Hard Two-Body Photodisintegration of He-3

CLAS Collaboration, Hall-A Collaboration, I. Pomerantz*, Y. Ilieva, R. Gilman, D. W. Higinbotham, E. Piasetzky, S. Strauch, K. P. Adhikari, M. Aghasyan, K. Allada, M. J. Amaryan, S. Anefalos Pereira, M. Anghinolfi, H. Baghdasaryan, J. Ball, N. A. Baltzell, M. Battaglieri, V. Batourine, A. BeckS. Beck, I. Bedlinskiy, B. L. Berman, A. S. Biselli, W. Boeglin, J. Bono, C. Bookwalter, S. Boiarinov, W. J. Briscoe, W. K. Brooks, N. Bubis, V. Burkert, A. Camsonne, M. Canan, D. S. Carman, A. Celentano, S. Chandavar, G. Charles, K. Chirapatpimol, E. Cisbani, P. L. Cole, M. Contalbrigo, V. Crede, F. Cusanno, A. D'Angelo, A. Daniel, N. Dashyan, C. W. de Jager, R. De Vita, E. De Sanctis, A. Deur, D. P. Watts

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We have measured cross sections for the gamma He-3 -> pd reaction at photon energies of 0.4-1.4 GeV and a center-of-mass angle of 90 degrees. We observe dimensional scaling above 0.7 GeV at this center-of-mass angle. This is the first observation of dimensional scaling in the photodisintegration of a nucleus heavier than the deuteron.

Original languageEnglish
Article number242301
Number of pages7
JournalPhysical Review Letters
Volume110
Issue number24
DOIs
Publication statusPublished - 14 Jun 2013

Keywords

  • ANGLE ELASTIC-SCATTERING
  • CROSS-SECTION
  • DEUTERON

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