no code implementations • 5 Nov 2020 • Feng Feng, Yingsheng Huang, Yu Jia, Wen-Long Sang, Jia-Yue Zhang
We apply the newly developed NRQCD factorization formula to analyze the exclusive production of the fully-charmed tetraquark $T_{4c}$ plus a hard photon at $B$ factory.
High Energy Physics - Phenomenology
no code implementations • 21 Oct 2009 • Wen-Long Sang, Yu-Qi Chen
The production cross sections of $e^+e^- $ to a heavy quarkonium with $C$-parity even $S-$wave and $P-$wave associated with a photon are analyzed in the framework of non-relativistic Quantum Chromodynamics(NRQCD) factorization formalism.
High Energy Physics - Phenomenology
