ENTRY O1428 20170409 O061O142800000001 SUBENT O1428001 20170409 O061O142800100001 BIB 11 32 O142800100002 TITLE Determining isotopic distributions of fission products O142800100003 with a Penning trap O142800100004 AUTHOR (H.Penttila, P.Karvonen, T.Eronen, V.-V.Elomaa,U.Hager,O142800100005 J.Hakala, A.Jokinen, A.Kankainen,I.Moore, K.Perajarvi, O142800100006 S.Rahaman, S.Rinta-Antila, V.Rubchenya, A.Saastamoinen,O142800100007 T.Sonoda, J.Aysto, D.Gorelov, T.Kessler) O142800100008 INSTITUTE (2SF JYV) O142800100009 (4RUSRI) O142800100010 REFERENCE (J,EPJ/A,44,147,2010) - final publ. O142800100011 (J,EPJ/ST,150,317,2007) - prelim. O142800100012 SAMPLE A 15 mg/cm2 U-238 target was used. O142800100013 FACILITY (CYCLO,2SF JYV) K-130 cyclotron O142800100014 (OLMS,2SF JYV) The on-line mass separator IGISOL. O142800100015 METHOD (OLMS) O142800100016 (BCINT) O142800100017 The radioactive nuclides are produced in proton-inducedO142800100018 fission or heavy-ion fusion reactions by bombarding O142800100019 a thin target with a primary beam from the Jyvaskyla O142800100020 K-130 cyclotron. Radioactive ions are extracted from O142800100021 the gas cell by helium gas flow and guided by the O142800100022 sextupole ion guide into a differential pumping stage O142800100023 where they are accelerated to 30 keV and mass- O142800100024 separated with a 55 degree dipole magnet. O142800100025 CORRECTION Correction for the radioactive decay losses O142800100026 STATUS (CURVE) By CAJAD. O142800100027 DETECTOR (MCPLT) a microchannel plate detector O142800100028 (SI) O142800100029 HISTORY (20081120C) SB O142800100030 (20170409A) SD: Entry was revised following final O142800100031 publication in Eur.Phys.J.A44,147.Subents 003-005 addedO142800100032 Text from COMMENT moved to METHOD. Subent 002 deleted- O142800100033 digitized data superseded by new publ.(see Sub.003). O142800100034 ENDBIB 32 0 O142800100035 NOCOMMON 0 0 O142800100036 ENDSUBENT 35 0 O142800199999 NOSUBENT O1428002 20170409 O061O142800200001 SUBENT O1428003 20170409 O061O142800300001 BIB 6 10 O142800300002 REACTION (92-U-238(P,X)ELEM/MASS,,SIG) O142800300003 ANALYSIS The normalization of isotopic yield distributions O142800300004 is made by fitting a Gaussian shape to the isotopic O142800300005 distribution and setting the areas under the O142800300006 Gaussian equal. O142800300007 REL-REF (M,O0005008,B.L.Tracy+,J,PR/C,5,222,1972) O142800300008 ERR-ANALYS (DATA-ERR) Uncertainty due to statistical error and O142800300009 decay correction only O142800300010 STATUS (CURVE) fig.17 from EPJ/A,44,147,2010 O142800300011 HISTORY (20170409C) SD O142800300012 ENDBIB 10 0 O142800300013 COMMON 3 3 O142800300014 ELEMENT EN ERR-DIG O142800300015 NO-DIM MEV PER-CENT O142800300016 55. 50. 0.5 O142800300017 ENDCOMMON 3 0 O142800300018 DATA 3 10 O142800300019 MASS DATA DATA-ERR O142800300020 NO-DIM MB MB O142800300021 137. 27.06 9.4 O142800300022 138. 20.47 O142800300023 139. 19.00 1.68 O142800300024 140. 14.91 O142800300025 141. 11.93 O142800300026 142. 6.23 O142800300027 143. 2.55 O142800300028 144. 0.72 O142800300029 145. 0.24 0.06 O142800300030 146. 0.04 0.02 O142800300031 ENDDATA 12 0 O142800300032 ENDSUBENT 31 0 O142800399999 SUBENT O1428004 20170409 O061O142800400001 BIB 6 10 O142800400002 REACTION (92-U-238(P,X)ELEM/MASS,,SIG) O142800400003 ANALYSIS The normalization of isotopic yield distributions O142800400004 is made by fitting a Gaussian shape to the isotopic O142800400005 distribution and setting the areas under the O142800400006 Gaussian equal. O142800400007 REL-REF (M,O0005002,B.L.Tracy+,J,PR/C,5,222,1972) O142800400008 ERR-ANALYS (DATA-ERR) Uncertainty due to statistical error and O142800400009 decay correction only O142800400010 STATUS (CURVE) fig.16 from EPJ/A,44,147,2010 O142800400011 HISTORY (20170409C) SD O142800400012 ENDBIB 10 0 O142800400013 COMMON 3 3 O142800400014 ELEMENT EN ERR-DIG O142800400015 NO-DIM MEV PER-CENT O142800400016 37. 