UPDATED ANALYSIS OF PI-N ELASTIC-SCATTERING DATA TO 2.1-GEV - THE BARYON SPECTRUM

被引：268

作者：

ARNDT, RA ^{[1
]}

STRAKOVSKY, II ^{[1
]}

WORKMAN, RL ^{[1
]}

PAVAN, MM ^{[1
]}

机构：

[1] UNIV BRITISH COLUMBIA, VANCOUVER, BC V6T 2A3, CANADA

来源：

PHYSICAL REVIEW C | 1995年 / 52卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.52.2120

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present the results of energy-dependent and single-energy partial-wave analyses of pi N elastic scattering data with laboratory kinetic energies below 2.1 GeV. Resonance structures have been extracted using Breit-Wigner fits, speed plots, and a complex plane mapping of the associated poles and zeros. This is the first set of resonance parameters from a VPI analysis constrained by fixed-t dispersion relations. We have searched our solutions for structures which may have been missed in our previous analyses, finding candidates in the S-11 and F-15 partial-wave amplitudes. Our results are compared with those found by the Karlsruhe, Carnegie-Mellon-Berkeley, and Kent State groups.

引用

页码：2120 / 2130

页数：11

共 42 条

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