Exclusive photodisintegration of He3 with polarized photons

D. J. Tedeschi*, G. S. Adams, G. Audit, H. Baghaei, A. Caracappa, W. B. Clayton, A. D'Angelo, M. A. Duval, G. Giordano, S. Hoblit, O. C. Kistner, J. M. Laget, R. Lindgren, G. Matone, L. Miceli, W. K. Mize, M. Moinester, C. Ruth, A. Sandorfi, C. SchaerfR. M. Sealock, L. C. Smith, P. Stoler, P. K. Teng, C. E. Thorn, S. T. Thornton, K. Vaziri, C. S. Whisnant, E. J. Winhold

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The first measurement of exclusive photodisintegration of He3 with polarized photons is reported. Cross sections and asymmetries for He3(γ→,pn)p and He3(γ→,pp)n at 235≤Eγ≤305 MeV are compared to a theoretical calculation which includes one-, two-, and three-nucleon photon, absorption. Two-nucleon absorption dominates the pn data, but is suppressed in the pp data. The pp data require the inclusion of three-nucleon absorption to describe the cross section and beam asymmetry over all momenta.

Original languageEnglish
Pages (from-to)408-411
Number of pages4
JournalPhysical Review Letters
Volume73
Issue number3
DOIs
StatePublished - 1994

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