ENTRY 22999 20140817 22402299900000001 SUBENT 22999001 20140817 22402299900100001 BIB 16 57 2299900100002 TITLE .Role of multiparticle-multihole states in 18,19-O in 2299900100003 thermal neutron capture of 18-O 2299900100004 AUTHOR (Y.Nagai, M.Segawa, T.Ohsaki, H.Matsue, K.Muto) 2299900100005 INSTITUTE (2JPNOSA) Research Center for Nuclear Physics, Osaka 2299900100006 University., Ibaraki, Osaka 567-0047, Japan. 2299900100007 Y.Nagai 2299900100008 (2JPNJAE) Division of Nuclear Data and Reactor 2299900100009 Engineering, Japan Atomic Energy Agency, Tokai, 2299900100010 Ibaraki, Japan. Y.Nagai 2299900100011 Quantum Beam Science Directorate, Japan 2299900100012 Atomic Energy Agency, Tokai, Japan. M.Segawa, 2299900100013 N.Matsue 2299900100014 (2JPNTIT) Research Laboratory for Nuclear Reactors, 2299900100015 Tokyo Institute of Technology, Meguro, Tokyo, 2299900100016 Japan. T.Ohsaki 2299900100017 Department of Physics, Tokyo Institute of 2299900100018 Technology, 2-12-1 O-okayama, Meguro, Tokyo, 2299900100019 Japan. K.Muto. 2299900100020 REFERENCE (J,PR/C,76,051301,200711) Main reference, data 2299900100021 for gamma intensities are given. 2299900100022 REL-REF (N,,S.Yamada+,W,YAMADA,2006) S.Yamada et al.,Physica B 2299900100023 vol.385, 1243 (2006). Description of the reactor. 2299900100024 (N,,C.Yonezawa+,J,NIM/A,329,207,2003) Anti-Compton Ge 2299900100025 spectrometer description. 2299900100026 FACILITY (REAC,2JPNJAE) The nuclear reactor JRR-3 at Japan 2299900100027 Atomic Energy Agency 2299900100028 INC-SOURCE (REAC) The experiment was carried out at the thermal 2299900100029 neutron beam port at the JRR-3 nuclear reactor. 2299900100030 INC-SPECT .Thermal neutron spectrum. Supposed neutron spectrum 2299900100031 temperature T is 293 degree Kelvin, corresponding 2299900100032 mean energy (3/2)*kT is 0.0380 eV 2299900100033 DETECTOR (TELES,HPGE,SCIN) Anti-Compton Ge spectrometer consists2299900100034 of a HPGe detector with a diameter of 51 mm and a 2299900100035 length of 52.7 mm, and a BGO detector with an outer 2299900100036 diameter of 171 mm and a length of 206 mm. 2299900100037 METHOD (GSPEC) Gamma spectroscopy. 2299900100038 MONITOR (1-H-2(N,G)1-H-3,PAR,SPC) 2299900100039 DECAY-MON (1-H-3,,DG,6257.) 2299900100040 DECAY-DATA (8-O-19,26.9SEC,B-,,,DG) 2299900100041 (3-LI-8,,DG) 2299900100042 (9-F-20,,DG) 2299900100043 (19-K-40,,B-) 2299900100044 (32-GE-73-M,,DG) 2299900100045 SAMPLE .A D2-(18-O) sample of 12.9 g with 95.1% enriched in 2299900100046 18-O and 98.5% enriched in D2, and a natural D2-Onat 2299900100047 sample of 12 g were used to make corrections for 2299900100048 background arising from free gamma-ray spectrum of 2299900100049 18-O(n,g)19-O reaction. A D2-(18-O) sample was used 2299900100050 instead of a H2-(18-O) sample because H-2(n,g)H-3 2299900100051 cross section is much lower than that of H-1(n,g)H-2, 2299900100052 to measure the gamma-ray spectrum with a good signal- 2299900100053 to-noise ratio. These samples were contained in a 2299900100054 cylindrical case made of Lucite. 2299900100055 ERR-ANALYS (DATA-ERR) Errors not specified 2299900100056 HISTORY (20080522C) SM 2299900100057 (20080618A) BIB-information in SAN 002 updated - SM 2299900100058 (20140817A) SD: REACTION (2) and data deleted in Sub.4.2299900100059 ENDBIB 57 0 2299900100060 COMMON 1 3 2299900100061 EN-DUMMY 2299900100062 EV 2299900100063 0.0253 2299900100064 ENDCOMMON 3 0 2299900100065 ENDSUBENT 64 0 2299900199999 SUBENT 22999002 20080618 21992299900200001 BIB 11 29 2299900200002 REACTION 1((8-O-18(N,G)8-O-19,,SPC,,MXW)// 2299900200003 (8-O-18(N,G)8-O-19,,SPC,,MXW)) Relative to 1375 2299900200004 keV gamma line taken for 100 units 2299900200005 2((8-O-18(N,G)8-O-19,,SPC,,MXW)// 2299900200006 (8-O-18(N,G)8-O-19,,SPC,,MXW)) Relative to 1375 2299900200007 keV gamma line taken for 100 units. For F-19 gamma 2299900200008 transition 2299900200009 MONITOR ((MONIT1)8-O-18(N,G)8-O-19,,SIG,,MXW) 2299900200010 MONIT-REF (,N.WUST+,J,PR/C,19,1153,1979) 2299900200011 ASSUMED (ASSUM,8-O-18(N,G)8-O-19,,SIG,,MXW) 2299900200012 REL-REF (R,,G.AUDI+,J,NP/A,595,409,1995) O-18(N,G) cross sec- 2299900200013 tion from REL-REF 2299900200014 ANALYSIS 1.Data for O-19 gamma transition 2299900200015 2.Data for F-19 gamma transition 2299900200016 EN-SEC (E,G) 2299900200017 .Energy levels of 8-O-19: Initial level of gamma 2299900200018 transitions 2299900200019 LVL-INI = 0.0960MeV,SPIN=1.5,PARITY=+1. 