Z. Lei

collaborators

12 papers

hep-ex2026

Observation of $I ¨ _{c J} (J = 0, 1, 2) \to p p ˉ I^\cdot I^\cdot$

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

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $I ¨ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $I ¨ _{c J} (J = 0, 1, 2) \to p p ˉ I^\cdot I^\cdot$ are…

hep-ex2025

Study of $K ˉ^{*} (892)^{0} I^\cdot$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +666

We perform an amplitude analysis of the decay $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ and measure its absolute branching fraction to be $(1.016 \pm 0.013_{\text {stat.}} \pm 0.014_{\text {syst.}})…

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

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…

Observation of I¨cJ​(J=0,1,2)→ppˉ​I^⋅I^⋅

Study of Kˉ∗(892)0I^⋅ and KS0​a0​(980)0 in the D0→KS0​I¨0I^⋅ decay

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

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◯+

Observation of $I ¨ _{c J} (J = 0, 1, 2) \to p p ˉ I^\cdot I^\cdot$

Study of $K ˉ^{*} (892)^{0} I^\cdot$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ decay

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

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 $I ¨ (3770) \to I^c ◯^{-} I^ˉ c ◯^{+}$