ENTRY 40343 20220111 42044034300000001 SUBENT 40343001 20220111 42044034300100001 BIB 14 33 4034300100002 TITLE Measurement of the Alpha value coefficient for 4034300100003 plutonium-239 in the 3 - 100 keV neutron energy region 4034300100004 AUTHOR (P.E.Vorotnikov,V.A.Vukolov,E.A.Koltypin, 4034300100005 Yu.D.Molchanov,G.V.Yan'kov) 4034300100006 REFERENCE (C,73KIEV,4,42,1973) Data are given. 4034300100007 No INDC(CCP) rep. for 73KIEV. 4034300100008 (R,YFI-17,21,1974) Exp.details. 4034300100009 (R,INDC(CCP)-48,19,1975) Engl.translation of YFI-17,21 4034300100010 INSTITUTE (4RUSKUR) 4034300100011 FACILITY (VDG,4RUSKUR) Pulsed Van-de-Graaff 4034300100012 INC-SOURCE (P-LI7) Metal Li on Ta backing. 4034300100013 METHOD (TOF) Time resolution 8 nsec (full width). 4034300100014 Flight path ~40 cm. For neutron energy measurement. 4034300100015 DETECTOR (SCIN) 3 stilbene crystals (5 x 5 cm) for gamma and 4034300100016 neutrons registration were used. 4034300100017 (FISCH) For fission fragments. 4034300100018 MONITOR (94-PU-239(N,ABS),,ALF) Average value of two works: 4034300100019 MONIT-REF (40412005,V.N.Kononov+,R,INDC(CCP)-21,1972) 4034300100020 (12409004,G.de Saussure,C,66PARIS,2,223,1966) 4034300100021 +A.Lottin et all. 4034300100022 PART-DET (G,N) 4034300100023 CORRECTION Correction on effects of fragments collimation in 4034300100024 plutonium layer of chamber, anisotropic yield of 4034300100025 neutron relative to direction of fission fragments 4034300100026 scattering. 4034300100027 Background was measured by Pb sample. 4034300100028 ERR-ANALYS (DATA-ERR) Only measurement errors are given, 4034300100029 monitor uncertainty is not included. 4034300100030 HISTORY (19760220C) Compiled at the centre 4034300100031 (20220111A) M.M. Correction for current rules and 4034300100032 dictionaries. EN -> EN-NRM. 4034300100033 TITLE was corrected as given in INDC(CCP)-48,19,1975 - 4034300100034 Engl.translation of YFI-17,21,1974. 4034300100035 ENDBIB 33 0 4034300100036 COMMON 2 3 4034300100037 EN-NRM MONIT 4034300100038 KEV NO-DIM 4034300100039 30. 0.277 4034300100040 ENDCOMMON 3 0 4034300100041 ENDSUBENT 40 0 4034300199999 SUBENT 40343002 20220111 42044034300200001 BIB 4 5 4034300200002 REACTION (94-PU-239(N,ABS),,ALF) 4034300200003 SAMPLE Metal Pu-239 weight 14.5 g, thickness 2.9E-3 at/b, 4034300200004 Pu-240 content 0.2%. 4034300200005 STATUS (TABLE) Table of Conf.Proc.73KIEV,v.4,p.42,1974 4034300200006 HISTORY (20220111A) 19 lines were added in DATA block. 4034300200007 ENDBIB 5 0 4034300200008 NOCOMMON 0 0 4034300200009 DATA 4 20 4034300200010 EN-MIN EN-MAX DATA DATA-ERR 4034300200011 KEV KEV NO-DIM NO-DIM 4034300200012 3. 4. 1.20 0.28 4034300200013 4. 5. 0.96 0.18 4034300200014 5. 6. 0.81 0.14 4034300200015 6. 7. 0.69 0.11 4034300200016 7. 8. 0.54 0.08 4034300200017 8. 9. 0.54 0.07 4034300200018 9. 10. 0.43 0.03 4034300200019 10. 12. 0.45 0.03 4034300200020 14. 16. 0.43 0.02 4034300200021 16. 18. 0.39 0.02 4034300200022 18. 21. 0.37 0.02 4034300200023 21. 24. 0.36 0.02 4034300200024 24. 28. 0.32 0.01 4034300200025 28. 32. 0.297 0.011 4034300200026 32. 38. 0.263 0.011 4034300200027 38. 45. 0.25 0.01 4034300200028 45. 54. 0.23 0.01 4034300200029 66. 84. 0.14 0.04 4034300200030 105. 131. 0.14 0.02 4034300200031 185. 251. 0.09 0.03 4034300200032 ENDDATA 22 0 4034300200033 ENDSUBENT 32 0 4034300299999 ENDENTRY 2 0 4034399999999