ENTRY 21922 19850311 00002192200000001 SUBENT 21922001 19850311 00002192200100001 BIB 12 27 2192200100002 INSTITUTE (2GERMUN) 2192200100003 REFERENCE (J,ZN/A,37,(10),1132,8206) IN GERMAN. 2192200100004 AUTHOR (K.KNOPF, W.WASCHKOWSKI) 2192200100005 TITLE -SCATTERING OF SLOW NEUTRONS BY LANTHANUM 2192200100006 AND CERIUM. 2192200100007 (STREUUNG LANGSAMER NEUTRONEN AN LANTHAN UND CER ) 2192200100008 FACILITY (REAC,2GERMUN) FRM SWIMMING-POOL RESEARCH REACTOR. 2192200100009 INC-SPECT .THERMAL REACTOR SPECTRUM 2192200100010 SAMPLE .DIFFERENT SAMPLES OF 2192200100011 -LANTHANUM AND 2192200100012 -CERIUM COMPOUNDS 2192200100013 WITH PURITIES OF 99.99 PERCENT. 2192200100014 METHOD (CHRFL) CHRISTIANSEN FILTER. 2192200100015 MIXTURE OF PULVERIZED SOLID SUBSTANCES WITH 2192200100016 A LIQUID. THE SCATTERING LENGTH OF THE SOLID 2192200100017 IS DETERMINED BY MEASURING THE RATE OF THE 2192200100018 SMALL ANGLE SCATTERING OF SLOW NEUTRONS AS 2192200100019 FUNCTION OF THE KNOWN SCATTERING DENSITY OF 2192200100020 THE LIQUID PHASE. 2192200100021 .CROSS SECTION MEASUREMENTS AT 0.57 MILLI-EV, 2192200100022 AND 1.26 AND 5.19 EV. 2192200100023 DETECTOR .DETAILS OF THE DETECTING TECHNIQUE ARE GIVEN IN 2192200100024 Z.PYHS. A277, 77 (1976) L.KOESTER ET AL.. 2192200100025 STATUS .DATA TAKEN FROM MAIN REF. 2192200100026 HISTORY (840802C) BN. 2192200100027 (850311E) 2192200100028 ERR-ANALYS (DATA-ERR) NO DETAILED ERROR ANALYSIS GIVEN 2192200100029 ENDBIB 27 0 2192200100030 NOCOMMON 0 0 2192200100031 ENDSUBENT 30 0 2192200199999 SUBENT 21922002 19850311 00002192200200001 BIB 3 4 2192200200002 REACTION (57-LA-139(N,THS),BA/COH,AMP) 2192200200003 STATUS .MAIN REF. 2192200200004 HISTORY (840802C) 2192200200005 (850311E) 2192200200006 ENDBIB 4 0 2192200200007 NOCOMMON 0 0 2192200200008 DATA 3 1 2192200200009 EN DATA DATA-ERR 2192200200010 MILLI-EV FERMI FERMI 2192200200011 5.7000E-01 8.2400E+00 4.0000E-02 2192200200012 ENDDATA 3 0 2192200200013 ENDSUBENT 12 0 2192200299999 SUBENT 21922003 19850311 00002192200300001 BIB 3 4 2192200300002 REACTION (58-CE-0(N,THS),BA/COH,AMP) 2192200300003 STATUS .MAIN REF. 2192200300004 HISTORY (840802C) 2192200300005 (850311E) 2192200300006 ENDBIB 4 0 2192200300007 NOCOMMON 0 0 2192200300008 DATA 3 1 2192200300009 EN DATA DATA-ERR 2192200300010 MILLI-EV FERMI FERMI 2192200300011 5.7000E-01 4.8400E+00 2.0000E-02 2192200300012 ENDDATA 3 0 2192200300013 ENDSUBENT 12 0 2192200399999 SUBENT 21922004 19850311 00002192200400001 BIB 3 4 2192200400002 REACTION (58-CE-136(N,THS)58-CE-136,BA/COH,AMP) 2192200400003 STATUS .MAIN REF. 2192200400004 HISTORY (840802C) 2192200400005 (850311E) 2192200400006 ENDBIB 4 0 2192200400007 NOCOMMON 0 0 2192200400008 DATA 3 1 2192200400009 EN DATA DATA-ERR 2192200400010 MILLI-EV FERMI FERMI 2192200400011 5.7000E-01 5.7600E+00 9.0000E-02 2192200400012 ENDDATA 3 0 2192200400013 ENDSUBENT 12 0 2192200499999 SUBENT 21922005 19850311 00002192200500001 BIB 3 4 2192200500002 REACTION (58-CE-138(N,THS)58-CE-138,BA/COH,AMP) 2192200500003 STATUS .MAIN REF. 2192200500004 HISTORY (840802C) 2192200500005 (850311E) 2192200500006 ENDBIB 4 0 2192200500007 NOCOMMON 0 0 2192200500008 DATA 3 1 2192200500009 EN DATA DATA-ERR 2192200500010 MILLI-EV FERMI FERMI 2192200500011 5.7000E-01 6.6500E+00 9.0000E-02 2192200500012 