Charge resolution of plastic track detectors used to identify relativistic nuclei
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TLDR
In this paper, the authors present measurements of charge resolution in the plastic track detectors CR39(DOP) and Tuffak polycarbonate over the region 10≤ Z β ≤105, determined from plastic stacks exposed to projectile fragments of 1.29 GeV u 139La, 1.45 GV u 84Kr, and 1.70 Gv u 56Fe produced by nuclear interactions within the stacks.Abstract:
We present measurements of charge resolution in the plastic track detectors CR39(DOP) and Tuffak polycarbonate over the region 10≤ Z β ≤105 , determined from plastic stacks exposed to projectile fragments of 1.29 GeV u 139La, 1.45 GeV u 84Kr, and 1.70 GeV u 56Fe produced by nuclear interactions within the stacks, and to 0.96 GeV u 238U and 1.0 GeV u 197Au ions. The charge resolution obtained is shown to be comparable to the irreducible limit set by fluctuations in energy loss and is consistent with that expected of a track-formation model based on the effects of both K-shell ionization and restricted energy loss.read more
Citations
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Characteristics of cronar polyethylene terephthalate track detectors
TL;DR: In this paper, the authors used the LBL Bevalac detector for the study of ultra-heavy cosmic rays and reported measurements of its response curve, its charge resolution, its track-fading behavior, and the dependence of the response on ambient temperature.
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VG-13: A nuclear-track-recording glass detector with uniquely high resolution
TL;DR: In this paper, the tracks of relativistic heavy nuclei as light as lanthanum (Z = 57) can be revealed in VG-13, a commercially available phosphate glass, by etching it in fluoboric, nitric or hydrofluoric acid.
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Advances in solid state nuclear track detectors
TL;DR: Several types of commercially available phosphate glasses with a wide range of sensitivities have recently been developed. CR-39 and BP-1 have been used to study a number of topics in atomic and nuclear physics including charge pickup in relativistic nucleus-nucleus reactions.
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Dependence of response of plastic track detectors on post-irradiation aging time, temperature, and atmosphere
P. B. Price,J. Drach +1 more
TL;DR: In this paper, the response of a plastic track detector to an energetic charged particle depends not only on ionization rate but also on the aging time between irradiation and chemical etching, on the ambient temperature during aging, and on the atmosphere during aging.
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Improvement of charge resolution for high Z/β particles in CR-39 nuclear track detectors by means of two-step etching technique
Satoshi Kodaira,S. Naka,Nakahiro Yasuda,Hajime Kawashima,M. Kurano,Syuya Ota,Y. Ideguchi,Nobuyuki Hasebe,Kouichi Ogura +8 more
TL;DR: In this paper, a two-step etching method of the combination of pre-etching with PEW (Potassium hydroxide+Ethanol+Water) solution and post-etch with NaOH solution was used for charge resolution for high Z/β particles in CR-39 nuclear track detectors.
References
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Penetration of protons, alpha particles, and mesons
TL;DR: The theory of energy loss, the mean excitation energy, inner shell corrections, energy straggling, multiple scattering effects, and phenomena associated with particle tracks are discussed in this paper.
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Theoretical and experimental aspects of the energy loss of relativistic heavily ionizing particles
TL;DR: In this article, the theory of the electromagnetic interactions between rapidly moving charged particles and the matter through which they pass is reviewed and the stopping power of the projectile and the response of the absorbing medium to the excitation caused by the projectile is considered.
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Momentum distributions of isotopes produced by fragmentation of relativistic C-12 and O-16 projectiles
TL;DR: In this paper, the nuclear temperature is inferred from the momentum distributions of the fragments and is approximately equal to the projectile nuclear binding energy, indicative of small energy transfer between target and fragment, and the fragment momentum distributions in the projectile rest frame are typically, Gaussian shaped, narrow, consistent with isotropy, depend on fragment and projectile, and have no significant correlation with target mass or beam energy.