ENTRY A0729 20050522 A061A072900000001 SUBENT A0729001 20050522 A061A072900100001 BIB 11 26 A072900100002 TITLE Mass distribution in 16-O induced fission of 232-Th A072900100003 REFERENCE (J,RCA,62,173,1993) A072900100004 AUTHOR (A.Goswami, A.V.R.Reddy, B.S.Tomar, P.P.Burte, A072900100005 S.B.Manohar, R.John) A072900100006 INSTITUTE (3INDTRM) Radiochemistry and nuclear physics divisions.A072900100007 REL-REF (R,,U.REUS+,J,AND,29,1,1983) Decay-data. A072900100008 SAMPLE A self supporting thorium target of thickness 2.5 A072900100009 mg/cm2 was covered with a 0.0025 cm aluminium catcher A072900100010 foil to collect the recoiling fission products. A072900100011 DETECTOR (HPGE) A072900100012 FACILITY (VDGT,3INDTRM) The BARC-TIFR PELLETRON accelerator A072900100013 METHOD (SITA) See SAMPLE A072900100014 (BCINT) An electron-suppressed faraday cup A072900100015 (EXTB) Beam current on the target was in the range of A072900100016 10 to 15 Na (particle). A072900100017 (ACTIV) The irradiation time was 30 minutes for the A072900100018 investigation of short lived fission products and 4.5 A072900100019 hours for the long-lived ones. A072900100020 (GSPEC) For short irradiation, the sample was followed A072900100021 for three days, while for the long irradiations the A072900100022 sample was counted for a period of three months. A072900100023 The purity of the gamma-lines for the different fissionA072900100024 products was ascertained by following their half-lives.A072900100025 HISTORY (20050521C) By F.Ch A072900100026 (20050522U) Last checking has been done. A072900100027 ERR-ANALYS (DATA-ERR) An analysis is not given A072900100028 ENDBIB 26 0 A072900100029 NOCOMMON 0 0 A072900100030 ENDSUBENT 29 0 A072900199999 SUBENT A0729002 20050522 A061A072900200001 BIB 4 34 A072900200002 REACTION (90-TH-232(8-O-16,F)ELEM/MASS,CUM,SIG) A072900200003 DECAY-DATA ((1.)38-SR-91,9.52HR,DG,556.,0.633) A072900200004 ((2.)38-SR-92,2.71HR,DG,1384.,0.9) A072900200005 ((3.)40-ZR-95,65.D,DG,757.,0.554) A072900200006 ((4.)40-ZR-97,17.HR,DG,657.,1.06) Nb-97 emits the A072900200007 quantum. A072900200008 ((5.)42-MO-99,66.1HR,DG,141.,0.907) A072900200009 ((6.)44-RU-103,39.3D,DG,497.,0.895) A072900200010 ((7.)45-RH-105-G,35.36HR,DG,319.,0.192) A072900200011 ((8.)46-PD-112,21.05HR,DG,617.,0.5) A072900200012 ((11.)51-SB-127,92.4HR,DG,685.,0.353) A072900200013 ((12.)53-I-131,8.02D,DG,365.,0.812) A072900200014 ((13.)56-BA-139,1.38HR,DG,166.,0.226) A072900200015 ((14.)56-BA-140,12.8D,DG,487.,0.529) A072900200016 ((15.)58-CE-141,32.5D,DG,145.,0.484) A072900200017 ((16.)57-LA-142,1.53HR,DG,641.,0.474) A072900200018 ((17.)58-CE-143,33.HR,DG,293.,0.428) A072900200019 ((18.)62-SM-153,46.75HR,DG,103.,0.203) A072900200020 COMMENT -By author. The measured cross-section correspond to A072900200021 the products recoiling in the forward direction plus aA072900200022 small fraction of the backward recoiling products A072900200023 stopped in the thorium metal foil. These small A072900200024 contributions were corrected for the recoil ranges of A072900200025 the fission products in thorium metal. A forward- A072900200026 to-backward (F/B) ratio equal to one was used to A072900200027 convert the measured yields into total yields. The A072900200028 assumption of F/B ratio of unity will not affect the A072900200029 final yields by more than 10% in view of the measured A072900200030 F/B ratio of 1.1 for 16-O induced fission of 238-U. A072900200031 REL-REF (R,,SATYA PRAKASH+,J,JIN,31,1217,1969) Recoil ranges A072900200032 of the fission products in thorium metal. A072900200033 (R,,D.J.PARKER+,J,ZP/A,336,411,1990) A072900200034 Forward-to-backward ratio for 16-O induced fission of A072900200035 238-U. A072900200036 ENDBIB 34 0 A072900200037 NOCOMMON 0 0 A072900200038 DATA 6 30 A072900200039 EN ELEMENT MASS DATA DATA-ERR DECAY-FLAG A072900200040 MEV NO-DIM NO-DIM MB MB NO-DIM A072900200041 92. 38. 91. 4.33 0.32 2.A072900200042 92. 40. 95. 7.11 0.48 3.A072900200043 92. 40. 97. 7.76 0.52 4.A072900200044 92. 