ENTRY            G4035   20201231                             G046G403500000001 
SUBENT        G4035001   20201231                             G046G403500100001 
BIB                 13         38                                 G403500100002 
TITLE      Isomeric ratios of the products of (g,xnp) reactions   G403500100003 
           on 90,91Zr nuclei for a maximum bremsstrahlung energy  G403500100004 
           of 84 MeV                                              G403500100005 
AUTHOR     (O.A.Bezshyyko, A.N.Vodin, L.A.Golinka-Bezshyyko,      G403500100006 
           A.N.Dovbnya, I.N.Kadenko, O.A.Kivernyk, A.A.Kovalenko, G403500100007 
           V.A.Kushnir, V.V.Mitrochenko, S.N.Olejnik, G.E.Tuller) G403500100008 
INSTITUTE  (4UKRKGU,4UKRKFT)                                      G403500100009 
REFERENCE  (J,IZV,75,993,2011)                                    G403500100010 
           (J,BAS,75,937,2011) English translation                G403500100011 
           #doi:10.3103/S1062873811070094                         G403500100012 
INC-SOURCE (BRST)                                                 G403500100013 
FACILITY   (LINAC,4UKRKFT) Linear electron accelerator LU-40.     G403500100014 
           Incident electron flux instability did not exceed 2%.  G403500100015 
           A tantalum converter with a thickness of 1.05 mm was   G403500100016 
           installed at the output of the electron accelerator;   G403500100017 
           an aluminum electron moderator with a size of diameter G403500100018 
           90x100 mm was situated behind the converter. The       G403500100019 
           distance from the Ta converter to the Al moderator was G403500100020 
           20 mm, and the distance to the studied sample was      G403500100021 
           200 mm.                                                G403500100022 
SAMPLE     Samples of metallic zirconium in the form of a powder  G403500100023 
           with a mass of 206.36 mg, enriched with the 90Zr       G403500100024 
           isotope, and zirconium oxide with a mass of 463.9 mg,  G403500100025 
           enriched with the 91Zr isotope, were used for          G403500100026 
           irradiation.                                           G403500100027 
METHOD     (ACTIV) Induced gamma-activity was measured.           G403500100028 
DETECTOR   (HPGE) Resolution of 1.9 keV for Co-60 line 1332 keV.  G403500100029 
ADD-RES    Experimental data are compared with theoretical        G403500100030 
           predictions calculated with TALYS code.                G403500100031 
ERR-ANALYS (ERR-S) The uncertainties include contributions from   G403500100032 
           photopeak efficiency calibration, abundance, geometry  G403500100033 
           configuration and intensities of gamma-rays (photopeak G403500100034 
           areas). Statistical uncertainties of photopeak areas   G403500100035 
           made the main contribution to total uncertainty of     G403500100036 
           result, the other errors are negligible.               G403500100037 
STATUS     (TABLE) Table of Bull.Rus.Acad.Sci.Phys.75(2011)993    G403500100038 
HISTORY    (20111025C) UKRNDC                                     G403500100039 
           (20201231A) On. Major revision in 002-005.             G403500100040 
ENDBIB              38          0                                 G403500100041 
NOCOMMON             0          0                                 G403500100042 
ENDSUBENT           41          0                                 G403500199999 
SUBENT        G4035002   20201231                             G046G403500200001 
BIB                  4         16                                 G403500200002 
REACTION   (40-ZR-90(G,X)39-Y-87-M/G,,SIG/RAT,,BRA)               G403500200003 
DECAY-DATA Comment by Larysa Golinka-Bezshyyko (2021-01-18):      G403500200004 
            A typo regarding the decay periods is present in      G403500200005 
            the text on p.945 of English translation. One should  G403500200006 
            read: "The half-life of the ground state of the 87m,gYG403500200007 
            nucleus is 79.8 h, while that of the metastable       G403500200008 
            nucleius is 13.37 hr.                                 G403500200009 
           (39-Y-87-G,79.8HR,DG,380.79)                           G403500200010 
           (39-Y-87-M,13.37HR,DG,484.805)                         G403500200011 
ANALYSIS   The contribution to the level population of the studiedG403500200012 
           nucleus from the beta-decay of the precursor nucleus   G403500200013 
           87m,gZr, which is a product of the 90Zr(gamma,3n)      G403500200014 
           reaction, was determined using the gamma-line with     G403500200015 
           energy 1.227 MeV.                                      G403500200016 
HISTORY    (20201231A) On. REACTION(SF3): 2N+P->X. DECAY-DATA     G403500200017 
            corrected.                                            G403500200018 
ENDBIB              16          0                                 G403500200019 
NOCOMMON             0          0                                 G403500200020 
DATA                 3          1                                 G403500200021 
EN-MAX     DATA       ERR-S                                       G403500200022 
MEV        NO-DIM     NO-DIM                                      G403500200023 
