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We use a four-dimensional lattice calculation of the full-QCD (quantum chromodynamics, the non-abliean gauge theory of the strong interactions of quarks and gluons) path integrals needed to determine the masses of the charmed and bottom…

High Energy Physics - Lattice · Physics 2011-01-28 Huey-Wen Lin , Saul D. Cohen , Liuming Liu , Nilmani Mathur , Kostas Orginos , Andre Walker-Loud

We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channels model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

High Energy Physics - Phenomenology · Physics 2015-06-12 Olena Romanets , Laura Tolos , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Rob Timmermans

The mass spectrum of the lowest lying octet baryons is calculated to next-to-next-to-leading order in heavy baryon chiral perturbation theory and partially quenched heavy baryon chiral perturbation theory. We work in the isospin limit and…

High Energy Physics - Lattice · Physics 2009-11-10 Andre Walker-Loud

Lattice data for the QCD equation of state and the baryon susceptibility near the crossover phase transition (at zero baryon density) are used to determine the input parameters of a 5-dimensional Einstein-Maxwell-Dilaton holographic model…

High Energy Physics - Theory · Physics 2016-04-19 Romulo Rougemont , Andrej Ficnar , Stefano Finazzo , Jorge Noronha

We investigate the properties of octet and decuplet baryons in a light-front holographic model. By taking into account the effect of nonvanishing quark mass, we obtain the modified light-front wave functions which are applicable at both low…

High Energy Physics - Phenomenology · Physics 2015-11-18 Tianbo Liu , Bo-Qiang Ma

In the approach to hadronic flavour symmetries based on the q-algebras U_q(su_N) and proved to be realistic, the known construction of U_q(su_N) in terms of anyonic oscillators residing on 2d lattice is utilized. Anyonic Fock-like…

High Energy Physics - Phenomenology · Physics 2010-05-27 A. M. Gavrilik , N. Z. Iorgov

In these proceedings we present preliminary results for the masses of the proton, neutron and $\Omega^-$ baryons obtained from QCD+QED lattice simulations performed with four dynamical quarks using C$^*$ boundary conditions. These results…

We study odd-parity baryonic resonances with one heavy and three light flavors, dynamically generated by meson-baryon interactions. Special attention is paid to Heavy Quark Spin Symmetry (HQSS), hence pseudoscalar and vector mesons and…

High Energy Physics - Phenomenology · Physics 2015-06-17 C. Garcia-Recio , L. L. Salcedo , D. Gamermann , J. Nieves , O. Romanets , L. Tolos

We investigate baryon-baryon interactions with strangeness $S=-2$ and isospin I=0 system from Lattice QCD. In order to solve this system, we prepare three types of baryon-baryon operators ($\Lambda\Lambda$, $N\Xi$ and $\Sigma\Sigma$) for…

Nuclear Theory · Physics 2011-04-28 Sasaki for HAL QCD collaboration

We study $\Lambda$ baryons of spin-parity $\frac{1}{2}^{\pm}$ with either a strange or charm valence quark in full 2+1 flavor lattice QCD. Multiple $SU(3)$ singlet and octet operators are employed to generate the desired single baryon…

High Energy Physics - Lattice · Physics 2017-01-09 Philipp Gubler , Toru T. Takahashi , Makoto Oka

We present an analysis of the three-flavor holographic model of QCD associated to a $D4/D8$ brane configuration, with symmetry breaking induced by a worldsheet instanton associated to a closed loop connecting $D4-D8-D6-\overline{D8}$. We…

High Energy Physics - Phenomenology · Physics 2019-04-03 Ori C. Druks , Pang H. C. Lau , Ismail Zahed

In our recent work [1] on lattice QCD calculation of the baryon leading-twist LCDAs within the framework of LaMET, a novel hybrid renormalization scheme is implemented for octet baryon quasi-DAs, yielding reliable results across both…

High Energy Physics - Lattice · Physics 2026-05-15 Mu-Hua Zhang

We present the results of a calculation of the positive-parity ground-state charmed-baryon spectrum using 2+1+1 flavors of dynamical quarks. The calculation uses a relativistic heavy-quark action for the valence charm quark, clover-Wilson…

High Energy Physics - Lattice · Physics 2013-05-30 Raul A. Briceno , Huey-Wen Lin , Daniel R. Bolton

Using an SU(3) flavour symmetry breaking expansion in the quark mass, we determine the QCD component of the nucleon, Sigma and Xi mass splittings of the baryon octet due to up-down (and strange) quark mass differences in terms of the kaon…

High Energy Physics - Lattice · Physics 2013-05-30 R. Horsley , J. Najjar , Y. Nakamura , D. Pleiter , P. E. L. Rakow , G. Schierholz , J. M. Zanotti

Recent results studying the masses and widths of low-lying baryon resonances in lattice QCD are presented. The $S$-wave $N\pi$ scattering lengths for both total isospins $I = 1/2$ and $I = 3/2$ are inferred from the finite-volume spectrum…

We investigate a baryon and its dilatation modes in holographic QCD based on the Sakai-Sugimoto model, which is expressed as a 1+4 dimensional U($N_f$) gauge theory in the flavor space. For spatially rotational symmetric systems, we apply a…

High Energy Physics - Theory · Physics 2024-01-29 Keiichiro Hori , Hideo Suganuma , Hiroki Kanda

We determine the light baryon spectrum on ensembles generated by the Coordinated Lattice Simulations (CLS) effort, employing $N_f=2+1$ flavours of non-perturbatively improved Wilson fermions. The hadron masses are interpolated and…

We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-Bethe-Salpeter wave functions measured on…

High Energy Physics - Lattice · Physics 2010-11-09 Takashi Inoue , for HAL QCD Collaboration

We investigate the baryon mass spectrum in quenched lattice QCD with exact chiral symmetry. For 100 gauge configurations generated with Wilson gauge action at $ \beta = 6.1 $ on the $ 20^3 \times 40 $ lattice, we compute (point-to-point)…

High Energy Physics - Lattice · Physics 2011-02-16 Ting-Wai Chiu , Tung-Han Hsieh

We determine the axial, scalar and tensor isovector charges of the nucleon, sigma and cascade baryons as well as the difference between the up and down quark masses, $m_u-m_d$. We employ gauge ensembles with $N_f=2+1$ non-perturbatively…

High Energy Physics - Lattice · Physics 2023-09-01 Gunnar S. Bali , Sara Collins , Simon Heybrock , Marius Löffler , Rudolf Rödl , Wolfgang Söldner , Simon Weishäupl
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