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

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1165918
Alternate Identifier(s):
OSTI ID: 1180204
Report Number(s):
SLAC-PUB-16130
Journal ID: ISSN 1550-7998; PRVDAQ; arXiv:1411.5243
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 91; Journal Issue: 4; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Phenomenology-HEP; Theory-HEP; HEPPH; HEPTH

Citation Formats

de Teramond, Guy F., Dosch, Hans Gunter, and Brodsky, Stanley J. Baryon spectrum from superconformal quantum mechanics and its light-front holographic embedding. United States: N. p., 2015. Web. doi:10.1103/PhysRevD.91.045040.
de Teramond, Guy F., Dosch, Hans Gunter, & Brodsky, Stanley J. Baryon spectrum from superconformal quantum mechanics and its light-front holographic embedding. United States. doi:10.1103/PhysRevD.91.045040.
de Teramond, Guy F., Dosch, Hans Gunter, and Brodsky, Stanley J. Fri . "Baryon spectrum from superconformal quantum mechanics and its light-front holographic embedding". United States. doi:10.1103/PhysRevD.91.045040. https://www.osti.gov/servlets/purl/1165918.
@article{osti_1165918,
title = {Baryon spectrum from superconformal quantum mechanics and its light-front holographic embedding},
author = {de Teramond, Guy F. and Dosch, Hans Gunter and Brodsky, Stanley J.},
abstractNote = {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.},
doi = {10.1103/PhysRevD.91.045040},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 4,
volume = 91,
place = {United States},
year = {2015},
month = {2}
}

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Cited by: 40 works
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    Works referencing / citing this record:

    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, June 2019

    • Deur, Alexandre; Brodsky, Stanley J.; de Téramond, Guy F.
    • Reports on Progress in Physics, Vol. 82, Issue 7
    • DOI: 10.1088/1361-6633/ab0b8f