Speaker
Description
The ACCULINNA-2 fragment separator at the Flerov Laboratory of Nuclear Reactions (FLNR, JINR) is developed to study the properties of light exotic nuclei at the boundaries of nuclear stability in reactions with beams of light radioactive ions up to energies of 50 AMeV. Multilayer $\Delta E$-$E$ telescopes are often used for identifying reaction products and measuring their momenta. Heavy inorganic scintillators typically form the $E$ layer, where the energy deposited by the fully stopped ions should be measured. In our setup, arrays of CsI(Tl) and LYSO scintillation crystals are employed. The light output per 1 MeV of energy loss is not constant for both CsI(Tl) and LYSO and depends on the charge, mass, and energy of the ion. Parameterization of the light output and energy calibration of the scintillators is necessary for data processing. The data acquired in the experiment devoted to the study of cluster structures in neutron-rich $^{10,12}\mathrm{Be}$ via $^{10,12}\mathrm{Be}(d,^6\mathrm{Li})^{6,8}\mathrm{He}$ transfer reactions in inverse kinematics were used for characterization of the CsI(Tl) and LYSO scintillation detectors. The methods developed for measuring the thickness of the $\Delta E$ layer by analyzing the elastic scattering peak of a beam ion, as well as for separation of ion species on a $\Delta E$-$E$ identification plot, will be reported. Additionally, the results of light output parameterization and calibration for the CsI(Tl) and LYSO scintillators will be presented. The methods and results obtained here are applicable for many other experiments where the CsI and LYSO scintillators can be used.
| Minioral | Yes |
|---|---|
| IEEE Member | No |
| Are you a student? | Yes |