Superconformal Baryon-Meson Symmetry and Light-Front Holographic QCD
Abstract
We construct an effective QCD light-front Hamiltonian for both mesons and baryons in the chiral limit based on the generalized supercharges of a superconformal graded algebra. The superconformal construction is shown to be equivalent to a semi-classical approximation to light-front QCD and its embedding in AdS space. The specific breaking of conformal invariance inside the graded algebra uniquely determines the effective confinement potential. The generalized supercharges connect the baryon and meson spectra to each other in a remarkable manner. In particular, the π/b1 Regge trajectory is identified as the superpartner of the nucleon trajectory. However, the lowest-lying state on this trajectory, the π-meson is massless in the chiral limit and has no supersymmetric partner.
- Authors:
-
- Institut fuer Theoretische Physik, Heidelberg (Germany)
- Universidad de Costa Rica, San Jose (Costa Rica)
- SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1168438
- Alternate Identifier(s):
- OSTI ID: 1177831
- Report Number(s):
- SLAC-PUB-16184
Journal ID: ISSN 1550-7998; PRVDAQ; arXiv:1501.00959; TRN: US1600834
- 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: 8; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Phenomenology-HEP, Theory-HEP,HEPEX, HEPTH
Citation Formats
Dosch, Hans Guenter, de Teramond, Guy F., and Brodsky, Stanley J. Superconformal Baryon-Meson Symmetry and Light-Front Holographic QCD. United States: N. p., 2015.
Web. doi:10.1103/PhysRevD.91.085016.
Dosch, Hans Guenter, de Teramond, Guy F., & Brodsky, Stanley J. Superconformal Baryon-Meson Symmetry and Light-Front Holographic QCD. United States. https://doi.org/10.1103/PhysRevD.91.085016
Dosch, Hans Guenter, de Teramond, Guy F., and Brodsky, Stanley J. Fri .
"Superconformal Baryon-Meson Symmetry and Light-Front Holographic QCD". United States. https://doi.org/10.1103/PhysRevD.91.085016. https://www.osti.gov/servlets/purl/1168438.
@article{osti_1168438,
title = {Superconformal Baryon-Meson Symmetry and Light-Front Holographic QCD},
author = {Dosch, Hans Guenter and de Teramond, Guy F. and Brodsky, Stanley J.},
abstractNote = {We construct an effective QCD light-front Hamiltonian for both mesons and baryons in the chiral limit based on the generalized supercharges of a superconformal graded algebra. The superconformal construction is shown to be equivalent to a semi-classical approximation to light-front QCD and its embedding in AdS space. The specific breaking of conformal invariance inside the graded algebra uniquely determines the effective confinement potential. The generalized supercharges connect the baryon and meson spectra to each other in a remarkable manner. In particular, the π/b1 Regge trajectory is identified as the superpartner of the nucleon trajectory. However, the lowest-lying state on this trajectory, the π-meson is massless in the chiral limit and has no supersymmetric partner.},
doi = {10.1103/PhysRevD.91.085016},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 8,
volume = 91,
place = {United States},
year = {Fri Apr 10 00:00:00 EDT 2015},
month = {Fri Apr 10 00:00:00 EDT 2015}
}
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