ENTRY 41375 20081203 41454137500000001 SUBENT 41375001 20081203 41454137500100001 BIB 13 30 4137500100002 TITLE Determination of Neutron Resonance Parameters Via 4137500100003 Gamma-Ray Multiplicity Spectrometry. 4137500100004 AUTHOR (G.P.Georgiev, N.G.Panajotova) 4137500100005 INSTITUTE (4ZZZDUB) 4137500100006 REFERENCE (C,96BUDA,2,929,1996) Main Reference 4137500100007 REL-REF (N,,G.P.Georgiev+,J,NP/A,117,586,1968) Details of exp. 4137500100008 setup and data acquisition system. 4137500100009 FACILITY (REAC,4ZZZDUB) Neutron Pulsed Booster IBR-30 4137500100010 Mean Booster Power is 10 Kw, Multiplication Coeff. 4137500100011 Is 200, Pulse Duration is 4 Microsec, Pulse Repetition4137500100012 Rate is 100 Hz, Resolution 4 Nsec/M 4137500100013 DETECTOR (D4PI,NAICR) Multisectional 4pi detector, named 4137500100014 'Romashka', consists of 16 independent sections. 4137500100015 These are Na-I(Tl) crystals 122*122*152 mm3, 4137500100016 pulse threshold is 100 keV . 4137500100017 (PROPC) He-3 counters for neutron flux monitoring . 4137500100018 COMMENT Use of the 'Romashka' detector allows simultaneous 4137500100019 determination of neutron scatterins and capture cross 4137500100020 sections. 4137500100021 METHOD (TOF) Time-Of-Flight, Flight Base is 501.9 M 4137500100022 MONITOR (50-SN-116(N,0),,EN) 4137500100023 MONIT-REF (,S.F.Mughabghab+,B,NEUT.CS 1B,,1984) BNL-325 . 4137500100024 BNL-325 data could be used for calibration of two 4137500100025 kinds gamma-ray multiplicity distributions observed in4137500100026 experiment. 4137500100027 STATUS (TABLE) Table of reference. 4137500100028 HISTORY (20010206C) Compiled at the Center - CJD 4137500100029 (20010206U) Last checking has been done. 4137500100030 (20081203U) M.M. Reference line was corrected. 4137500100031 BIB information was added. 4137500100032 ENDBIB 30 0 4137500100033 NOCOMMON 0 0 4137500100034 ENDSUBENT 33 0 4137500199999 SUBENT 41375002 20081203 41454137500200001 BIB 5 13 4137500200002 REACTION 1(50-SN-116(N,G)50-SN-117,,MLT,,RES) Average 4137500200003 multiplicity of cascades from resonance levels. 4137500200004 2(50-SN-116(N,0),,L) 4137500200005 ANALYSIS Spin assignment by gamma-cascade multiplicity method. 4137500200006 Multiplicity observed of emitted gamma-rays per neutron4137500200007 capture could have strong dependence on the difference 4137500200008 between the spins of the initial and final states. 4137500200009 ERR-ANALYS (DATA-ERR) Not Specified 4137500200010 FLAG (1.) Spin value determined with uncertainty 4137500200011 HISTORY (20081203A) M.M. Data units were changed: 4137500200012 GAM/PART -> PRT/REAC. 4137500200013 Reaction codes were changed : 4137500200014 (N,0),,MLT,G,RES -> (N,G),,MLT,,RES . 4137500200015 ENDBIB 13 0 4137500200016 NOCOMMON 0 0 4137500200017 DATA 5 10 4137500200018 EN-RES DATA 1DATA-ERR 1DATA 2FLAG 4137500200019 EV PRT/REAC PRT/REAC NO-DIM NO-DIM 4137500200020 111. 2.39 .01 0. 4137500200021 147.9 2.24 .01 1. 4137500200022 632. 2.25 .02 1. 4137500200023 750. 2.36 .05 0. 4137500200024 779. 2.3 .1 1. 1. 4137500200025 981. 2.17 .07 1. 4137500200026 1338. 2.4 .03 0. 1. 4137500200027 1557. 2.37 .06 0. 4137500200028 1802. 2.32 .05 1. 4137500200029 3380. 2.52 .07 0. 4137500200030 ENDDATA 12 0 4137500200031 ENDSUBENT 30 0 4137500299999 SUBENT 41375003 20081203 41454137500300001 BIB 1 1 4137500300002 REACTION (50-SN-116(N,0),,EN) 4137500300003 ENDBIB 1 0 4137500300004 NOCOMMON 0 0 4137500300005 DATA 1 12 4137500300006 DATA 4137500300007 EV 4137500300008 1150. 4137500300009 1205. 4137500300010 1640. 4137500300011 1950. 4137500300012 2040. 4137500300013 2180. 4137500300014 2680. 4137500300015 3460. 4137500300016 3770. 4137500300017 4500. 4137500300018 4640. 4137500300019 5330. 4137500300020 ENDDATA 14 0 4137500300021 ENDSUBENT 20 0 4137500399999 ENDENTRY 3 0 4137599999999