2299900200020 LVL-INI = 1.471MeV,SPIN=0.5,PARITY=+1. 2299900200021 LVL-INI = 3.233MeV,SPIN=0.5,PARITY=-1. 2299900200022 LVL-INI = 3.944MeV,SPIN=1.5,PARITY=-1. 2299900200023 LVL-INI = 3.962MeV,SPIN=0.5,PARITY=+1. 2299900200024 ERR-ANALYS (E-ERR) Error of the nominator energy 2299900200025 FLAG (1.) Derived data 2299900200026 STATUS (TABLE) Data taken from Table I, level properties - 2299900200027 from Table II of main reference 2299900200028 HISTORY (20080618A) MONITOR and ASSUMED keywords added 2299900200029 LEVEL-PROP formalism abandoned 2299900200030 DATA section corrected 2299900200031 ENDBIB 29 0 2299900200032 COMMON 6 3 2299900200033 E-DN E-ERR MONIT1 MONIT1-ERR ASSUM ASSUM-ERR 2299900200034 KEV KEV MICRO-B MICRO-B MICRO-B MICRO-B 2299900200035 1375. 0.5 187. 10. 160. 10. 2299900200036 ENDCOMMON 3 0 2299900200037 DATA 9 11 2299900200038 E-NM DATA 1DATA-ERR 1DATA-MAX 1DATA 2DATA-ERR 22299900200039 LVL-INI LVL-FIN FLAG 2299900200040 KEV NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 2299900200041 KEV KEV NO-DIM 2299900200042 18.4 123. 10. 2299900200043 3944. 1. 2299900200044 96.0 198. 30. 2299900200045 96. 0. 2299900200046 197.3 197. 16. 2299900200047 190. 2299900200048 729.4 36. 5. 2299900200049 2299900200050 1356.5 101. 9. 2299900200051 190. 2299900200052 1375.0 100. 2299900200053 1471. 96. 2299900200054 2473.0 46. 6. 2299900200055 3944. 1471. 2299900200056 2491.4 31. 4. 2299900200057 1471. 2299900200058 3137.3 31. 4. 2299900200059 3233. 96. 2299900200060 3848.0 66. 7. 2299900200061 3944. 96. 2299900200062 3944. 11. 2299900200063 3944. 0. 2299900200064 ENDDATA 26 0 2299900200065 ENDSUBENT 64 0 2299900299999 SUBENT 22999003 20080522 21972299900300001 BIB 5 8 2299900300002 REACTION 1(8-O-18(N,G)8-O-19,PAR,SIG,G,MXW) 2299900300003 2(8-O-18(N,G)8-O-19,PAR,SIG,G,MXW) 2299900300004 ANALYSIS 1.Data for O-19 gamma transition 2299900300005 2.Data for F-19 gamma transition 2299900300006 REL-REF (R,22999002,Y.NAGAI+,J,PR/C,76,051301,200711) 2299900300007 FLAG (1.) Derived data 2299900300008 STATUS (DEP,22999002) 2299900300009 (TABLE) From Table I of main reference 2299900300010 ENDBIB 8 0 2299900300011 COMMON 1 3 2299900300012 E-ERR 2299900300013 KEV 2299900300014 0.5 2299900300015 ENDCOMMON 3 0 2299900300016 DATA 6 5 2299900300017 E DATA 1DATA-ERR 1DATA 2DATA-ERR 2FLAG 2299900300018 KEV MICRO-B MICRO-B MICRO-B MICRO-B NO-DIM 2299900300019 18.4 100. 10. 1. 2299900300020 197.3 166. 13. 2299900300021 729.4 32. 5. 2299900300022 1356.5 85. 8. 2299900300023 2491.4 28. 4. 2299900300024 ENDDATA 7 0 2299900300025 ENDSUBENT 24 0 2299900399999 SUBENT 22999004 20140817 22402299900400001 BIB 5 11 2299900400002 REACTION (8-O-18(N,G)8-O-19,,SIG,G,MXW,DERIV) 2299900400003 ANALYSIS Total neutron capture cross section was derived by 2299900400004 normalizing the 1356 keV gamma-ray yield from the 2299900400005 gamma-decay of O-19 with the 1088 keV gamma-ray yield 2299900400006 of the O-16(n,gamma)O-17 reaction with the well known 2299900400007 cr.sec. of 187 +- 10 mu-b (see REL-REF) 2299900400008 REL-REF (R,,N.Wust+,J,PR/C,19,1153,1979) 2299900400009 STATUS (TABLE) From the text of PR/C,76,051301 (p.051301-4) 2299900400010 HISTORY (20080618U) DATA-ERR for pointer 2 corrected 2299900400011 (20140817A) SD: REACTION (2) and data deleted - data 2299900400012 calculated by compiler. 2299900400013 ENDBIB 11 0 2299900400014 NOCOMMON 0 0 2299900400015 DATA 2 1 2299900400016 DATA DATA-ERR 2299900400017 MICRO-B MICRO-B 2299900400018 160. 10. 2299900400019 ENDDATA 3 0 2299900400020 ENDSUBENT 19 0 2299900499999 ENDENTRY 4 0 2299999999999