1996
DOI: 10.1103/physrevc.54.2547
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Nuclear transparency to intermediate-energy protons

Abstract: Nuclear transparency in the (e, e ′ p) reaction for 135 ≤ T p ≤ 800 MeV is investigated using the distorted wave approximation. Calculations using densitydependent effective interactions, both empirical and theoretical, are compared with phenomenological optical potentials. We find that nuclear transparency is well correlated with proton absorption and neutron total cross sections and that calculations using density-dependent effective interactions provide the best agreement with data. Nuclear transparency cal… Show more

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Cited by 22 publications
(23 citation statements)
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“…These features of the N-N interaction would be expected to be reflected in the energy dependence of attenuation of protons as they pass through the nucleus but many body effects, including Pauli blocking, nonlocality, and correlations in the nuclear wave functions, can play an essential role in modifying this expectation (See Refs. [4][5][6], and references therein). The quasifree region is roughly defined by proton kinetic energies T p ϳ Q 2 ͞2M p and outgoing proton momenta, p 0 , close to q 1 p i where q is the electron three momentum transfer, Q 2 is the absolute value of the electron four momentum transfer squared, M p is the proton mass, and p i is a typical three momentum of the initial struck nucleon with j p i j less than the Fermi momentum.…”
Section: (Received 24 November 1997)mentioning
confidence: 99%
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“…These features of the N-N interaction would be expected to be reflected in the energy dependence of attenuation of protons as they pass through the nucleus but many body effects, including Pauli blocking, nonlocality, and correlations in the nuclear wave functions, can play an essential role in modifying this expectation (See Refs. [4][5][6], and references therein). The quasifree region is roughly defined by proton kinetic energies T p ϳ Q 2 ͞2M p and outgoing proton momenta, p 0 , close to q 1 p i where q is the electron three momentum transfer, Q 2 is the absolute value of the electron four momentum transfer squared, M p is the proton mass, and p i is a typical three momentum of the initial struck nucleon with j p i j less than the Fermi momentum.…”
Section: (Received 24 November 1997)mentioning
confidence: 99%
“…Little evidence of momentum transfer or final-state proton energy dependence can be seen above Q 2 of 1.8 GeV 2 . The dashed curves from 0.3 , Q 2 , 1.3 GeV 2 are distorted wave impulse approximation calculations of Kelly [4] using a density dependent empirical effective interaction, of Ref. [4], fit to inelastic scattering data that successfully describe proton-nucleus absorption cross sections up to T p 700 MeV.…”
Section: (Received 24 November 1997)mentioning
confidence: 99%
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“…In general the yield obtained in perpendicular kinematics exceeds the one measured in parallel kinematics due to additional reaction mechanisms present in perpendicular kinematics [33]. In the single-particle region (below the Fermi momentum) a difference of 6 % is expected [34,35].…”
Section: Resultsmentioning
confidence: 82%