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Title: Connection Between Regge Behavior and Fixed-Angle Scattering

Abstract

The physical origins and dynamical details of Regge behavior are studied by examining a general class of theories which are capable of describing the observed large-momentum-transfer data and extending them into the intermediate-t range. The mechanism responsible for the smooth connection between the deep-scattering region and the Regge region is discussed in detail. We derive a convenient new form of the exact integral equation which describes generalized ladder graphs containing irreducible scattering amplitudes as the rungs. The limiting behavior of the Regge trajectories and residues are then calculated in both the single-channel and the more realistic coupled-channel cases. The trajectories are found to approach negative constants for large negative momentum transfer and the residues fall as powers in the same limit. Furthermore, since the forward and backward Regge regimes must join smoothly onto the same fixed-angle behavior, there are relations between a priori unrelated trajectory functions and residues. The standard properties of Regge poles, in particular factorization and signature, are shown to be present even though the basic, fixed-angle interaction possesses neither of these properties. These general considerations are then applied to the more specific constituent-interchange model. Here we find that the asymptotic behavior of the trajectories and residues aremore » controlled by the form factors of the particles involved in the scattering. Finally, we elucidate the relationship between the constituent-interchange diagrams and the Harari-Rosner duality diagrams.« less

Authors:
 [1];  [1];  [2];  [1]
  1. Stanford Univ., CA (United States)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1442904
Report Number(s):
SLAC-PUB-1294
Journal ID: ISSN 0556-2821; PRVDAQ
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles Fields
Additional Journal Information:
Journal Volume: 8; Journal Issue: 11; Journal ID: ISSN 0556-2821
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Blankenbecler, R., Brodsky, S. J., Gunion, J. F., and Savit, R. Connection Between Regge Behavior and Fixed-Angle Scattering. United States: N. p., 1973. Web. doi:10.1103/PhysRevD.8.4117.
Blankenbecler, R., Brodsky, S. J., Gunion, J. F., & Savit, R. Connection Between Regge Behavior and Fixed-Angle Scattering. United States. doi:10.1103/PhysRevD.8.4117.
Blankenbecler, R., Brodsky, S. J., Gunion, J. F., and Savit, R. Sat . "Connection Between Regge Behavior and Fixed-Angle Scattering". United States. doi:10.1103/PhysRevD.8.4117. https://www.osti.gov/servlets/purl/1442904.
@article{osti_1442904,
title = {Connection Between Regge Behavior and Fixed-Angle Scattering},
author = {Blankenbecler, R. and Brodsky, S. J. and Gunion, J. F. and Savit, R.},
abstractNote = {The physical origins and dynamical details of Regge behavior are studied by examining a general class of theories which are capable of describing the observed large-momentum-transfer data and extending them into the intermediate-t range. The mechanism responsible for the smooth connection between the deep-scattering region and the Regge region is discussed in detail. We derive a convenient new form of the exact integral equation which describes generalized ladder graphs containing irreducible scattering amplitudes as the rungs. The limiting behavior of the Regge trajectories and residues are then calculated in both the single-channel and the more realistic coupled-channel cases. The trajectories are found to approach negative constants for large negative momentum transfer and the residues fall as powers in the same limit. Furthermore, since the forward and backward Regge regimes must join smoothly onto the same fixed-angle behavior, there are relations between a priori unrelated trajectory functions and residues. The standard properties of Regge poles, in particular factorization and signature, are shown to be present even though the basic, fixed-angle interaction possesses neither of these properties. These general considerations are then applied to the more specific constituent-interchange model. Here we find that the asymptotic behavior of the trajectories and residues are controlled by the form factors of the particles involved in the scattering. Finally, we elucidate the relationship between the constituent-interchange diagrams and the Harari-Rosner duality diagrams.},
doi = {10.1103/PhysRevD.8.4117},
journal = {Physical Review. D, Particles Fields},
number = 11,
volume = 8,
place = {United States},
year = {1973},
month = {12}
}

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Works referenced in this record:

Composite theory of large angle scattering and new tests of parton concepts
journal, May 1972


Large-Angle Scattering and the Interchange Force
journal, July 1973

  • Gunion, J. F.; Brodsky, S. J.; Blankenbecler, R.
  • Physical Review D, Vol. 8, Issue 1
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Regge Poles and High-Energy Limits in Field Theory
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Singularities of Scattering Amplitudes on Unphysical Sheets and Their Interpretation
journal, July 1961

  • Blankenbecler, R.; Goldberger, M. L.; MacDowell, S. W.
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Off-Mass-Shell Theory of the Bootstrap and Composite-Particle Scattering
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Pomeranchuk term in the dual quark model
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Composite Theory of Inclusive Scattering at Large Transverse Momenta
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Very High-Energy Collisions of Hadrons
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Role of Interacting Reggeons in Field-Theoretic Investigations of High-Energy Scattering
journal, November 1971


Inclusive Processes at High Transverse Momentum
journal, December 1971


Meson Multiplicity for the Reaction pp ppX in a Bremsstrahlung Model
journal, December 1971


Feynman Rules and Quantum Electrodynamics at Infinite Momentum
journal, April 1969


Graphical form of Duality
journal, March 1969


t/s scaling in strong interactions
journal, November 1972


Dynamics at Infinite Momentum
journal, October 1966


    Works referencing / citing this record:

    The Pomeron and gauge/string duality
    journal, December 2007

    • Brower, Richard C.; Polchinski, Joseph; Strassler, Matthew J.
    • Journal of High Energy Physics, Vol. 2007, Issue 12
    • DOI: 10.1088/1126-6708/2007/12/005

    Analysis of particle production at large transverse momentum
    journal, December 1975