ENTRY 20598 19840126 00002059800000001 SUBENT 20598001 19840126 00002059800100001 BIB 16 28 2059800100002 INSTITUTE (2GERMUN) 2059800100003 REFERENCE (J,PRL,36,1021,7604) FINAL PUBLICATION. 2059800100004 (J,ZN/A,31,115,7602) TOTAL X-SECTIONS. 2059800100005 (J,ZP/A,272,189,7503) EXPERIMENTAL DETAILS. 2059800100006 (J,ZP,227,152,69) BI ATOMIC SCATTERING AMPLITUDE. 2059800100007 (P,NEANDC(E)-161U,,7408) PRELIMINARY REPORT. 2059800100008 (P,EANDC(E)-127,20,7003) PROGRESS REPORT 2059800100009 (C,67JUELICH,80,6704) PRELIMINARY REPORT 2059800100010 AUTHOR (L.KOESTER, W.NISTLER, W.WASCHKOWSKI) 2059800100011 TITLE -MEASUREMENT OF THE NEUTRON-ELECTRON INTERACTION BY 2059800100012 THE SCATTERING OF NEUTRONS BY LEAD AND BISMUTH-. 2059800100013 FACILITY .FRM RESEARCH REACTOR. 2059800100014 INC-SOURCE (REAC ) 2059800100015 INC-SPECT .VERY SLOW NEUTRONS FALLING UNDER GRAVITY. 2059800100016 SAMPLE .LIQUID METAL MIRRORS. 2059800100017 METHOD .COMPARISON OF THE COHERENT SCATTERING AMPLITUDES 2059800100018 MEASURED BY THE NEUTRON GRAVITY REFLECTOMETER WITH 2059800100019 TOTAL SCATTERING X-SECTIONS MEASURED BY TRANSMISSION 2059800100020 AT 1.26 AND 5.19 EV, ZN/A,31,115,7602. 2059800100021 DETECTOR .BF3. 2059800100022 MONITOR .ABSOLUTE. 2059800100023 PART-DET (N ) NEUTRONS. 2059800100024 STATUS .NUMERICAL VALUES IN TEXT, PRL,36,1021,7604. 2059800100025 HISTORY (760614C) 2059800100026 (761217E) 2059800100027 CORRECTION .CORIOLIS AND CENTRIFUGAL ACCELERATIONS. SEE 2059800100028 ZP/A,272,189,7503 FOR DETAILS. 2059800100029 ERR-ANALYS .STANDARD DEVIATIONS. 2059800100030 ENDBIB 28 0 2059800100031 NOCOMMON 0 0 2059800100032 ENDSUBENT 31 0 2059800199999 SUBENT 20598002 19840126 00002059800200001 BIB 4 8 2059800200002 REACTION (82-PB-0(N,THS),COH,AMP) 2059800200003 PB ATOM. 2059800200004 SAMPLE .LIQUID LEAD, 99.99 PERCENT PURITY. DENSITY 2059800200005 10.6595 - 0.001352(T-T(M))+-0.0010 G/CM-SQ BETWEEN 2059800200006 T = 330 AND 360 DEG CELSIUS. T(M) = 327.4 DEG C. 2059800200007 STATUS .VALUE IN TEXT, PRL,36,1021,7604. 2059800200008 HISTORY (760614C) 2059800200009 (761217E) 2059800200010 ENDBIB 8 0 2059800200011 NOCOMMON 0 0 2059800200012 DATA 4 1 2059800200013 EN-MIN EN-MAX DATA DATA-ERR 2059800200014 MILLI-EV MILLI-EV FERMI FERMI 2059800200015 2.0000E-01 2.0000E+00 9.4003E+00 1.4000E-03 2059800200016 ENDDATA 3 0 2059800200017 ENDSUBENT 16 0 2059800299999 SUBENT 20598003 19840126 00002059800300001 BIB 6 16 2059800300002 REACTION (82-PB-0(N,THS),COH,AMP) 2059800300003 BARE NUCLEUS VALUE. 2059800300004 SAMPLE .LIQUID PB. 99.99 PERCENT. 