50. 0.5 O142800400017 ENDCOMMON 3 0 O142800400018 DATA 3 9 O142800400019 MASS DATA DATA-ERR O142800400020 NO-DIM MB MB O142800400021 87. 0.78 0.18 O142800400022 88. 2.75 0.32 O142800400023 89. 7.78 O142800400024 90. 12.83 O142800400025 91. 17.33 O142800400026 92. 16.69 1.01 O142800400027 93. 13.16 0.64 O142800400028 94. 4.32 0.36 O142800400029 95. 1.12 0.17 O142800400030 ENDDATA 11 0 O142800400031 ENDSUBENT 30 0 O142800499999 SUBENT O1428005 20170409 O061O142800500001 BIB 6 10 O142800500002 REACTION (92-U-238(P,X)ELEM/MASS,,SIG) O142800500003 ANALYSIS The normalization of isotopic yield distributions O142800500004 is made by fitting a Gaussian shape to the isotopic O142800500005 distribution and setting the areas under the O142800500006 Gaussian equal. O142800500007 REL-REF (M,B0112002,K.C.Chan+,J,JIN,39,1915,1977) O142800500008 ERR-ANALYS (DATA-ERR) Uncertainty due to statistical error and O142800500009 decay correction only O142800500010 STATUS (CURVE) fig.15 from EPJ/A,44,147,2010 O142800500011 HISTORY (20170409C) SD O142800500012 ENDBIB 10 0 O142800500013 COMMON 4 3 O142800500014 ELEMENT EN EN-NRM ERR-DIG O142800500015 NO-DIM MEV MEV PER-CENT O142800500016 49. 25. 30.4 0.5 O142800500017 ENDCOMMON 3 0 O142800500018 DATA 3 10 O142800500019 MASS DATA DATA-ERR O142800500020 NO-DIM MB MB O142800500021 137. 27.06 9.4 O142800500022 138. 20.47 O142800500023 139. 19.00 1.68 O142800500024 140. 14.91 O142800500025 141. 11.93 O142800500026 142. 6.23 O142800500027 143. 2.55 O142800500028 144. 0.72 O142800500029 145. 0.24 0.06 O142800500030 146. 0.04 0.02 O142800500031 ENDDATA 12 0 O142800500032 ENDSUBENT 31 0 O142800599999 SUBENT O1428006 20170409 O061O142800600001 BIB 6 10 O142800600002 REACTION (92-U-238(P,X)ELEM/MASS,,SIG,,REL) O142800600003 COMMENT From authors: The arbitrary unit of yield is chosen O142800600004 such that it coincides with the cross-section in O142800600005 millibarns as deduced from Huhta et al.(see REL-REF). O142800600006 REL-REF (R,O0924002,Huhta+,J,PL/B,405,230,1997) O142800600007 STATUS (CURVE) fig.14 from EPJ/A,44,147,2010 O142800600008 ERR-ANALYS (ERR-T) Total uncertainty O142800600009 (DATA-ERR) Uncertainty due to statistical error and O142800600010 decay correction only O142800600011 HISTORY (20170409C) SD O142800600012 ENDBIB 10 0 O142800600013 COMMON 3 3 O142800600014 ELEMENT EN ERR-DIG O142800600015 NO-DIM MEV PER-CENT O142800600016 32. 25. 0.5 O142800600017 ENDCOMMON 3 0 O142800600018 DATA 4 8 O142800600019 MASS DATA ERR-T DATA-ERR O142800600020 NO-DIM ARB-UNITS ARB-UNITS ARB-UNITS O142800600021 77. 0.760 0.186 0.047 O142800600022 78. 3.249 0.884 0.172 O142800600023 79. 5.210 2.866 0.321 O142800600024 80. 8.508 0.377 O142800600025 81. 5.813 0.921 0.308 O142800600026 82. 4.271 0.805 0.263 O142800600027 83. 1.386 0.340 0.143 O142800600028 84. 0.506 0.134 0.072 O142800600029 ENDDATA 10 0 O142800600030 ENDSUBENT 29 0 O142800699999 SUBENT O1428007 20170409 O061O142800700001 BIB 6 27 O142800700002 REACTION 1((92-U-238(P,X)ELEM/MASS,,SIG)// O142800700003 (92-U-238(P,X)47-AG-119,,SIG)) O142800700004 2((92-U-238(P,X)ELEM/MASS,,SIG)// O142800700005 (92-U-238(P,X)47-AG-119,,SIG)) O142800700006 The curves are normalized to each other at A = 119. O142800700007 MONITOR 1(92-U-238(P,X)47-AG-115,,SIG) O142800700008 2(92-U-238(P,X)47-AG-119,,SIG) O142800700009 ANALYSIS The yield of silver isotopes is calculated by O142800700010 estimating the rate of the reference isotope by O142800700011 linear interpolation between reference scans. O142800700012 ERR-ANALYS1(DATA-ERR) Uncertainty includes: O142800700013 i) uncertainty of the intensity of the mass peak. For O142800700014 most peaks this is just the statistical uncertainty. O142800700015 There is an additional uncertainty for peaks whose O142800700016 intensity is determined