ENTRY A0596 20040120 0000A059600000001 SUBENT A0596001 20040120 0000A059600100001 BIB 12 43 A059600100002 TITLE Mass distribution in 19-F induced fission of 232-Th. A059600100003 AUTHOR (G.K.Gubbi, A.Goswami, B.S.Tomar, B.John, A059600100004 A.Ramaswami, A.V.R.Reddy, P.P.Burte, S.B.Manohar) A059600100005 INSTITUTE (3INDTRM) Radiochemistry and Nuclear Physics A059600100006 divisions. A059600100007 REFERENCE (J,PR/C,53,796,1996) A059600100008 SAMPLE Self-supporting thorium metal foils of thickness in theA059600100009 range of 1.8 to 2.2 mg/cm2 were used in four A059600100010 irradiations. A059600100011 A superpure aluminum catcher foil of thickness 6.75 A059600100012 mg/cm2 was used to collect the fission products in the A059600100013 forward direction. A059600100014 DETECTOR (HPGE) A059600100015 ANALYSIS (DECAY,AREA) A059600100016 FACILITY (VDGT,3INDTRM) BARC-TIFR 14UD pelletron accelerator A059600100017 METHOD (EXTB) Beam current was in the range of 15 to 20 Na A059600100018 "particle" for 112 MeV and 30 to 40 Na for 95 MeV A059600100019 irradiations. A059600100020 (ACTIV) At each energy, a short irradiation for 30 minA059600100021 and a long irradiation for 5 H were performed to A059600100022 measure the yields of short lived and long lived A059600100023 fission products, respectively. A059600100024 (BCINT) An electron suppressed Faraday cup A059600100025 (GSPEC) The activities of the short irradiation samplesA059600100026 were followed for three days and those of the long A059600100027 irradiation samples were followed for about three A059600100028 months. A059600100029 HISTORY (20040119C) A059600100030 (20040120U) Last checking has been done. A059600100031 ERR-ANALYS (ERR-1) An accuracy of the absolute g-ray detection A059600100032 efficiency of the detector A059600100033 (ERR-T) Noany analysis is presented A059600100034 CORRECTION The formation cross section of a fission product was A059600100035 obtained by applying a correction for the fission A059600100036 products emitted in the backward direction. The A059600100037 correction factors were evaluated by the measurement ofA059600100038 fission product activities in the catcher foil and the A059600100039 target separately and assuming a forward-to-backward A059600100040 (F/B) ratio of 1.1. The correction factors were A059600100041 evaluated for the typical fission products 92-Sr, A059600100042 105-Rh, 122-Sb, 130-I, 139-Ba, and 142-La. The factorsA059600100043 were constant within the experimental errors and an A059600100044 average value of 1.81+/-0.08 was used. A059600100045 ENDBIB 43 0 A059600100046 COMMON 1 3 A059600100047 ERR-1 A059600100048 PER-CENT A059600100049 5. A059600100050 ENDCOMMON 3 0 A059600100051 ENDSUBENT 50 0 A059600199999 SUBENT A0596002 20040120 0000A059600200001 BIB 2 25 A059600200002 REACTION (90-TH-232(9-F-19,F)ELEM/MASS,CUM,SIG) A059600200003 DECAY-DATA ((1.)38-SR-91,9.20HR,DG,555.60,0.613) A059600200004 ((2.)38-SR-92,2.71HR,DG,1383.90,0.90) A059600200005 ((3.)40-ZR-95,64.0D,DG,756.70,0.437) A059600200006 ((4.)40-ZR-97,17.0HR,DG,657.90,1.06) A059600200007 ((5.)42-MO-99,2.75D,DG,140.50,0.907) A059600200008 ((6.)42-MO-101,14.6MIN,DG,191.90,0.188) A059600200009 ((7.)44-RU-103,39.25D,DG,497.10,0.895) A059600200010 ((8.)43-TC-104,18.4MIN,DG,358.00,0.89) A059600200011 ((10.)45-RH-105-G,35.36HR,DG,318.90,0.192) A059600200012 ((11.)45-RH-107,21.7MIN,DG,302.80,0.66) A059600200013 ((12.)47-AG-113-G,5.37HR,DG,298.60,0.10) A059600200014 ((17.)51-SB-127,3.85D,DG,473.00,0.247) A059600200015 ((20.)53-I-131,8.02D,DG,364.50,0.812) A059600200016 ((21.)52-TE-132,3.26D,DG,228.20,0.881) A059600200017 ((22.)53-I-133-G,20.8HR,DG,529.90,0.87) A059600200018 ((23.)53-I-134-G,52.6MIN,DG,847.00,0.954, A059600200019 DG,884.00,0.649) A059600200020 ((24.)55-CS-138-G,32.2MIN,DG,462.80,0.307) A059600200021 ((25.)56-BA-139,1.38HR,DG,165.80,0.238) A059600200022 ((26.)56-BA-140,12.25D,DG,487.00,0.529) A059600200023 ((27.)58-CE-141,32.5D,DG,145.40,0.484) A059600200024 ((28.)56-BA-141,18.27MIN,DG,190.30,0.463) A059600200025 ((29.)57-LA-142,1.52HR,DG,641.20,0.474) A059600200026 ((30.)58-CE-143,33.0HR,DG,293.30,0.426) A059600200027 ENDBIB 25 0 A059600200028 NOCOMMON 0 0 A059600200029 DATA 6 46 A059600200030 EN ELEMENT MASS DATA ERR-T DECAY-FLAG A059600200031 MEV NO-DIM NO-DIM MB MB NO-DIM A059600200032 95. 36. 87. 0.51 0.04 A059600200033 95. 36. 88. 0.58 0.08 A059600200034 95. 38. 91. 0.84 0.04 1.A059600200035 95. 38. 92. 0.78 0.05 2.A059600200036 95. 40. 97. 0.88 0.05 4.A059600200037 95. 42. 99. 0.99 0.1 5.A059600200038 95. 44. 103. 1.02 0.07 7.A059600200039 95. 44. 105. 0.61 0.02 A059600200040 95. 45. 105. 1.06 0.21 10.A059600200041 95. 47. 113. 1.14 0.08 12.A059600200042 95. 48. 117. 0.71 0.08 A059600200043 95. 52. 132. 0.59 0.04 21.A059600200044 95. 53. 131. 1.03 0.07 20.A059600200045 95. 53. 133. 0.65 0.07 22.A059600200046 95. 53. 134. 0.9 0.1 23.A059600200047 95. 56. 139. 1.08 0.14 25.A059600200048 95. 56. 140. 0.79 0.06 26.A059600200049 95. 57. 142. 0.69 0.04 29.A059600200050 95. 58. 141. 1.25 0.17 27.A059600200051 95. 58. 143. 1.22 0.06 30.A059600200052 112. 36. 88. 3.35 0.14 A059600200053 112. 38. 91. 6.26 0.68 1.A059600200054 112. 38. 92. 6.74 0.75 2.A059600200055 112. 40. 95. 9.88 0.27 3.A059600200056 112. 40. 97. 8.49 0.6 4.A059600200057 112. 42. 99. 11.79 0.59 5.A059600200058 112. 42. 101. 13.11 0.6 6.A059600200059 112. 43. 104. 9.86 0.35 8.A059600200060 112. 44. 103. 10.94 0.65 7.A059600200061 112. 44. 105. 9.51 0.92 A059600200062 112. 45. 105. 15.62 0.89 10.A059600200063 112. 45. 107. 17.81 0.33 11.A059600200064 112. 47. 113. 17.03 1.54 12.A059600200065 112. 48. 117. 11.17 1.12 A059600200066 112. 51. 127. 3.73 0.26 17.A059600200067 112. 52. 132. 2.78 0.2 21.A059600200068 112. 53. 131. 7.43 0.36 20.A059600200069 112. 53. 133. 3.91 0.23 22.A059600200070 112. 53. 134. 3.98 0.23 23.A059600200071 112. 55. 138. 4.35 0.24 24.A059600200072 112. 56. 139. 7.88 0.93 25.A059600200073 112. 56. 140. 3.62 0.35 26.A059600200074 112. 56. 141. 4.03 0.24 28.A059600200075 112. 57. 142. 4.78 0.81 29.A059600200076 112. 58. 141. 11.64 0.32 27.A059600200077 112. 58. 143. 7. 