# 19th International Conference on Hadron Spectroscopy and Structure in memoriam Simon Eidelman

26-31 July 2021
Mexico City
Mexico/General timezone
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# Hadron decays, production and interactions-1

## Place

Location: Mexico City
Date: 26 Jul 11:15 - 13:15

## Conveners

• Dr. Danilkin, Igor (Johannes Gutenberg University of Mainz)

## Timetable | Contribution List

Displaying 5 contributions out of 5
Type: Parallel Session: Hadron decays, production and interactions-1
Track: Hadron Decays, Production and Interactions
An enhanced phenomenological model including isospin-symmetry breaking is presented. The model is then used in a number of statistical fits to the most recent experimental data for the radiative transitions $V\rightarrow P\gamma$ ($V=\rho$, $K^*$, $\omega$, $\phi$ and $P=\pi$, $K$, $\eta$, $\eta^{\prime}$) and estimations for the mixing angles are obtained. The current experimental uncertainties ... More
Presented by Rafel ESCRIBANO on 26/7/2021 at 12:00
Type: Leading parallel Session: Hadron decays, production and interactions-1
Track: Hadron Decays, Production and Interactions
KLOE and KLOE-2 data (almost 8 fb$^{-1}$) constitute the largest sample ever collected at an electron-positron collider operating at the $\phi$ peak resonance. Results on BR($\eta \to \pi^0 \gamma \gamma$), leptophobic B boson search via $\phi \to \eta B\to \eta \pi^0\gamma$ channel, $\pi^0$ production from $\gamma \gamma$ fusion, $\phi\rightarrow \eta\pi^+ \pi^-$ and \$\phi\rightarrow \eta ... More
Presented by Stefano MISCETTI on 26/7/2021 at 16:15
Type: Parallel Session: Hadron decays, production and interactions-1
Track: Hadron Decays, Production and Interactions
The world’s largest sample of J/ψ 1.3 billion events accumulated at the BESIII dector offers a unique opportunity to study light meson decays. In recent years the BESIII experiment has made significant progresses in eta/eta' decays, including observation of eta'->pi+pi- mu+mu-, search for the rare decays of eta’ to 4pi0 and eta’ to gamma gamma eta as well as the search for CP violation in e ... More
Presented by Rongsheng SHI on 26/7/2021 at 11:40
Type: Parallel Session: Hadron decays, production and interactions-1
Track: Hadron Decays, Production and Interactions
The GlueX experiment at Jefferson Lab studies the light-meson spectrum with a linearly-polarized 9GeV photon beam and a detector with near-complete coverage for neutral and charged particles. Measurements of spin-density matrix elements with unprecedented precision provide valuable input for the theoretical description of the production mechanism. We extracted SDMEs for the photoproduction of the ... More
Presented by Dr. Alexander AUSTREGESILO on 26/7/2021 at 12:40
Type: Parallel Session: Hadron decays, production and interactions-1
Track: Hadron Decays, Production and Interactions
The PrimEx-eta experiment at Jefferson Lab is aiming to measure the radiative decay width of the eta with a 3.2% precision. This projected accuracy will ameliorate the calculation of all eta partial decay widths. It will provide a critical input to determine the eta-eta' mixing angle and the light quark mass ratio model independently. The first run was performed with the GlueX experimental setup i ... More
Presented by Igal JAEGLE on 26/7/2021 at 12:20
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