by fitting. O142800700017 ii) Uncertainty due to applying the radioactive decay O142800700018 correction. For very short half-lives with a large O142800700019 uncertainty this actually becomes asymmetric, howeverO142800700020 a symmetric approximation is used in this work. O142800700021 iii) Uncertainty due to the ratio between irresolvableO142800700022 isomeric states with different half-lives, when the O142800700023 isotope is known to have isomeric states. O142800700024 2(DATA-ERR) the uncertainty in the procedure of the O142800700025 correction for the observed time structure of the O142800700026 yield fluctuations O142800700027 STATUS (CURVE) fig.13 from EPJ/A,44,147,2010 O142800700028 HISTORY (20170409C) SD O142800700029 ENDBIB 27 0 O142800700030 COMMON 3 3 O142800700031 ELEMENT EN ERR-DIG O142800700032 NO-DIM MEV PER-CENT O142800700033 47. 25. 0.5 O142800700034 ENDCOMMON 3 0 O142800700035 DATA 5 8 O142800700036 MASS-NM DATA 1DATA-ERR 1DATA 2DATA-ERR 2 O142800700037 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM O142800700038 113. 0.092 0.011 0.087 0.013 O142800700039 114. 0.165 0.013 0.158 0.020 O142800700040 115. 0.487 0.025 0.476 0.025 O142800700041 116. 0.887 0.046 0.865 0.100 O142800700042 117. 1.396 0.073 1.249 0.159 O142800700043 118. 1.341 0.070 1.215 0.080 O142800700044 119. 1.013 0.078 0.990 0.052 O142800700045 120. 0.506 0.026 0.530 0.086 O142800700046 ENDDATA 10 0 O142800700047 ENDSUBENT 46 0 O142800799999 SUBENT O1428008 20170409 O061O142800800001 BIB 6 28 O142800800002 REACTION 1((92-U-238(P,X)ELEM/MASS,,SIG)// O142800800003 (92-U-238(P,X)47-AG-119,,SIG)) O142800800004 2((92-U-238(P,X)ELEM/MASS,,SIG)// O142800800005 (92-U-238(P,X)47-AG-119,,SIG)) O142800800006 The curves are normalized to each other at A = 119. O142800800007 MONITOR 1(92-U-238(P,X)47-AG-115,,SIG) O142800800008 2(92-U-238(P,X)47-AG-119,,SIG) O142800800009 ANALYSIS The yields are corrected for the observed time O142800800010 structure of the yield fluctuations O142800800011 ERR-ANALYS1(DATA-ERR) O142800800012 i) uncertainty of the intensity of the mass peak. For O142800800013 most peaks this is just the statistical uncertainty. O142800800014 There is an additional uncertainty for peaks whose O142800800015 intensity is determined by fitting. O142800800016 ii) Uncertainty due to applying the radioactive decay O142800800017 correction. For very short half-lives with a large O142800800018 uncertainty this actually becomes asymmetric, howeverO142800800019 a symmetric approximation is used in this work. O142800800020 iii) Uncertainty due to the ratio between irresolvableO142800800021 isomeric states with different half-lives, when the O142800800022 isotope is known to have isomeric states. O142800800023 2(DATA-ERR) the uncertainty in the procedure of the O142800800024 correction for the observed time structure of the O142800800025 yield fluctuations O142800800026 STATUS (CURVE) fig.13 from EPJ/A,44,147,2010 O142800800027 (DEP,O1428007) Yields before correction for the O142800800028 observed time structure of the yield fluctuations O142800800029 HISTORY (20170409C) SD O142800800030 ENDBIB 28 0 O142800800031 COMMON 3 3 O142800800032 ELEMENT EN ERR-DIG O142800800033 NO-DIM MEV PER-CENT O142800800034 47. 25. 0.5 O142800800035 ENDCOMMON 3 0 O142800800036 DATA 5 8 O142800800037 MASS-NM DATA 1DATA-ERR 1DATA 2DATA-ERR 2 O142800800038 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM O142800800039 115. 0.513 0.028 0.509 0.033 O142800800040 116. 0.899 0.058 0.889 0.047 O142800800041 117. 1.205 0.078 1.249 0.066 O142800800042 118. 1.254 0.081 1.248 0.082 O142800800043 119. 1.013 0.053 1.004 0.040 O142800800044 120. 0.506 0.026 0.475 0.025 O142800800045 121. 0.181 0.027 0.174 0.024 O142800800046 122. 0.061 0.037 0.067 0.041 O142800800047 ENDDATA 10 0 O142800800048 ENDSUBENT 47 0 O142800899999 ENDENTRY 8 0 O142899999999