26-31 July 2021
Mexico City
Mexico/General timezone
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Meson spectroscopy-6

Place

Location: Mexico City
Date: 29 Jul 11:15 - 13:15

Conveners

    • Prof. Ryan, Sinead (Trinity College Dublin)

Timetable | Contribution List

Displaying 5 contributions out of 5
Type: Parallel Session: Meson spectroscopy-6
Track: Meson Spectroscopy
Bottomonium is the bound state of a bottom and anti-bottom quark. Studies of this system provide insights into our understanding of QCD. The Belle II experiment at the SuperKEKB $e^+ e^-$ collider is an upgrade of the B factory facility at KEK in Tsukuba, Japan. We present some recent results and describe the unique discovery potential for bottomonium physics and related exotic QCD states that thi ... More
Presented by Bryan FULSOM on 29/7/2021 at 12:00
Type: Parallel Session: Meson spectroscopy-6
Track: Meson Spectroscopy
We report the first measurement of exclusive cross sections for $e^+e^-\to B\bar{B}$, $B\bar{B}^\star$ and $B^\star\bar{B}^\star$ in an energy range 10.63-11.02 GeV. B mesons are reconstructed in a number of hadronic final states, and the three channels are separated with the beam-energy constrained mass. Results on $\Upsilon(5S)\to \Upsilon(1S,2S)\eta$ and $\Upsilon(1S)\eta^\prime$ branching frac ... More
Presented by Todd PEDLAR on 29/7/2021 at 11:40
Type: Leading parallel Session: Meson spectroscopy-6
Track: Meson Spectroscopy
The precision of lattice QCD calculations has been steadily improving for some time and is now approaching, or has surpassed, the 1% level for multiple quantities. At this level QED effects, i.e. the fact that quarks carry electric as well as color charge, come into play. In this talk we will present results from the first lattice QCD+QED computations of the properties of ground-state charmonium a ... More
Presented by Dr. Jonna KOPONEN on 29/7/2021 at 16:15
Type: Parallel Session: Meson spectroscopy-6
Track: Meson Spectroscopy
We have studied one-photon radiative transitions of the charmonium $S$- and $P$-wave states within an analytic confinement model. Along two fixed basic model parameters (the c-quark mass and the global cutoff $\lambda$) we introduced only one adjustable parameter common for charmonium states $\eta_c$, $J/\psi$, $\chi_{c0}$, $\chi_{c1}$, $h_c$ and $\chi_{c2}$ to describe the quark distribution in ... More
Presented by Dr. Gurjav GANBOLD on 29/7/2021 at 12:40
Type: Parallel Session: Meson spectroscopy-6
Track: Meson Spectroscopy
Using a variational approach we calculate the mass spectra of the bottom mesons in the framework of the phenomenological quark anti-quark potential. Decay constant and Leptonic decay widths of the bottom mesons are also calculated. The obtained results are compared with the available experimental data and other theoretical predictions.
Presented by Dr. Zahra GHALENOVI on 29/7/2021 at 12:20
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