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6 P. Physics Letters B 820 (2021) 136460 In the events of peripheral dissociation of relativistic nuclei in the nuclear track emulsion,
it is possible to study the emerging ensembles of 
and  nuclei, including those from decays of unstable 
and  nuclei, as well as the Hoyle state.
These extremely short-lived states are identified by invariant masses calculated from the angles in  -pairs,
 -and  -triplets in the approximation of conservation of momentum per nucleon of
the primary nucleus. In the same approach, it is possible to search for more complex states.
This paper explores the correlation between the formation of nuclei and
the multiplicity of accompanying  -particles in the dissociation of relativistic
 ,  ,
 , and  nuclei.
On the above basis, estimates of this correlation are presented for the unstable nucleus
and the Hoyle state. The enhancement in the contribution to dissociation with
the -particle multiplicity has been found. Decays of nuclei and Hoyle states follow the same trend.
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