Nuclear track emulsion (NTE) is used at the JINR Nuclotron in the BECQUEREL experiment to study the clustering in light stable and radioactive nuclei in the relativistic approach. The identification of the relativistic decays of 8Be and 9B pointed out the possibility to search for triples of α particles in the Hoyle state (HS) in the relativistic dissociation .. 8Be and HS are considered as the simplest states of the α-particle Bose - Einstein condensate. The 6th excited state 0 + 6 of the 16O nucleus is considered as a 4α-condensate. These observations indicate the possibility of their manifestation of dissociation of medium and heavy nuclei. In addition, the 9B and HS nuclei can serve as bases in the nuclear molecules. It is hoped that the rapid progress in image analysis will give a whole new dimension to the use of the NTE method in the study of nuclear structure in the relativistic approach. The solution of the tasks set requires investment in modern automated microscopes and the reconstruction of NTE technology at a modern level. At the same time, such a development will be based on the classical NTE method.
NTE allows one to study production of such ensembles in full with record angular resolution and identification He and H isotopes. Electronic experiments in this direction run into fundamental difficulties. Therefore, the NTE method retains its uniqueness as the composition analysis tool in the relativistic fragmentation cone. The experiment is based on own capabilities of developing NTE layers and measurements of nuclear interactions on microscopes keeping the "world monopoly" on information about multi-particle relativistic nuclear ensembles.