PARTICLE FLUX CALCULATION-III

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Presentation transcript:

PARTICLE FLUX CALCULATION-III Sergei Striganov Fermilab May 24, 2006

Detector positions and particle fluxes per pulse (3 1013 protons). neutrons (E>100 keV) charged hadrons (E>200 keV)

Detector positions and particle fluxes per pulse (3 1013 protons). electrons (E>200 keV) gammas (E>200 keV)

Energy spectra ( 0 degree detector) Energy spectra ( 0 degree detector). Blue lines – all particles, red lines- particles created in attenuator.

Energy spectra ( 6. 7 degree detector) Energy spectra ( 6.7 degree detector). Blue lines – all particles, red lines- particles created in attenuator.

Energy spectra ( 11. 5 degree detector) Energy spectra ( 11.5 degree detector). Blue lines – all particles, red lines- particles created in attenuator.

Energy spectra ( 45 degree detector) Energy spectra ( 45 degree detector). Blue lines – all particles, red lines- particles created in attenuator.

Particle fluxes per pulse (3 1013 protons). Charged pions (p>5GeV/c) Electrons (p>18 MeV/c)

gammas (E>200 keV) neutrons (E>100 keV) Neutral particles background. Particle fluxes per pulse (3 1013 protons). gammas (E>200 keV) neutrons (E>100 keV)

Shielding efficiency. Electron flux (p>18MeV/c) per pulse (3 1013 protons). 4 cm Pb shield 1cm Pb shield

Energy spectra

Electrons and charged pions in cherenkov detector

Conclusions To estimate signal/background ratio in scintillator detectors we need to specify efficiency of detector as function of energy and particle type It is possible to obtain reasonable signal/background ratio in cherenkov detector using lead shielding. More detailed calculations (including simulation of cherenkov light?) is needed.