ENTRY 30088 20080215 31253008800000001 SUBENT 30088001 20080215 31253008800100001 BIB 15 23 3008800100002 INSTITUTE (3INDAUW) 3008800100003 REFERENCE (J,NP/A,138,85,196911) activation,grnd+met state, 3008800100004 (P,BARC-401,31,1969) numerical values 3008800100005 (C,67KANPUR,355,196702) preliminary results 3008800100006 AUTHOR (P.Rama Prasad,J.Rama Rao,E.Kondaiah) 3008800100007 TITLE Reaction mechanisms in As75+n system. 3008800100008 FACILITY (CCW) 600 keV Cockcroft-Walton accelerator 3008800100009 INC-SOURCE (D-T) T(d,n)He4 reaction. deuteron energy=300keV 3008800100010 SAMPLE Samples were loaded in polyethylene capsules of 0.5 cm 3008800100011 diameter and 3.0 cm length,wrapped on the outside with 3008800100012 aluminium foils for monitoring the neutron flux. 3008800100013 METHOD (ACTIV) activation 3008800100014 DETECTOR (NAICR) well-type NaI(Tl) scintillation spectrometer3008800100015 Photopeak efficiencies determined experimentally in a 3008800100016 previous measurement. 3008800100017 ANALYSIS Details of decay schemes and values of internal conver-3008800100018 sion coefficients are taken from nuclear data sheets 3008800100019 and tables of sliv and brand respectively 3008800100020 MONITOR ((MONIT1)13-AL-27(N,A)11-NA-24,,SIG) 3008800100021 PART-DET (DG) decay gammas 3008800100022 COMMENT Compare with previous measurements.Tables given. 3008800100023 STATUS (TABLE) data taken from NP/A 138 85 n/1969 3008800100024 ERR-ANALYS (DATA-ERR) No information 3008800100025 ENDBIB 23 0 3008800100026 COMMON 4 3 3008800100027 EN EN-RSL MONIT1 MONIT1-ERR 3008800100028 MEV MEV MB MB 3008800100029 1.4200E+01 2.0000E-01 1.1500E+02 5.0000E+00 3008800100030 ENDCOMMON 3 0 3008800100031 ENDSUBENT 30 0 3008800199999 SUBENT 30088002 20080215 31253008800200001 BIB 4 8 3008800200002 REACTION (33-AS-75(N,2N)33-AS-74,,SIG) 3008800200003 EN-SEC Energy of gamma ray studied = 0.596 MeV 3008800200004 COMMENT Using the Weisskopf-Ewing formula and a level density 3008800200005 parameter equal to A/8 they obtain a value of 1250 mb 3008800200006 in fair agreement with their experimental value 3008800200007 HISTORY (19681125R) private communication from E.Kondaiah 3008800200008 (19690127C) compiled into Dastar 3008800200009 (19701222T) converted from Dastar-00752 3008800200010 ENDBIB 8 0 3008800200011 NOCOMMON 0 0 3008800200012 DATA 2 1 3008800200013 DATA DATA-ERR 3008800200014 MB MB 3008800200015 1.1700E+03 1.1700E+02 3008800200016 ENDDATA 3 0 3008800200017 ENDSUBENT 16 0 3008800299999 SUBENT 30088003 20080215 31253008800300001 BIB 4 8 3008800300002 REACTION (33-AS-75(N,A)31-GA-72,,SIG) 3008800300003 EN-SEC Energy of gamma-ray studied = 0.835 MeV 3008800300004 COMMENT The computed theoretical value using A/8 as level den- 3008800300005 sity parameter is in excellent agreement with the 3008800300006 experimental value 3008800300007 HISTORY (19681125R) private communication from E.Kondaiah 3008800300008 (19690127C) Compiled into Dastar 3008800300009 (19701222T) Converted from Dastar-00753 3008800300010 ENDBIB 8 0 3008800300011 NOCOMMON 0 0 3008800300012 DATA 2 1 3008800300013 DATA DATA-ERR 3008800300014 MB MB 3008800300015 1.3600E+01 1.6000E+00 3008800300016 ENDDATA 3 0 3008800300017 ENDSUBENT 16 0 3008800399999 SUBENT 30088004 20080215 31253008800400001 BIB 3 5 3008800400002 REACTION (33-AS-75(N,P)32-GE-75-G,,SIG) 3008800400003 EN-SEC Energy of gamma ray studied = 0.265 MeV 3008800400004 HISTORY (19681125R) private communication from E.Kondaiah 3008800400005 (19690127C) compiled into Dastar 3008800400006 (19701222T) converted from Dastar-00754 3008800400007 ENDBIB 5 0 3008800400008 NOCOMMON 0 0 3008800400009 DATA 2 1 3008800400010 DATA DATA-ERR 3008800400011 MB MB 3008800400012 1.6000E+01 2.4000E+00 3008800400013 ENDDATA 3 0 3008800400014 ENDSUBENT 13 0 3008800499999 SUBENT 30088005 20080215 31253008800500001 BIB 4 9 3008800500002 REACTION (33-AS-75(N,P)32-GE-75-M,,SIG) 3008800500003 MONITOR ((MONIT2)13-AL-27(N,P)12-MG-27,,SIG) 3008800500004 Used as secondary standard in this measu- 3008800500005 rement. Cross section determined relative to main stan-3008800500006 dard. 3008800500007 EN-SEC Energy of gamma ray studied = 0.139 MeV (IT) 3008800500008 HISTORY (19681125R) private communication from E.Kondaiah 3008800500009 (19690127C) compiled into Dastar 3008800500010 (19701222T) converted from Dastar-00754 3008800500011 ENDBIB 9 0 3008800500012 COMMON 2 3 3008800500013 MONIT2 MONIT2-ERR 3008800500014 MB MB 3008800500015 7.4000E+01 7.0000E+00 3008800500016 ENDCOMMON 3 0 3008800500017 DATA 2 1 3008800500018 DATA DATA-ERR 3008800500019 MB MB 3008800500020 8.0000E+00 1.0000E+00 3008800500021 ENDDATA 3 0 3008800500022 ENDSUBENT 21 0 3008800599999 SUBENT 30088006 20080215 31253008800600001 BIB 3 8 3008800600002 REACTION (33-AS-75(N,P)32-GE-75,,SIG) 3008800600003 Total cross section 3008800600004 COMMENT Sigma total as well as isomeric ratio obtained do not 3008800600005 agree with the values calculated using the statistical 3008800600006 model with a level density parameter equal to A/8, and 3008800600007 it is thereby concluded that the As-75(n,p) reaction 3008800600008 has considerable contribution from direct reaction. 3008800600009 HISTORY (19701222C) compiled into Exfor 3008800600010 ENDBIB 8 0 3008800600011 NOCOMMON 0 0 3008800600012 DATA 2 1 3008800600013 DATA DATA-ERR 3008800600014 MB MB 3008800600015 2.4000E+01 2.2000E+00 3008800600016 ENDDATA 3 0 3008800600017 ENDSUBENT 16 0 3008800699999 SUBENT 30088007 20080215 31253008800700001 BIB 2 2 3008800700002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 3008800700003 HISTORY (19701222C) compiled into Dastar 3008800700004 ENDBIB 2 0 3008800700005 NOCOMMON 0 0 3008800700006 DATA 2 1 3008800700007 DATA DATA-ERR 3008800700008 MB MB 3008800700009 7.4000E+01 7.0000E+00 3008800700010 ENDDATA 3 0 3008800700011 ENDSUBENT 10 0 3008800799999 ENDENTRY 7 0 3008899999999