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FURTHER MEASUREMENT OF PROTON POLARIZATION IN DEUTERON PHOTODISINTEGRATION AT PHOTON ENERGIES BETWEEN 400-MEV AND 650-MEV: POSSIBLE EVIDENCE FOR DIBARYON RESONANCES

Ikeda, H. ; Arai, I. ; Fujii, H. ; et al.

Nucl.Phys.B 172 (1980) 509-533, 1980.

Inspire Record 158986 DOI 10.17182/hepdata.34500

The proton polarization in deuteron photodisintegration has been measured at photon energies between 400 and 650 MeV at c.m. angles between 45° and 135°. To explain the polarization and differential cross-section data consistently, we have introduced dibaryon resonances and performed a partial-wave analysis at photon energies between 350 and 700 MeV. It has been shown that the existence of at least two dibaryon resonances is required in this energy range: one at ∼2380MeV with I ( J P ) = 0(3 + ) or 0(1 + ), and the other at ∼2260 MeV with I ( J P ) = 1(3 − ) or 1(2 − ).

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