Parity violation in neutron resonances in107,109Ag | Zendy

L. Y. Lowie | Zendy; J. D. Bowman | Zendy; F. Corvi | Zendy; B. E. Crawford | Zendy; P. P. J. Delheij | Zendy; C. M. Frankle | Zendy; M. Iinuma | Zendy; J. N. Knudson | Zendy; A. Masaike | Zendy; Y. Masuda | Zendy; Y. Matsuda | Zendy; G. E. Mitchell | Zendy; H. Penttilä | Zendy; H. Postma | Zendy; N. R. Roberson | Zendy; S. J. Seestrom | Zendy; É. I. Sharapov | Zendy; Hirohiko M. Shimizu | Zendy; S. L. Stephenson | Zendy; YiFen Yen | Zendy; V. W. Yuan | Zendy; L. Zanini | Zendy

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Parity violation in neutron resonances in107,109Ag

Author(s) -

L. Y. Lowie,

J. D. Bowman,

F. Corvi,

B. E. Crawford,

P. P. J. Delheij,

C. M. Frankle,

M. Iinuma,

J. N. Knudson,

A. Masaike,

Y. Masuda,

Y. Matsuda,

G. E. Mitchell,

H. Penttilä,

H. Postma,

N. R. Roberson,

S. J. Seestrom,

É. I. Sharapov,

Hirohiko M. Shimizu,

S. L. Stephenson,

YiFen Yen,

V. W. Yuan,

L. Zanini

Publication year - 1999

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.59.1119

Subject(s) - physics , neutron , resonance (particle physics) , atomic physics , parity (physics) , nuclear physics , particle physics

Parity nonconservation (PNC) was studied in {ital p}-wave resonances in Ag by measuring the helicity dependence of the neutron total cross section. Transmission measurements on natural Ag were performed in the energy range 32 to 422 eV with the time-of-flight method at the Manuel Lujan Neutron Scattering Center at Los Alamos National Laboratory. A total of 15 {ital p}-wave neutron resonances were studied in {sup 107}Ag and nine {ital p}-wave resonances in {sup 109}Ag. Statistically significant asymmetries were observed for eight resonances in {sup 107}Ag and for four resonances in {sup 109}Ag. An analysis treating the PNC matrix elements as random variables yields a weak spreading width of {Gamma}{sub w}=(2.67{sub {minus}1.21}{sup +2.65}){times}10{sup {minus}7} eV for {sup 107}Ag and {Gamma}{sub w}=(1.30{sub {minus}0.74}{sup +2.49}){times}10{sup {minus}7} eV for {sup 109}Ag. thinsp {copyright} {ital 1999} {ital The American Physical Society}

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