P((GAMMA)OVER-RIGHT-ARROW,PI-0) REACTION AND THE E2 EXCITATION OF THE DELTA

被引：39

作者：

BLANPIED, G

BLECHER, M

CARACAPPA, A

DJALALI, C

DUVAL, MA

GIORDANO, G

HOBLIT, S

KHANDAKER, M

KISTNER, OC

MATONE, G

MICELI, L

MIZE, WK

PREEDOM, BM

SANDORFI, AM

SCHAERF, C

SEALOCK, RM

THORN, CE

THORNTON, ST

VAZIRI, K

WHISNANT, CS

ZHAO, X

MOINESTER, MA

机构：

[1] IST NAZL FIS NUCL,LAB NAZL FRASCATI,FRASCATI,ITALY

[2] NATL INST NUCL PHYS,ROME,ITALY

[3] RENSSELAER POLYTECH INST,TROY,NY 12180

[4] UNIV ROME,I-00100 ROME,ITALY

[5] TEL AVIV UNIV,SCH PHYS & ASTRON,IL-69978 TEL AVIV,ISRAEL

[6] UNIV S CAROLINA,DEPT PHYS,COLUMBIA,SC 29208

[7] VIRGINIA POLYTECH INST & STATE UNIV,DEPT PHYS,BLACKSBURG,VA 24061

[8] UNIV VIRGINIA,DEPT PHYS,CHARLOTTESVILLE,VA 22903

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.69.1880

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Results from three independent measurements of the p(gammaover arrow pointing right, pi0) reaction are presented for incident photon energies between 243 and 314 MeV, and for c.m. angles of 105-degrees, 122-degrees, and 150-degrees. The ratio of cross sections measured with orthogonal states of linear polarization is sensitive to the E2 excitation of the DELTA resonance. Comparisons are made to the predictions of various models, all of which fail to reproduce these data.

引用

页码：1880 / 1883

页数：4

共 17 条

[11] A DYNAMIC-MODEL OF PION-PHOTOPRODUCTION ON THE NUCLEON [J].