84.        1.02       0.10                                        G403500200024 
ENDDATA              3          0                                 G403500200025 
ENDSUBENT           24          0                                 G403500299999 
SUBENT        G4035003   20201231                             G046G403500300001 
BIB                  4         16                                 G403500300002 
REACTION   (40-ZR-91(G,X)39-Y-87-M/G,,SIG/RAT,,BRA)               G403500300003 
DECAY-DATA Comment by Larysa Golinka-Bezshyyko (2021-01-18):      G403500300004 
            A typo regarding the decay periods is present in      G403500300005 
            the text on p.945 of English translation. One should  G403500300006 
            read: "The half-life of the ground state of the 87m,gYG403500300007 
            nucleus is 79.8 h, while that of the metastable       G403500300008 
            nucleius is 13.37 hr.                                 G403500300009 
           (39-Y-87-G,79.8HR,DG,380.79)                           G403500300010 
           (39-Y-87-M,13.37HR,DG,484.805)                         G403500300011 
ANALYSIS   The contribution to the level population of the studiedG403500300012 
           nucleus from the beta-decay of the precursor nucleus   G403500300013 
           87m,gZr, which is a product of the 91Zr(gamma,4n)      G403500300014 
           reaction, was determined using the gamma-line with     G403500300015 
           energy 1.227 MeV.                                      G403500300016 
HISTORY    (20201231A) On. REACTION(SF3): 3N+P->X. DECAY-DATA     G403500300017 
            corrected.                                            G403500300018 
ENDBIB              16          0                                 G403500300019 
NOCOMMON             0          0                                 G403500300020 
DATA                 3          1                                 G403500300021 
EN-MAX     DATA       ERR-S                                       G403500300022 
MEV        NO-DIM     NO-DIM                                      G403500300023 
84.        1.03       0.10                                        G403500300024 
ENDDATA              3          0                                 G403500300025 
ENDSUBENT           24          0                                 G403500399999 
SUBENT        G4035004   20201231                             G046G403500400001 
BIB                  4          9                                 G403500400002 
REACTION   (40-ZR-90(G,X)39-Y-86-M/G,,SIG/RAT,,BRA)               G403500400003 
DECAY-DATA (39-Y-86-M,48.MIN,DG,1076.63)                          G403500400004 
           (39-Y-86-G,14.74HR,DG,627.72)                          G403500400005 
ANALYSIS   The contribution to the level population of the studiedG403500400006 
           nucleus from the beta-decay of the precursor nucleus   G403500400007 
           86Zr, which is a product of the 90Zr(gamma,4n)         G403500400008 
           reaction, was determined using the gamma-line with     G403500400009 
           energy 242.8 keV.                                      G403500400010 
HISTORY    (20201231A) On. REACTION(SF3): 3N+P -> X.              G403500400011 
ENDBIB               9          0                                 G403500400012 
NOCOMMON             0          0                                 G403500400013 
DATA                 3          1                                 G403500400014 
EN-MAX     DATA       ERR-S                                       G403500400015 
MEV        NO-DIM     NO-DIM                                      G403500400016 
84.        0.30       0.04                                        G403500400017 
ENDDATA              3          0                                 G403500400018 
ENDSUBENT           17          0                                 G403500499999 
SUBENT        G4035005   20201231                             G046G403500500001 
BIB                  4          9                                 G403500500002 
REACTION   (40-ZR-91(G,X)39-Y-86-M/G,,SIG/RAT,,BRA)               G403500500003 
DECAY-DATA (39-Y-86-M,48.MIN,DG,1076.63)                          G403500500004 
           (39-Y-86-G,14.74HR,DG,627.72)                          G403500500005 
ANALYSIS   The contribution to the level population of the studiedG403500500006 
           nucleus from the beta-decay of the precursor nucleus   G403500500007 
           86Zr, which is a product of the 90Zr(gamma,4n)         G403500500008 
           reaction, was determined using the gamma-line with     G403500500009 
           energy 242.8 keV.                                      G403500500010 
HISTORY    (20201231A) On. REACTION(SF3): 4N+P -> X.              G403500500011 
ENDBIB               9          0                                 G403500500012 
NOCOMMON             0          0                                 G403500500013 
DATA                 3          1                                 G403500500014 
EN-MAX     DATA       ERR-S                                       G403500500015 
MEV        NO-DIM     NO-DIM                                      G403500500016 
84.        0.42       0.03                                        G403500500017 
ENDDATA              3          0                                 G403500500018 
ENDSUBENT           17          0                                 G403500599999 
ENDENTRY             5          0                                 G403599999999