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The construction of the operators and correlators required to determine the excited baryon spectrum is presented, with the aim of exploring the spatial and spin structure of the states while minimizing the number of propagator inversions.…

High Energy Physics - Lattice · Physics 2014-11-17 LHP Collaboration , S. Basak , R. Edwards , R. Fiebig , G. Fleming , U. M. Heller , C. Morningstar , D. Richards , I. Sato , S. Wallace

We conjecture that three light Majorana neutrinos and their right-handed counterparts may have a universal geometric mass hierarchy. Incorporating this phenomenological conjecture with the Fritzsch texture of lepton mass matrices in a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Zhi-zhong Xing

The proton mass arises from spontaneous breaking of chiral symmetry and the formation of constituent quarks. Their dynamics cannot be tested by proton tomography but only by studying excited baryons. However, the number of excited baryons…

High Energy Physics - Phenomenology · Physics 2015-05-18 Eberhard Klempt

The mass spectra of the excited heavy baryons consisting of two light (u,d,s) and one heavy (c,b) quarks are calculated in the heavy-quark--light-diquark approximation within the constituent quark model. The light quarks, forming the…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Ebert , R. N. Faustov , V. O. Galkin

A new method involving the effective wave function is used to define the mass of a particle in a standard five-dimensional extension of general relativity. The mass is inversely proportional to the magnitude of the scalar field of the extra…

General Relativity and Quantum Cosmology · Physics 2016-02-16 Paul S. Wesson

The octet, decuplet and antidecuplet baryon mass spectrum as a function of the Skyrme charge e and the SU(3)_f symmetry breaking parameters is given in tabular form. We also estimate the decuplet-octet and the antidecuplet-octet mass…

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Duplancic , J. Trampetic

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

We discuss recent calculations of the mass spectrum, electromagnetic and strong couplings of baryon resonances. The calculations are done in a collective constituent model for the nucleon, in which the resonances are interpreted as…

Nuclear Theory · Physics 2017-11-03 R. Bijker , A. Leviatan

The mass hierarchies of quarks and charged leptons as well as a large $\n_\m$-$\n_\t$ mixing angle are naturally explained by the Frogatt-Nielsen mechanism with a nonparallel family structure of chiral charges. We extend this mechanism to…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Buchmüller , T. Yanagida

A complete model of baryon production in an expanding, primordially symmetric hot Universe is constructed in the framework of general-relativistic kinetic theory. In this model specific model for a baryon is calculated and graphs of the…

General Relativity and Quantum Cosmology · Physics 2010-12-30 Yu. G. Ignatyev , K. Alsmadi

Recently various phenomenological implications of the existence of extra space-time dimensions have been investigated. In this letter, we construct a model with realistic fermion mass hierarchy with (large) extra dimensions beyond the usual…

High Energy Physics - Phenomenology · Physics 2009-10-31 Koichi Yoshioka

For matrix model and QFT, we discuss how dual gravitational geometry emerges from matrix degrees of freedom (specifically, adjoint scalars in super Yang-Mills theory) and how operator algebra that describes an arbitrary region of the bulk…

High Energy Physics - Theory · Physics 2024-11-11 Vaibhav Gautam , Masanori Hanada , Antal Jevicki

We present a model-independent analysis of the mass spectrum of nonstrange L=1 baryons in large N_c QCD. The 1/N_c expansion is used to select and order a basis of effective operators that spans the nine observables (seven masses and two…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christopher D. Carone

To explaine the matter-antimatter asymmetry, a supersymmetric extention of the standard model is proposed where baryon and lepton numbers are local gauged(BLMSSM), and exotic superfields are introduced when gauge group is enlarged to…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hui Li , Jian-Bin Chen , Li-Li Xing

A formulation of Einstein's gravitational field equations in four space-time dimensions is presented using generalized differential forms and Cartan's equations for metric geometries. Cartan's structure equations are extended by using…

General Relativity and Quantum Cosmology · Physics 2025-10-21 D C Robinson

A unified set of predictions for pion and kaon elastic electromagnetic and gravitational form factors is obtained using a symmetry-preserving truncation of each relevant quantum field equation. A key part of the study is a description of…

High Energy Physics - Phenomenology · Physics 2023-11-28 Yin-Zhen Xu , Minghui Ding , Khépani Raya , Craig D. Roberts , José Rodríguez-Quintero , Sebastian M. Schmidt

The considered model of baryon consists of three pointlike masses (quarks) bounded pairwise by relativistic strings forming a curvilinear triangle. Classic analytic solutions for this model corresponding to a planar uniform rotation about…

High Energy Physics - Theory · Physics 2010-11-19 G. S. Sharov

In this work, we calculated the baryon mass within a non-relativistically quark model using an approach based on the G\"ursey Radicati mass formula (GR). The average energy value of each SU(6) multiplet is described using the SU(6)…

Nuclear Theory · Physics 2016-05-31 Nasrin Salehi

The masses of the ground state heavy baryons consisting of two light (u,d,s) and one heavy (c,b) quarks are calculated in the heavy-quark--light-diquark approximation within the constituent quark model. The light quarks, forming the…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Ebert , R. N. Faustov , V. O. Galkin

We present a model-independent analysis of the mass spectrum of nonstrange l=1 baryons in large N_c QCD. The 1/N_c expansion is used to select and order a basis of effective operators that spans the nine observables (seven masses and two…

High Energy Physics - Phenomenology · Physics 2009-10-31 Christopher D. Carone