ENTRY 22460 20090506 22122246000000001 SUBENT 22460001 20090506 22122246000100001 BIB 13 26 2246000100002 TITLE .Detrmination of the neutron scattering length of 2246000100003 207Pb by neutron interferometry method 2246000100004 AUTHOR (A.Ioffe, I.Karpikhin, P.Krupchitsky, P.Lucas, 2246000100005 P.Micula, M.Vrana) 2246000100006 INSTITUTE (2GERBER) Ioffe, experimental site 2246000100007 (4RUSLIN) Ioffe 2246000100008 (4RUSITE) Karpikhin, Krupchitsky 2246000100009 (3CZRUJV) Lukas, Mikuta, Vrana 2246000100010 REFERENCE ((S,ISINN-4,219,199604)=(S,JINR-E3-96-336,219,199604)) 2246000100011 Main reference 2246000100012 FACILITY (REAC,2GERBER) 2246000100013 (REAC,3CZRUJV) 2246000100014 MONITOR (14-SI-0(N,THS)14-SI-0,COH,AMP) 2246000100015 MONIT-REF (10295002,C.G.SHULL+,J,PRL,29,871,197209) 2246000100016 METHOD .Neutron interferometry 2246000100017 SAMPLE .Plane-parallel lead disk diameter 25 mm, 2246000100018 thickness 6.660+-0.002 mm, 207Pb content is 83.3%, 2246000100019 204Pb Content Less Than 0.02%,206Pb Content is 2.61%, 2246000100020 208Pb content is 9.08% 2246000100021 COMMENT .Neutrons have wave-lengths lambda =2 and 1 angstrom. 2246000100022 Energy was calculated as H**2/(2m*lambda**2), 2246000100023 H - plank'S constant 2246000100024 ERR-ANALYS (ERR-T) Total error 2246000100025 STATUS .Data from the text of main reference 2246000100026 HISTORY (20000304C) + + Compiled by S.Maev 2246000100027 (20090506U) JINR-E3 updated with ISINN . 2246000100028 ENDBIB 26 0 2246000100029 COMMON 4 3 2246000100030 EN-MIN EN-MAX MONIT MONIT-ERR 2246000100031 EV EV FERMI FERMI 2246000100032 2.06E-02 8.25E-02 4.149 0.001 2246000100033 ENDCOMMON 3 0 2246000100034 ENDSUBENT 33 0 2246000199999 SUBENT 22460002 20090506 22122246000200001 BIB 2 3 2246000200002 REACTION (82-PB-0(N,THS)82-PB-0,COH,AMP,,AV) Averaged over 2246000200003 neutron spectrum 2246000200004 HISTORY (20090506U) SF8 added 2246000200005 ENDBIB 3 0 2246000200006 NOCOMMON 0 0 2246000200007 DATA 2 1 2246000200008 DATA ERR-T 2246000200009 FERMI FERMI 2246000200010 9.2991 0.0332 2246000200011 ENDDATA 3 0 2246000200012 ENDSUBENT 11 0 2246000299999 SUBENT 22460003 20090506 22122246000300001 BIB 6 14 2246000300002 REACTION (82-PB-207(N,THS)82-PB-207,COH,AMP,,AV,DERIV) Averaged 2246000300003 over neutron spectrum 2246000300004 ASSUMED (ASSUM1,82-PB-206(N,THS)82-PB-206,COH,AMP) 2246000300005 (ASSUM2,82-PB-208(N,THS)82-PB-208,COH,AMP) 2246000300006 REL-REF (A,22218004,L.KOESTLER+,J,ZP/A,338,233,1991) 2246000300007 (R,,A.IOFFE,J,ZP/A,348,243,1994) 2246000300008 (R,22218003,L.KOESTLER,J,ZP/A,338,233,1991) 2246000300009 (R,22218005,L.KOESTLER,J,ZP/A,338,233,1991) 2246000300010 ERR-ANALYS (ERR-SYS) Systematic error consisting of silicon scatt.2246000300011 Amplitude error, thickness of Si-plate error, 2246000300012 thickness of lead metal sample and atomic density 2246000300013 errors 2246000300014 STATUS (DEP,22460002) 2246000300015 HISTORY (20090506U) SF8 added 2246000300016 ENDBIB 14 0 2246000300017 NOCOMMON 0 0 2246000300018 DATA 5 1 2246000300019 DATA ERR-T ERR-SYS ASSUM1 ASSUM2 2246000300020 FERMI FERMI FERMI FERMI FERMI 2246000300021 9.282 0.035 0.011 9.23 9.494 2246000300022 ENDDATA 3 0 2246000300023 ENDSUBENT 22 0 2246000399999 ENDENTRY 3 0 2246099999999