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Article overview
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Search for narrow six-quark states in the reactions $gamma d o pigamma nn$ | | L.V. Fil'kov
; V.L. Kashevarov
; M. Ostrick
; | | Date: |
30 Oct 2013 | | Abstract: | We study the reactions $gamma d opigamma NN$ with the aim to search for
six-quark states, the decay of which into two nucleons is forbidden by the
Pauli exclusion principle. These states with the masses $M<2m_N+m_{pi}$ should
mainly decay by emitting a photon. This is a new class of metastable six-quark
states with the decay widths $<< 1$keV. The recent experiment at Proton Linear
Accelerator of INR (Moscow) suggests a possibility of the existence of such
states with masses 1904, 1926, and 1942 MeV. The proposed experiment at MAMI-C
could provide an unique opportunity to observe such dibaryon states in mass
region up to 2000 MeV and determine their masses and quantum numbers. | | Source: | arXiv, 1310.8228 | | Services: | Forum | Review | PDF | Favorites | |
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