ENTRY 12848 20170601 14321284800000001 SUBENT 12848001 20170601 14321284800100001 BIB 13 32 1284800100002 TITLE Measurements of the 235U(n,f) cross section in the MeV 1284800100003 energy region 1284800100004 AUTHOR (A.D.Carlson, B.H.Patrick) 1284800100005 INSTITUTE (1USANBS) 1284800100006 REFERENCE (C,78HARWELL,,880,1978) 1284800100007 FACILITY (LINAC,1USANBS) 60-m station of NBS TOF facility 1284800100008 INC-SOURCE (PHOTO) Linac operated at 720 Hz repetition rate with 1284800100009 20 nsec pulse width 1284800100010 METHOD (TOF) Proton telescope at 61.7 m and fission chamber 1284800100011 at 63 m from the neutron production target 1284800100012 SAMPLE (92-U-235,ENR=0.99912) 1284800100013 Five fission foils with 100 ug/cm2 deposits of 99.912% 1284800100014 235U on both sides of 0.0025 cm Al backings 1284800100015 DETECTOR (FISCH) Multiplate fission ionization chamber 1284800100016 (SILI) Annular proton telescope 1284800100017 MONITOR (1-H-1(N,EL)1-H-1,,DA,P) 1284800100018 0.31 mg/cm2 polyethylene film used at lower energy, 1284800100019 and 2.08, 10.7 and 44.2 mg/cm2 polyethylene films 1284800100020 used at higher energy 1284800100021 ERR-ANALYS (ERR-S) Statistical uncertainty (2-3%) 1284800100022 (ERR-1,,,P) 1H(n,n)1H cross section (0.5%) 1284800100023 (ERR-2,,,P) 1H(n,n)1H angular distribution (0.2%) 1284800100024 (ERR-3,,,P) Time walk correction (0.5%) 1284800100025 (ERR-4,,,P) Background (0.2%) 1284800100026 (ERR-5,,,P) Miscellaneous others (0.2%) 1284800100027 - Transmission correction <0.1% 1284800100028 - Fission fragment angular distribution <0.1% 1284800100029 - Dead time correction <<0.1% 1284800100030 STATUS (APRVD) A.D.Carlson, 1985/01/03, then 2017/06/08. 1284800100031 HISTORY (19841120C) 1284800100032 (20170601A) On. Recompiled. 002-003 superseded. 1284800100033 004-005 added. STATUS=PRELM deleted. 1284800100034 ENDBIB 32 0 1284800100035 COMMON 6 3 1284800100036 ANG-NRM ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 1284800100037 ADEG PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 1284800100038 30. 0.5 0.2 0.5 0.2 0.2 1284800100039 ENDCOMMON 3 0 1284800100040 ENDSUBENT 39 0 1284800199999 SUBENT 12848002 20170601 14321284800200001 BIB 4 6 1284800200002 REACTION (92-U-235(N,F),,SIG) 1284800200003 ERR-ANALYS (ERR-T) Total uncertainty 1284800200004 STATUS (TABLE) Data taken from private comm.,Carlson,78/9. 1284800200005 (COREL,12848003) High-energy geometry experiment 1284800200006 (SPSDD,12848004) Renormalized to ENDF/B-VII.0 n-p data 1284800200007 HISTORY (20170601A) On. Superseded by 12848.004. 