First Attempt to Extract the Low Energy Multipoles from Kaon Photoproduction Data

被引：0

作者：

Sakinah, S. ^{[1
]}

Septian, N. ^{[1
]}

Clymton, S. ^{[1
]}

Mart, T. ^{[1
]}

机构：

[1] Univ Indonesia, Fac Math & Nat Sci FMIPA, Dept Phys, Depok 16424, Indonesia

来源：

PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2017 (ISCPMS2017) | 2018年 / 2023卷

关键词：

electric and magnetic multipole amplitude; kaon photoproduction; Breit-Wigner; PHOTON ENERGIES; K+ SIGMA(0); GAMMA-P; LAMBDA;

D O I：

10.1063/1.5064005

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The low energy (W <= 2.0 GeV) electric and magnetic multipoles E-l +/-, M-l +/- have been extracted by using the available kaon photoproduction data. The angular momenta of the multipoles are limited up to l <= 4. To construct the background amplitude we use the covariant Feynman diagrams for the s-, t-, and u-channel intermediate states. The result is compared to the predictions of Kaon-Maid and other previous studies. The extracted multipoles provide very useful and practical secondary data for comparison with theoretical predictions, replacing the traditional cross section and other single or double polarization observables data.

引用

页数：4

共 14 条

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