English
Related papers

Related papers: P Wave Baryons in Field Correlator Method: Hyperon…

200 papers

The relativistic coupled-clusters method combined with the generalized relativistic effective core potential approach and nonvariational one-center restoration technique is applied to evaluation of parameters of spin-rotational effective…

Atomic Physics · Physics 2014-12-22 L. V. Skripnikov , A. D. Kudashov , A. N. Petrov , A. V. Titov

We present the ground and excited state spectra of singly, doubly and triply charmed baryons by using dynamical lattice QCD. A large set of baryonic operators that respect the symmetries of the lattice and are obtained after subduction from…

High Energy Physics - Lattice · Physics 2014-11-03 M. Padmanath , Robert G. Edwards , Nilmani Mathur , Michael Peardon

The mass and decay constant of the heavy quarkonia $h_{Q}(1P)$ and $h_{Q}(2P)$ (Q = b, c) with quantum numbers $J^{PC} =1^{+-}$ are calculated in the framework of the two-point QCD sum rule method by taking into account the vacuum…

High Energy Physics - Phenomenology · Physics 2019-01-30 K. Azizi , J. Y. Sungu

We construct an infrared-improved soft-wall AdS/QCD model for baryons by considering the infrared-modified 5D conformal mass and Yukawa coupling of the bulk baryon field. The model is also built by taking into account the parity-doublet…

High Energy Physics - Phenomenology · Physics 2016-02-17 Zhen Fang , Dan-Ning Li , Yue-Liang Wu

We extract the mass spectra of triply heavy baryon $\Omega_{ccb}$ using Hypercentral constituent quark model. The first order correction is also added to the potential term of Hamiltonian. The radial and orbital excited state masses are…

High Energy Physics - Phenomenology · Physics 2018-04-19 Zalak Shah , Ajay Kumar Rai

As a result of continuous developments, the recent experimental searches lead to the observations of new particles at different hadronic channels. Among these hadrons are the excited states of the heavy baryons containing single bottom or…

High Energy Physics - Phenomenology · Physics 2020-08-12 K. Azizi , Y. Sarac , H. Sundu

Progress in computing the spectrum of excited baryons and mesons in lattice QCD is described. Large sets of spatially-extended hadron operators are used. A new method of stochastically estimating the low-lying effects of quark propagation…

High Energy Physics - Lattice · Physics 2015-05-27 C. Morningstar , A. Bell , J. Bulava , J. Foley , K. J. Juge , D. Lenkner , C. H. Wong

We calculate the strong coupling constants g_(P^(**)P^(*)\pi), where P^(**)(D^(**), B^(**)) is the 1^+ p-wave state, in the framework of the light cone QCD sum rules, and using these values of g_(P^(**)P^(*) pi, we compute the hadronic…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. M. Aliev , N. K. Pak , M. Savci

We use two-flavor chiral perturbation theory to describe hyperons. We focus on the strangeness conserving sector, and, as an example, calculate hyperon masses. Convergence of this two-flavor chiral expansion for observables is improved over…

Nuclear Theory · Physics 2008-11-26 Brian C. Tiburzi , Andre Walker-Loud

We study meson loop corrections to the baryon magnetic moments starting from a QCD-based quark model derived earlier in a quenched approximation to QCD. The model reproduces the standard quark model with extra corrections for the binding of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Phuoc Ha , Loyal Durand

In lattice QCD, both direct method and HAL QCD method are used to investigate the two-baryon systems. We show that due to the contamination of the scattering excited states, it is challenging to measure the eigenenergy from the temporal…

High Energy Physics - Lattice · Physics 2018-11-16 Takumi Iritani , for HAL QCD Collaboration

The description of the baryon spectrum is performed using the hypercentral Consituent Quark Model (hCQM), mainly in comparison with the harmonic oscillator (h.o.). Recentlly many new states, at various levels of confidence have been…

Nuclear Theory · Physics 2015-10-05 M. M. Giannini , E. Santopinto

We study the roles of quark-pair correlations for baryon properties, in particular on non-leptonic weak decay of hyperons. We construct the quark wave function of baryons by solving the three body problem explicitly with confinement force…

Nuclear Theory · Physics 2009-10-31 K. Suzuki , E. Hiyama , H. Toki , M. Kamimura

The pp -> p K+ Y0 reaction has been studied for hyperon masses m(Y0)<1540 MeV/c2 at COSY-Juelich by using a 3.65 GeV/c circulating proton beam incident on an internal hydrogen target. Final states comprising two protons, one positively…

The static properties, masses and decay constants, of pseudoscalar meson triplet in a strongly magnetized medium are studied through the Dyson-Schwinger equation approach treatment of a contact interaction. Complementary to the usual…

High Energy Physics - Phenomenology · Physics 2022-06-22 Zanbin Xing , Jingyi Chao , Lei Chang , Yu-xin Liu

We derive QCD light-cone sum rules for the hadronic matrix elements of the heavy baryon transitions to nucleon. In the correlation functions the $\Lambda_c,\Sigma_c$ and $\Lambda_b$ -baryons are interpolated by three-quark currents and the…

High Energy Physics - Phenomenology · Physics 2015-05-30 A. Khodjamirian , Ch. Klein , Th. Mannel , Y. -M. Wang

The spectrum of excited baryons in the $N$ = 2 band is reanalys9 pagesed in the $1/N_c$ expansion method, with emphasis on hyperons. Predictions are made for the classification of these excited baryons into SU(3) singlets, octets and…

High Energy Physics - Phenomenology · Physics 2017-12-27 Fl. Stancu

We use the non-relativistic expansion of QCD (NRQCD) on the lattice to study the lowest hybrid configuration contribution to the ground state of heavy S-wave mesons. Using lowest-order lattice NRQCD to create the heavy-quark propagators, we…

High Energy Physics - Lattice · Physics 2008-11-26 Tommy Burch , Doug Toussaint

In the heavy quark limit, there are three independent strong axial coupling constants in chiral Lagrangians for ground-state heavy hadrons: g in the meson sector, and g_1, g_2 in the baryon sector. The coupling g_2 is extracted from recent…

High Energy Physics - Phenomenology · Physics 2009-10-30 Hai-Yang Cheng

This is the third of a series of papers treating light baryon resonances up to 3 GeV within a relativistically covariant quark model based on the Bethe-Salpeter equation with instantaneous two- and three-body forces. In this last paper we…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ulrich Loering , Bernard Ch. Metsch , Herbert R. Petry
‹ Prev 1 8 9 10 Next ›