Pionic fusion study of the 6He halo

Andersson, Mathias H.; Bargholtz, Christoph; Fransson, K.; Fumero, E.; Gerén, L.; Holmberg, L.; Lindh, K.; Mårtensson, L.; Sitnikova, I.; Tegnér, P. E.; Weiß, G.; Wilhelmsen, Katarina

doi:10.1016/j.nuclphysa.2006.09.002

Cited by 4 publications

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“…with a total charge of +3. A hypothesis is proposed, suggesting that a sharp structure observed in the excitation function of a pionic fusion reaction [12] may be accounted for by the formation of a πN N α resonance.…”

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confidence: 99%

“…Hint of a Resonance Near the 6 Li(3.563) + π 0 Threshold The pionic fusion, i.e. nuclear fusion resulting in coherent pion production, of a deuteron and an alpha particle was investigated at the CELSIUS storage ring facility in Uppsala, Sweden [12,20]. The total cross section and the forward-backward asymmetry were supposed to be sensitive to the cluster structure of 6 He g.s.…”

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confidence: 99%

“…In Ref. [12], the possibility of "a second source of 6 Li ions with (or mimicking) a more symmetric distribution in the c.m. frame" was pointed out.…”

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confidence: 99%

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Feasibility of an experimental search for a resonance of a pion and a light nucleus

Fujioka

2021

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A hypothesis is proposed herein, suggesting that a pion-nuclear resonance may be observed in the α + d → 6 Li(3.563) + π 0 reaction. The resonance has a πN N α structure, containing αN N and πN N subsystems. The former corresponds to the A = 6 isotriplet ( 6 He g.s. , 6 Li(3.563), 6 Be g.s. ), whereas the latter is a hypothetical N N -decoupled dibaryon. This resonance may be populated using the 7 Li(p, d) reaction.

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confidence: 99%

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confidence: 99%