Neutron properties in the medium

I. C. Cloët, Gerald A. Miller, E. Piasetzky, G. Ron

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

We demonstrate that for small values of momentum transfer Q2 the in-medium change of the GE/GM form factor ratio for a bound neutron is dominated by the change in the electric charge radius and predict within stated assumptions that the in-medium ratio will increase relative to the free result. This effect will act to increase the predicted cross section for the neutron recoil polarization transfer process He4(e→,e′n→)He3. This is in contrast with medium modification effects on the proton GE/GM form factor ratio, which act to decrease the predicted cross section for the He4(e→,e′p→)H3 reaction. Experiments to measure the in-medium neutron form factors are currently feasible in the range 0.1<Q2<1GeV2.

Original languageAmerican English
Article number082301
JournalPhysical Review Letters
Volume103
Issue number8
DOIs
StatePublished - 18 Aug 2009
Externally publishedYes

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