ENTRY 12701 20040701 00001270100000001 SUBENT 12701001 20040701 00001270100100001 BIB 13 45 1270100100002 INSTITUTE (1USAMSU) 1270100100003 REFERENCE (J,DA/B,40,(12),5724,198006) 1270100100004 (T,DE VITO,1980) 1270100100005 AUTHOR (R.P.DeVito) 1270100100006 TITLE Determination of the coulomb correction and isovector 1270100100007 terms of the nucleon-nucleus optical model potential 1270100100008 from neutron elastic scattering at 30.3 and 40 MeV. 1270100100009 FACILITY (CYCLO,1USAMSU) 1270100100010 INC-SOURCE (P-LI7) 1270100100011 METHOD (TOF). Pulse shape discrimination used to eliminate 1270100100012 gamma events. Lead shielding used to protect plastic 1270100100013 scintillator from neutron source. 1270100100014 DETECTOR (SCIN) NE-213 organic scintillator for scattered 1270100100015 neutrons. Plastic NE102 scintillator used as beam 1270100100016 monitor 1270100100017 MONITOR Normalization made relative to zero-degree yield of 1270100100018 neutron source reaction. 1270100100019 CORRECTION Corrections made for finite angle, multiple scattering,1270100100020 attenuation, deadtime, source anisotrophy 1270100100021 and background attenuation due to sample. 1270100100022 ERR-ANALYS (DATA-ERR1) Relative uncertainties due to: 1270100100023 . statistics in yields (1-5% at15-90 degrees, 3-25% 1270100100024 at 95-160 degrees). 1270100100025 . monitor statistics (<1%), 1270100100026 . finite geometry (1-8%), 1270100100027 . compound nuclear contribution (<1%), 1270100100028 . background attenuation due to sample (1-3.5%), 1270100100029 . incident angle of proton beam (1%), 1270100100030 . scattering target position (<1-2%), 1270100100031 . mean scattering angle, 0.2-0.5 degrees. 1270100100032 (DATA-ERR2) Normalization erorr due to: 1270100100033 . statistics in yields (0-deg flux; <1%), 1270100100034 . monitor statistics (0-deg flux; 1.7%), 1270100100035 . dead time correction (<1%), 1270100100036 . flux anisotrophy correction (<1%), 1270100100037 . number of target nuclei (<1%). 1270100100038 STATUS (APRVD) Approved by R.P.DeVito, 1982/1/26. 1270100100039 Data taken from thesis. 1270100100040 HISTORY (19811110C) 1270100100041 (19840404U) BIB update. 1270100100042 (19860528A) Subentries 3,6 moved to AN 12871. 1270100100043 (20040701A) Converted to new date formats, lower case. 1270100100044 Subentry 4 deleted; replaced by data set 12724. 1270100100045 Subentry 2 deleted; replaced by data set 13902. 1270100100046 (20040730A) History comment updated. 1270100100047 ENDBIB 45 0 1270100100048 COMMON 1 3 1270100100049 DATA-ERR2 1270100100050 PER-CENT 1270100100051 2.6 1270100100052 ENDCOMMON 3 0 1270100100053 ENDSUBENT 52 0 1270100199999 NOSUBENT 12701002 20040701 00001270100200001 NOSUBENT 12701003 20040701 00001270100300001 NOSUBENT 12701004 20040701 00001270100400001 SUBENT 12701005 20040701 00001270100500001 BIB 2 2 1270100500002 REACTION (82-PB-208(N,EL)82-PB-208,,DA) 1270100500003 SAMPLE Mass of 200.640 grams, enriched to 98.69% 208Pb. 1270100500004 ENDBIB 2 0 1270100500005 NOCOMMON 0 0 1270100500006 DATA 4 68 1270100500007 EN ANG-CM DATA-CM DATA-ERR1 1270100500008 MEV ADEG MB/SR MB/SR 1270100500009 30.3 15.07 0.2675E+04 0.834 E+02 1270100500010 30.3 18.09 0.5685E+03 0.332 E+02 1270100500011 