ENTRY 23432 20180919 22722343200000001 SUBENT 23432001 20180919 22722343200100001 BIB 12 38 2343200100002 TITLE Neutron kerma factors for magnesium and aluminium 2343200100003 measured with low-pressure proportional counters 2343200100004 AUTHOR (G.Buehler, H.G.Menzel, H.Schuhmacher, G.Dietze, 2343200100005 S.Guldbakke) 2343200100006 INSTITUTE (2GERPTB) G.Buehler, H.G.Menzel, F.Schuhmacher 2343200100007 (2GERSBU) G.Dietze, S.Guldbakke 2343200100008 REFERENCE (J,PMB,31,601,1986) 2343200100009 (R,EUR-9762,309,1985) Prelim.results - 2343200100010 the same data for Mg at 15 MeV, for Al at 15, 17 MeV 2343200100011 as in Subents 002,003, respectively. 2343200100012 Data for C ( Subent 004). 2343200100013 REL-REF (I,,H.G.Menzel+,J,PMB,29,1537,1984) 2343200100014 Irradiation geometry. Difference method for 19 MeV. 2343200100015 FACILITY (VDG,2GERPTB) Accelerator facility 2343200100016 INC-SOURCE (D-T) 2343200100017 En,MeV 13.9 15.0 17.0 19.0 2343200100018 deltaEn,keV 70. 880. 284. 380. 2343200100019 Edeutron,keV 400. 400. 1236. 2694. 2343200100020 deltaEdeutrom,keV 400. 400. 176. 290. 2343200100021 F0/Q,1/cm2/muC 8736. 9465. 1154. 4199. 2343200100022 F/Q,1/cm2/muC 9094. 9853. 1771. 4516. 2343200100023 (F-F0)/F0 0.041 0.041 0.535 0.075 2343200100024 F0 - fluence of neutron with nominal energy, 2343200100025 F - total neutron fluence, 2343200100026 Q - deuteron beam charge. 2343200100027 METHOD (TOF,PSD) .For neutron spectra . 2343200100028 DETECTOR (PROPC) Spherical low pressure proportional counters 2343200100029 LET 1/2, Far West Technology, Goleta, USA, of Rossi 2343200100030 type. Counter walls of 1.27 mm Al or Mg (equivalent to 2343200100031 0.343 g/cm2 of Al, 0.216 g/cm2 of Mg). 2343200100032 Calibration by 244Cm alpha source. 2343200100033 (TELES,SCIN) Proton recoil telescope and NE213 liquid 2343200100034 scintillator - to determine the neutron fluence and 2343200100035 nominal neutron energy. 2343200100036 ANALYSIS .Kerma factors are derived from absorbed dose. 2343200100037 CORRECTION Backgrounds. 2343200100038 Neutron fluence attenuation 2343200100039 HISTORY (20180919C) M.M. 2343200100040 ENDBIB 38 0 2343200100041 NOCOMMON 0 0 2343200100042 ENDSUBENT 41 0 2343200199999 SUBENT 23432002 20180919 22722343200200001 BIB 5 16 2343200200002 REACTION (12-MG-0(N,TOT),,KER) Kerma factor 2343200200003 REL-REF (A,,E.Goldberg+,R,UCID-17789,1,1978) Experimental 2343200200004 (1.52+-0.5)*10**-11 Gy*cm2 at 15 MeV 2343200200005 (A,,P.J.Dimbylow,J,PMB,27,989,1982) Calculation 2343200200006 (A,,P.J.Dimbylow,W,DIMBYLOW,1984) Calculation 2343200200007 (D,,R.S.Caswell+,J,RR,83,217,1980) Calculation 2343200200008 (A,,,R,ICRU-26,1977) Calculation 2343200200009 MISC-COL (MISC) K0/Q , 10**-7Gy/muC , 2343200200010 K0 - kerma, Q deuteron beam charge . 2343200200011 ERR-ANALYS (ERR-T) Total uncertainty due to: 2343200200012 (ERR-1) Uncertainty in cavity volume or mass of the gas2343200200013 (ERR-2) Uncertainty in stopping power ratio 2343200200014 (ERR-3) Uncertainty in fluence measurement 2343200200015 (ERR-4) Uncertainty in alpha-particle calibration 2343200200016 STATUS (TABLE) Table 4 of J.Phys.in Medicine and Biology,31, 2343200200017 601,1986, EN-ERR - Table 3 2343200200018 ENDBIB 16 0 2343200200019 COMMON 4 3 2343200200020 ERR-1 ERR-2 ERR-3 ERR-4 2343200200021 PER-CENT PER-CENT PER-CENT PER-CENT 2343200200022 4. 