Application of Nuclear Track Emulsion in Search for the Hoyle State in Dissociation of Relativistic 12C Nuclei

In dissociation in nuclear track emulsion of 4.5 and 1 A GeV/ c 12 C nuclei, the formation of triplets of α particles in the Hoyle state (the second excited state 0 + ) is observed. This state is identified by the invariant mass, calculated from pair angles in the α triples in approximation of conse...

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Veröffentlicht in:Physics of atomic nuclei 2018, Vol.81 (9), p.1237-1243
Hauptverfasser: Zaitsev, A. A., Zarubin, P. I.
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description In dissociation in nuclear track emulsion of 4.5 and 1 A GeV/ c 12 C nuclei, the formation of triplets of α particles in the Hoyle state (the second excited state 0 + ) is observed. This state is identified by the invariant mass, calculated from pair angles in the α triples in approximation of conservation of momentum per nucleon of the parent nucleus. An estimate of the contribution of the Hoyle state to the dissociation of 12 C→ 3α is 10–15%.
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subjects Alpha particles
Alpha rays
Carbon 12
Nuclei
Particle and Nuclear Physics
Physics
Physics and Astronomy
Technology of Nuclear Materials
title Application of Nuclear Track Emulsion in Search for the Hoyle State in Dissociation of Relativistic 12C Nuclei
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