1284800200008 ENDBIB 6 0 1284800200009 NOCOMMON 0 0 1284800200010 DATA 5 13 1284800200011 EN EN-RSL-FW DATA ERR-T ERR-S 1284800200012 MEV KEV B B B 1284800200013 1.171 2.281 1.195 0.01774 0.01670 1284800200014 1.288 2.631 1.217 0.01843 0.01740 1284800200015 1.404 2.994 1.238 0.01960 0.01860 1284800200016 1.535 3.423 1.277 0.02090 0.01990 1284800200017 1.686 3.941 1.262 0.02356 0.02270 1284800200018 1.830 4.456 1.274 0.02755 0.02680 1284800200019 1.958 4.932 1.259 0.02841 0.02770 1284800200020 2.100 5.478 1.260 0.02968 0.02900 1284800200021 2.259 6.111 1.281 0.03136 0.03070 1284800200022 2.436 6.844 1.273 0.03361 0.03300 1284800200023 2.635 7.699 1.234 0.03387 0.03330 1284800200024 2.860 8.706 1.183 0.03481 0.03430 1284800200025 3.114 9.891 1.152 0.03616 0.03570 1284800200026 ENDDATA 15 0 1284800200027 ENDSUBENT 26 0 1284800299999 SUBENT 12848003 20170601 14321284800300001 BIB 4 6 1284800300002 REACTION (92-U-235(N,F),,SIG) 1284800300003 ERR-ANALYS (ERR-T) Total uncertainty 1284800300004 STATUS (TABLE) Data taken from private comm.,Carlson,78/9. 1284800300005 (COREL,12848002) Low-energy geometry experiment 1284800300006 (SPSDD,12848005) Renormalized to ENDF/B-VII n-p data 1284800300007 HISTORY (20170601A) On. Superseded by 12848.005. 1284800300008 ENDBIB 6 0 1284800300009 NOCOMMON 0 0 1284800300010 DATA 5 24 1284800300011 EN EN-RSL-FW DATA ERR-T ERR-S 1284800300012 MEV KEV B B B 1284800300013 3.147 10.05 1.135 0.02807 0.02749 1284800300014 3.227 10.44 1.139 0.02851 0.02794 1284800300015 3.311 10.84 1.140 0.02868 0.02811 1284800300016 3.397 11.27 1.177 0.02968 0.02909 1284800300017 3.487 11.72 1.117 0.02806 0.02750 1284800300018 3.581 12.20 1.098 0.02771 0.02716 1284800300019 3.678 12.70 1.100 0.02778 0.02723 1284800300020 3.780 13.23 1.111 0.02813 0.02758 1284800300021 3.885 13.79 1.055 0.02685 0.02633 1284800300022 3.996 14.38 1.080 0.02716 0.02662 1284800300023 4.111 15.00 1.063 0.02669 0.02616 1284800300024 4.231 15.66 1.098 0.02780 0.02725 1284800300025 4.356 16.37 1.121 0.02851 0.02795 1284800300026 4.487 17.11 1.093 0.02775 0.02721 1284800300027 4.625 17.90 1.066 0.02323 0.02261 1284800300028 4.768 18.74 1.088 0.02347 0.02283 1284800300029 4.918 19.63 1.035 0.02275 0.02215 1284800300030 5.076 20.59 1.024 0.02245 0.02186 1284800300031 5.241 21.60 1.005 0.02214 0.02156 1284800300032 5.415 22.68 1.016 0.02243 0.02185 1284800300033 5.597 23.84 1.041 0.02301 0.02241 1284800300034 5.789 25.07 1.036 0.02301 0.02242 1284800300035 5.991 26.39 1.082 0.02345 0.02282 1284800300036 6.203 27.81 1.158 0.02463 0.02394 1284800300037 ENDDATA 26 0 1284800300038 ENDSUBENT 37 0 1284800399999 SUBENT 12848004 20170601 14321284800400001 BIB 3 5 1284800400002 REACTION (92-U-235(N,F),,SIG) 1284800400003 MONIT-REF (,,3,ENDF/B-VII.0,,2006) 1284800400004 STATUS (TABLE) Data renormalized to ENDF/B-VII.0 30 deg data 1284800400005 by A.Carlson