ENTRY 30540 20090503 31373054000000001 SUBENT 30540001 20090503 31373054000100001 BIB 13 28 3054000100002 INSTITUTE (3CZRUJF) 3054000100003 (4ZZZDUB) Last author's address. 3054000100004 REFERENCE (J,ZP/A,294,197,198002) 3054000100005 AUTHOR (J.Kvitek,J.Hoffmann,J.Cervena,J.Vacik,F.Becvar, 3054000100006 Yu.P.Popov) 3054000100007 TITLE The Sm-147(n,a)Nd-144 reaction on 2 keV neutrons. 3054000100008 FACILITY (REAC,3CZRUJF) VVR-S reactor 3054000100009 INC-SOURCE Quasi-monoenergetic neutrons, energy of which is around3054000100010 2 keV. The neutrons were passed through a filter of 3054000100011 185 g/cm2 (600mm, diam.of 20mm, pressed into lead 3054000100012 rings) pure metallic scandium. 3054000100013 (2.4+-0.4)*10**6/cm2/sec with an energy of 2keV and 3054000100014 FWHM of 900 eV. 3054000100015 SAMPLE Enriched Sm-147. Sm(2)-O(3),5./10**4 g/cm2 thick. 3054000100016 Sample was in a vacuum chamber. 3054000100017 METHOD (PHD,FNB) 3054000100018 The alpha spectrum was accumulated during 870 hours 3054000100019 and background was measured for 206 hours with neutron 3054000100020 beam additionally filtered by 18.1 g/cm2 manganese and 3054000100021 2.7 g/cm2 cerium. 3054000100022 DETECTOR (SIBAR) 8cm2 silicon surface-barrier detector. 3054000100023 .Geometrical factor was calculated to be 1.6/10**2. 3054000100024 MONITOR No further information. 3054000100025 ERR-ANALYS (DATA-ERR) No further information. 3054000100026 STATUS Data taken from Z.Physik, A294(1980)197. 3054000100027 HISTORY (19800916C) 3054000100028 (20090312A) SD:Updated to new date formats,lower case, 3054000100029 made formal corrections. 3054000100030 ENDBIB 28 0 3054000100031 NOCOMMON 0 0 3054000100032 ENDSUBENT 31 0 3054000199999 SUBENT 30540002 20090503 31373054000200001 BIB 3 7 3054000200002 REACTION (62-SM-147(N,A)60-ND-144,PAR,SIG) 3054000200003 EN-SEC Compiler's note === The level energies of Nd-144 are 3054000200004 taken from Table of isotopes 6th ed.. 3054000200005 COMMENT Alpha emission width to ground (0+) state of Nd-144 is3054000200006 alpha-width = (5.3+-1.4) micro-eV, 3054000200007 and for transition to the 1st excited state is 3054000200008 alpha-width = (1.3+-0.3) micro-eV. 3054000200009 ENDBIB 7 0 3054000200010 COMMON 1 3 3054000200011 EN-APRX 3054000200012 KEV 3054000200013 2.0000E+00 3054000200014 ENDCOMMON 3 0 3054000200015 DATA 4 3 3054000200016 E-LVL E-LVL-MIN DATA DATA-ERR 3054000200017 MEV MEV MICRO-B MICRO-B 3054000200018 0.0000E+00 1.1850E+02 2.2000E+01 3054000200019 6.9500E-01 7.8000E+01 1.7000E+01 3054000200020 1.3100E+00 1.2000E+01 1.2000E+01 3054000200021 ENDDATA 5 0 3054000200022 ENDSUBENT 21 0 3054000299999 SUBENT 30540003 20090503 31373054000300001 BIB 3 6 3054000300002 REACTION (62-SM-147(N,A)60-ND-144,,SIG) 3054000300003 COMMENT This is in a good agreement with the theoretical value 3054000300004 of 230 micro-barns calculated with cluster model of 3054000300005 furman. (Ref. JINR-report P3-11392(1978)) 3054000300006 STATUS (DEP,30540002) 3054000300007 sum of partial cross-sections. 3054000300008 ENDBIB 6 0 3054000300009 NOCOMMON 0 0 3054000300010 DATA 3 1 3054000300011 EN-APRX DATA DATA-ERR 3054000300012 KEV MICRO-B MICRO-B 3054000300013 2.0000E+00 1.9700E+02 3.5000E+01 3054000300014 ENDDATA 3 0 3054000300015 ENDSUBENT 14 0 3054000399999 ENDENTRY 3 0 3054099999999