KS A ISO 8529-1-2002 Reference neutron radiations－Characteristics and methods of production《基准中子辐射 第1部分 特性和生产方法》.pdf

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1、 KS A ISO 8529 1 KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS A ISO 8529 1 : 2002 (2007 ) 2002 10 7 http:/www.kats.go.kr : ( ) ( ) ( ) KEPIC : (http:/www.standard.go.kr) ： : 2002 10 7 : 2007 10 31 2007-0953 ： ( 02-509-7270) . (http:/www.kats.go.kr) 7 5 , . ICS 17.240 KS A ISO 8529 1： 2002(2007 ) Refe

2、rence neutron radiations Characteristics and methods of production 2001 1 ISO 8529 1, Reference neutron radiations Part 1 ：Characteristics and methods of protection . 1. 20 MeV . , 1 MeV 1109m 2 s 1, 100 mSv h 1 . . KS A ISO 8529 2 KS A ISO 8529 3 . . . 4. . . 5. . , . A , ICRP 74 ICRP 57 . 2. . . .

3、 IEC ISO . ISO 8529 2： 2000, Reference neutron radiations Part 2： Calibration fundamentals of radiation protection devices related to the basic quantities characterizing the radiation field A ISO 8529 1： 2002 2 ISO 8529 3： 1998, Reference neutron radiations Part 3： Calibration of area and personal d

4、osimeters and determination of response as a function of energy and angle of incidence ICRP 74, Conversion Coefficients for use in Radiological Protection against External radiation, Annals of the ICRP, Vol. 26, No.3/4 (1996) ICRU report 33： 1980, Radiation Quantities and Units ICRU report 51： 1993,

5、 Quantities and Units in radiation Protection Dosimetry ICRU report 57： 1998, Conversion Coefficients for use in Radiological Protection Against External radiation 3. ICRU 33 51 . 3.1 da dN . dN da . aNdd= m 2 , cm 2 . 3.2 dt d . d dt (3.1) . taNt ddddd2= m 2 s 1 . 3.3 EdE d . d E E dE . EEdd = m 2

6、J 1 , cm 2 eV 1 . 3.4 Edt dE . dE dt . tEtEEddddd2= m 2 s 1 J 1 , cm 2 s 1eV 1 . 3.5 D dm d . d dm . mDdd= J kg 1 , (Gy) . 3.6 H Q D , D Q . H = QD A ISO 8529 1： 2002 3 J kg 1 , (Sv) . 3.7 H&dt dH . dH dt . tHHdd=& J kg 1 s 1 , (Sv s 1) . 3.8 h H Hh = , . KS A ISO 8529 3 . 3.9 A dt dN . dN dt . tNAd

7、d+= s 1 , (Bq) . 3.10 B dt dN * . dN * dt . tNBd*d= s 1 . 3.11 Bd dB , dB d . ddBB = s 1 sr 1 . 3.12 BEE dE dE dB , dB E E dE . EBBEdd= 1 . s 1 J 1 , s 1 eV 1 . 2. B BE . =0dEBBE l BE ( ) E(3.4) . A ISO 8529 1： 2002 4 24 lBEE = 3.13 E =0d)(1EEEEE3.14 E =0d)(1EEhEHEE , =0d)( EEhHE3.15 , M ( ) MR = “

8、” ( H ) HMRH= 4. 4.1 . 4.2 4.2.1 1 . 1 . . (4.2.2 ) (4.4 ). 252Cf . 20 5 % . 1 Pu Be(, n) Am Li(, n) . . A ISO 8529 1： 2002 5 1 (1), (2) (1), (2) (3) (3) (2) a(4)MeV MeV s 1 kg 1pSv cm2252Cf(D2O )(5) 2.65 0.55 2.1 2.110150.18 105 252Cf 2.65 2.13 2.3 2.410150.05(6)385 s 1 Bq 1241Am B(, n) 432 2.72 2.

9、8 1.610 524 keV ) . 3He . 5.4 5.4.1 3.5 MeV 2 2 . 2.8 MeV 14.8 MeV . . 5.4.2 12 13 . . . A ISO 8529 1： 2002 9 . 20 . 5.4.3 . . “ ” . . 0 144 keV 250 keV T(p,n) 3He . . T(d,n) , D(d,n) . 0 53 keV 650 keV . 1 2 . 5.4.4 . a) b) c) 1/l2 (l ) . 0 . (4.6 ), . 5.4.5 . a) ( , , ) b) c) d) , ( , ) . . . A IS

10、O 8529 1： 2002 10 A() A.1 1 A.1 A.4 . Ei Ei 1 . Bi . +=1diiEEEiEBB Bi 252Cf 4.3.2 . 241Am Be(,n) 241Am B(, n) . En= 0 MeV 0 . D2O 252Cf Monte Carlo 2 15 cm . A.1 A.4 Bi i Ei . . B = 1 s 1 . =niisB111 241Am Be(,n), 241Am B(,n) 252Cf . D2O 252Cf 11.5 % , . 0.885 s 1 . A.1 A.4 Ea Eb . =1baabiBEEB A.2 ,

11、 . ( ) . ( ) BE = dB/dE E , E E , dB/d(ln E/E0) ( “lethargy plots” . E0 1 .) d(ln x) = dx/x dB/d(ln E/E0)=E dB/dE = E BE . =2121)/d()(d)(EEEEEEEEEBEEEB A.1 A.4 E BE( ) , En( ) . . BE= B/E= Bi/(Ei 1 Ei) . A.1 A.4 A ISO 8529 1： 2002 11 En BE= Bi/ln(Bi 1/Ei) . En BE= Bi/ln(Ei 1/Ei) A.1 ( 1 ) D2O 252Cf

