−→π+π−χcJ​ and a charmonium-like structure decaying to χcJ​π± between 4.18 and 4.60 GeV

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in η′→π+π−e+e− at BESIII

Determination of the Λc+​ spin via the reaction e+e−→Λc+​Λˉc−​

Observation of a resonant structure in e+e−→ωη and another in e+e−→ωπ0 at center-of-mass energies between 2.00 and 3.08 GeV

Measurements of e+e−→ηc​π+π−π0, ηc​π+π− and ηc​π0γ at s​ from 4.18 to 4.60\,GeV, and search for a Zc​ state close to the DDˉ threshold decaying to ηc​π at s​ = 4.23 GeV

Measurement of cross-section for e+e−→Ξ−Ξˉ+ near threshold at BESIII

Observation of the decays χcJ​→Σ0pˉ​K++c.c. (J=0,1,2)

Erratum to "Measurement of the e+e−→π+π− cross section between 600 and 900 MeV using initial state radiation"

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII

Study of $e^{+} e^{-} \to 2 (p p ˉ)$ at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of the Born cross sections for $e^{+} e^{-} \to η^{'} π^{+} π^{-}$ at center-of-mass energies between $2.00$ and $3.08$ GeV

Search for the lepton number violating decay $Σ^{-} \to p e^{-} e^{-}$ and the rare inclusive decay $Σ^{-} \to Σ^{+} X$

Search for the reaction $e^{+} e^{-} \to π^{+} π^{-} χ_{c J}$ and a charmonium-like structure decaying to $χ_{c J} π^{\pm}$ between 4.18 and 4.60 GeV

Measurement of the Branching Fraction of and Search for a CP-Violating Asymmetry in $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ at BESIII

Determination of the $Λ_{c}^{+}$ spin via the reaction $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$

Observation of a resonant structure in $e^{+} e^{-} \to ω η$ and another in $e^{+} e^{-} \to ω π^{0}$ at center-of-mass energies between 2.00 and 3.08 GeV

Measurements of $e^{+} e^{-} \to η_{c} π^{+} π^{-} π^{0}$ , $η_{c} π^{+} π^{-}$ and $η_{c} π^{0} γ$ at $s$ from 4.18 to 4.60\,GeV, and search for a $Z_{c}$ state close to the $D D ˉ$ threshold decaying to $η_{c} π$ at $s$ = 4.23 GeV

Measurement of cross-section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ near threshold at BESIII

Observation of the decays $χ_{c J} \to Σ^{0} p ˉ K^{+} + c.c. (J = 0, 1, 2)$

Erratum to "Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ cross section between 600 and 900 MeV using initial state radiation"