42. 99. 9.58 0.45 5.A072900200045 92. 44. 103. 9.09 0.51 6.A072900200046 92. 45. 105. 12.28 1.01 7.A072900200047 92. 46. 112. 8.49 0.62 8.A072900200048 92. 53. 131. 7.24 0.49 12.A072900200049 92. 56. 139. 6.29 0.43 13.A072900200050 92. 56. 140. 3.39 0.32 14.A072900200051 92. 57. 142. 4.11 0.25 16.A072900200052 92. 58. 141. 9.94 0.76 15.A072900200053 92. 58. 143. 6.24 0.38 17.A072900200054 92. 62. 153. 2.77 0.32 18.A072900200055 105. 38. 91. 7.3 0.61 1.A072900200056 105. 38. 92. 7.73 0.68 2.A072900200057 105. 40. 95. 10.88 0.91 3.A072900200058 105. 40. 97. 10.84 0.87 4.A072900200059 105. 42. 99. 16.47 1.03 5.A072900200060 105. 44. 103. 15.9 0.93 6.A072900200061 105. 45. 105. 20. 1.82 7.A072900200062 105. 46. 112. 18.29 1.32 8.A072900200063 105. 51. 127. 6.81 0.45 11.A072900200064 105. 53. 131. 9.8 0.82 12.A072900200065 105. 56. 139. 9.72 0.62 13.A072900200066 105. 56. 140. 4.61 0.31 14.A072900200067 105. 57. 142. 4.5 0.4 16.A072900200068 105. 58. 141. 13.97 0.98 15.A072900200069 105. 58. 143. 8.65 0.53 17.A072900200070 105. 62. 153. 4.68 0.4 18.A072900200071 ENDDATA 32 0 A072900200072 ENDSUBENT 71 0 A072900299999 SUBENT A0729003 20050522 A061A072900300001 BIB 3 5 A072900300002 REACTION (90-TH-232(8-O-16,F)ELEM/MASS,IND/M+,SIG) A072900300003 DECAY-DATA ((9.)51-SB-122-G,64.8HR,DG,564.,0.708) A072900300004 ((10.)51-SB-124-G,60.2D,DG,603.,0.984) A072900300005 COMMENT -By compiler. See authors' COMMENT and REL-REF in A072900300006 SUBENT A0729002. A072900300007 ENDBIB 5 0 A072900300008 NOCOMMON 0 0 A072900300009 DATA 6 4 A072900300010 EN ELEMENT MASS DATA DATA-ERR DECAY-FLAG A072900300011 MEV NO-DIM NO-DIM MB MB NO-DIM A072900300012 92. 51. 122. 2.74 0.34 9.A072900300013 92. 51. 124. 6.58 0.52 10.A072900300014 105. 51. 122. 8.06 0.79 9.A072900300015 105. 51. 124. 13.62 1.05 10.A072900300016 ENDDATA 6 0 A072900300017 ENDSUBENT 16 0 A072900399999 SUBENT A0729004 20050522 A061A072900400001 BIB 1 1 A072900400002 REACTION (90-TH-232(8-O-16,F)MASS,,SIG) A072900400003 ENDBIB 1 0 A072900400004 NOCOMMON 0 0 A072900400005 DATA 4 34 A072900400006 EN MASS DATA DATA-ERR A072900400007 MEV NO-DIM MB MB A072900400008 92. 91. 4.83 0.36 A072900400009 92. 95. 7.7 0.52 A072900400010 92. 97. 9.19 0.61 A072900400011 92. 99. 10.24 0.48 A072900400012 92. 103. 9.65 0.54 A072900400013 92. 105. 12.97 1.07 A072900400014 92. 112. 10.05 0.73 A072900400015 92. 122. 14.9 1.85 A072900400016 92. 124. 17.26 1.36 A072900400017 92. 131.000001 1.81 0.8 A072900400018 92. 139. 10.97 0.76 A072900400019 92. 140. 8.68 0.82 A072900400020 92. 141. 10.13 0.77 A072900400021 92. 142. 8.47 0.51 A072900400022 92. 143. 8.17 0.5 A072900400023 92. 153. 3.57 0.41 A072900400024 105. 91. 8.47 0.71 A072900400025 105. 92. 9.32 0.82 A072900400026 105. 95. 11.82 0.99 A072900400027 105. 97. 13.08 1.05 A072900400028 105. 99. 17.62 1.1 A072900400029 105. 103. 16.68 0.97 A072900400030 105. 105. 21.22 1.93 A072900400031 105. 112. 21.96 1.58 A072900400032 105. 122. 20.02 1.96 A072900400033 105. 124. 19.31 1.49 A072900400034 105. 127. 16.88 1.31 A072900400035 105. 131. 16.06 1.34 A072900400036 105. 139. 18.66 1.19 A072900400037 105. 140. 13.53 0.91 A072900400038 105. 141. 14.54 1.2 A072900400039 105. 142. 10.45 0.93 A072900400040 105. 143. 12.12 0.74 A072900400041 105. 153. 6.53 0.56 A072900400042 ENDDATA 36 0 A072900400043 ENDSUBENT 42 0 A072900499999 SUBENT A0729005 20050522 A061A072900500001 BIB 4 5 A072900500002 REACTION (90-TH-232(8-O-16,F),,SIG) A072900500003 STATUS (DEP,A0729004) A072900500004 REL-REF (A,A0739001,V.S.RAMAMURTHY+,J,PRL,65,25,1990) A072900500005 MISC-COL (MISC) Most probable mass of fission products A072900500006 (MISC-ERR) An analysis is not given. A072900500007 ENDBIB 5 0 A072900500008 NOCOMMON 0 0 A072900500009 DATA 5 2 A072900500010 EN DATA DATA-ERR MISC MISC-ERR A072900500011 MEV MB MB NO-DIM NO-DIM A072900500012 92. 386. 35. 119.8 0.75 A072900500013 105. 595. 40. 118.9 0.8 A072900500014 ENDDATA 4 0 A072900500015 ENDSUBENT 14 0 A072900599999 ENDENTRY 5 0 A072999999999