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New high precision study on the decay width of the Hoyle state in C-12

Rana, T K; Bhattacharya, S; Bhattacharya, C; Manna, Sumanta K.; Kundu, Samir; Banerjee, Kaushik; Pandey, R; Roy, Pratap; Dhal, A; Mukherjee, G; Srivastava, Vishal

Description

Precise estimation of the rare direct 3α decay of the Hoyle state of 12C has been made to unveil its unusual α-cluster configurations ranging from linear 3α chain structure to diffuse Bose gas as well as Bose Einstein condensate. The present new high precision, nearly zero background experimental study with Hoyle events has converged on the upper limit for direct decay at ∼0.019% with 95% confidence limit, which is more than a factor of 2 lower than the limit obtained in the previous studies.

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/202403
Source: Physics Letters B
DOI: 10.1016/j.physletb.2019.04.028
Access Rights: Open Access

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