ENTRY 41664 20190506 41824166400000001 SUBENT 41664001 20190506 41824166400100001 BIB 14 50 4166400100002 REFERENCE (J,NP/A,261,35,1976) 4166400100003 AUTHOR (N.P.Balabanov,Yu.M.Gledenov,Pak Hong Chol,Yu.P.Popov, 4166400100004 V.G.Semenov) 4166400100005 TITLE Total alpha-widths of neutron resonances of 147Sm and 4166400100006 149Sm 4166400100007 INSTITUTE (4ZZZDUB) 4166400100008 REL-REF (N,40225001,J.Kvitek+,J,NP/A,154,177,1970) 4166400100009 (N,41663001,Yu.P.Popov+,J,NP/A,188,212,1972) 4166400100010 (N,41641001,P.Winiwarter+,J,YF,20,3,1974) 4166400100011 (N,41641001,P.Winiwarter+,J,SNP,20,1,1974) Engl.transl.4166400100012 (R,,E.N.Karzhavina+,J,YF,15,401,1972) 4166400100013 (R,,E.N.Karzhavina+,R,JINR-P3-6092,1971) and 4166400100014 (R,40098001,E.N.Karzhavina+,R,JINR-P3-6237,1972) 4166400100015 Six refs. of previous experiments; 4166400100016 from last three ref. - res.energies were used. 4166400100017 FACILITY (REAC,4ZZZDUB) IBR-30 pulse reactor operating in 4166400100018 booster mode with 4166400100019 (LINAC,4ZZZDUB) Linac 4166400100020 METHOD (TOF) For incident neutrons energy measurement. 4166400100021 DETECTOR (PROPC) Multisectional proportional chamber for 4166400100022 alpha-particle detection 4166400100023 SAMPLE Sm(2)O(3) oxide layers on Al backings. 4166400100024 (62-SM-147,ENR=0.964) 4166400100025 (62-SM-149,ENR=0.969) 4166400100026 Sm-147 Sm-149 4166400100027 E-alpha, MeV 9.8 9.3 4166400100028 Sm(2)O(3) thickness, mg/cm2 9.0 9.1 4166400100029 Total sample area, cm2 9400. 6800. 4166400100030 Time resolution, nsec/m 17. 47. 4166400100031 Measurement time,hr 150. 300. 4166400100032 MONITOR (62-SM-147(N,A),,WID) at 3.4 eV resonance 4166400100033 MONIT-REF (40225001,J.Kvitek+,J,NP/A,154,177,1970) 4166400100034 ERR-ANALYS (DATA-ERR) Includes statistical errors, 4166400100035 parameter uncertainties of the individual resonances, 4166400100036 errors in averaging due to a limited set of 4166400100037 alpha-widths. 4166400100038 ADD-RES . Effective degrees of freedom for the total 4166400100039 alpha-widths distribution are in Table 4 of 4166400100040 Nucl.Phys.A,v.261,p.35,1976 4166400100041 . Correlation coefficients r(Galpha,2gGn0) were 4166400100042 calculated (see Table 5 of Nucl.Phys.A,v.261,p.35,1976)4166400100043 Sm-147 4166400100044 J PI r(Galpha,2gGn0) Number of pairs 4166400100045 3- +0.6 +- 0.2 20. 4166400100046 3- -0.1 +- 0.2 19.(without 183.7 eV resonance)4166400100047 4- -0.4 +- 0.3 10. 4166400100048 Sm-149 4166400100049 3- -0.3+-0.3 13. 4166400100050 4- +0.2 +- 0.4 15. 4166400100051 HISTORY (20190506C) M.M. 4166400100052 ENDBIB 50 0 4166400100053 COMMON 3 3 4166400100054 EN-RES-NRM MONIT MONIT-ERR 4166400100055 EV MICRO-EV MICRO-EV 4166400100056 3.4 2.5 0.3 4166400100057 ENDCOMMON 3 0 4166400100058 ENDSUBENT 57 0 4166400199999 SUBENT 41664002 20190506 41824166400200001 BIB 4 9 4166400200002 REACTION (62-SM-147(N,A),,WID,,AV) 4166400200003 ANALYSIS Average width value was calculated for different 4166400200004 energy regions by using of measured resonance widths. 