ENTRY 13830 20181203 14451383000000001 SUBENT 13830001 20181203 14451383000100001 BIB 12 36 1383000100002 INSTITUTE (1USAANL,2BLGLVN,2GERMUN) 1383000100003 REFERENCE (J,PR/C,33,1141,1986) 1383000100004 AUTHOR (G.Vandenput,P.H.M.Van Assche,L.Jacobs, 1383000100005 J.M.Van den Cruyce,R.K.Smither,K.Schreckenbach, 1383000100006 T.von Egidy,D.Breitig,H.A.Baader,H.R.Koch) 1383000100007 TITLE Low-energy level structure of 151Sm by neutron capture 1383000100008 reactions and theoretical interpretation. 1383000100009 FACILITY (REAC,1USAANL) In-pile (n,gamma) facility at Argonne 1383000100010 CP-5 research reactor. 1383000100011 INC-SOURCE (REAC) Reactor core with a neutron flux at the in-pile 1383000100012 sample position ~3e+13 n/(cm2.s). 1383000100013 INC-SPECT Reactor spectrum effectively limited by boron that 1383000100014 removes low-energy neutrons. The dominant 1383000100015 contributions to the spectrum were from neutrons in 1383000100016 the approximate energy range 0.1-4 keV. 1383000100017 SAMPLE Capturing target of 4 g of Sm2O3 enriched to 1383000100018 95.48(10) at.% in 150Sm, surrounded by 3.2 mm of 10B. 1383000100019 (62-SM-150,ENR=0.9548) 1383000100020 METHOD Measured average intensity of primary gamma 1383000100021 transitions to low-lying levels, where neutron 1383000100022 capture takes place in a large number of resonances. 1383000100023 The averaging reduces the strong Porter-Thomas 1383000100024 fluctuations in the intensities of the primary gamma 1383000100025 rays normally associated with neutron capture in 1383000100026 single resonances. 1383000100027 MONITOR Energies and relative intensities of primary gamma-ray 1383000100028 transitions were calibrated using the 14N(n,gamma)15N 1383000100029 spectrum, by adding a small amount of nitrogen gas to 1383000100030 the He atmosphere arround the in-pile sample. 1383000100031 Gamma-ray lines were identified by comparing with 1383000100032 avarage resonance capture data for the other Sm 1383000100033 isotopes. 1383000100034 CORRECTION Gamma-ray energies corrected for the average energy of 1383000100035 the captured neutrons. 1383000100036 HISTORY (20020329C) IS 1383000100037 (20181202U) OS. Minor BIB changes 1383000100038 ENDBIB 36 0 1383000100039 NOCOMMON 0 0 1383000100040 ENDSUBENT 39 0 1383000199999 SUBENT 13830002 20181203 14451383000200001 BIB 4 5 1383000200002 REACTION (62-SM-150(N,G)62-SM-151,,SPC,,SPA/REL) 1383000200003 ERR-ANALYS (DATA-ERR) Intensity uncertainties. 1383000200004 FLAG (1.) Energy values deduced from the level energies in 1383000200005 the final level scheme. 1383000200006 STATUS (TABLE) Data taken from Table V in reference. 1383000200007 ENDBIB 5 0 1383000200008 COMMON 2 3 1383000200009 EN-MIN EN-MAX 1383000200010 EV EV 1383000200011 100. 4000. 1383000200012 ENDCOMMON 3 0 1383000200013 DATA 6 46 1383000200014 E E-ERR DATA DATA-ERR DATA-MAX FLAG 1383000200015 KEV KEV ARB-UNITS PER-CENT ARB-UNITS NO-DIM 1383000200016 5591.63 0.2 2894. 5. 1383000200017 5530.62 20. 1. 1383000200018 5526.75 20. 1. 1383000200019 5504.91 30. 1. 1383000200020 5491.70 0.2 2506. 5. 1383000200021 5429.00 0.4 130. 30. 1383000200022 5428.04 40. 1. 1383000200023 5421.05 30. 1. 1383000200024 5387.43 40. 1383000200025 5310.81 0.2 4678. 5. 1383000200026 5301.60 30. 1. 1383000200027 5293.81 53. 1. 1383000200028 5289.86 0.2 440. 10. 1383000200029 5282.61 593. 20. 1. 1383000200030 5281.14 5433. 10. 1. 1383000200031 5272.47 30. 1. 1383000200032 5251.40 0.2 375. 10. 1383000200033 5240.78 331. 20. 1. 1383000200034 5200.57 0.4 89. 20. 1383000200035 5180.77 30. 1. 1383000200036 5159.00 0.3 118. 20. 1383000200037 5150.71 180. 25. 1. 1383000200038 5147.33 0.2 2168. 5. 1383000200039 5126.02 30. 1. 1383000200040 5106.04 30. 1. 1383000200041 5093.99 0.2 286. 20. 1383000200042 5091.66 0.4 99. 30. 1383000200043 5075.32 0.2 296. 10. 1383000200044 4975.90 30. 1. 1383000200045 4963.38 0.4 119. 20. 1383000200046 4933.27 0.4 239. 10. 1383000200047 4923.35 0.2 1144. 10. 1383000200048 4893.00 0.2 847. 10. 1383000200049 4878.59 40. 1. 1383000200050 4874.44 0.2 629. 10. 1383000200051 4854.48 0.2 620. 10. 1383000200052 4841.66 40. 1. 1383000200053 4826.00 0.2 873. 10. 1383000200054 4822.47 40. 1. 1383000200055 4804.53 0.4 91. 20. 1383000200056 4791.71 30. 1. 1383000200057 4779.46 60. 1. 1383000200058 4773.37 0.2 656. 10. 1383000200059 4760.30 0.4 91. 20. 1383000200060 4752.01 0.2 1475. 10. 1383000200061 4737.71 0.4 71. 20. 1383000200062 ENDDATA 48 0 1383000200063 ENDSUBENT 62 0 1383000299999 ENDENTRY 2 0 1383099999999