ENTRY 30599 20090506 31373059900000001 SUBENT 30599001 20090506 31373059900100001 BIB 12 29 3059900100002 TITLE -Measurement of cross-section for reaction 3059900100003 Sc-45(n,2n)Sc-44m and isomeric cross section ratio.- 3059900100004 AUTHOR (Ma Hong-Chang,Li Ji-Zhou,Huang Jian-Zhou,Fan Pei-Guo, 3059900100005 Lu Han-Lin) 3059900100006 INSTITUTE (3CPRAEP) 3059900100007 REFERENCE (J,CNP,2,(1),47,198002) In Chinese. 3059900100008 (R,INDC(CPR)-16,198909) Data renormalized 3059900100009 SAMPLE Powder sample of Sc(2)-O(3). 99.9% purity. 3059900100010 Compressed disk of diam. either 11 mm (at E(n)=14.61 3059900100011 and 16.76 MeV) or 20 mm was used. 3059900100012 FACILITY (CCW,3CPRAEP) 3059900100013 (VDG,3CPRAEP) 3059900100014 INC-SOURCE (D-T) Ti-T targets, about 0.5mg/cm2 for Cockcroft- 3059900100015 Walton, thickness of about 1.5 mg/cm2 for VDG. 3059900100016 METHOD (ACTIV) Recoil alpha particle method was used for the 3059900100017 Cockcroft Walton accelerator, to monitor neutron-flux. 3059900100018 DETECTOR (NAICR) 80 mm dia. and 80 mm long NaI(Tl) scintillator.3059900100019 PART-DET (DG) 3059900100020 COMMENT After considering the effect of the oxide layer at the 3059900100021 surface of T-Ti target ,the neutron energy was modified3059900100022 from 14.61 to 14.58 MeV. 3059900100023 In recent years more reasonable averaged distance from 3059900100024 center of target to the center of sample was used. All 3059900100025 earlier data were adjusted for those effects. 3059900100026 HISTORY (19810917C) KO. 3059900100027 (19850215U) OS. Country code corrected. 3059900100028 (19901011A) VOF.-Comment and reference added in sub 0013059900100029 (20090503A) SD:Updated to new date formats,lower case, 3059900100030 made formal corrections. 3059900100031 ENDBIB 29 0 3059900100032 NOCOMMON 0 0 3059900100033 ENDSUBENT 32 0 3059900199999 SUBENT 30599002 20090506 31373059900200001 BIB 8 38 3059900200002 REACTION (21-SC-45(N,2N)21-SC-44-M,,SIG) 3059900200003 DECAY-DATA (21-SC-44-M,2.44D,DG,271.,0.866) 3059900200004 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 3059900200005 MONIT-REF (30523002,LU HAN-LIN+,R,INDC(CPR)-16,198908) 3059900200006 === Compiler's note, 81/09/16, 3059900200007 The value of Al-27(n,a)Na-24 cross-sections at 16.76 3059900200008 +-0.32 MeV is not given in J,CNP,2,(1),1980) === 3059900200009 *** Compiler's note, 90/10/11, 3059900200010 It is not clear whether the value of Al-27(n,a)Na-24 3059900200011 at 16.76 MeV was used as monitor or not;moreover this 3059900200012 point is not reported in the new data set in 30523002 3059900200013 and 30523003 which are monitor-references. Therefore 3059900200014 compiler decided to remove this point from data set as3059900200015 monitor 3059900200016 CORRECTION At neutron energies of 14.61 and 16.76 MeV, 3059900200017 self-absorption of gamma-rays and at other energies, 3059900200018 neutron beam divergence, scattering of neutrons and 3059900200019 correction of sample thickness were considered. 3059900200020 ERR-ANALYS (ERR-T) Total errors given. 3059900200021 At neutron energies of 14.61 and 16.76 MeV, the errors3059900200022 consist of the followings (%). 