K. Ren

collaborators

10 papers

hep-ex2025

Measurement of branching fractions of $I^_{c}^{+}$ decays to $I^£^{+} I^\cdot$ and $I^£^{+} I^\cdot^{'}$

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

By analyzing $e^{+} e^{-}$ collision data taken at center-of-mass energies $s$ between 4.600 and 4.699 GeV with the BESIII detector at the BEPCII collider, corresponding to an in…

hep-ex2025

Partial Wave Analysis of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ and Cross Section Measurement of $e^{+} e^{-} \to I ¨ ^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025

First observation of $I^_{c} (2595)^{+} \to I^_{c}^{+} I ¨ ^{0} I ¨ ^{0}$ and $I^_{c} (2625)^{+} \to I^_{c}^{+} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +658

By analysing $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 368.48~pb $^{- 1}$ collected at the centre-of-mass energies of $s = 4.918$ and $4.951$ ~GeV…

hep-ex2025

Study of $f_{1} (1420)$ and $I^\cdot (1405)$ in the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

A partial-wave analysis is performed on the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$ within the $I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$ invariant-mass region below 1.6 GeV $/ c^{2}$ , using $(10.09~\pm~0.04)…

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / I ¨ \to I ¨ I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / I ¨ $ decaying into a vector-pseudoscalar final state is performed using…

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…

Measurement of branching fractions of I^c+​ decays to I^£+I^⋅ and I^£+I^⋅′

Partial Wave Analysis of e+e−→I¨+I¨−J/I¨ and Cross Section Measurement of e+e−→I¨±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

First observation of I^c​(2595)+→I^c+​I¨0I¨0 and I^c​(2625)+→I^c+​I¨0I¨0

Study of f1​(1420) and I^⋅(1405) in the decay J/I¨→I^3I¨0I¨0I¨0

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/I¨→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◯+

Measurement of branching fractions of $I^_{c}^{+}$ decays to $I^£^{+} I^\cdot$ and $I^£^{+} I^\cdot^{'}$

Partial Wave Analysis of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ and Cross Section Measurement of $e^{+} e^{-} \to I ¨ ^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

First observation of $I^_{c} (2595)^{+} \to I^_{c}^{+} I ¨ ^{0} I ¨ ^{0}$ and $I^_{c} (2625)^{+} \to I^_{c}^{+} I ¨ ^{0} I ¨ ^{0}$

Study of $f_{1} (1420)$ and $I^\cdot (1405)$ in the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / I ¨ \to I ¨ I^\cdot$

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