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Publications (23)

hep-ex2024

Measurement of the Electromagnetic Transition Form-factors in the decays $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

With a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events accumulated with the BESIII detector, we analyze the decays $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-} (l = e,$ $I^¼)$ via the process $J/Ï…

hep-ex2024

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} I ¨ ^{+} I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

We perform for the first time an amplitude analysis of the decay $D^{+} \to K_{S}^{0} I ¨ ^{+} I^\cdot$ and report the observation of the decay $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ using 2.93 fb…

hep-ex2025

Observation of resonant contribution to the $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ around 4.2 GeV and evidence of $I ¨ (3770) \to I^c ◯^{-} I^ˉ c ◯^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detecto…

hep-ex2024

Observation of an axial-vector state in the study of $I ¨ (3686) \to I ¨ I^\cdot I^\cdot^{'}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using (2712.4 $\pm$ 14.3) $\times 1 0^{6}$ $I ¨ (3686)$ events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay $I ¨ (3686) \to I ¨ I^\cdot I^\cdot^{'}$ is performed w…

hep-ex2024

Observation of the Singly Cabibbo-Suppressed Decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$

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

The singly Cabibbo-suppressed decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$ is observed for the first time with a statistical significance of $6.4 I ¨ $ by using 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ c…

hep-ex2025

Partial Wave Analysis of $J / I ¨ \to I^^{3} I^^{3} I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected by the BESIII detector at the BEPCII collider, a partial-wave analysis of the decay $I^^{3} I^^{3} I ¨ $ is performed to in…

hep-ex2024

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay $I^_{c}^{+} \to I^^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Based on $4.4 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energies between $4.60$ and $4.70 GeV$ with the BESIII detector at the BEPCII…

hep-ex2024

First observation of the decay $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +636

Based on 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ collision data accumulated at center-of-mass energies between $4599.53$ MeV and $4698.82$ MeV with the BESIII detector, the decay $Î_{c}^{+}…

hep-ex2024

Improved measurements of the Dalitz decays $I^\cdot / I^\cdot^{'} \to I^^{3} e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Based on a data sample of 10 billion $J / I ¨ $ events collected with the BESIII detector, improved measurements of the Dalitz decays $I^\cdot / I^\cdot^{'} \to I^^{3} e^{+} e^{-}$ are performed, where t…

hep-ex2023

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} I ¨ ^{-}$ and $D_{s}^{+} \to K^{+} K^{+} I ¨ ^{-} I ¨ ^{0}$

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

Based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, the experimental studies of the doubly…

hep-ex2024

Measurements of Born Cross Sections for $e^{+} e^{-} \to I^_{c}^{+} I^ˉ _{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to I^_{c}^{+} I^ˉ _{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, the Born cross sections of $e^{+} e^{-} \to I^_{c}^{+} I^ˉ _{c} (2595)^{-} + c.c.$ an…

hep-ex2022

Measurement of the $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ cross section in the vicinity of 3.872 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

We report a measurement of the cross section for the process $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ around the $X (3872)$ mass in search for the direct formation of $e^{+} e^{-} \to X (3872)$ through the…

hep-ex2025

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ from $s$ = 3.7 to 4.7 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detector at…

hep-ex2025

Test of local realism via entangled $I^ I^ˉ $ system

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The non-locality of quantum correlations is a fundamental feature of quantum theory. The Bell inequality serves as a benchmark for distinguishing between predictions made by quantu…

hep-ex2023

Measurements of $I^£$ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

BESIII Collaboration, M. Ablikim, M. N. Achasov +636

The process $e^{+} e^{-} \to I^£^{+} I^ˉ £^{-}$ is studied from threshold up to 3.04 GeV/ $c^{2}$ via the initial-state radiation technique using data with an integrated luminosity of 12.…

hep-ex2023

Updated measurements of the M1 transition $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$ with $I^\cdot_{c} (2 S) \to K K ˉ I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +620

Based on a data sample of $(27.08 \pm 0.14) \times 1 0^{8} I ¨ (3686)$ events collected with the BESIII detector at the BEPCII collider, the M1 transition $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$ w…

hep-ex2024

Search for di-photon decays of an axion-like particle in radiative $J / I ¨ $ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +614

We search for the di-photon decay of a light pseudoscalar axion-like particle, $a$ , in radiative $J / I ¨ $ decays, using 10 billion $J / I ¨ $ events collected with the BESIII detector. W…

hep-ex2024

Measurement of the absolute branching fraction of the three-body decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ and search for $I^_{c}^{+} \to n K^{+} I ¨ ^{0}$ , $I^£^{0} K^{+} I ¨ ^{0}$ and $I^ K^{+} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

The Cabbibo-favored decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ is studied for the first time using 6.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies between 4.600 and…

hep-ex2024

Search for the Rare Decays $D_{s}^{+} \to h^{+} (h^{0}) e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Using 7.33~fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies in the range of $s = 4.128 - 4.226$ ~GeV, we search for the rare…

hep-ex2024

First measurements of the absolute branching fraction of $I^_{c} (2625)^{+} \to I^_{c}^{+} I ¨ ^{+} I ¨ ^{-}$ and upper limit on $I^_{c} (2595)^{+} \to I^_{c}^{+} I ¨ ^{+} I ¨ ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +613