and V.Pronyaev in GMA input #508 1284800400006 (COREL,12848005) High-energy geometry experiment 1284800400007 ENDBIB 5 0 1284800400008 NOCOMMON 0 0 1284800400009 DATA 5 13 1284800400010 EN EN-ERR EN-RSL-HW DATA ERR-S 1284800400011 MEV PER-CENT PER-CENT B PER-CENT 1284800400012 1.171 0.2 10.7 1.183 1.4 1284800400013 1.288 0.2 8.4 1.205 1.4 1284800400014 1.404 0.2 8.8 1.225 1.5 1284800400015 1.535 0.2 9.2 1.263 1.6 1284800400016 1.686 0.2 9.6 1.248 1.7 1284800400017 1.830 0.2 6.7 1.260 2.0 1284800400018 1.958 0.3 6.9 1.244 2.2 1284800400019 2.100 0.3 7.2 1.245 2.3 1284800400020 2.259 0.3 7.4 1.266 2.4 1284800400021 2.436 0.3 7.7 1.257 2.6 1284800400022 2.635 0.3 8.0 1.218 2.7 1284800400023 2.860 0.3 8.3 1.167 2.9 1284800400024 3.114 0.3 8.7 1.135 3.1 1284800400025 ENDDATA 15 0 1284800400026 ENDSUBENT 25 0 1284800499999 SUBENT 12848005 20170601 14321284800500001 BIB 4 6 1284800500002 REACTION (92-U-235(N,F),,SIG) 1284800500003 MONIT-REF (,,3,ENDF/B-VII.0,,2006) 1284800500004 ERR-ANALYS (ERR-T) Total uncertainty 1284800500005 STATUS (TABLE) Data renormalized to ENDF/B-VII.0 30 deg data 1284800500006 by A.Carlson and V.Pronyaev in GMA input #509 1284800500007 (COREL,12848004) Low-energy geometry experiment 1284800500008 ENDBIB 6 0 1284800500009 NOCOMMON 0 0 1284800500010 DATA 6 29 1284800500011 EN EN-ERR EN-RSL-HW DATA ERR-S ERR-T 1284800500012 MEV PER-CENT PER-CENT B PER-CENT PER-CENT 1284800500013 2.788 0.3 2.5 1.222 2.3 2.4 1284800500014 2.855 0.3 2.5 1.205 2.4 2.5 1284800500015 2.924 0.3 2.5 1.202 2.3 2.4 1284800500016 2.995 0.3 2.5 1.217 2.3 2.4 1284800500017 3.069 0.3 2.5 1.172 2.3 2.4 1284800500018 3.147 0.3 2.5 1.156 2.4 2.5 1284800500019 3.227 0.3 2.5 1.160 2.5 2.6 1284800500020 3.311 0.3 2.6 1.161 2.5 2.6 1284800500021 3.397 0.3 2.6 1.199 2.5 2.6 1284800500022 3.487 0.3 2.6 1.137 2.4 2.5 1284800500023 3.581 0.3 2.7 1.118 2.5 2.6 1284800500024 3.678 0.3 2.7 1.120 2.5 2.6 1284800500025 3.780 0.3 2.7 1.131 2.4 2.5 1284800500026 3.885 0.4 2.8 1.075 2.5 2.6 1284800500027 3.996 0.4 2.8 1.098 2.5 2.6 1284800500028 4.111 0.4 2.9 1.082 2.4 2.5 1284800500029 4.231 0.4 2.9 1.117 2.5 2.6 1284800500030 4.356 0.4 2.9 1.140 2.5 2.6 1284800500031 4.487 0.4 3.0 1.112 2.5 2.6 1284800500032 4.625 0.4 3.0 1.085 2.2 2.3 1284800500033 4.768 0.4 3.1 1.105 2.1 2.2 1284800500034 4.918 0.4 3.1 1.052 2.1 2.2 1284800500035 5.076 0.4 3.2 1.041 2.1 2.2 1284800500036 5.241 0.4 3.2 1.021 2.2 2.3 1284800500037 5.415 0.4 3.3 1.032 2.2 2.3 1284800500038 5.597 0.4 3.3 1.058 2.1 2.2 1284800500039 5.789 0.4 3.4 1.053 2.1 2.2 1284800500040 5.991 0.4 3.5 1.099 2.1 2.2 1284800500041 6.203 0.4 3.5 1.177 2.1 2.2 1284800500042 ENDDATA 31 0 1284800500043 ENDSUBENT 42 0 1284800599999 ENDENTRY 5 0 1284899999999