12、Ei(MeV) Bi(s 1) Ei(MeV) Bi(s 1) 4.1410 71.9010 27.0010 16.7810 31.0010 66.3110 28.0010 15.7510 31.0010 56.0410 29.0010 13.5710 35.0010 53.1710 21.001007.4810 31.0010 43.4110 21.201008.4310 32.0010 43.8210 21.401009.1310 34.0010 43.2810 21.601008.5510 37.0010 42.2410 21.801008.0710 31.0010 37.5610 22

13、.001001.3410 23.0010 35.0910 22.301001.4510 26.0010 33.7910 22.601001.4910 21.0010 25.4710 23.001001.2310 22.0010 25.1210 23.501008.1910 34.0010 22.9610 24.001008.1010 36.0010 22.0010 24.501006.5410 38.0010 21.4510 25.001008.7010 31.0010 12.4710 26.001004.9310 31.5010 11.5910 27.001002.4210 32.0010

14、11.1410 28.001001.3010 32.5010 18.9010 39.001007.6610 33.0010 16.5710 31.001014.4310 43.5010 14.8910 31.101011.6210 44.0010 12.6510 31.201011.2410 44.5010 13.1410 31.301015.9310 55.0010 14.2010 31.401012.8310 55.5010 14.1210 31.501016.0010 17.8310 3A ISO 8529 1： 2002 12 A.2 252Cf Ei(MeV) Bi(s 1) Ei(

15、MeV) Bi(s 1) 4.1410 73.1010 107.0010 13.3910 21.0010 61.1110 88.0010 13.3710 21.0010 51.2710 79.0010 13.3310 25.0010 52.7610 71.001006.4610 21.0010 47.8210 71.201006.1210 22.0010 42.2110 61.401005.7310 24.0010 44.5310 61.601005.3110 27.0010 45.6810 61.801004.8810 21.0010 35.5110 52.001006.5510 23.00

16、10 31.2810 42.301005.6710 26.0010 32.3010 42.601006.3310 21.0010 27.7410 43.001006.2110 22.0010 22.1710 33.501004.6810 24.0010 22.8010 34.001003.4910 26.0010 23.2910 34.501002.5810 28.0010 23.6810 35.001003.3010 21.0010 11.0510 26.001001.7410 21.5010 11.2110 27.001009.0110 32.0010 11.3310 28.001004.

17、6110 32.5010 11.4210 29.001002.3310 33.0010 11.4910 21.001011.1710 33.5010 11.5510 21.101015.8310 44.0010 11.6010 21.201012.8810 44.5010 11.6310 21.301011.4210 45.0010 11.6610 21.401016.9410 55.5010 11.6810 21.501016.0010 13.3810 2A ISO 8529 1： 2002 13 A.3 241AmB( ,n) Ei(MeV) Bi(s 1) Ei(MeV) Bi(s 1)

18、 4.1410 71.7510 23.981001.9810 28.2010 11.1310 24.131001.7210 21.091008.07E 03 4.271001.4510 21.34E1002.1010 24.411009.9710 31.56E1004.5410 24.551007.4610 31.781006.3110 24.691003.4110 31.981007.9910 24.831002.1910 32.171008.9010 24.961001.1610 32.361009.2610 25.091003.0310 42.541009.6510 25.221002.

19、6810 42.721008.3 10 25.351002.3610 42.891007.0610 25.481001.1510 43.051006.6710 25.611001.4510 43.221004.9910 25.741001.3910 43.381004.0210 25.861002.7810 43.531003.1710 25.981001.7810 43.681003.0310 26.111002.9110 43.831002.5210 26.19100A ISO 8529 1： 2002 14 A.4 241AmBe( ,n) Ei(MeV) Bi(s 1) Ei(MeV)

20、 Bi(s 1) 4.1410 71.4410 25.681002.0610 21.1010 13.3410 25.891001.8210 23.3010 13.1310 26.111001.7710 25.4010 12.8110 26.321002.0410 27.5010 12.5010 26.541001.8310 29.7010 12.1410 26.751001.6310 21.181001.9810 26.961001.6810 21.401001.7510 27.181001.6810 21.611001.9210 27.391001.8810 21.821002.2310 2

21、7.611001.8410 22.041002.1510 27.821001.6910 22.251002.2510 28.031001.4410 22.471002.2810 28.251009.6810 32.681002.9510 28.461006.5210 32.901003.5610 28.681004.2610 33.111003.6910 28.891003.6710 33.321003.4610 29.111003.8110 33.541003.0710 29.321005.0610 33.751003.0010 29.531006.2510 33.971002.6910 2

22、9.751005.5210 34.181002.8610 29.961004.6810 34.391003.1810 21.021013.7010 34.611003.0710 21.041012.7810 34.821003.3310 21.061011.5110 35.041003.0410 21.081013.6310 45.251002.7410 21.101015.471002.3310 2A ISO 8529 1： 2002 15 A.1 252Cf 150 mm D2O A.2 252Cf A ISO 8529 1： 2002 16 A.3 241AmB(,n) A.4 241AmBe( ,n) A ISO 8529 1： 2002 17 B() . 4.4 1 . , . C.1 C.2 . B.1 B/4 252Cf ( ：6 mm 4.6 mm ) A ISO 8529 1： 2002 18 B.2 B/4 252Cf ( ：30 mm 3 mm ) A ISO 8529 1： 2002 19 C() “ ” “ ”, 0 . =Cd02/100d)(EEEEEE E： ECd： E： E0： 0.025 3 eV ( = 2