ENTRY D6022 20091105 D070D602200000001 SUBENT D6022001 20091105 D070D602200100001 BIB 12 39 D602200100002 TITLE Measurement of near and above barrier fusion D602200100003 excitations for 7Li+28Si D602200100004 AUTHOR (H.Majumdar,Mandira Sinha,P.Basu,R.Bhattacharya, D602200100005 Subinit Roy,S.Santra,M.Biswas,V.V.Parkar,B.R.Behra, D602200100006 K.S.Golda,S.K.Datta,S.Kailas) D602200100007 INSTITUTE (3INDTAT) D602200100008 REFERENCE (C,2007TOKYO,2,425,2007) D602200100009 It wasn't published as Nucl.Phys. A805 (2008) 425-427 D602200100010 FACILITY (VDGT,3INDTRM)BARC-TIFR pelletron accelerator D602200100011 (VDGT)IOP-Bhubanuswar pelletron facility D602200100012 SAMPLE thin target of Si-28 (thickness 192 microgram/cm2) D602200100013 sandwiched between 40 microgram/cm2 of Au(in front) D602200100014 and 100 microgram/cm2 of Au (back) was used D602200100015 DETECTOR (HPGE)The gamma rays emmitted from the evaporation D602200100016 residues were detected using Compton suppressed D602200100017 Clover/HPGe detector placed at 55 deg with respect to D602200100018 beam direction. D602200100019 (TELES,SOLST,SOLST) measurement of angular D602200100020 distribution of evaporation of alpha particles was D602200100021 done using two telescopes (25 mu-m, 300mu-m) and two D602200100022 monitors were placed at forward angles(+-9.8 deg) for D602200100023 beam normalisation purpose. D602200100024 METHOD (GSPEC)gamma ray method and alpha evaporation techniqueD602200100025 ANALYSIS The important residues from the fusion of 7-Li+ 28-Si D602200100026 were diagonised by the characteristic gamma ray spectraD602200100027 and these were 29-Si, 30-Si, 32-S, 33-S, 30-P and 33-P.D602200100028 The total gamma-ray cross section was obtained by D602200100029 summing all the cross sections of gamma rays 2.208 MeV,D602200100030 (29-Si), 1.273+1.263 MeV(29-Si+30-Si), 2.235+2.230 MeVD602200100031 (30-Si+32-S), 1.967 MeV(33-S), 0.677 MeV(30-P), 1.847 D602200100032 MeV(33-P). Evaporation alpha cross sections were D602200100033 extracted from the alpha spectra at different angles D602200100034 and these were analysed. D602200100035 ERR-ANALYS (DATA-ERR)the total error in fusion cross section D602200100036 has been estimated to be about +-14% D602200100037 STATUS (TABLE) Data were received from Prof. Harashit MajumdarD602200100038 Entry was sent on approval D602200100039 HISTORY (20091105C)compiled by K. Manimaran, Megha Bhike, D602200100040 C. Karthik and M. Balasubramaniam D602200100041 ENDBIB 39 0 D602200100042 NOCOMMON 0 0 D602200100043 ENDSUBENT 42 0 D602200199999 SUBENT D6022002 20091105 D070D602200200001 BIB 3 3 D602200200002 REACTION (14-SI-28(3-LI-7,X)14-SI-29,PAR,SIG,G) fig.1 D602200200003 EN-SEC (E,G) D602200200004 PART-DET (DG) D602200200005 ENDBIB 3 0 D602200200006 COMMON 1 3 D602200200007 E D602200200008 KEV D602200200009 2028.0 D602200200010 ENDCOMMON 3 0 D602200200011 DATA 3 8 D602200200012 EN DATA DATA-ERR D602200200013 MEV MB MB D602200200014 12.5 5.53 0.55 D602200200015 14. 