Response of pilot U scintillator to heavy ions (original) (raw)
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Energy-light relation for CsI(T1) scintillators in heavy ion experiments at intermediate energies
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1994
In this paper an original energy relation for light scintillation in a CsI(TI) detector is established. It is dependent on the charge and mass of the particle (fragment) and is a direct light-to-energy function suitable for the calibration of CsI(T1) detectors used in heavy-ion studies at intermediate energies. Resulting calibration with this function and energy spectra for light ions, obtained from a heavy ion experiment, are presented.
Light output measurements of C6H6 and C6H12 scintillators for protons
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1995
Light output of C,H, and C,H,, proton scintillators has been measured for neutrons using a 24'Am-Be source. In these measurements the energy of the neutrons (recoil protons) was measured using time-of-flight technique. The light output of the C,H, scintillator was measured for seven proton energies ranging from 2.185 to 4.236 MeV while that of the C6H,, scintillator was measured for eight neutron energies ranging from 2.201 to 5.147 MeV. The measured light output data of the C,H, scintillator is in good agreement with the published data. Additionally the proton and deuteron response ratio of a C,D, scintillator identical in shape and size was derived from these measurements. The response ratio of the C,D, scintillator agrees with the published data.
IEEE Transactions on Nuclear Science, 2012
The dependence of the CsI(Tl) scintillation time constants and intensities on the particle ionization profile is at the basis of the Charge and Mass identification technique for Light Charged Products in Intermediate Energy Nuclear Physics multi-detector arrays. The possibility of storing the digitized waveforms in true beam experiments allows performing further offline analyses and makes available a data set related to the interaction of different particle types in a wide energy range. We propose the direct least-square fitting of the baseline subtracted output waveforms as a method for the determination of the four-vector defining the CsI(Tl) scintillator light output as a function of the particle energy, mass and charge. In the present work we investigate the dependence of the four-vector on the energy deposited in the CsI(Tl) crystal in the range 10 MeV-240 MeV for isotopes with and also for ions with-with no isotopic dependence-through the analysis of the waveform data set Manuscript
Light output response of KamLAND liquid scintillator for protons and 12C nuclei
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
The light output responses for protons and carbon nuclei in the KamLAND liquid scintillator were precisely measured using a monochromatic neutron beam. The observed response for proton recoils is well described by Birks formula with the higher-order correction, for the recoil energy from 424keV to 10.5MeV. The response for carbon recoils is also well described by modifying the Birks formula with the nuclear energy loss terms, for the measured recoil energy from 171keV to 2.2MeV. The obtained light output responses were used to estimate the background energy spectrum of the C13(α,n)O16 reaction in the KamLAND. The systematic uncertainty of the energy scale in the expected background spectrum was further improved with the measured light output responses.
Systematics of Proton Emission
Physical Review Letters, 2006
A very simple formula is presented that relates the logarithm of the half-life, corrected by the centrifugal barrier, with the Coulomb parameter in proton decay processes. The corresponding experimental data lie on two straight lines which appear as a result of a sudden change in the nuclear shape marking two regions of deformation independently of the angular momentum of the outgoing proton. This feature provides a powerful tool to assign experimentally quantum numbers in proton emitters.
Particle emission in light and heavy ion reactions
Nuclear Physics A, 1983
... Q, involved into central Ar+KCl collisions Q = n^t - 2 n^- - (rip^ n^ ) (?) where n^ and nn-are the number of all charged particles and negative pions, npry is the number of leading fragments tra-velling with the ... H.Stocker, Lawrence Berkeley Laboratory preprint No 12302 (1981). ...
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1990
The luminescent response of a CsI(Tl) crystal has been determined for light and heavy ions (Z I 14) with energies up to 800 MeV. These fragments were produced in a 2sSi + 28Si reaction at beam energies between 22 and 35 MeV/nucleon. A nonlinear response was observed over the entire energy range. A parametrization of the light output, L(2, E), is given. The scintillator response was found to be proportional to E'.3 for Z 2 3. The scintillation efficiency has been determined. The overall features can be described within an existing model, if the effect of secondary electrons is taken into account.
Calibration of the response function of CsI(Tl) scintillators to intermediate-energy heavy ions
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1992
The response function of 2-cm-thick CsI(Tl) scintillators with photodiode readouts were studied by directly exposing the detectors to beams of heavy ions (2< Z :!g 36) with energy up to 25 MeV/u. The dependence of the light output on tine energy (E) as well as on the atomic number and the mass of the ion is analyzed and discussed, and a parameterization of the light output as a function of Z and E is proposed.