3059900200023 ---------------------------------------------------- 3059900200024 Source of error at E(n),(MeV)* 14.61+-0.28* 16.76+-0.323059900200025 ---------------------------------------------------- 3059900200026 .Monitor x-section * 3.3 * 4.8 3059900200027 (ERR-1) .Det.eff.at full energy 3059900200028 peak of gamma * 3.0 * 3.0 3059900200029 (ERR-2) .Self-absorp.correction * 0.5 * 0.5 3059900200030 (ERR-3) .Sample weighing error * 0.5 * 0.5 3059900200031 (ERR-4) .Count.of gamma-peak area * 1.0 * 1.0 3059900200032 (ERR-S) .Statistical error * 1.0 * 1.0 3059900200033 ---------------------------------------------------- 3059900200034 total * 4.73 * 5.88 3059900200035 ---------------------------------------------------- 3059900200036 STATUS (TABLE) Data taken from Table 1 and 3 3059900200037 INDC(CPR)-16 report.1989 3059900200038 HISTORY (19901011A) VOF.-Data set sligthly revised,monit values3059900200039 for point 16.76 MeV removed,decay-data added 3059900200040 ENDBIB 38 0 3059900200041 COMMON 5 3 3059900200042 ERR-1 ERR-2 ERR-3 ERR-4 ERR-S 3059900200043 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3059900200044 3.0 0.5 0.5 1.0 1.0 3059900200045 ENDCOMMON 3 0 3059900200046 DATA 6 12 3059900200047 EN EN-RSL DATA ERR-T MONIT MONIT-ERR 3059900200048 MEV MEV MB MB MB PER-CENT 3059900200049 13.15 0.18 42.86 2.64 3059900200050 13.55 0.18 53.84 3.31 3059900200051 13.79 0.18 91.30 4.84 3059900200052 14.07 0.14 108.0 5.3 3059900200053 14.36 0.22 124.4 6.1 3059900200054 14.58 0.28 129.3 6.2 115.8 3.0 3059900200055 14.84 0.38 133.6 6.6 3059900200056 15.64 0.25 149.9 9.2 3059900200057 16.76 0.32 160.0 9.6 3059900200058 16.95 0.19 161.4 9.9 3059900200059 17.91 0.18 166.5 10.2 3059900200060 18.26 0.15 157.8 10.3 3059900200061 ENDDATA 14 0 3059900200062 ENDSUBENT 61 0 3059900299999 SUBENT 30599003 20090506 31373059900300001 BIB 4 5 3059900300002 REACTION (21-SC-45(N,2N)21-SC-44-M/G,,SIG/RAT) 3059900300003 MONITOR Ratio is given 3059900300004 STATUS (TABLE) Data taken from Table 3 of Chinese 3059900300005 J.Nucl.Phys.,2,(1), (1980)47. 3059900300006 ERR-ANALYS (DATA-ERR) Total error given. 3059900300007 ENDBIB 5 0 3059900300008 NOCOMMON 0 0 3059900300009 DATA 4 5 3059900300010 EN EN-RSL DATA DATA-ERR 3059900300011 MEV MEV NO-DIM NO-DIM 3059900300012 1.4610E+01 2.8000E-01 6.9800E-01 1.1000E-02 3059900300013 1.6030E+01 3.8000E-01 6.5400E-01 1.1000E-02 3059900300014 1.6760E+01 3.2000E-01 6.3700E-01 1.0000E-02 3059900300015 1.7540E+01 1.6000E-01 5.8900E-01 1.0000E-02 3059900300016 1.8260E+01 1.5000E-01 5.4700E-01 9.0000E-03 3059900300017 ENDDATA 7 0 3059900300018 ENDSUBENT 17 0 3059900399999 SUBENT 30599004 20090506 31373059900400001 BIB 6 13 3059900400002 REACTION G(21-SC-45(N,2N)21-SC-44-G,,SIG) 3059900400003 S(21-SC-45(N,2N)21-SC-44,,SIG) 3059900400004 DECAY-DATAG(21-SC-44-G,3.93HR,DG,1157.,0.999) 3059900400005 ERR-ANALYS (DATA-ERR) No further information. 3059900400006 COMMENT Compiler's note (90/10/11) : 3059900400007 Earlier data were derived from subentries 002 and 003. 3059900400008 It is not clear from the INDC(CPE)-16 report whether 3059900400009 the authors measured present data independently or the 3059900400010 previous method was used. 3059900400011 STATUS (TABLE) Data taken from Table 1 and 3 3059900400012 INDC(CPR)-16 report 1989. 3059900400013 HISTORY (19901011) VOF.- Data set slightly revised,comment and 3059900400014 decay-data added.- 3059900400015 ENDBIB 13 0 3059900400016 NOCOMMON 0 0 3059900400017 DATA 6 5 3059900400018 EN EN-RSL DATA GDATA-ERR GDATA SDATA-ERR S3059900400019 MEV MEV MB MB MB MB 3059900400020 14.58 0.28 185.2 9.4 314.5 11.3 3059900400021 16.03 0.38 234.7 14.8 388.2 17.6 3059900400022 16.76 0.32 251.3 15.7 411.4 18.5 3059900400023 17.54 0.16 279.5 17.8 444.1 20.5 3059900400024 18.26 0.15 288.5 19.5 446.2 22.1 3059900400025 ENDDATA 7 0 3059900400026 ENDSUBENT 25 0 3059900499999 ENDENTRY 4 0 3059999999999