Temat: 29.40.Cs - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Monte Carlo simulations of resistive plate chamber for 0.511 MeV photon with FLUKA
Autorzy:: Demir, N.
Aydın, A.
Powiązania:: https://bibliotekanauki.pl/articles/1070435.pdf
Data publikacji:: 2016-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 29.40.Cs
29.40.Gx
05.10.Ln
Opis:: We report the simulation results of resistive plate chamber for 0.511 MeV photons using FLUKA code. The efficiency of resistive plate chamber is directly related to the number of electrons produced in the gas gap. Therefore, the type of converter materials and thickness are important parameters for resistive plate chamber detection performance. In this work, the FLUKA based simulations for parallel and isotropic photons were operated for detection efficiency by choosing different converter materials and thicknesses.
Źródło:: Acta Physica Polonica A; 2016, 130, 1; 466-468
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Time-of-Flight Positron Emission Tomography with Resistive Plate Chamber Detectors: An Unlikely but Promising Approach
Autorzy:: Couceiro, M.
Crespo, P.
Blanco, A.
Ferreira, N.
Mendes, L.
Ferreira Marques, R.
Fonte, P.
Powiązania:: https://bibliotekanauki.pl/articles/1402607.pdf
Data publikacji:: 2015-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 87.57.uk
29.40.Cs
87.57.cf
87.57.cm
Opis:: The cost-effectiveness of resistive plate chamber detectors and their very good timing characteristics, open the possibility to build affordable time-of-flight positron emission tomography systems with a large axial field-of-view. Simulations suggest that, under reasonable assumptions, the absolute 3D true sensitivity, spatial resolution, and noise equivalent count rate of such systems for human whole-body screening, may exceed that of present crystal-based PET technology. However, due to the lack of energy resolution, although having energy sensitivity, the scatter fraction is expected to be considerably higher than that presented by crystal-based PET scanners. In the present paper, the simulation work done so far to access the expected performance of a resistive plate chamber time-of-flight-PET system with 2400 mm length axial field-of-view, a time resolution of 300 ps full width at half maximum for photons pairs, and depth-of-interaction information, will be revised.
Źródło:: Acta Physica Polonica A; 2015, 127, 5; 1453-1461
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Application of Straw Tube Detectors to Hyperon Studies
Autorzy:: Jowzaee, S.
Powiązania:: https://bibliotekanauki.pl/articles/1402634.pdf
Data publikacji:: 2015-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 14.20.Jn
13.75.Cs
29.40.Gx
Opis:: A high statistics measurement of the p̅p → pK⁺Λ reaction was done with the COSY-TOF experiment. The proton beam was polarized up to more than 80%, and its momentum was 2.95 GeV/c. The reconstruction of the pK⁺Λ events was done only with the straw tube tracker due to the higher spatial resolution of the straw tube tracker compared to other subdetectors. The Dalitz plot of the pK⁺Λ events was analyzed to understand the reaction mechanism and presented in this paper. The Dalitz plot shows that the COSY-TOF experiment provides complete kinematic coverage of the phase space of this reaction which made it ideal for p̅p → pK⁺Λ reaction analysis. The influence of different physical effects as pΛ final state interaction, excited nucleon states (N*-resonances) and a coupled channel effect of NΣ-pΛ (NΣ cusp effect) produce significant structures in the Dalitz plot. The angular distribution of the particles in the CMS and helicity frame was also presented in this paper.
Źródło:: Acta Physica Polonica A; 2015, 127, 5; 1531-1532
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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