ENTRY 41396 20220412 42064139600000001 SUBENT 41396001 20220412 42064139600100001 BIB 14 38 4139600100002 TITLE Investigation of 123Te(n,alpha) reaction at 24.5 keV 4139600100003 neutron energy 4139600100004 AUTHOR (V.A.Vtyurin, A.V.Grebnev, V.A.Pshenichnyy, 4139600100005 I.Chadraabal) 4139600100006 REFERENCE (R,JINR-P15-88-186,1988) Main reference 4139600100007 INSTITUTE (4ZZZDUB) Vtyurin, Chadraabal 4139600100008 (4UKRIJD) Grebnev, Pshenichnyy 4139600100009 FACILITY (REAC,4UKRIJD) Reactor WWR-M, activity power 10 MW 4139600100010 INC-SOURCE (REAC) Iron Fe-56 filtrated neutron beam 4139600100011 INC-SPECT Mean energy is 24.5 keV, neutron spectrum width 4139600100012 is 2 keV. 4139600100013 METHOD (FNB) Details of filters are given in Table 1 (see 4139600100014 also Subent 004). 4139600100015 DETECTOR (IOCH) Two-gridded ionization chamber constructed 4139600100016 specially for WWR-M working conditions for 4139600100017 alpha-spectrum measurement. 4139600100018 (GELI) Incident neutron spectrum was measured by Ge(Li)4139600100019 detector using B-10 sample of 3.39E+2 nucl/cm2 4139600100020 thickness, 480 keV line from B-10(n,alpha gamma) 4139600100021 reaction was registered. Detection efficiency was 4139600100022 tested by Eu-152 standard source(3334.3 and 778.9 keV) 4139600100023 to be (0.497+-0.011)*10**-3. 4139600100024 PART-DET (A,G) 4139600100025 SAMPLE .Metallic 123Te in mixture with tellurium oxide 4139600100026 Te-O3, enrichment on 123Te 67+-1%, area 80 cm2, 4139600100027 thickness (0.53+-0.026) milligram/cm3. 4139600100028 .Standard sample - samarium oxide Sm2-O3, 4139600100029 Sm-147 content (95.3+-0.1)%, area 80 cm2, 4139600100030 thickness 0.22+-0.01 milligram/cm2. 4139600100031 .Li-F sample, Li-6 content 3.65%, thickness 0.1+- 4139600100032 0.01 milligram/cm2, area 80 cm2 4139600100033 CORRECTION Background was measured. 4139600100034 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4139600100035 article. 4139600100036 HISTORY (20020307C) + + Compiled at the centre - CJD + + 4139600100037 (20020311U) Last checking has been done. 4139600100038 (20220412A) Update for current rules and dictionaries. 4139600100039 MICRO-B -> B for MONIT2 4139600100040 ENDBIB 38 0 4139600100041 NOCOMMON 0 0 4139600100042 ENDSUBENT 41 0 4139600199999 SUBENT 41396002 20220412 42064139600200001 BIB 3 4 4139600200002 REACTION (52-TE-123(N,A)50-SN-120,,SIG) 4139600200003 ANALYSIS Weighted-average of 3 series . 4139600200004 STATUS (TABLE) From Table 3 of rep.,JINR-P3-88-186,1988 4139600200005 (DEP,41396004) Directly measured 3 series. 4139600200006 ENDBIB 4 0 4139600200007 NOCOMMON 0 0 4139600200008 DATA 4 1 4139600200009 EN EN-RSL-FW DATA DATA-ERR 4139600200010 KEV KEV MICRO-B MICRO-B 4139600200011 24.5 2. 2.8 0.7 4139600200012 ENDDATA 3 0 4139600200013 ENDSUBENT 12 0 4139600299999 SUBENT 41396003 20220412 42064139600300001 BIB 3 7 4139600300002 REACTION (52-TE-123(N,A),,WID,,AV) 4139600300003 Average alpha-width for s-wave neutron resonances. 4139600300004 STATUS (TABLE) From Table 3 of rep.,JINR-P3-88-186,1988 4139600300005 HISTORY (20220412A) EN-RES=1.17 MeV -> EN-RES-MAX= 25. keV 4139600300006 ( EN-RS-MIN/MAX are not given in the article, 4139600300007 assumed by compiler). 4139600300008 AV code was added in REACTION. 4139600300009 ENDBIB 7 0 4139600300010 COMMON 1 3 4139600300011 MOMENTUM L 4139600300012 NO-DIM 4139600300013 0. 4139600300014 ENDCOMMON 3 0 4139600300015 DATA 3 1 4139600300016 EN-RES-MAX DATA DATA-ERR 4139600300017 KEV MICRO-EV MICRO-EV 4139600300018 25. 3.2 0.8 4139600300019 ENDDATA 3 0 4139600300020 ENDSUBENT 19 0 4139600399999 SUBENT 41396004 20220412 42064139600400001 BIB 6 20 4139600400002 REACTION 1(52-TE-123(N,A)50-SN-120,,SIG) 4139600400003 2(52-TE-123(N,A)50-SN-120,,SIG) 4139600400004 3(52-TE-123(N,A)50-SN-120,,SIG) 4139600400005 METHOD 1 Filters: 30 cm Fe, 15 cm Al, 13 g/cm2 S; 4139600400006 measurement time 100 hr, 4139600400007 alpha counts number 168+-47, 4139600400008 neutron flux (4.42+-0.12)*10**6 n/(cm2*sec). 4139600400009 2 Filters: 40 cm Fe, 15 cm Al, 15 g/cm2 S; 4139600400010 measurement time 70.5 hr, 4139600400011 alpha counts number 97+-41. 4139600400012 3 Filters: 40 cm Fe, 15 cm Al, 13 g/cm2 S; 4139600400013 measurement time 173 hr, 4139600400014 alpha counts number 182+-62. 4139600400015 MONITOR ((MONIT1)62-SM-147(N,A)60-ND-144,,SIG) 4139600400016 ((MONIT2)3-LI-6(N,T)2-HE-4,,SIG) 4139600400017 Sm-147 or Li-6 were used as monitor. 4139600400018 MONIT-REF ((MONIT1),Yu.Andzheevsky+,R,JINR-P3-87-568,1987) 4139600400019 ((MONIT2),D.I.Garber+,B,NEUT.CS 2,,,1976) 4139600400020 STATUS (TABLE) From Table 1 of rep.,JINR-P3-88-186,1988 4139600400021 HISTORY (20220412C) Subent was added. 4139600400022 ENDBIB 20 0 4139600400023 COMMON 6 3 4139600400024 EN EN-RSL-FW MONIT1 MONIT1-ERR MONIT2 MONIT2-ERR 4139600400025 KEV KEV MICRO-B MICRO-B B B 4139600400026 24.5 2. 48. 12. 1. 0.054139600400027 ENDCOMMON 3 0 4139600400028 DATA 6 1 4139600400029 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 34139600400030 MICRO-B MICRO-B MICRO-B MICRO-B MICRO-B MICRO-B 4139600400031 4.8 2.5 3.9 2.0 2.4 0.8 4139600400032 ENDDATA 3 0 4139600400033 ENDSUBENT 32 0 4139600499999 ENDENTRY 4 0 4139699999999