Open AccessSearch for 10He in the stopped pion absorption 14C(π−, p 3He)X
Author(s) -
B. A. Chernyshev,
Yu. B. Gurov,
S. V. Lapushkin,
T. I. Leonova,
V. G. Sandukovsky,
T. D. Schurenkova,
M. V. Tel’kushev
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1690/1/012030
Subject(s) - pion , nuclear reaction , physics , absorption (acoustics) , impurity , excitation , isotope , atomic physics , analytical chemistry (journal) , nuclear physics , chemistry , optics , quantum mechanics , chromatography
The formation of the 10 He states was studied in the reaction of stopped pion absorption 14 C(π − , p 3 He)X. Measurements were carried out using two-arm multilayer semiconductor spectrometer and “radioactive” target consisting of 76% 14 C and 23% 12 C. The contribution of uncontrolled impurities in the target was ≤ 1%. In order to determine the contribution of the 12 C impurity measurements were performed on an isotope pure carbon 12 C target. An indication on the excitation state with E x ~ 6 MeV ( E r ~ 7 MeV) was observed in missing mass spectrum of 14 C(π − , p 3 He)X reaction. Comparison with theoretical and experimental results obtained by other authors was performed.