30.3 21.10 0.4702E+02 0.187 E+02 1270100500012 30.3 24.12 0.6827E+02 0.868 E+01 1270100500013 30.3 27.13 0.8994E+02 0.636 E+01 1270100500014 30.3 30.14 0.5339E+02 0.475 E+01 1270100500015 30.3 33.16 0.1920E+02 0.315 E+01 1270100500016 30.3 36.17 0.1679E+02 0.233 E+01 1270100500017 30.3 39.18 0.6385E+02 0.219 E+01 1270100500018 30.3 42.19 0.9782E+02 0.222 E+01 1270100500019 30.3 45.20 0.8786E+02 0.152 E+01 1270100500020 30.3 48.21 0.5629E+02 0.137 E+01 1270100500021 30.3 51.22 0.2820E+02 0.184 E+01 1270100500022 30.3 54.23 0.2585E+02 0.168 E+01 1270100500023 30.3 57.24 0.3921E+02 0.166 E+01 1270100500024 30.3 60.25 0.5285E+02 0.115 E+01 1270100500025 30.3 63.26 0.5168E+02 0.111 E+01 1270100500026 30.3 66.26 0.4224E+02 0.113 E+01 1270100500027 30.3 69.27 0.2692E+02 0.830 E+00 1270100500028 30.3 72.27 0.2033E+02 0.665 E+00 1270100500029 30.3 75.28 0.1795E+02 0.607 E+00 1270100500030 30.3 78.28 0.2267E+02 0.609 E+00 1270100500031 30.3 81.28 0.2256E+02 0.575 E+00 1270100500032 30.3 84.29 0.1983E+02 0.555 E+00 1270100500033 30.3 87.29 0.1557E+02 0.455 E+00 1270100500034 30.3 90.29 0.1189E+02 0.435 E+00 1270100500035 30.3 95.29 0.9654E+01 0.299 E+00 1270100500036 30.3 100.30 0.8721E+01 0.261 E+00 1270100500037 30.3 105.30 0.7321E+01 0.236 E+00 1270100500038 30.3 110.30 0.5704E+01 0.194 E+00 1270100500039 30.3 115.30 0.4024E+01 0.164 E+00 1270100500040 30.3 120.20 0.2772E+01 0.137 E+00 1270100500041 30.3 125.20 0.3164E+01 0.136 E+00 1270100500042 30.3 130.20 0.3584E+01 0.933 E-01 1270100500043 40.0 15.07 0.4686E+03 0.305 E+02 1270100500044 40.0 18.09 0.2562E+02 0.228 E+02 1270100500045 40.0 21.10 0.2837E+03 0.109 E+02 1270100500046 40.0 24.12 0.3767E+03 0.112 E+02 1270100500047 40.0 27.13 0.2158E+03 0.759 E+01 1270100500048 40.0 30.14 0.8011E+02 0.588 E+01 1270100500049 40.0 33.16 0.8884E+02 0.511 E+01 1270100500050 40.0 36.17 0.1438E+03 0.404 E+01 1270100500051 40.0 39.18 0.1741E+03 0.390 E+01 1270100500052 40.0 42.19 0.1422E+03 0.249 E+01 1270100500053 40.0 45.20 0.8429E+02 0.291 E+01 1270100500054 40.0 48.22 0.4644E+02 0.228 E+01 1270100500055 40.0 51.23 0.4927E+02 0.160 E+01 1270100500056 40.0 54.23 0.5653E+02 0.153 E+01 1270100500057 40.0 57.24 0.5550E+02 0.146 E+01 1270100500058 40.0 60.25 0.3761E+02 0.127 E+01 1270100500059 40.0 61.25 0.3420E+02 0.101 E+01 1270100500060 40.0 63.26 0.2601E+02 0.923 E+00 1270100500061 40.0 66.26 0.1989E+02 0.791 E+00 1270100500062 40.0 69.27 0.1932E+02 0.650 E+00 1270100500063 40.0 72.28 0.1811E+02 0.583 E+00 1270100500064 40.0 75.28 0.1493E+02 0.563 E+00 1270100500065 40.0 78.28 0.1160E+02 0.519 E+00 1270100500066 40.0 81.29 0.6722E+01 0.436 E+00 1270100500067 40.0 85.29 0.5942E+01 0.341 E+00 1270100500068 40.0 90.29 0.6058E+01 0.274 E+00 1270100500069 40.0 95.29 0.4500E+01 0.237 E+00 1270100500070 40.0 100.30 0.3072E+01 0.178 E+00 1270100500071 40.0 105.30 0.2558E+01 0.145 E+00 1270100500072 40.0 110.30 0.1477E+01 0.123 E+00 1270100500073 40.0 115.30 0.1176E+01 0.997 E-01 1270100500074 40.0 120.30 0.1325E+01 0.903 E-01 1270100500075 40.0 125.20 0.1362E+01 0.811 E-01 1270100500076 40.0 130.20 0.1432E+01 0.768 E-01 1270100500077 ENDDATA 70 0 1270100500078 ENDSUBENT 77 0 1270100599999 NOSUBENT 12701006 19860528 00001270100600001 ENDENTRY 6 0 1270199999999