ENTRY 30937 20090913 31413093700000001 SUBENT 30937001 20090913 31413093700100001 BIB 10 22 3093700100002 TITLE Thermal neutron capture gamma-rays 3093700100003 AUTHOR (K.Sriramamurty,Ch.Suryanarayana,D.L.Sastry, 3093700100004 Sqami Jnanananda) 3093700100005 INSTITUTE (3INDAUW) 3093700100006 REFERENCE (J,IPA,7,(8),542,1969) Detailed information.Data Tables3093700100007 (C,67KANPUR,,416,1967) Experimental set-up. 3093700100008 MONITOR The neutron flux was estimated, employing the gold foil3093700100009 activation technique. 3093700100010 FACILITY (REAC,3INDTRM) 40 MW CIRUS reactor 3093700100011 INC-SOURCE *The neutron beam: collimated to 1 inch in diam. and 3093700100012 intensity of 10**6 neutrons/sec/cm**2. 3093700100013 *The beam is filtered for gamma-rays and fast neutrons 3093700100014 METHOD (GSPEC) 3093700100015 (COINC) Fast-slow coincidence spectometer used 3093700100016 DETECTOR (NAICR) *1.5 x 1.5 inch NaI(Tl) crystal,coupled to 3093700100017 RCA 6810A photomultiplier. 3093700100018 *Nai(Tl) crystal was covered on all its open 3093700100019 surfaces with lithium carbonate to prevent the entry 3093700100020 of the scattered neutrons. 3093700100021 *Resolution : 8.4 % for the 662. keV 137-Cs peak. 3093700100022 HISTORY (19900208C) VOF.- 3093700100023 (20090912A) SD:Updated to new date formats,lower case. 3093700100024 ENDBIB 22 0 3093700100025 COMMON 1 3 3093700100026 EN-DUMMY 3093700100027 EV 3093700100028 0.0253 3093700100029 ENDCOMMON 3 0 3093700100030 ENDSUBENT 29 0 3093700199999 SUBENT 30937002 20090913 31413093700200001 BIB 5 14 3093700200002 REACTION (58-CE-140(N,G)58-CE-141,,SPC,,REL) 3093700200003 Intensities are relative to the intensity of 668 keV 3093700200004 gamma-ray. 3093700200005 SAMPLE Natural sample of 99.99%. Ce-oxide 3093700200006 ERR-ANALYS The overall error in the energy values is of: 3093700200007 -in the region below 200 keV : 2 % 3093700200008 -in the region above 200 keV : 1 % 3093700200009 The larger error in the low energy region may be 3093700200010 attributed to the slight nonlinearity in that region. 3093700200011 COMMENT The contribution of Ce-142(n,g)Ce-143 (with similar 3093700200012 gamma lines, but quite diff. half-life) has been 3093700200013 carefully examined and found to be almost negligible 3093700200014 STATUS (TABLE) Data taken from Ind.J.Pure and Appl.Phys., 3093700200015 vol 7,pag 544.Tab.3,1969 3093700200016 ENDBIB 14 0 3093700200017 NOCOMMON 0 0 3093700200018 DATA 2 9 3093700200019 E DATA 3093700200020 KEV ARB-UNITS 3093700200021 91.0 0.250 3093700200022 145.0 0.360 3093700200023 179.0 0.270 3093700200024 352.0 0.050 3093700200025 448.0 0.360 3093700200026 510.0 0.625 3093700200027 628.0 0.296 3093700200028 668.0 1.000 3093700200029 828.0 0.760 3093700200030 ENDDATA 11 0 3093700200031 ENDSUBENT 30 0 3093700299999 ENDENTRY 2 0 3093799999999