9.34 0.93 D602200200016 16. 17.6 1.58 D602200200017 18. 43.3 4.33 D602200200018 20. 51.6 5.2 D602200200019 22. 70.4 5.34 D602200200020 24. 103. 8.03 D602200200021 26. 125. 9.5 D602200200022 ENDDATA 10 0 D602200200023 ENDSUBENT 22 0 D602200299999 SUBENT D6022003 20091105 D070D602200300001 BIB 3 3 D602200300002 REACTION (14-SI-28(3-LI-7,X)15-P-30,PAR,SIG,G) fig.1 D602200300003 EN-SEC (E,G) D602200300004 PART-DET (DG) D602200300005 ENDBIB 3 0 D602200300006 COMMON 1 3 D602200300007 E D602200300008 KEV D602200300009 677. D602200300010 ENDCOMMON 3 0 D602200300011 DATA 3 10 D602200300012 EN DATA DATA-ERR D602200300013 MEV MB MB D602200300014 8.5 1.75 0.175 D602200300015 11.5 5.8 0.524 D602200300016 12.5 5.45 0.49 D602200300017 14. 6.65 0.66 D602200300018 16. 5.79 0.58 D602200300019 18. 6.34 0.634 D602200300020 20. 4.52 0.452 D602200300021 22. 2.56 0.256 D602200300022 24. 1.41 0.141 D602200300023 26. 3.25 0.325 D602200300024 ENDDATA 12 0 D602200300025 ENDSUBENT 24 0 D602200399999 SUBENT D6022004 20091105 D070D602200400001 BIB 3 3 D602200400002 REACTION (14-SI-28(3-LI-7,X)15-P-33,PAR,SIG,G) fig.1 D602200400003 EN-SEC (E,G) D602200400004 PART-DET (DG) D602200400005 ENDBIB 3 0 D602200400006 COMMON 1 3 D602200400007 E D602200400008 KEV D602200400009 1847.0 D602200400010 ENDCOMMON 3 0 D602200400011 DATA 3 9 D602200400012 EN DATA DATA-ERR D602200400013 MEV MB MB D602200400014 11.5 4.39 0.3299 D602200400015 12.5 6.08 0.608 D602200400016 14. 9.32 0.8955 D602200400017 16. 9.4 0.902 D602200400018 18. 8.74 0.874 D602200400019 20. 8.56 0.77 D602200400020 22. 7.01 0.7 D602200400021 24. 10.3 1. D602200400022 26. 4.95 0.495 D602200400023 ENDDATA 11 0 D602200400024 ENDSUBENT 23 0 D602200499999 SUBENT D6022005 20091105 D070D602200500001 BIB 3 3 D602200500002 REACTION (14-SI-28(3-LI-7,X)16-S-33,PAR,SIG,G) fig.1 D602200500003 EN-SEC (E,G) D602200500004 PART-DET (DG) D602200500005 ENDBIB 3 0 D602200500006 COMMON 1 3 D602200500007 E D602200500008 KEV D602200500009 1967.0 D602200500010 ENDCOMMON 3 0 D602200500011 DATA 3 10 D602200500012 EN DATA DATA-ERR D602200500013 MEV MB MB D602200500014 8.5 11.35 1.134 D602200500015 11.5 46.56 3.63 D602200500016 12.5 57.76 4.4 D602200500017 14. 69.52 5.56 D602200500018 16. 71.7 5.74 D602200500019 18. 71.98 5.47 D602200500020 20. 65.4 6.54 D602200500021 22. 52.14 3.96 D602200500022 24. 43.8 3.33 D602200500023 26. 