ENTRY 30321 20120427 31553032100000001 SUBENT 30321001 20120427 31553032100100001 BIB 14 35 3032100100002 TITLE Measurement of the incoherent neutron scattering cross-3032100100003 sections of chromium by neutron polarization analysis 3032100100004 AUTHOR (R.Cywinski, T.J.Hicks) 3032100100005 INSTITUTE (3AULMOU) 3032100100006 REFERENCE (J,JP/C,11,L899,1978) 3032100100007 FACILITY (REAC,3AULAUA) HIFAR reactor 6HGR9 beam hole 3032100100008 INC-SOURCE (POLNS) Mechanical LONGPOL polarization analysis facili3032100100009 REL-REF (I,,S.J.Campbell+,J,JP/E,7,195,1974) 3032100100010 Description of LONGPOL 3032100100011 (I,,J.R.Davis,T,DAVIS,1977) 3032100100012 Description of LONGPOL, PhD thesis, Monash Univ. 3032100100013 SAMPLE Purified 99.995% electrolytic Cr-flakes were 3032100100014 consolidated in an argon arc furnace. 3032100100015 The sample (size = 37x25x10 mm), sealed in a quartz 3032100100016 capsule, was annealed for 48 hours at 1050 deg-C and 3032100100017 quenched into iced water. 3032100100018 METHOD (FNB,DIFFR) Separation of spin-flip from nonspin-flip 3032100100019 on transmission through iron filters. 3032100100020 Spin-flip and non-spin-flip neutron intensities were 3032100100021 measured at 6 scattering angles 3032100100022 ranging from 15 to 65 degs. 3032100100023 MONITOR Neutron intensities were calibrated by comparison with 3032100100024 a vanadium standard. 3032100100025 CORRECTION - For air scattering, self attenuation, neutron back- 3032100100026 ground 3032100100027 - Multiple scattering corrections. 3032100100028 COMMENT Compiler's note: 3032100100029 The incoming neutron energy given below was calculated 3032100100030 from the neutron wave length = 3.6 +- 0.3 Angstrom, 3032100100031 given by the authors. 3032100100032 STATUS (TABLE,APRVD) Letter R.Cywinski (1980-02-14) 3032100100033 HISTORY (19791005C) TL. 3032100100034 (19800221U) ML. Addition by author 3032100100035 (20090125A) BIB section updated 3032100100036 (20120427U) On. REFERENCE, REL-REF, METHOD updated. 3032100100037 ENDBIB 35 0 3032100100038 COMMON 3 3 3032100100039 TEMP EN EN-RSL 3032100100040 K MILLI-EV MILLI-EV 3032100100041 4.2 6.31 1.00 3032100100042 ENDCOMMON 3 0 3032100100043 ENDSUBENT 42 0 3032100199999 SUBENT 30321002 20090115 31343032100200001 BIB 3 14 3032100200002 REACTION (24-CR-0(N,THS)24-CR-0,,DA) Isotropic part 3032100200003 ANALYSIS The spin-flip and non-spin-flip cross-sections were 3032100200004 summed to give the total cross-section. 3032100200005 A slight decrease of the non-spin-flip (and hence the 3032100200006 total) cross-section with scattering vector was ob- 3032100200007 served, which was however neglected for the present 3032100200008 consideration of the isotropic contribution. 3032100200009 The measured cross-sections (at high scattering 3032100200010 vectors), after correction, were 3032100200011 spin-flip 20 millibarn/sr,atom 3032100200012 non-spin-flip 120 millibarn/sr,atom 3032100200013 STATUS (CURVE)The values (spin-flip,non-spin-flip,total 3032100200014 scattering cross-section) were read from Fig.1 of 3032100200015 J.Phys.C,vol.11, page l899. 3032100200016 ENDBIB 14 0 3032100200017 NOCOMMON 0 0 3032100200018 DATA 3 1 3032100200019 ANG-MIN ANG-MAX DATA 3032100200020 ADEG ADEG MB/SR 3032100200021 1.5000E+01 6.5000E+01 1.4000E+02 3032100200022 ENDDATA 3 0 3032100200023 ENDSUBENT 22 0 3032100299999 SUBENT 30321003 20090115 31343032100300001 BIB 4 7 3032100300002 REACTION (24-CR-0(N,THS)24-CR-0,INC,SIG) Isotropic part 3032100300003 MISC-COL (MISC1) Isotopic disorder cross-section 3032100300004 (MISC2) Nuclear-spin incoherent cross-section 3032100300005 STATUS (TABLE) Data from Table 1 of J.Phys.C, vol.11,p.1899 3032100300006 (DEP,30321002) 3032100300007 ERR-ANALYS (MISC1-ERR) No details given 3032100300008 (MISC2-ERR) No details given 3032100300009 ENDBIB 7 0 3032100300010 NOCOMMON 0 0 3032100300011 DATA 6 1 3032100300012 DATA DATA-ERR MISC1 MISC1-ERR MISC2 MISC2-ERR 3032100300013 B B B B B B 3032100300014 1.7600E+00 1.3000E-01 1.3800E+00 1.3000E-01 3.8000E-01 8.0000E-023032100300015 ENDDATA 3 0 3032100300016 ENDSUBENT 15 0 3032100399999 ENDENTRY 3 0 3032199999999