2059800300005 COMMENT .COMPARISON WITH ATOMIC SCATTERING AMPLITUDE GIVE A 2059800300006 VALUE FOR THE NEUTRON-ELECTRON SCATTERING AMPLITUDE 2059800300007 SIGNIFICANTLY DIFFERENT TO THE FOLDY VALUE. 2059800300008 B(N-E) = -1.364+-0.025 MILLI FERMI. 2059800300009 STATUS .LINE 14, TABLE 1, PRL,36,1021,7604. VALUE EVALUATED 2059800300010 FROM MEASUREMENT IN ZN/A,31,115,7602. 2059800300011 HISTORY (760615C) 2059800300012 (761217E) 2059800300013 CORRECTION .NUCLEAR COHERENT AMPLITUDE EVALUATED FROM 2059800300014 MEASURED TOTAL SCATTERING X-SECTION WITH CORRECTIONS 2059800300015 FOR ABSORPTION, ELASTIC INCOHERENT SCATTERING, 2059800300016 RESONANCE EFFECTS, SOLID STATE EFFECTS, INTEFERENCE 2059800300017 AND DOPPLER CORRECTIONS. PRL,36,1021,7604. 2059800300018 ENDBIB 16 0 2059800300019 NOCOMMON 0 0 2059800300020 DATA 3 2 2059800300021 EN DATA DATA-ERR 2059800300022 EV FERMI FERMI 2059800300023 1.2600E+00 9.5117E+00 2.1000E-03 2059800300024 5.1900E+00 9.5125E+00 2.1000E-03 2059800300025 ENDDATA 4 0 2059800300026 ENDSUBENT 25 0 2059800399999 SUBENT 20598004 19840126 00002059800400001 BIB 6 20 2059800400002 REACTION (83-BI-209(N,THS)83-BI-209,COH,AMP) 2059800400003 BARE NUCLEUS VALUE. 2059800400004 SAMPLE .LIQUID BI 99.999 PERCENT PURITY. 2059800400005 COMMENT .COMPARISON WITH THE ATOMIC SCATTERING AMPLITUDE 2059800400006 MEASURED BY NUCKER (ZP,227,152,69), BUT CORRECTED 2059800400007 FOR NEW PHYSICAL CONSTANTS (B=8.5256+-0.0014F) GIVES 2059800400008 A VALUE FOR THE NEUTRON-ELECTRON SCATTERING 2059800400009 AMPLITUDE B(N-E) = -1.393+-0.025 MILLI FERMI. 2059800400010 THIS SHOWS A SIGNIFICANT DEVIATION FROM THE FOLDY 2059800400011 VALUE. 2059800400012 STATUS .LINE 14, TABLE 1, PRL,36,1021,7604. EVALUATED FROM 2059800400013 MEASUREMENTS IN ZN/A,31,115,7602 (TOTAL X-SECTION) 2059800400014 AND ZP,227,152,69 (COH AMPLITUDE) 2059800400015 HISTORY (760615C) 2059800400016 (761217E) 2059800400017 CORRECTION .NUCLEAR COHERENT SCATTERING AMPLITUDE EVALUATED 2059800400018 FROM MEASURED TOTAL X-SECTION ( ZN/A,31,115,7602) 2059800400019 WITH CORRECTIONS FOR ABSORPTION, ELASTIC INCOHERENT 2059800400020 SCATTERING, RESONANCE EFFECTS, SOLID STATE EFFECTS, 2059800400021 INTERFERENCE AND DOPPLER CORRECTIONS. PRL,36,1021,76 2059800400022 ENDBIB 20 0 2059800400023 NOCOMMON 0 0 2059800400024 DATA 3 2 2059800400025 EN DATA DATA-ERR 2059800400026 EV FERMI FERMI 2059800400027 1.2600E+00 8.6399E+00 2.1000E-03 2059800400028 5.1900E+00 8.6425E+00 2.1000E-03 2059800400029 ENDDATA 4 0 2059800400030 ENDSUBENT 29 0 2059800499999 ENDENTRY 4 0 2059899999999