ENTRY 22716 20170601 22602271600000001 SUBENT 22716001 20170601 22602271600100001 BIB 12 48 2271600100002 TITLE .Neutron-electron scattering length and electric 2271600100003 polarizability of the neutron derived from cross 2271600100004 sections of bismuth and of lead and of its isotopes 2271600100005 AUTHOR (L.Koester, W.Waschkowski, L.V.Mitsyna, G.S.Samosvat, 2271600100006 P.Prokofjevs, J.Tambergs) 2271600100007 INSTITUTE (2GERMUN) Technische Universitaet Muenchen, Fakultaet 2271600100008 Physik, Germany. L.Koester and W.Waschkowski 2271600100009 (4ZZZDUB) Joint Institute for Nuclear Research, 2271600100010 Frank Laboratory, Russia. L.V.Mitsyna, G.S.Samosvat 2271600100011 (4LATLAT) Latvian Academy, Nuclear Research Center, 2271600100012 Salaspils, Latvia. P.Prokofjevs and J.Tambergs 2271600100013 REFERENCE (J,PR/C,51,3363,1995) Main reference, data given 2271600100014 (J,KSO,,(6/45),48,1990) First author Yu.A.Alexandrov. 2271600100015 In English. Prelim.data for Subent 002 in Table. 2271600100016 REL-REF (I,,W.Waschkowski+,J,ZN/A,31,115,1976) 2271600100017 W.Waschkowski,L.Koester,Z.Naturforsch.Teil A31,115,19762271600100018 Details of neutron source for 1.26eV(Rh), 5.19eV(Ag).2271600100019 (I,,W.Dilg+,J,ZN/A,26,442,1971) 2271600100020 Details of neutron source for 18.6eV (W), 128eV (Co) 2271600100021 (I,,L.Koester+,J,ZP/A,337,341,1990) 2271600100022 Details of neutron source for 1970eV (Cu-63). 2271600100023 (R,22217001,L.Koester+,J,ZP/A,337,341,1990) L.Koester, 2271600100024 W.Waschkowski,J.Meier. Auxiliary results for 1970eV : 2271600100025 11.198+-0.003 b (Pb), 8.292+-0.003b (Bi) 2271600100026 FACILITY (REAC,2GERMUN) FRM research reactor (open pool, 4 MW 2271600100027 thermal power) of the Technical University of Munich.2271600100028 INC-SOURCE (REAC) Neutrons from a radial beam tube 2271600100029 INC-SPECT .For the use of low neutron energies a set of continu- 2271600100030 ously rotating disks of resonance detectors selected 2271600100031 1.26 eV (Rh) and 5.19 eV (Ag). Neutron beams in a 2271600100032 tangential tube have been obtained by resonance 2271600100033 scattering on targets of W (18.6 eV), Co (128 eV), 2271600100034 and of 63Cu (1970 eV) near the surface of the reactor 2271600100035 core. 2271600100036 METHOD (TRN) Method of transmission measurements 2271600100037 ERR-ANALYS (DATA-ERR) Errors not specified 2271600100038 STATUS (TABLE) From Table III of PR/C,51,(6),3363,1995 2271600100039 HISTORY (20080714C) SM 2271600100040 (20081108U) BIB-information in REL-REF, ASSUMED 2271600100041 corrected - SM 2271600100042 (20170601A) M.M. Ref.KSO,,(6/45),48,1990 was added. 2271600100043 Minor corrections in data Subents 002-006. 2271600100044 Subent 007 was added . 2271600100045 ZN/A,31,115,1976 was moved in REL-REF. 2271600100046 ZP/A,338,233,1991; ZP/A,337,221,1990; ZP/A,337,341,19902271600100047 were deleted from REFERENCE- they are in REL-REFs in 2271600100048 data Subents, compiled in 22218, 22181, 22217, 2271600100049 respectively. I 2271600100050 ENDBIB 48 0 2271600100051 NOCOMMON 0 0 2271600100052 ENDSUBENT 51 0 2271600199999 SUBENT 22716002 20170601 22602271600200001 BIB 5 21 2271600200002 REACTION (82-PB-208(N,TOT),,SIG) 2271600200003 REL-REF (R,22218005,L.Koester+,J,ZP/A,338,233,1991) ASSUM1 2271600200004 (R,22104001,L.Koester+,J,ZP/A,329,229,1988) Value MISC 2271600200005 ASSUMED (ASSUM1,82-PB-208(N,THS)82-PB-208,BA/COH,AMP) 2271600200006 (ASSUM2,82-PB-208(N,EL)82-PB-208,,RAD) 2271600200007 Poterntial scattering radius 2271600200008 (ASSUM3,82-PB-208(N,G)82-PB-209,,SIG) For thermal En. 2271600200009 (ASSUM4,82-PB-208(N,EL)82-PB-208,INC,SIG) 2271600200010 Values are taken from Table II of main reference 2271600200011 MISC-COL (MISC) 82-PB-208(N,EL)82-PB-208 - Schwinger cross 2271600200012 section at 1.26 eV 2271600200013 SAMPLE .Four Pb-208 samples: 2271600200014 Sample# Mass density Thickness 2271600200015 #1 11.391+-0.006 g/cm3 0.05146+-2.E-5 at/b 2271600200016 #2 11.385+-0.004 g/cm3 0.07567+-2.E-5 at/b 2271600200017 #3 11.384+-0.004 g/cm3 0.09848+-2.E-5 at/b 2271600200018 Isotopic content: Pb208-97.26%, Pb207-2.06%, 2271600200019 Pb206-0.64%, Pb204- <=0.02% 2271600200020 #4 11.384+-0.005 g/cm3 0.06869+-3.E-5 at/b 2271600200021 Isotopic content: Pb208-98.3%, Pb207- 1.1%, 2271600200022 Pb206-0.6%, Pb204- 0.0% 2271600200023 ENDBIB 21 0 2271600200024 COMMON 9 6 2271600200025 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ASSUM3 ASSUM3-ERR 2271600200026 ASSUM4 MISC MISC-ERR 2271600200027 FERMI FERMI FERMI FERMI MB MB 2271600200028 MB MB MB 2271600200029 9.50 0.06 9.83 0.06 0.48 0.03 2271600200030 0. 2.8 0.1 2271600200031 ENDCOMMON 6 0 2271600200032 DATA 3 5 2271600200033 EN DATA DATA-ERR 2271600200034 EV B B 2271600200035 1.26 11.439 0.004 2271600200036 5.19 11.472 0.004 2271600200037 18.6 11.50 0.01 2271600200038 128. 11.50 0.01 2271600200039 1970. 11.464 0.003 2271600200040 ENDDATA 7 0 2271600200041 ENDSUBENT 40 0 2271600299999 SUBENT 22716003 20170601 22602271600300001 BIB 4 12 2271600300002 REACTION (82-PB-207(N,TOT),,SIG) 2271600300003 REL-REF (R,22218004,L.Koester+,J,ZP/A,338,233,1991) Value for 2271600300004 ASSUM1 2271600300005 ASSUMED (ASSUM1,82-PB-207(N,THS)82-PB-207,BA/COH,AMP) 2271600300006 (ASSUM2,82-PB-207(N,EL)82-PB-207,,RAD) From Table II 2271600300007 of main reference 2271600300008 Poterntial scattering radius 2271600300009 SAMPLE .One Pb-207 sample: Mass density 11.313+-0.004 g/cm3, 2271600300010 Thickness 0.08741 atoms/barn, isotopic content - 2271600300011 Pb208 - 13.5%, Pb207 - 83.3%, Pb206 - 3.0%, 2271600300012 Pb204 - 0.2% 2271600300013 (82-PB-207,ENR=0.833) 2271600300014 ENDBIB 12 0 2271600300015 COMMON 4 3 2271600300016 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR 2271600300017 FERMI FERMI FERMI FERMI 2271600300018 9.28 0.04 9.27 0.01 2271600300019 ENDCOMMON 3 0 2271600300020 DATA 3 3 2271600300021 EN DATA DATA-ERR 2271600300022 EV B B 2271600300023 1.26 11.151 0.012 2271600300024 5.19 11.132 0.013 2271600300025 1970. 11.052 0.012 2271600300026 ENDDATA 5 0 2271600300027 ENDSUBENT 26 0 2271600399999 SUBENT 22716004 20170601 22602271600400001 BIB 4 12 2271600400002 REACTION (82-PB-206(N,TOT),,SIG) 2271600400003 REL-REF (R,22218003,L.Koester+,J,ZP/A,338,233,1991) Values for 2271600400004 ASSUM1, ASSUM2 2271600400005 ASSUMED (ASSUM1,82-PB-206(N,THS)82-PB-206,BA/COH,AMP) ASSUM1 2271600400006 (ASSUM2,82-PB-206(N,EL)82-PB-206,,RAD) From 2271600400007 Table II of main reference 2271600400008 Poterntial scattering radius 2271600400009 SAMPLE .One Pb-206 sample: Mass density 11.279+-0.003 g/cm3, 2271600400010 Thickness 0.07597 atoms/barn, isotopic content - 2271600400011 Pb208 - 2.7%, Pb207 - 4.9%, Pb206 - 92.2%, 2271600400012 Pb204 - 0.2% 2271600400013 (82-PB-206,ENR=0.922) 2271600400014 ENDBIB 12 0 2271600400015 COMMON 4 3 2271600400016 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR 2271600400017 FERMI FERMI FERMI FERMI 2271600400018 9.23 0.05 9.6 0.2 2271600400019 ENDCOMMON 3 0 2271600400020 DATA 3 3 2271600400021 EN DATA DATA-ERR 2271600400022 EV B B 2271600400023 1.26 11.799 0.005 2271600400024 5.19 10.827 0.007 2271600400025 1970. 