ENTRY 31423 20140624 31653142300000001 SUBENT 31423001 20140624 31653142300100001 BIB 13 31 3142300100002 TITLE Study of the thermal neutron radiative capture 31P(n,g)3142300100003 reaction 3142300100004 AUTHOR (Zeng Xiantang, Shi Zongren, Zhang Ming, Li Guohua, 3142300100005 Ding Dazhao) 3142300100006 INSTITUTE (3CPRAEP) 3142300100007 REFERENCE (J,CNP,11,(2),43,1989) 3142300100008 SAMPLE Each foil had a thickness of 14 um and a transmission 3142300100009 ratio of 99%. 3142300100010 There are four samples: 3142300100011 1. a NaCl sample (for efficiency calibration) 3142300100012 2. a NaCl and P mixing sample (for energy calibration)3142300100013 3. a sandwichlike P-Au-P-Au-P sample (to deduce the 3142300100014 thermal capture cross section of P) 3142300100015 4. a P sample 3142300100016 FACILITY (REAC,3CPRAEP) AEP heavy-water reactor. 3142300100017 INC-SOURCE (REAC) 3142300100018 INC-SPECT Thermal-neutron spectrum. 3142300100019 The neutron fluence rate at the sample position was 3142300100020 2 x 10**6 n/cm2/s and the Cd ratio was 200. 3142300100021 MONITOR (79-AU-197(N,G)79-AU-198,,SIG,,MXW) 3142300100022 MONIT-REF (,S.F.Mughabghab+,B,NEUT.CS 1B,,1984) 3142300100023 METHOD (STTA,GSPEC) Gamma-spectra were measured 3142300100024 DETECTOR (HPGE,NAICR,GELI) 3142300100025 1) a 'three crystal pair spectrometer' consisting 3142300100026 of a HPGe as central detector and two cylindrical 3142300100027 NaI(Tl) as outside detectors (for Eg= 2 to 10 MeV) 3142300100028 2) a 410 cm3 coaxial GeLi detector (for Eg < 3 MeV) 3142300100029 3) a HPGe detector (for Eg=0.1 to 10 MeV) 3142300100030 HISTORY (19931101C) HW 3142300100031 (20090730A) SD:Updated to new date formats,lower case. 3142300100032 (20140624A) On. MONIT(-ERR): MB -> B, 002-004 updated. 3142300100033 ENDBIB 31 0 3142300100034 COMMON 3 3 3142300100035 EN-DUMMY MONIT MONIT-ERR 3142300100036 EV B B 3142300100037 0.0253 98.65 0.09 3142300100038 ENDCOMMON 3 0 3142300100039 ENDSUBENT 38 0 3142300199999 SUBENT 31423002 20140624 31653142300200001 BIB 3 3 3142300200002 REACTION (15-P-31(N,G)15-P-32,PAR,SIG,,MXW) 3142300200003 STATUS (TABLE) Table 5 of Chin.J.Nucl.Phys.11(2)p43(1989) 3142300200004 HISTORY (20140624A) On. One data point (27.58 mb) moved to 004.3142300200005 ENDBIB 3 0 3142300200006 NOCOMMON 0 0 3142300200007 DATA 2 8 3142300200008 E-LVL DATA 3142300200009 MEV MB 3142300200010 3.264 23.75 3142300200011 4.009 4.58 3142300200012 4.036 30.69 3142300200013 4.662 9.75 3142300200014 4.878 11.52 3142300200015 5.350 10.14 3142300200016 5.779 14.81 3142300200017 6.062 3.38 3142300200018 ENDDATA 10 0 3142300200019 ENDSUBENT 18 0 3142300299999 SUBENT 31423003 20140624 31653142300300001 BIB 6 14 3142300300002 REACTION (15-P-31(N,G)15-P-32,,SIG,,MXW) 3142300300003 ANALYSIS Derived from the 6786.38 keV gamma production cross 3142300300004 section and its intensity determined in this 3142300300005 experiment (15.56+/-0.22 gammas/100 captures). 3142300300006 ADD-RES (G-SPC) 31P(n,g) P-32 6786.38 keV gamma intensity 3142300300007 (15.56+/-0.22 gammas/100 captures) 3142300300008 ERR-ANALYS (DATA-ERR) Mainly from errors in 3142300300009 - the peak areas 3142300300010 - absolute intensities of Au 3142300300011 - capture cross section of Au 3142300300012 - absolute intensity of 6786.38 keV gamma ray of P. 3142300300013 STATUS (TABLE) Table 1 of Chin.J.Nucl.Phys.11(2)p43(1989) 3142300300014 (DEP,31425004) 6786.38 keV gamma prod. cross section 3142300300015 HISTORY (20140624U) On. ANALYSIS, MISC-COL, ERR-ANALYS, STATUS 3142300300016 ENDBIB 14 0 3142300300017 NOCOMMON 0 0 3142300300018 DATA 2 1 3142300300019 DATA DATA-ERR 3142300300020 MB MB 3142300300021 177. 5. 3142300300022 ENDDATA 3 0 3142300300023 ENDSUBENT 22 0 3142300399999 SUBENT 31423004 20140624 31653142300400001 BIB 5 11 3142300400002 REACTION (15-P-31(N,G)15-P-32,PAR,SIG,G,MXW) 3142300400003 ANALYSIS The absolute partial cross section of the 6786.38 keV 3142300400004 gamma-ray transition from the 7936 to the 1149 level 3142300400005 was deduced from the Au-197(n,g) monitor cross section3142300400006 and four neighbouring gamma peaks of Au. 3142300400007 ERR-ANALYS (DATA-ERR) Mainly from errors in 3142300400008 - the peak areas 3142300400009 - absolute intensities of Au 3142300400010 - capture cross section of Au 3142300400011 STATUS (TABLE) Table 1 of Chin.J.Nucl.Phys.11(2)p43(1989) 3142300400012 HISTORY (20140624C) On 3142300400013 ENDBIB 11 0 3142300400014 NOCOMMON 0 0 3142300400015 DATA 5 1 3142300400016 E DATA DATA-ERR LVL-INI LVL-FIN 3142300400017 KEV MB MB KEV KEV 3142300400018 6786.38 27.58 0.47 7936. 1149. 3142300400019 ENDDATA 3 0 3142300400020 ENDSUBENT 19 0 3142300499999 ENDENTRY 4 0 3142399999999