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Discovery of eta-mesic nuclei

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arxiv nucl-ex/0111020 v1 pith:CMFV7WS7 submitted 2001-11-30 nucl-ex

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keywords eta-mesicnucleibeamenergywereabovebelowbremsstrahlung
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First experimental results from a photoreaction which confirm an existence of eta-mesic nuclei are discussed. The experiment was performed at the 1 GeV electron synchrotron of LPI. Two values of the end-point energy of the bremsstrahlung beam were used, 650 and 850 MeV (below and above eta-photoproduction threshold on the nucleon). Correlated pi+ n pairs flying from the 12C target were detected by two TOF scintillator spectrometers placed in opposite directions and transversely to the gamma beam. Measured energy spectra provide a strong evidence for a creation of eta-mesic nuclei as intermediate states of the reaction studied.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Non-mesonic decay of the $\eta$-mesic $^{3}\hspace{-0.03cm}\mbox{He}$ via $pd\rightarrow(^{3}\hspace{-0.03cm}\mbox{He}$-$\eta)_{bound}\rightarrow$ $^{3}\hspace{-0.03cm}\mbox{He} 2\gamma (6\gamma$) reaction

    nucl-ex 2019-08 conditional novelty 5.0 of 10

    A theoretical model computes the Fermi momentum distribution and in-medium branching ratios for the non-mesonic decay of an eta-mesic helium-3 bound state through eta to 2gamma and eta to 3pi0 channels.

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