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Title: Baryon spectrum from superconformal quantum mechanics and its light-front holographic embedding

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
 [1];  [2];  [3]
  1. Univ. de Costa Rica, San Jose (Costa Rica)
  2. Institut fur Theoretische Physik, Heidelberg (Germany)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)

We describe the observed light-baryon spectrum by extending superconformal quantum mechanics to the light front and its embedding in AdS space. This procedure uniquely determines the confinement potential for arbitrary half-integer spin. To this end, we show that fermionic wave equations in AdS space are dual to light-front supersymmetric quantum-mechanical bound-state equations in physical space-time. The specific breaking of conformal invariance explains hadronic properties common to light mesons and baryons, such as the observed mass pattern in the radial and orbital excitations, from the spectrum generating algebra. Lastly, the holographic embedding in AdS also explains distinctive and systematic features, such as the spin-J degeneracy for states with the same orbital angular momentum, observed in the light-baryon spectrum.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1165918
Alternate ID(s):
OSTI ID: 1180204
Report Number(s):
SLAC-PUB-16130; PRVDAQ; arXiv:1411.5243
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 91, Issue 4; ISSN 1550-7998
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 80 works
Citation information provided by
Web of Science

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Cited By (15)

Supersymmetric Properties of Hadron Physics from Light-Front Holography and Superconformal Algebra and other Advances in Light-Front QCD journal March 2018
The QCD Running Coupling at All Scales and the Connection Between Hadron Masses and $$\varvec{\varLambda _s}$$ Λ s journal November 2018
Determination of ${{\rm{\Lambda }}}_{\overline{{\rm{MS}}}}$ at five loops from holographic QCD journal September 2017
The spin structure of the nucleon journal June 2019
Family of dilatons and metrics for AdS/QCD models journal June 2016
Schwinger’s proper time and worldline holographic renormalization journal April 2017
Fermions in worldline holography journal September 2017
The spin structure of the nucleon journal January 2005
Meson/Baryon/Tetraquark Supersymmetry from Superconformal Algebra and Light-Front Holography conference December 2016
The spin structure of the nucleon journal January 1994
The Spin Structure of the Nucleon: Proceeding of International School of Nucleon Structure: 1st Course conference April 2017
Family of dilatons and metrics for AdS/QCD models text January 2016
Fermions in worldline holography text January 2017
Universality of Generalized Parton Distributions in Light-Front Holographic QCD text January 2018
Nonperturbative strange-quark sea from lattice QCD, light-front holography, and meson-baryon fluctuation models text January 2018

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