Chinese Physics C > 1995, Vol. 19 > Issue(4): 377-384

Use of MORSE Program to Calculate Skyshine

Wu Jingmin^,,
Sun Yue

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

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Abstract：
The neutron dose equivalent produced by skyshine was calculated using MORSE program. For these calculations, the neutron sourse was enclosed in a hollow concrete cylinder. There were two cases, one was the cylinder with concrete roof shielding, the other was without a roof. The sourse energies of 2.38 MeV, 14 MeV and giant resonance (G. R) neutron were calculated separately. We have compared the effects of different models, such as different sourse emission solid angle and different scattering media. The results can be applied for the estimation of radiological impact to invironment and the design of radiation protection on the particle accelerators and other nuclear facilities.

References

[1]

A.Rindi,R.H.Thomas,Skyshine-APaperTiger:ParticleAccelerators.Vol.7,pgs.23-39（1975）.[2]G.R.Stevanson,EstimationofRadiationIntensitiesatLargeDistancesfromLossAreas.CERN,LabII,InternalDocumentRA/note72-10,June14,（1972）.[3]T.A.Gabriel,TheMethodsandApplicationsofMonte-CarloinLowEnergy（≤20MeV）Neutron-PhotonTransport（MORSE）ComputerTechniquesInRadiationTransportandDosimetrybyW.R.Nelson,T.M.Jenkius.NewYorkandLondon,1980.[4]H.WadePatterson,R.H.Thomas,AcceleratorHealthPhysics.Chapter6,pgs.437-443.AcademicPress,NewYorkandLondon,（1973）.[5]J.B.McCaslin,EffectofNeutronScatteringontheCalculationofModeratedBF3Detectors,HealthPhysicsNote#57.December（1976）.

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Wu Jingmin and Sun Yue. Use of MORSE Program to Calculate Skyshine[J]. Chinese Physics C, 1995, 19(4): 377-384.

Wu Jingmin and Sun Yue. Use of MORSE Program to Calculate Skyshine[J]. Chinese Physics C, 1995, 19(4): 377-384. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Use of MORSE Program to Calculate Skyshine

Wu Jingmin^,
Sun Yue

Corresponding author:Wu Jingmin,

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1995-04-05

Abstract:The neutron dose equivalent produced by skyshine was calculated using MORSE program. For these calculations, the neutron sourse was enclosed in a hollow concrete cylinder. There were two cases, one was the cylinder with concrete roof shielding, the other was without a roof. The sourse energies of 2.38 MeV, 14 MeV and giant resonance (G. R) neutron were calculated separately. We have compared the effects of different models, such as different sourse emission solid angle and different scattering media. The results can be applied for the estimation of radiological impact to invironment and the design of radiation protection on the particle accelerators and other nuclear facilities.