Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Lin, Yong-Hui"'
We investigate the feasibility of measuring the proton charge radius through dimuon photoproduction off a proton target. Our findings indicate that the Bethe-Heitler mechanism, which dominates at small momentum transfers, allows for an extraction of
Externí odkaz:
http://arxiv.org/abs/2407.20375
Publikováno v:
Sci. Bull. 69 (2024) 419-421
We comment on the puzzling status of the proton magnetic radius determinations.
Comment: 3 pages, 1 figure, accepted for publication in Science Bulletin, News and Views section, irrelevant formula removed
Comment: 3 pages, 1 figure, accepted for publication in Science Bulletin, News and Views section, irrelevant formula removed
Externí odkaz:
http://arxiv.org/abs/2312.08694
We propose a novel method for measuring the charge radii of charged stable hadrons, with which the first measurement of the charge radii of the $\Sigma^+$ and the $\Xi^-$ is foreseen. The method explores the facts that the Dalitz decay $\psi(2S) \to
Externí odkaz:
http://arxiv.org/abs/2309.07850
The internal structure of the charm-strange mesons $D_{s0}^*(2317)$ and $D_{s1}(2460)$ are subject of intensive studies. Their widths are small because they decay dominantly through isospin-breaking hadronic channels $D_{s0}^*(2317)^+\to D_s^+\pi^0$
Externí odkaz:
http://arxiv.org/abs/2303.18225
The electromagnetic form factors of the $\Lambda$ hyperon in the time-like region are determined precisely through a dispersion-theoretical analysis of the world data for the cross section of the annihilation process $e^+e^-\to \bar{\Lambda}{\Lambda}
Externí odkaz:
http://arxiv.org/abs/2208.14802
Starting from an effective Lagrangian with heavy quark spin symmetry embedded, the coupled-channel dynamics of the doubly charmed systems $D^{(*)} \Sigma_c^{(*)}$ is investigated. The potential underlying our investigation includes $t$-channel pseudo
Externí odkaz:
http://arxiv.org/abs/2208.10865
We present a high-precision calculation of the recoil--finite-size correction to the hyperfine splitting (HFS) in muonic and electronic hydrogen based on nucleon electromagnetic form factors obtained from dispersion theory. This will help guide the u
Externí odkaz:
http://arxiv.org/abs/2208.04025
Using dispersion theory, the electromagnetic Sigma-to-Lambda transition form factors are expressed as the product of the pion electromagnetic form factor and the $\Sigma\bar{\Lambda}\to\pi\pi$ scattering amplitudes with the latter estimated from SU(3
Externí odkaz:
http://arxiv.org/abs/2205.00850
Autor:
Lin, Yong-Hui
We present a dispersion theoretical analysis of the experimental data on the electromagnetic form factors of the nucleon covering both the space- and time-like regions. The nucleon form factors over the full range of momentum transfers and the nucleo
Externí odkaz:
http://arxiv.org/abs/2202.08626
Autor:
Lin, Yong-Hui
We present a dispersion theoretical analysis of recent date from electron-proton scattering. This allows for a high-precision extraction of the electric and magnetic radius of the proton, $r_E = (0.839\pm 0.002{}^{+0.002}_{-0.003})$~fm and $r_M = (0.
Externí odkaz:
http://arxiv.org/abs/2202.08622