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Analysis of elastic scattering at low momentum transfer

Abstract

A method for analyzing high energy elastic scattering data is described, which improves on previous methods to extract {sigma}{sub tot}, {sigma}{sub el}, B, and {rho}=ReM(0)/ImM(0) from experiment by properly allowing for the curvature of 1nd{sigma}/dt with t. The method is used to make a critical analysis of data at {radical}s=19.4, 546, and 1800 GeV. It is found that previous analyses systematically underestimate the forward slope B. The large value of {rho} obtained by UA4 at {radical}s=546 GeV is shown to be doubtful. The method described here should aid in the analysis of forthcoming data from UA4/2 and E710. (orig.).
Authors:
Pumplin, J [1] 
  1. Michigan State Univ., East Lansing, MI (United States). Dept. of Physics and Astronomy
Publication Date:
Nov 01, 1991
Product Type:
Technical Report
Report Number:
DESY-91-143
Reference Number:
SCA: 662340; PA: DEN-92:003115; SN: 92000687963
Resource Relation:
Other Information: PBD: Nov 1991
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; HADRON-HADRON INTERACTIONS; ELASTIC SCATTERING; SCATTERING AMPLITUDES; INTEGRAL CROSS SECTIONS; TOTAL CROSS SECTIONS; GEV RANGE 10-100; GEV RANGE 100-1000; TEV RANGE 01-10; PROTON-ANTIPROTON INTERACTIONS; PROTON-PROTON INTERACTIONS; ANTIPROTONS; 662340; HADRON INTERACTIONS
OSTI ID:
10129235
Research Organizations:
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Other: ON: DE92785035; TRN: DE9203115
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
DEN
Size:
14 p.
Announcement Date:
Jul 04, 2005

Citation Formats

Pumplin, J. Analysis of elastic scattering at low momentum transfer. Germany: N. p., 1991. Web.
Pumplin, J. Analysis of elastic scattering at low momentum transfer. Germany.
Pumplin, J. 1991. "Analysis of elastic scattering at low momentum transfer." Germany.
@misc{etde_10129235,
title = {Analysis of elastic scattering at low momentum transfer}
author = {Pumplin, J}
abstractNote = {A method for analyzing high energy elastic scattering data is described, which improves on previous methods to extract {sigma}{sub tot}, {sigma}{sub el}, B, and {rho}=ReM(0)/ImM(0) from experiment by properly allowing for the curvature of 1nd{sigma}/dt with t. The method is used to make a critical analysis of data at {radical}s=19.4, 546, and 1800 GeV. It is found that previous analyses systematically underestimate the forward slope B. The large value of {rho} obtained by UA4 at {radical}s=546 GeV is shown to be doubtful. The method described here should aid in the analysis of forthcoming data from UA4/2 and E710. (orig.).}
place = {Germany}
year = {1991}
month = {Nov}
}