C. Hanhart

activity

20242026

collaborators

16 papers

hep-ph2026

Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV

Xiang-Kun Dong, Vadim Baru, Leon von Detten +5

The spectrum of vector charmonium(-like) states in the 4.1\dash4.6~GeV energy region exhibits a long-standing tension between inclusive and exclusive measurements. While the inclus…

hep-ph2026

Threshold cusp effects to measure masses of radiatively decaying hadrons: The $B_{s 0}^{*}$ mass from the $I^¥ I ¨ $ spectrum

Hai-Long Fu, Xu Zhang, Feng-Kun Guo +3

Hadrons that decay predominantly into final states containing photons are notoriously difficult to detect at hadron colliders. Prominent examples are the yet-unobserved $B_{s 0}^{*}$ …

hep-ph2026

Dispersive analysis of the $J/Ï\toÏ^0 Î³^\ast$ transition form factor with $I ¨ $ - $I ¨ $ mixing effects

Xiong-Hui Cao, Feng-Kun Guo, Christoph Hanhart +1

Motivated by the discrepancies noted recently between the theoretical predictions of the electromagnetic $J/Ï\to Ï^0 Î³^*$ transition form factor and the BESIII data, we reanalyz…

hep-ph2026

What can we learn from the radiative decays of the $D_{s 1} (2460)$ meson?

Hai-Long Fu, Feng-Kun Guo, Christoph Hanhart +1

We study the radiative decays $D_{s 1} (2460) \to I^^{3} D_{s 0}^{*} (2317)$ and $D_{s 1} (2460) \to I^^{3} D^{0} K^{+} / I^^{3} D^{+} K^{0}$ and argue that their simultaneous experimental measurement, or at least a…

hep-lat2026

The structure of the lightest positive-parity charmed mesons from LQCD

Eric B. Gregory, Feng-Kun Guo, Christoph Hanhart +2

The nature of low-lying scalar and axial-vector charmed mesons has long been debated, specifically whether they are best explained as hadronic molecules or compact tetraquark syste…

hep-ph2026

Decoding the structure near the $I ¨ ^{+} I ¨ ^{-}$ mass threshold in $I ¨ (3686) \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ decays

Yun-Hua Chen, Xiang-Kun Dong, Feng-Kun Guo +2

In light of recent high-precision data taken by the BESIII Collaboration, we reconsider the dipion transition $I ¨ (3686) \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ . The strong pion-pion final-state…

Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV

Threshold cusp effects to measure masses of radiatively decaying hadrons: The Bs0∗​ mass from the I^¥I¨ spectrum

Dispersive analysis of the $J/Ï\toÏ^0 Î³^\ast$ transition form factor with I¨-I¨ mixing effects

What can we learn from the radiative decays of the Ds1​(2460) meson?

The structure of the lightest positive-parity charmed mesons from LQCD

Decoding the structure near the I¨+I¨− mass threshold in I¨(3686)→J/I¨I¨+I¨− decays

Threshold cusp effects to measure masses of radiatively decaying hadrons: The $B_{s 0}^{*}$ mass from the $I^¥ I ¨ $ spectrum

Dispersive analysis of the $J/Ï\toÏ^0 Î³^\ast$ transition form factor with $I ¨ $ - $I ¨ $ mixing effects

What can we learn from the radiative decays of the $D_{s 1} (2460)$ meson?

Decoding the structure near the $I ¨ ^{+} I ¨ ^{-}$ mass threshold in $I ¨ (3686) \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ decays