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We evaluate the spin-$3/2 \to$ spin-$1/2$ electromagnetic transitions of the doubly charmed baryons on 2+1 flavor, $32^3 \times 64$ PACS-CS lattices with a pion mass of $156(9)$ MeV/c$^2$. A relativistic heavy quark action is employed to…

High Energy Physics - Lattice · Physics 2018-12-19 H. Bahtiyar , K. U. Can , G. Erkol , M. Oka , T. T. Takahashi

We compute the electromagnetic properties of spin-$\frac12$ doubly charmed baryons on 2+1 flavor lattices that have a pion mass of $\sim$ 156 MeV. The Tsukuba action is employed for the charm quark in addition to the standard isotropic…

High Energy Physics - Lattice · Physics 2023-12-27 H. Bahtiyar

As a continuation of our recent work on the electromagnetic properties of the doubly charmed $\Xi_{cc}$ baryon, we compute the charge radii and the magnetic moments of the singly charmed $\Sigma_c$, $\Omega_c$ and the doubly charmed…

High Energy Physics - Lattice · Physics 2014-06-13 K. U. Can , G. Erkol , B. Isildak , M. Oka , T. T. Takahashi

We study the electromagnetic form factors of the doubly charmed baryons, using covariant chiral perturbation theory within the extended on-mass-shell (EOMS) scheme. Vector-meson contributions are also taken into account. We present results…

High Energy Physics - Phenomenology · Physics 2018-10-03 Astrid N. Hiller Blin , Zhi-Feng Sun , M. J. Vicente Vacas

The electromagnetic and gravitational form factors of $\Omega^-$, a spin-3/2 hyperon composed of three $s$ quarks, are calculated by using a covariant quark-diquark approach. The model parameters are determined by fitting to the form…

High Energy Physics - Phenomenology · Physics 2023-06-21 Dongyan Fu , JiaQi Wang , Yubing Dong

We compute the electromagnetic properties of \Xi_cc baryons in 2+1 flavor Lattice QCD. By measuring the electric charge and magnetic form factors of \Xi_cc baryons, we extract the magnetic moments, charge and magnetic radii as well as the…

High Energy Physics - Lattice · Physics 2013-10-23 K. U. Can , G. Erkol , B. Isildak , M. Oka , T. T. Takahashi

The electromagnetic properties of the baryon decuplet are calculated in quenched QCD on a 20^3 x 40 lattice with a lattice spacing of 0.128 fm using the fat-link irrelevant clover (FLIC) fermion action with quark masses providing a pion…

High Energy Physics - Lattice · Physics 2010-04-23 S. Boinepalli , D. B. Leinweber , P. J. Moran , A. G. Williams , J. M. Zanotti , J. B. Zhang

Electromagnetic form factors are fundamental observables that describe the electric and magnetic structure of hadrons and provide keys to understand the strong interaction. At the Beijing Spectrometer (BESIII), form factors have been…

High Energy Physics - Experiment · Physics 2021-12-09 Guangshun Huang , Rinaldo Baldini Ferroli

We study the electromagnetic $\Omega_c \gamma \rightarrow\Omega_c^\ast$ transition in 2+1 flavor lattice QCD, which gives access to the dominant decay mode of $\Omega_c^\ast$ baryon. The magnetic dipole and the electric quadrupole…

High Energy Physics - Lattice · Physics 2015-06-11 H. Bahtiyar , K. U. Can , G. Erkol , M. Oka

We give the explicit wave functions of the $qqqq\bar{q}$ components of the C=+1, J=1/2 charmed baryons, $\Sigma_{c}$, $\Lambda_{c}$ and $\Xi_{c}^{a}$, and calculate the magnetic moments by adding the 5q components contributions, and we also…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chun-Sheng An

We present results on the Omega baryon electromagnetic form factors using N_f= 2 + 1 dynamical domain-wall fermion configurations corresponding to a pion mass of about 330 MeV. We construct appropriate sequential sources for the…

High Energy Physics - Lattice · Physics 2010-11-05 C. Alexandrou , T. Korzec , G. Koutsou , Y. Proestos

We present results on the Omega baryon electromagnetic form factors using $N_f=2+1$ domain-wall fermion configurations for three pion masses in the range of about 350 to 300 MeV. We compare results obtained using domain wall fermions with…

High Energy Physics - Lattice · Physics 2014-11-21 C. Alexandrou , T. Korzec , G. Koutsou , J. W. Negele , Y. Proestos

We determine the ground state and first excited state masses of singly and doubly charmed spin 1/2 and 3/2 baryons with positive and negative parity. Configurations with $N_f=2+1$ non-perturbatively improved Wilson-clover fermions were…

High Energy Physics - Lattice · Physics 2015-08-14 Gunnar Bali , Sara Collins , Paula Pérez-Rubio

Masses of singly and doubly charmed baryons are calculated in quenched lattice QCD using an improved action of the D234 type on an anisotropic lattice. The mass differences between spin 3/2 and spin 1/2 baryon states are calculated and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Randy Lewis , Nilmani Mathur , R. M. Woloshyn

In this presentation, we summarize selectively recent results of the electromagnetic form factors of singly heavy baryons with spin 1/2 and related quantities, which were derived within a framework of the self-consistent chiral…

High Energy Physics - Phenomenology · Physics 2018-11-07 June-Young Kim , Hyun-Chul Kim

We calculate the low-lying spectrum of charmed baryons in lattice QCD on the $32^3\times64$, $N_f=2+1$ PACS-CS gauge configurations at the almost physical pion mass of $\sim 156$ MeV/c$^2$. By employing a set of interpolating operators with…

High Energy Physics - Lattice · Physics 2020-09-25 Huseyin Bahtiyar , Kadir Utku Can , Guray Erkol , Philipp Gubler , Makoto Oka , Toru T. Takahashi

Inspired by the discovery of the spin-$\frac{1}{2}$ doubly charmed baryon $\Xi_{cc}^{++}$ and the subsequent theoretical studies of its magnetic moments, we study the magnetic moments of its spin-$\frac{3}{2}$ heavy quark spin symmetry…

High Energy Physics - Phenomenology · Physics 2021-06-09 Rui-Xiang Shi , Li-Sheng Geng

We calculate the magnetic moments of spin-$3\over 2$ singly charmed baryons in the heavy baryon chiral perturbation theory (HBChPT). The analytical expressions are given up to $\mathcal{O}(p^3)$. The heavy quark symmetry is used to reduce…

High Energy Physics - Phenomenology · Physics 2018-11-21 Lu Meng , Guang-Juan Wang , Chang-Zhi Leng , Zhan-Wei Liu , Shi-Lin Zhu

We apply a formalism inspired by heavy baryon chiral perturbation theory with finite-range regularization to dynamical $2+1-$flavor CSSM/QCDSF/UKQCD Collaboration lattice QCD simulation results for the electric form factors of the octet…

High Energy Physics - Lattice · Physics 2017-01-10 P. E. Shanahan , A. W. Thomas , R. D. Young , J. M. Zanotti , R. Horsley , Y. Nakamura , D. Pleiter , P. E. L. Rakow , G. Schierholz , H. Stüben

We present a comprehensive investigation of the mechanical properties of the $\Omega^-$ baryon by analyzing its gravitational form factors (GFFs) within the framework of QCD sum rules. These form factors encode rich information about the…

High Energy Physics - Phenomenology · Physics 2025-08-26 Zeinab Dehghan , K. Azizi
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