Final state interaction or a 3H excited state?

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2003
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American Physical Society
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An inclusive a-particle spectrum from the 1H(6He,a) reaction has been measured at a 6He laboratory energy of 23.9 MeV. A resonancelike structure is observed at an a-particle lab energy of about 20 MeV, which corresponds to an energy of End50.6 MeV in the n-d channel. An analysis of the spectrum shows that it cannot be explained by the effect of binary final-state interactions. The hypotheses that this structure represents ~a! a new excited state of tritium or ~b! a three-body final-state interaction are discussed.
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Kolata, J., Goldberg, V., Grigorenko, L., Becchetti Jr, F., Deyoung, P., Hinnefeld, J., Lamm, L., Lupton, J., O’Doonnell, T., Roberts, D., & Shaheen, S. (2003). "Final state interaction or a 3H excited state?" Physical Review C, 68, 024602. Aug. 15, 2003
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