4166400200005 At energy range 0.-300. eV the average width was 4166400200006 also calculated without taking into account 183.7 eV 4166400200007 resonance ( 3- ) width ( 19.5+-4.5 microeV ) to be 4166400200008 1.4+-0.4 microeV. 4166400200009 MISC-COL (MISC) Number of resonances used for averaging 4166400200010 STATUS (TABLE) Table 2 of Nucl.Phys.A,v.261,p.35,1976 4166400200011 ENDBIB 9 0 4166400200012 COMMON 1 3 4166400200013 PARITY 4166400200014 NO-DIM 4166400200015 -1. 4166400200016 ENDCOMMON 3 0 4166400200017 DATA 6 2 4166400200018 EN-RES-MIN EN-RES-MAX DATA DATA-ERR SPIN J MISC 4166400200019 EV EV MICRO-EV MICRO-EV NO-DIM NO-DIM 4166400200020 0. 300. 2.3 0.6 3. 20. 4166400200021 1. 100. 0.38 0.12 4. 10. 4166400200022 ENDDATA 4 0 4166400200023 ENDSUBENT 22 0 4166400299999 SUBENT 41664003 20190506 41824166400300001 BIB 4 5 4166400300002 REACTION (62-SM-149(N,A),,WID,,AV) 4166400300003 ANALYSIS Average width value was calculated for different 4166400300004 energy regions by using of measured resonance widths. 4166400300005 MISC-COL (MISC) Number of resonances used for averaging 4166400300006 STATUS (TABLE) Table 2 of Nucl.Phys.A,v.261,p.35,1976 4166400300007 ENDBIB 5 0 4166400300008 COMMON 1 3 4166400300009 PARITY 4166400300010 NO-DIM 4166400300011 -1. 4166400300012 ENDCOMMON 3 0 4166400300013 DATA 6 2 4166400300014 EN-RES-MIN EN-RES-MAX DATA DATA-ERR SPIN J MISC 4166400300015 EV EV MICRO-EV MICRO-EV NO-DIM NO-DIM 4166400300016 0. 70. 0.21 0.06 3. 13. 4166400300017 0. 70. 0.29 0.008 4. 18. 4166400300018 ENDDATA 4 0 4166400300019 ENDSUBENT 18 0 4166400399999 SUBENT 41664004 20190506 41824166400400001 BIB 4 10 4166400400002 REACTION (62-SM-147(N,A),,WID,,AV) 4166400400003 ANALYSIS Average width value was calculated for different 4166400400004 energy regions by using of measured resonance widths. 4166400400005 At energy range 100.-200. eV the average width was 4166400400006 also calculated without taking into account 183.7 eV 4166400400007 resonance ( 3- ) width ( 19.5+-4.5 microeV ) to be 4166400400008 2.0+-0.9 microeV for spin J=3, for spins 3 and 4 - 4166400400009 1.3+-0.7 microeV . 4166400400010 MISC-COL (MISC) Number of resonances used for averaging 4166400400011 STATUS (TABLE) Table 3 of Nucl.Phys.A,v.261,p.35,1976 4166400400012 ENDBIB 10 0 4166400400013 COMMON 1 3 4166400400014 PARITY 4166400400015 NO-DIM 4166400400016 -1. 4166400400017 ENDCOMMON 3 0 4166400400018 DATA 6 6 4166400400019 EN-RES-MIN EN-RES-MAX DATA DATA-ERR SPIN J MISC 4166400400020 EV EV MICRO-EV MICRO-EV NO-DIM NO-DIM 4166400400021 0. 100. 1.0 0.4 3. 6. 4166400400022 0. 100. 0.3 0.1 4. 8. 4166400400023 0. 100. 0.6 0.2 14. 4166400400024 100. 200. 4.2 1.7 3. 8. 4166400400025 100. 200. 0.6 0.4 4. 6. 4166400400026 100. 200. 2.6 1.1 14. 4166400400027 ENDDATA 8 0 4166400400028 ENDSUBENT 27 0 4166400499999 ENDENTRY 4 0 4166499999999