Abstract
This work focuses on the experimental search and characterisation of the super-heavy 7H, using a one-proton transfer reaction 12C(8He,7H)13N. A 8He primary beam at 15.4 A MeV was delivered by the GANIL-SPIRAL facility and impinged on a gaseous carbon target, the active target MAYA, where 7H was produced and detected. 7H was observed as a resonance 0.57+0.42-0.21 MeV above the 3H+4n subsystem mass, with an associated width of 0.09+0.94-0.06 MeV. The differential cross-section of 7H production for the 12C(8He,7H)13N reaction yields 40.1+58.0-30.6 μb/sr. This experiment demonstrates the advantage of using the active target technique particularly well suited for the detection of low energy residues.
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