Single and double delta production in the He-3(gamma,pi(+)pi(-)) reaction at 380<=E-gamma<=700 MeV

被引：8

作者：

Watts, DG

Huber, GM

Lolos, GJ

Lasiuk, B

Kato, S

Koike, M

Maruyama, K

Niki, K

Wada, Y

Maeda, K

Suda, T

Emura, T

Miyamoto, H

Endo, S

Sumi, Y

Konno, O

Yamazaki, H

Itoh, H

Maki, T

Sasaki, A

机构：

[1] UNIV REGINA, DEPT PHYS, REGINA, SK S4S 0A2, CANADA

[2] UNIV SASKATCHEWAN, DEPT PHYS, SASKATOON, SK S7N 0W0, CANADA

[3] UNIV TOKYO, INST NUCL STUDY, TANASHI, TOKYO 188, JAPAN

[4] MEIJI COLL PHARM, SETAGAYA KU, TOKYO 154, JAPAN

[5] TOHOKU UNIV, DEPT PHYS, SENDAI, MIYAGI 980, JAPAN

[6] TOKYO UNIV AGR & TECHNOL, DEPT APPL PHYS, KOGANEI, TOKYO 184, JAPAN

[7] HIROSHIMA UNIV, DEPT PHYS, HIGASHIHIROSHIMA 724, JAPAN

[8] TOHOKU UNIV, NUCL SCI LAB, SENDAI, MIYAGI 982, JAPAN

[9] SAGA UNIV, DEPT PHYS, SAGA 840, JAPAN

[10] UNIV OCCUPAT & ENVIRONM HLTH, KITAKYUSHU, FUKUOKA 807, JAPAN

[11] AKITA UNIV, COLL GEN EDUC, AKITA 010, JAPAN

来源：

PHYSICAL REVIEW C | 1997年 / 55卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.55.1832

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：

Results are presented for the He-3(gamma, pi(+)pi(-)) reaction in the region 380 less than or equal to E-gamma less than or equal to 700 MeV, investigated with the use of a 10% duly factor tagged photon beam, in conjunction with the TAGX multiparticle spectrometer. The study of such multipion photoproduction reactions has motivated a number of chiral symmetric models, and is expected to provide an insight on the role of the Delta and N* resonances in the nuclear medium. From comparisons of the data with simple reaction simulations, it was found that the data were best Bt with a combination of multibody phase space channels, quasifree Delta and N*, and Delta Delta production channels. The results are compared with other double pion photoproduction reactions on hydrogen and deuterium.

引用

页码：1832 / 1842

页数：11

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