0.61 30.A059600200078 ENDDATA 48 0 A059600200079 ENDSUBENT 78 0 A059600299999 SUBENT A0596003 20040120 0000A059600300001 BIB 2 7 A059600300002 REACTION (90-TH-232(9-F-19,F)ELEM/MASS,IND,SIG) A059600300003 DECAY-DATA ((13.)51-SB-122-G,2.70D,DG,564.00,0.708) A059600300004 ((14.)51-SB-124-G,60.2D,DG,602.70,0.984) A059600300005 ((15.)51-SB-126-M,19.0MIN,DG,695.00,0.86) A059600300006 ((18.)53-I-128,25.0MIN,DG,442.90,0.16) A059600300007 ((19.)53-I-130-G,12.36HR,DG,536.10,0.99) A059600300008 ((31.)61-PM-150,2.68HR,DG,333.90,0.69) A059600300009 ENDBIB 7 0 A059600300010 NOCOMMON 0 0 A059600300011 DATA 6 9 A059600300012 EN ELEMENT MASS DATA ERR-T DECAY-FLAG A059600300013 MEV NO-DIM NO-DIM MB MB NO-DIM A059600300014 95. 53. 130. 0.34 0.03 19.A059600300015 95. 55. 136. 0.37 0.09 A059600300016 112. 51. 122. 4.33 0.43 13.A059600300017 112. 51. 124. 6.31 0.48 14.A059600300018 112. 51. 126. 4.92 0.17 15.A059600300019 112. 53. 128. 6.43 0.71 18.A059600300020 112. 53. 130. 4.45 0.34 19.A059600300021 112. 55. 136. 3.32 0.31 A059600300022 112. 61. 150. 2.22 0.22 31.A059600300023 ENDDATA 11 0 A059600300024 ENDSUBENT 23 0 A059600399999 SUBENT A0596004 20040120 0000A059600400001 BIB 3 7 A059600400002 REACTION (90-TH-232(9-F-19,F)MASS,CUM,SIG) A059600400003 COMMENT - By authors. The unchanged charge distribution A059600400004 hypothesis is used to obtain the centroid (Zp) of the A059600400005 charge distribution for a given mass number. A059600400006 STATUS (CURVE) By CAJAD A059600400007 (DEP,A0596002) A059600400008 (DEP,A0596003) A059600400009 ENDBIB 7 0 A059600400010 COMMON 1 3 A059600400011 EN A059600400012 MEV A059600400013 112. A059600400014 ENDCOMMON 3 0 A059600400015 DATA 3 34 A059600400016 MASS DATA ERR-T A059600400017 NO-DIM MB MB A059600400018 88. 9.08 3. A059600400019 91. 12.7 6. A059600400020 91. 15.3 7. A059600400021 95. 19. 2.1 A059600400022 97. 19.9 4. A059600400023 99. 22.1 5. A059600400024 101. 27. 3. A059600400025 102. 20.5 4. A059600400026 104. 21.8 2.8 A059600400027 104. 20.5 2.4 A059600400028 104. 18.4 7. A059600400029 105. 28.7 4. A059600400030 107. 34. 2.6 A059600400031 113. 34.5 5. A059600400032 117. 28.3 5. A059600400033 122. 32.9 6. A059600400034 124. 28.3 5. A059600400035 126. 27.4 2.6 A059600400036 127. 25.4 4. A059600400037 128. 33.4 6. A059600400038 130. 20.5 4. A059600400039 131. 32.4 2.5 A059600400040 131. 139. 4. A059600400041 132. 56.3 3. A059600400042 133. 127. 4. A059600400043 136. 19.9 7. A059600400044 137. 67.7 4. A059600400045 138. 49.1 6. A059600400046 139. 41.5 6. A059600400047 140. 27.8 3. A059600400048 140. 99. 4. A059600400049 141. 41. 7. A059600400050 143. 28.7 4. A059600400051 150. 10.9 6. A059600400052 ENDDATA 36 0 A059600400053 ENDSUBENT 52 0 A059600499999 SUBENT A0596005 20040120 0000A059600500001 BIB 3 7 A059600500002 REACTION 2(90-TH-232(9-F-19,X)91-PA-232,IND,SIG) A059600500003 3(90-TH-232(9-F-19,X)91-PA-233,(CUM),SIG) A059600500004 Production Pa-233 due to Th-232 decay is possible. A059600500005 STATUS (TABLE) In the paper A059600500006 DECAY-DATA (91-PA-232,31.5HR,DG,894.30,0.198, A059600500007 DG,969.30,0.416) A059600500008 (91-PA-233,27.0D,DG,311.90,0.386) A059600500009 ENDBIB 7 0 A059600500010 NOCOMMON 0 0 A059600500011 DATA 5 2 A059600500012 EN DATA 2ERR-T 2DATA 3ERR-T 3 A059600500013 MEV MB MB MB MB A059600500014 95. 5.5 0.8 25.5 1. A059600500015 112. 26.1 0.4 54.2 2. A059600500016 ENDDATA 4 0 A059600500017 ENDSUBENT 16 0 A059600599999 ENDENTRY 5 0 A059699999999