ENDDATA 3 0 2192200500013 ENDSUBENT 12 0 2192200599999 SUBENT 21922006 19850311 00002192200600001 BIB 3 4 2192200600002 REACTION (58-CE-140(N,THS)58-CE-140,BA/COH,AMP) 2192200600003 STATUS .MAIN REF. 2192200600004 HISTORY (840802C) 2192200600005 (850311E) 2192200600006 ENDBIB 4 0 2192200600007 NOCOMMON 0 0 2192200600008 DATA 3 1 2192200600009 EN DATA DATA-ERR 2192200600010 MILLI-EV FERMI FERMI 2192200600011 5.7000E-01 4.8100E+00 9.0000E-02 2192200600012 ENDDATA 3 0 2192200600013 ENDSUBENT 12 0 2192200699999 SUBENT 21922007 19850311 00002192200700001 BIB 3 4 2192200700002 REACTION (58-CE-142(N,THS)58-CE-142,BA/COH,AMP) 2192200700003 STATUS .MAIN REF. 2192200700004 HISTORY (840802C) 2192200700005 (850311E) 2192200700006 ENDBIB 4 0 2192200700007 NOCOMMON 0 0 2192200700008 DATA 3 1 2192200700009 EN DATA DATA-ERR 2192200700010 MILLI-EV FERMI FERMI 2192200700011 5.7000E-01 4.7200E+00 9.0000E-02 2192200700012 ENDDATA 3 0 2192200700013 ENDSUBENT 12 0 2192200799999 SUBENT 21922008 19850311 00002192200800001 BIB 3 4 2192200800002 REACTION (57-LA-139(N,TOT),,SIG) 2192200800003 STATUS .MAIN REF. 2192200800004 HISTORY (840802C) 2192200800005 (850311E) 2192200800006 ENDBIB 4 0 2192200800007 NOCOMMON 0 0 2192200800008 DATA 3 3 2192200800009 EN DATA DATA-ERR 2192200800010 EV B B 2192200800011 5.7000E-04 6.2500E+01 1.0000E+00 2192200800012 1.2600E+00 1.0640E+01 5.0000E-02 2192200800013 5.1900E+00 9.1200E+00 5.0000E-02 2192200800014 ENDDATA 5 0 2192200800015 ENDSUBENT 14 0 2192200899999 SUBENT 21922009 19850311 00002192200900001 BIB 3 4 2192200900002 REACTION (58-CE-0(N,TOT),,SIG) 2192200900003 STATUS .MAIN REF. 2192200900004 HISTORY (840802C) 2192200900005 (850311E) 2192200900006 ENDBIB 4 0 2192200900007 NOCOMMON 0 0 2192200900008 DATA 3 3 2192200900009 EN DATA DATA-ERR 2192200900010 EV B B 2192200900011 5.7000E-04 2.0500E+01 5.0000E-01 2192200900012 1.2600E+00 3.1000E+00 5.0000E-02 2192200900013 5.1900E+00 4.9200E+00 4.0000E-02 2192200900014 ENDDATA 5 0 2192200900015 ENDSUBENT 14 0 2192200999999 SUBENT 21922010 19850311 00002192201000001 BIB 3 7 2192201000002 REACTION (57-LA-139(N,THS),FA,SIG) 2192201000003 .THE FREE SCATTERING CROSS SECTION 2192201000004 AT ZERO NEUTRON ENERGY WAS DETERMINED 2192201000005 TO SIG(E=0) = 10.02 (22) B. 2192201000006 STATUS .MAIN REF. 2192201000007 HISTORY (840802C) 2192201000008 (850311E) 2192201000009 ENDBIB 7 0 2192201000010 NOCOMMON 0 0 2192201000011 DATA 3 2 2192201000012 EN DATA DATA-ERR 2192201000013 EV B B 2192201000014 1.2600E+00 9.3500E+00 8.0000E-02 2192201000015 5.1900E+00 8.4900E+00 6.0000E-02 2192201000016 ENDDATA 4 0 2192201000017 ENDSUBENT 16 0 2192201099999 SUBENT 21922011 19850311 00002192201100001 BIB 3 7 2192201100002 REACTION (58-CE-0(N,THS),FA,SIG) 2192201100003 .THE FREE SCATTERING CROSS SECTION 2192201100004 AT ZERO NEUTRON ENERGY WAS DETERMINED 2192201100005 TO SIG(E=0) = 3.01 (5) B. 2192201100006 STATUS .MAIN REF. 2192201100007 HISTORY (840802C) 2192201100008 (850311E) 2192201100009 ENDBIB 7 0 2192201100010 NOCOMMON 0 0 2192201100011 DATA 3 2 2192201100012 EN DATA DATA-ERR 2192201100013 EV B B 2192201100014 1.2600E+00 3.0100E+00 5.0000E-02 2192201100015 5.1900E+00 3.0800E+00 6.0000E-02 2192201100016 ENDDATA 4 0 2192201100017 ENDSUBENT 16 0 2192201199999 ENDENTRY 11 0 2192299999999