Proton propagation in nuclei studied in the (e,e’p) reaction | Zendy

G. Garino | Zendy; M. Saber | Zendy; R. E. Segel | Zendy; D. F. Geesaman | Zendy; R. Gilman | Zendy; M. C. Green | Zendy; R. J. Holt | Zendy; J. P. Schiffer | Zendy; B. Zeidman | Zendy; E. J. Beise | Zendy; G. Dodson | Zendy; S. Høibråten | Zendy; Long Pham | Zendy; R. Redwine | Zendy; W. W. Sapp | Zendy; C. F. Williamson | Zendy; S. A. Wood | Zendy; N. S. Chant | Zendy; P. G. Roos | Zendy; John Silk | Zendy; M. Deady | Zendy; X. K. Maruyama | Zendy

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Proton propagation in nuclei studied in the (e,e’p) reaction

Author(s) -

G. Garino,

M. Saber,

R. E. Segel,

D. F. Geesaman,

R. Gilman,

M. C. Green,

R. J. Holt,

J. P. Schiffer,

B. Zeidman,

E. J. Beise,

G. Dodson,

S. Høibråten,

Long Pham,

R. Redwine,

W. W. Sapp,

C. F. Williamson,

S. A. Wood,

N. S. Chant,

P. G. Roos,

John Silk,

M. Deady,

X. K. Maruyama

Publication year - 1992

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.45.780

Subject(s) - physics , proton , atomic physics , energy (signal processing) , nuclear reaction , electron , nuclear physics , quantum mechanics

Proton propagation in nuclei was studied using the ({ital e},{ital e}{prime}{ital p}) reaction in the quasifree region. The coincidence ({ital e},{ital e}{prime}{ital p}) cross sections were measured at an electron angle of 50.4{degree} and proton angles of 50.1{degree}, 58.2{degree}, 67.9{degree}, and 72.9{degree} for {sup 12}C, {sup 27}Al, {sup 58}Ni, and {sup 181}Ta targets at a beam energy of 779.5 MeV. The average outgoing proton energy was 180 MeV. The ratio of the ({ital e},{ital e}{prime}{ital p}) yield to the simultaneously measured ({ital e},{ital e}{prime}) yield was compared to that calculated in the plane-wave impulse approximation and an experimental transmission defined. These experimental transmissions are considerably larger (a factor of {similar to}2 for {sup 181}Ta) than those one would calculate from the free {ital N}-{ital N} cross sections folded into the nuclear density distribution. A new calculation that includes medium effects ({ital N}-{ital N} correlations, density dependence of the {ital N}-{ital N} cross sections and Pauli suppression) accounts for this increase.

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