Deuteron photodisintegration by polarized photons in the region of the d(2380)

M. Bashkanov*, S. Kay, D. P. Watts, C. Mullen, S. Abt, P. Achenbach, P. Adlarson, F. Afzal, Z. Ahmed, C. S. Akondi, J. R.M. Annand, H. J. Arends, R. Beck, M. Biroth, N. Borisov, A. Braghieri, W. J. Briscoe, F. Cividini, C. Collicott, S. CostanzaA. Denig, E. J. Downie, P. Drexler, S. Garni, D. I. Glazier, I. Gorodnov, W. Gradl, M. Günther, D. Gurevich, L. Heijkenskjöld, D. Hornidge, G. M. Huber, A. Käser, V. L. Kashevarov, M. Korolija, B. Krusche, A. Lazarev, K. Livingston, S. Lutterer, I. J.D. MacGregor, R. Macrae, D. M. Manley, P. P. Martel, R. Miskimen, E. Mornacchi, A. Neganov, A. Neiser, M. Ostrick, P. B. Otte, D. Paudyal, P. Pedroni, A. Powell, S. N. Prakhov, G. Ron, T. Rostomyan, A. Sarty, C. Sfienti, V. Sokhoyan, K. Spieker, O. Steffen, I. I. Strakovsky, T. Strub, I. Supek, A. Thiel, M. Thiel, A. Thomas, Yu A. Usov, S. Wagner, N. K. Walford, D. Werthmüller, J. Wettig, M. Wolfes, L. A. Zana

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We report the first large-acceptance measurement of the beam–spin asymmetry for deuteron photodisintegration (γ→d→pn) in the photon energy range 420<Eγ<620MeV. The measurement provides important new constraints on the mechanisms of photodisintegration above the Δ resonance and on the photocoupling of the recently discovered d(2380) hexaquark.

Original languageAmerican English
Pages (from-to)7-12
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume789
DOIs
StatePublished - 10 Feb 2019

Bibliographical note

Publisher Copyright:
© 2018 The Authors

Keywords

  • Deuteron photodisintegration
  • Dibaryon
  • Hexaquarks

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