Physics
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001nimpa.466..427a&link_type=abstract
Nuclear Instruments and Methods in Physics Research Section A, Volume 466, Issue 3, p. 427-435.
Physics
2
Scientific paper
The reaction products emitted in the 14N(45AMeV)+(CH2/CD2) interactions are identified by a /ΔE(Si)-/E(Scintillator/Photodiode) telescope by the conventional /ΔE-/E method. The position of ``jumps'' in the amplitude of the photodiode signal for ions passing through the scintillator (Sci) is used to calibrate on-beam both the /ΔE and the Sci/PD scales in MeV. The accuracy of an absolute energy calibration is better than 2.3% and 1.8% for CsI(Tl) and GSO(Ce) detectors, respectively. It is defined mostly by the correctness of the range-energy relations of ions in the Si and Sci crystals. The light response function, /L(E,Z,A), of isotopes up to /Z(A)=8(16) in the range of energy ~(2.5-60)AMeV is extracted. The effects of doping concentration and pulse shaping on the light response are analyzed. The validity of the existing empirical light-energy relations is checked in a wide interval of ion energies and a new power law relation is proposed. Calculations of the response function based on the Murray-Mayer model are found to be in excellent agreement with experimental data for the CsI(Tl) crystal.
Avdeichikov V. V.
Jakobsson Björn
Nikitin Alexei V.
Nomokonov P. V.
van Veldhuizen E. J.
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