6. 4. 4. 2343200200023 ENDCOMMON 3 0 2343200200024 DATA 5 3 2343200200025 EN EN-ERR DATA ERR-T MISC 2343200200026 MEV KEV PGY*CM2 PGY*CM2 SEE TEXT 2343200200027 13.9 70. 12.3 1.1 1.02 2343200200028 15.0 880. 13.9 1.3 1.26 2343200200029 19.0 380. 17.1 1.6 0.71 2343200200030 ENDDATA 5 0 2343200200031 ENDSUBENT 30 0 2343200299999 SUBENT 23432003 20180919 22722343200300001 BIB 5 14 2343200300002 REACTION (13-AL-27(N,TOT),,KER) Kerma factor 2343200300003 REL-REF (A,,P.J.Dimbylow,J,PMB,27,989,1982) Calculation 2343200300004 (A,,P.J.Dimbylow,W,DIMBYLOW,1984) Calculation 2343200300005 (D,,R.S.Caswell+,J,RR,83,217,1980) Calculation 2343200300006 (A,,,R,ICRU-26,1977) Calculation 2343200300007 MISC-COL (MISC) K0/Q , 10**-7Gy/muC , 2343200300008 K0 - kerma, Q deuteron beam charge . 2343200300009 ERR-ANALYS (ERR-T) Total uncertainty due to: 2343200300010 (ERR-1) Uncertainty in cavity volume or mass of the gas2343200300011 (ERR-2) Uncertainty in stopping power ratio 2343200300012 (ERR-3) Uncertainty in fluence measurement 2343200300013 (ERR-4) Uncertainty in alpha-particle calibration 2343200300014 STATUS (TABLE) Table 4 of J.Phys.in Medicine and Biology,31, 2343200300015 601,1986, EN-ERR - Table 3 2343200300016 ENDBIB 14 0 2343200300017 COMMON 4 3 2343200300018 ERR-1 ERR-2 ERR-3 ERR-4 2343200300019 PER-CENT PER-CENT PER-CENT PER-CENT 2343200300020 4. 6. 4. 4. 2343200300021 ENDCOMMON 3 0 2343200300022 DATA 5 4 2343200300023 EN EN-ERR DATA ERR-T MISC 2343200300024 MEV KEV PGY*CM2 PGY*CM2 SEE TEXT 2343200300025 13.9 70. 11.6 1.1 0.97 2343200300026 15.0 880. 12.5 1.1 1.11 2343200300027 17.0 284. 12.4 1.2 0.14 2343200300028 19.0 380. 16.3 1.5 0.68 2343200300029 ENDDATA 6 0 2343200300030 ENDSUBENT 29 0 2343200399999 SUBENT 23432004 20180919 22722343200400001 BIB 5 18 2343200400002 REACTION (6-C-0(N,TOT),,KER) Kerma factor 2343200400003 REL-REF (A,,E.Goldberg+,R,UCID-17789,1,1978) Experimental, 2343200400004 (2.25+-0.49)*10**-11 Gy*cm2 at 15.MeV 2343200400005 D,,P.M.Deluca+, Medical Physics report WMP-167, 2343200400006 300-1 - 300-20, 1983 2343200400007 (1.78+-0.11)*10**-11 Gy*cm2 at 14.1 MeV 2343200400008 (A,,P.J.Dimbylov,R,EUR-7448,341,1981) V.1 Calculation 2343200400009 (D,,R.S.Caswell+,J,RR,83,217,1980) Calculation 2343200400010 MISC-COL (MISC) K0/Q , 10**-7Gy/muC , 2343200400011 K0 - kerma, Q deuteron beam charge . 2343200400012 ERR-ANALYS (ERR-T) Total uncertainty due to: 2343200400013 (ERR-1) Uncertainty due to gas-to-wall conversion 2343200400014 factor 2343200400015 (ERR-2) Uncertainty in fluence measurement 2343200400016 (ERR-3) Uncertainty in alpha-particle calibration 2343200400017 . At 17 MeV - an additional uncertainty for calculation2343200400018 of total kerma factor - 3.% . 2343200400019 STATUS (TABLE) Tables of Rep.EUR-9762,309,1985 2343200400020 ENDBIB 18 0 2343200400021 COMMON 3 3 2343200400022 ERR-1 ERR-2 ERR-3 2343200400023 PER-CENT PER-CENT PER-CENT 2343200400024 5. 2.5 7. 2343200400025 ENDCOMMON 3 0 2343200400026 DATA 5 2 2343200400027 EN EN-ERR DATA ERR-T MISC 2343200400028 MEV MEV PGY*CM2 PGY*CM2 SEE TEXT 2343200400029 15.0 0.75 23.5 2.1 2.12 2343200400030 17.0 0.29 24.6 2.4 0.284 2343200400031 ENDDATA 4 0 2343200400032 ENDSUBENT 31 0 2343200499999 ENDENTRY 4 0 2343299999999