ENTRY 30061 20080215 31253006100000001 SUBENT 30061001 20080215 31253006100100001 BIB 13 31 3006100100002 TITLE Measurement of (n,2n) cross sections for fast neutrons 3006100100003 AUTHOR (A.Chatterjee,A.Nath,A.M.Ghose) 3006100100004 INSTITUTE (3INDBOS) 3006100100005 REFERENCE (P,BARC-305,30,196710) Similar to 67Kanpur,compared oth3006100100006 (C,67KANPUR,,363,196702) Compared with other data. 3006100100007 Data partially superseded. 3006100100008 (C,66BOMBAY,,66,196602) Data superseded by 67Kanpur. 3006100100009 (P,AEET-267,59,196608) Preliminary sigma given. 3006100100010 MONITOR Absolute fast neutron flux from theory of 3006100100011 organic scintillators,a.Chatterjee,a.M.Ghose,Trans. 3006100100012 Bose Inst. 29,1328(1962). Positron spectrometer cali- 3006100100013 brated from unspecified standard sources from nbs,usa. 3006100100014 FACILITY (CCW) 250 kV Cockcroft-Walton accellerator 3006100100015 INC-SOURCE (D-T) Monoenergetic d-t neutrons. E-deut = 130 keV. 3006100100016 METHOD (ACTIV) Sigma determined from the absolute values of 3006100100017 neutron flux and positron activity of irradiated sample3006100100018 neutron irradiation carried out in forward direction. 3006100100019 DETECTOR (SCIN) Plastic scintillator 1.25 cm in height and 3006100100020 2.5 cm in radius was used for n-flux measurement. 3006100100021 (NAICR) a slow/fast coincidence spectrometer with two 3006100100022 NaI(Tl) crystals measured the positron activity. The 3006100100023 fast resolution of the circuit was slightly greater 3006100100024 than 3 nano sec 3006100100025 PART-DET (B+) Positrons 3006100100026 ERR-ANALYS (DATA-ERR) No details given. 3006100100027 STATUS (TABLE) Data from BARC-305,p31,Table I. 3006100100028 HISTORY (19700116C) Compiled into Dastar 3006100100029 (19880916A) Tmk. Conversion from standard to monitor, 3006100100030 iso-quant to reaction formalism and corrected3006100100031 reaction in subent 6 3006100100032 (20080305A) BIB section updated 3006100100033 ENDBIB 31 0 3006100100034 COMMON 2 3 3006100100035 EN EN-RSL 3006100100036 MEV MEV 3006100100037 14.8 0.1 3006100100038 ENDCOMMON 3 0 3006100100039 ENDSUBENT 38 0 3006100199999 SUBENT 30061002 20080215 31253006100200001 BIB 2 2 3006100200002 REACTION (9-F-19(N,2N)9-F-18,,SIG) 3006100200003 HISTORY (19710821T) Previously Dastar-1054 3006100200004 ENDBIB 2 0 3006100200005 NOCOMMON 0 0 3006100200006 DATA 2 1 3006100200007 DATA DATA-ERR 3006100200008 MB MB 3006100200009 46.3 4.6 3006100200010 ENDDATA 3 0 3006100200011 ENDSUBENT 10 0 3006100299999 SUBENT 30061003 20080215 31253006100300001 BIB 2 2 3006100300002 REACTION (29-CU-63(N,2N)29-CU-62,,SIG) 3006100300003 HISTORY (19710821T) Previously Dastar-1055 3006100300004 ENDBIB 2 0 3006100300005 NOCOMMON 0 0 3006100300006 DATA 2 1 3006100300007 DATA DATA-ERR 3006100300008 MB MB 3006100300009 509. 51. 3006100300010 ENDDATA 3 0 3006100300011 ENDSUBENT 10 0 3006100399999 SUBENT 30061004 20080215 31253006100400001 BIB 2 3 3006100400002 REACTION (30-ZN-64(N,2N)30-ZN-63,,SIG) 3006100400003 HISTORY (19710821T) Supersedes Dastar-1056, which was taken fro3006100400004 67Kanpur,365 3006100400005 ENDBIB 3 0 3006100400006 NOCOMMON 0 0 3006100400007 DATA 2 1 3006100400008 DATA DATA-ERR 3006100400009 MB MB 3006100400010 165. 16. 3006100400011 ENDDATA 3 0 3006100400012 ENDSUBENT 11 0 3006100499999 SUBENT 30061005 20080215 31253006100500001 BIB 2 2 3006100500002 REACTION (31-GA-69(N,2N)31-GA-68,,SIG) 3006100500003 HISTORY (19710821T) Previously Dastar-1057 3006100500004 ENDBIB 2 0 3006100500005 NOCOMMON 0 0 3006100500006 DATA 2 1 3006100500007 DATA DATA-ERR 3006100500008 MB MB 3006100500009 950. 95. 3006100500010 ENDDATA 3 0 3006100500011 ENDSUBENT 10 0 3006100599999 SUBENT 30061006 20080215 31253006100600001 BIB 2 3 3006100600002 REACTION (47-AG-107(N,2N)47-AG-106-G,,SIG) 3006100600003 HISTORY (19710821T) Supersedes Dastar-1058, which was taken fro3006100600004 67Kanpur,366 3006100600005 ENDBIB 3 0 3006100600006 NOCOMMON 0 0 3006100600007 DATA 2 1 3006100600008 DATA DATA-ERR 3006100600009 MB MB 3006100600010 530. 30. 3006100600011 ENDDATA 3 0 3006100600012 ENDSUBENT 11 0 3006100699999 ENDENTRY 6 0 3006199999999