10.803 0.006 2271600400026 ENDDATA 5 0 2271600400027 ENDSUBENT 26 0 2271600499999 SUBENT 22716005 20170601 22602271600500001 BIB 5 14 2271600500002 REACTION (82-PB-0(N,TOT),,SIG) 2271600500003 REL-REF (R,22181003,G.Reiner+,J,ZP/A,337,221,1990) Value for 2271600500004 ASSUM1 2271600500005 (R,22218010,L.Koester+,J,ZP/A,338,233,1991) ASSUM2 2271600500006 (R,22104001,L.Koester+,J,ZP/A,329,229,1988) Value MISC 2271600500007 ASSUMED (ASSUM1,82-PB-0(N,THS)82-PB-0,BA/COH,AMP) 2271600500008 (ASSUM2,82-PB-0(N,THS)82-PB-0,,RAD) 2271600500009 Poterntial scattering radius 2271600500010 (ASSUM3,82-PB-0(N,G),,SIG) For thermal Energy 2271600500011 (ASSUM4,82-PB-0(N,EL)82-PB-0,INC,SIG) ASSUM1 - ASSUM4 2271600500012 from Table II of main reference 2271600500013 MISC-COL (MISC) 82-PB-0(N,EL)82-PB-0 - Schwinger cross 2271600500014 section at 1.26 eV 2271600500015 SAMPLE .Lead sample with natural isotopic content 2271600500016 ENDBIB 14 0 2271600500017 COMMON 10 6 2271600500018 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ASSUM3 ASSUM3-ERR 2271600500019 ASSUM4 ASSUM4-ERR MISC MISC-ERR 2271600500020 FERMI FERMI FERMI FERMI MB MB 2271600500021 MB MB MB MB 2271600500022 9.405 0.003 9.75 0.05 171. 2. 2271600500023 3.0 0.7 2.8 0.1 2271600500024 ENDCOMMON 6 0 2271600500025 DATA 3 5 2271600500026 EN DATA DATA-ERR 2271600500027 EV B B 2271600500028 1.26 11.439 0.004 2271600500029 5.19 11.472 0.004 2271600500030 18.6 11.50 0.01 2271600500031 128. 11.50 0.01 2271600500032 1970. 11.464 0.003 2271600500033 ENDDATA 7 0 2271600500034 ENDSUBENT 33 0 2271600599999 SUBENT 22716006 20170601 22602271600600001 BIB 5 13 2271600600002 REACTION (83-BI-209(N,TOT),,SIG) 2271600600003 REL-REF (N,22181002,G.Reiner+,J,ZP/A,337,221,1990) Values for 2271600600004 ASSUM1 2271600600005 (R,22104001,L.Koester+,J,ZP/A,329,229,1988) Value MISC 2271600600006 ASSUMED (ASSUM1,83-BI-209(N,THS)83-BI-209,BA/COH,AMP) 2271600600007 (ASSUM2,83-BI-209(N,THS)83-BI-209,,RAD) 2271600600008 Poterntial scattering radius 2271600600009 (ASSUM3,83-BI-209(N,G)83-BI-210,,SIG) For thermal En. 2271600600010 (ASSUM4,83-BI-209(N,EL)83-BI-209,INC,SIG) ASSUM1 - 2271600600011 ASSUM4 are from Table II of main reference 2271600600012 MISC-COL (MISC) 83-BI-209(N,EL)83-BI-209 - Schwinger cross 2271600600013 section at 1.26 eV 2271600600014 SAMPLE Natural Bi . 2271600600015 ENDBIB 13 0 2271600600016 COMMON 10 6 2271600600017 ASSUM1 ASSUM1-ERR ASSUM2 ASSUM2-ERR ASSUM3 ASSUM3-ERR 2271600600018 ASSUM4 ASSUM4-ERR MISC MISC-ERR 2271600600019 FERMI FERMI FERMI FERMI MB MB 2271600600020 MB MB MB MB 2271600600021 8.532 0.002 9.75 0.10 33.8 0.7 2271600600022 8.4 1.0 2.9 0.1 2271600600023 ENDCOMMON 6 0 2271600600024 DATA 3 5 2271600600025 EN DATA DATA-ERR 2271600600026 EV B B 2271600600027 1.26 9.256 0.005 2271600600028 5.19 9.282 0.005 2271600600029 18.6 9.283 0.010 2271600600030 128. 9.162 0.005 2271600600031 1970. 8.290 0.005 2271600600032 ENDDATA 7 0 2271600600033 ENDSUBENT 32 0 2271600699999 SUBENT 22716007 20170601 22602271600700001 BIB 4 6 2271600700002 REACTION (82-PB-208(N,TOT),,SIG,,,DERIV) 2271600700003 ANALYSIS Isotope value was derived from sample values . 2271600700004 STATUS (DEP,22716002) Pb-208 sample values 2271600700005 (DEP,22716003) Pb-207 sample values 2271600700006 (DEP,22716004) Pb-206 sample values 2271600700007 HISTORY (20170601C) M.M. Subent was added. 2271600700008 ENDBIB 6 0 2271600700009 NOCOMMON 0 0 2271600700010 DATA 3 3 2271600700011 EN DATA DATA-ERR 2271600700012 EV B B 2271600700013 1.26 11.452 0.004 2271600700014 5.19 11.486 0.004 2271600700015 1970. 11.479 0.003 2271600700016 ENDDATA 5 0 2271600700017 ENDSUBENT 16 0 2271600799999 ENDENTRY 7 0 2271699999999