The absolute branching fraction of the decay $I^_{c} (2625)^{+} \to I^_{c}^{+} I ¨ ^{+} I ¨ ^{-}$ is measured for the first time to be $(50.7 \pm 5. 0_{stat.} \pm 4. 9_{syst.}) %$ wit…

hep-ex2024

Amplitude Analysis of the Decays $D^{0} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}$ and $I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 2.93 $f b^{- 1}$ taken at the center-of-mass energy $s = 3.773$ ~GeV with the BESIII detector, a…

hep-ex2024

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +603

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider, we search for th…

hep-ex2025

Measurement of Branching Fractions for $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+}$ and $I^_{c}^{+} \to n K_{S}^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Based on 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ collision data accumulated at center-of-mass energies between $4.600 GeV$ and $4.699 GeV$ with the BESIII detector, we me…

Publications (23)

Measurement of the Electromagnetic Transition Form-factors in the decays I^⋅′→I¨+I¨−l+l−

Observation of D+→KS0​a0​(980)+ in the amplitude analysis of D+→KS0​I¨+I^⋅

Observation of resonant contribution to the e+e−→I^c◯−I^ˉc◯+ around 4.2 GeV and evidence of I¨(3770)→I^c◯−I^ˉc◯+

Observation of an axial-vector state in the study of I¨(3686)→I¨I^⋅I^⋅′ decay

Observation of the Singly Cabibbo-Suppressed Decay I^c+​→I^£−K+I¨+

Partial Wave Analysis of J/I¨→I^3I^3I¨

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay I^c+​→I^0K+

First observation of the decay I^c+​→nKS0​I¨+I¨0

Improved measurements of the Dalitz decays I^⋅/I^⋅′→I^3e+e−

Study of the doubly Cabibbo-suppressed decays Ds+​→K+K+I¨− and Ds+​→K+K+I¨−I¨0

Measurements of Born Cross Sections for e+e−→I^c+​I^ˉc​(2595)−+c.c. and e+e−→I^c+​I^ˉc​(2625)−+c.c. at s​=4918.0 and 4950.9 MeV

Measurement of the e+e−→I¨+I¨−J/I¨ cross section in the vicinity of 3.872 GeV

Measurement of Born Cross Sections and Effective Form Factors of e+e−→I^c◯−I^ˉc◯+ froms​ = 3.7 to 4.7 GeV

Test of local realism via entangled I^I^ˉ system

Measurements of I^£ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

Updated measurements of the M1 transition I¨(3686)→I^3I^⋅c​(2S) with I^⋅c​(2S)→KKˉI¨

Search for di-photon decays of an axion-like particle in radiative J/I¨ decays

Measurement of the absolute branching fraction of the three-body decay I^c+​→I^0K+I¨0 and search for I^c+​→nK+I¨0, I^£0K+I¨0 and I^K+I¨0

Search for the Rare Decays Ds+​→h+(h0)e+e−

First measurements of the absolute branching fraction of I^c​(2625)+→I^c+​I¨+I¨− and upper limit on I^c​(2595)+→I^c+​I¨+I¨−

Amplitude Analysis of the Decays D0→I¨+I¨−I¨+I¨− and I¨+I¨−I¨0I¨0

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

Measurement of Branching Fractions for I^c+​→nKS0​I¨+ and I^c+​→nKS0​K+

Measurement of the Electromagnetic Transition Form-factors in the decays $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-}$

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} I ¨ ^{+} I^\cdot$

Observation of resonant contribution to the $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ around 4.2 GeV and evidence of $I ¨ (3770) \to I^c ◯^{-} I^ˉ c ◯^{+}$

Observation of an axial-vector state in the study of $I ¨ (3686) \to I ¨ I^\cdot I^\cdot^{'}$ decay

Observation of the Singly Cabibbo-Suppressed Decay $I^_{c}^{+} \to I^£^{-} K^{+} I ¨ ^{+}$

Partial Wave Analysis of $J / I ¨ \to I^^{3} I^^{3} I ¨ $

First Measurement of the Decay Asymmetry in the pure W-boson-exchange Decay $I^_{c}^{+} \to I^^{0} K^{+}$

First observation of the decay $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+} I ¨ ^{0}$

Improved measurements of the Dalitz decays $I^\cdot / I^\cdot^{'} \to I^^{3} e^{+} e^{-}$

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} I ¨ ^{-}$ and $D_{s}^{+} \to K^{+} K^{+} I ¨ ^{-} I ¨ ^{0}$

Measurements of Born Cross Sections for $e^{+} e^{-} \to I^_{c}^{+} I^ˉ _{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to I^_{c}^{+} I^ˉ _{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

Measurement of the $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ cross section in the vicinity of 3.872 GeV

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ from $s$ = 3.7 to 4.7 GeV

Test of local realism via entangled $I^ I^ˉ $ system

Measurements of $I^£$ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

Updated measurements of the M1 transition $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$ with $I^\cdot_{c} (2 S) \to K K ˉ I ¨ $

Search for di-photon decays of an axion-like particle in radiative $J / I ¨ $ decays

Measurement of the absolute branching fraction of the three-body decay $I^_{c}^{+} \to I^^{0} K^{+} I ¨ ^{0}$ and search for $I^_{c}^{+} \to n K^{+} I ¨ ^{0}$ , $I^£^{0} K^{+} I ¨ ^{0}$ and $I^ K^{+} I ¨ ^{0}$

Search for the Rare Decays $D_{s}^{+} \to h^{+} (h^{0}) e^{+} e^{-}$

First measurements of the absolute branching fraction of $I^_{c} (2625)^{+} \to I^_{c}^{+} I ¨ ^{+} I ¨ ^{-}$ and upper limit on $I^_{c} (2595)^{+} \to I^_{c}^{+} I ¨ ^{+} I ¨ ^{-}$

Amplitude Analysis of the Decays $D^{0} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}$ and $I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ ^{0}$

Measurement of Branching Fractions for $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+}$ and $I^_{c}^{+} \to n K_{S}^{0} K^{+}$