42.5 3.23 D602200500024 ENDDATA 12 0 D602200500025 ENDSUBENT 24 0 D602200599999 SUBENT D6022006 20091105 D070D602200600001 BIB 3 4 D602200600002 REACTION ((14-SI-28(3-LI-7,X)16-S-32,PAR,SIG,G)+ D602200600003 (14-SI-28(3-LI-7,X)14-SI-30,PAR,SIG,G)) fig.1 D602200600004 EN-SEC (E,G) D602200600005 PART-DET (DG) D602200600006 ENDBIB 4 0 D602200600007 COMMON 2 3 D602200600008 E E D602200600009 KEV KEV D602200600010 2230.0 2235.0 D602200600011 ENDCOMMON 3 0 D602200600012 DATA 3 10 D602200600013 EN DATA DATA-ERR D602200600014 MEV MB MB D602200600015 8.5 23.737 2.374 D602200600016 11.5 67.187 5.37 D602200600017 12.5 80.252 6.25 D602200600018 14. 109.58 8.54 D602200600019 16. 120.529 9.064 D602200600020 18. 119.533 10.75 D602200600021 20. 135.247 13.5 D602200600022 22. 130.769 9.93 D602200600023 24. 150.597 11.44 D602200600024 26. 149.114 13.419 D602200600025 ENDDATA 12 0 D602200600026 ENDSUBENT 25 0 D602200699999 SUBENT D6022007 20091105 D070D602200700001 BIB 3 4 D602200700002 REACTION ((14-SI-28(3-LI-7,X)14-SI-29,PAR,SIG,G)+ D602200700003 (14-SI-28(3-LI-7,X)14-SI-30,PAR,SIG,G)) fig.1 D602200700004 EN-SEC (E,G) D602200700005 PART-DET (DG) D602200700006 ENDBIB 4 0 D602200700007 COMMON 2 3 D602200700008 E E D602200700009 KEV KEV D602200700010 1273.0 1263.0 D602200700011 ENDCOMMON 3 0 D602200700012 DATA 3 10 D602200700013 EN DATA DATA-ERR D602200700014 MEV MB MB D602200700015 8.5 11.12 1.33 D602200700016 11.5 37.47 4.49 D602200700017 12.5 43.96 5.27 D602200700018 14. 52.43 4.08 D602200700019 16. 68.99 5.5 D602200700020 18. 91.64 7.33 D602200700021 20. 99.39 7.95 D602200700022 22. 100.59 7.64 D602200700023 24. 125.43 9.78 D602200700024 26. 133.55 11.34 D602200700025 ENDDATA 12 0 D602200700026 ENDSUBENT 25 0 D602200799999 SUBENT D6022008 20091105 D070D602200800001 BIB 3 9 D602200800002 REACTION (14-SI-28(3-LI-7,FUS),,SIG,,,DERIV) D602200800003 FLAG (1.) gamma-method D602200800004 (2.) alpha-method D602200800005 STATUS (DEP,D6022002) 29Si de-excitation gamma data D602200800006 (DEP,D6022003) 30P de-excitation gamma data D602200800007 (DEP,D6022004) 33P de-excitation gamma data D602200800008 (DEP,D6022005) 33S de-excitation gamma data D602200800009 (DEP,D6022006) 32S+33Si de-excitation gamma data D602200800010 (DEP,D6022007) 29Si+30Si de-excitation gamma data D602200800011 ENDBIB 9 0 D602200800012 NOCOMMON 0 0 D602200800013 DATA 4 12 D602200800014 EN-CM DATA DATA-ERR FLAG D602200800015 MEV MB MB NO-DIM D602200800016 9.2 492.66 71.57 1. D602200800017 10. 605.50 83.43 1. D602200800018 11.2 775.55 93.00 1. D602200800019 12.8 865.66 128.64 1. D602200800020 12.8 923.79 92.00 2. D602200800021 14.4 962.38 139.26 1. D602200800022 16. 973.50 144.72 1. D602200800023 16.8 976.34 97.60 2. D602200800024 17.6 906.11 117.79 1. D602200800025 19.2 1003.85 135.52 1. D602200800026 20.8 974.34 144.85 1. D602200800027 20.8 1041.96 104.20 2. D602200800028 ENDDATA 14 0 D602200800029 ENDSUBENT 28 0 D602200899999 ENDENTRY 8 0 D602299999999