NEUTRON DEFORMATION PARAMETER FROM COMPARATIVE-STUDY OF PI+ AND PI- INELASTIC-SCATTERING

被引：54

作者：

IVERSEN, S

OBST, A

SETH, KK

THIESSEN, HA

MORRIS, CL

TANAKA, N

SMITH, E

AMANN, JF

BOUDRIE, R

BURLESON, G

DEVEREUX, M

SWENSON, LW

VARGHESE, P

BOYER, K

BRAITHWAITE, WJ

COTTINGAME, W

MOORE, CF

机构：

[1] NORTHWESTERN UNIV,EVANSTON,IL 60201

[2] UNIV CALIF,LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545

[3] CARNEGIE MELLON UNIV,PITTSBURGH,PA 15213

[4] UNIV COLORADO,BOULDER,CO 80302

[5] NEW MEXICO STATE UNIV,LAS CRUCES,NM 88001

[6] OREGON STATE UNIV,CORVALLIS,OR 97331

[7] UNIV TEXAS,AUSTIN,TX 78712

来源：

PHYSICAL REVIEW LETTERS | 1978年 / 40卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.40.17

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Differential cross sections for the excitation of the 2+ state in O18 by 230-MeV pions are found to be about 70% larger for - than for +. Since the -nucleon interaction at this energy is dominated by the (3,3) resonance, it is concluded that the results imply that Rn1.3Rp, or alternatively, that (R)n (valence neutrons) 3(R)c(core), where is the deformation parameter and R the equilibrium radius of the deformed potential. We believe that these results constitute the first example of measurement of the neutron deformation parameter. © 1978 The American Physical Society.

引用

页码：17 / 20

页数：4

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