ENTRY 10892 20200229 14641089200000001 SUBENT 10892001 20200229 14641089200100001 BIB 14 54 1089200100002 INSTITUTE (1USALAS,1USATAM,1USATEX,1USANMX,2SWTGVE) 1089200100003 REFERENCE (J,PR/C,26,2525,1982) 1089200100004 (J,PRL,36,497,1976) 1089200100005 ((R,LA-7733,1979)=(T,EVANS,1979)) 1089200100006 AUTHOR (M.L.Evans,G.Glass,J.C.Hiebert,M.Jain,R.A.Kenefick, 1089200100007 L.C.Northcliffe,B.E.Bonner,J.E.Simmons,C.W.Bjork, 1089200100008 P.J.Riley,H.C.Bryant,C.G.Cassapakis,B.Dieterle, 1089200100009 C.P.Leavitt,D.M.Wolfe,D.W.Werren) 1089200100010 TITLE Differential cross section for n-p elastic scattering 1089200100011 in the angular range 51 deg. to 180 deg. at 647.5 MeV.1089200100012 FACILITY (MESON,1USALAS) Los Alamos meson physics facility 1089200100013 INC-SOURCE (P-D) Protons on deuterium with steel collimator 1089200100014 SAMPLE Liquid hydrogen with refrigeration system. Surrounded 1089200100015 with 0.013-mm aluminized mylar, vacuum space, and 1089200100016 mylar jacket. 1089200100017 DETECTOR (TELES,SCIN,SCIN) Differential range telescope with 4 1089200100018 scintillation counters and copper absorbers used to 1089200100019 detect scattered protons. Neutron flux monitored with 1089200100020 two telescopes looking at a polyethylene scatterer, 1089200100021 each using two scintillation counters separated by 1089200100022 copper absorbers. 1089200100023 (MAGSP) Magnetic spectrometer system using four multi- 1089200100024 wire proportional counters and three scintillation 1089200100025 detectors used to detect scattered protons 1089200100026 MONITOR Absolute normalization uses known cross sections for 1089200100027 neutron-proton collisions yielding deuterium and 1089200100028 neutral pions. 1089200100029 METHOD (TOF) Magnetic spectrometer used to obtain time of 1089200100030 flight information for scattered protons. Background 1089200100031 measured using empty target. Computer program KIOWA 1089200100032 used to derive cross sections from raw data. Since 1089200100033 monitor only good for angles less than 13.2-degrees, 1089200100034 average value of absolute normalization to dual-flux- 1089200100035 monitor-counts ratio used for relative normalization 1089200100036 of larger angles. 1089200100037 CORRECTION Cross sections generated by computer program KIOWA 1089200100038 corrected for proton and deuteron absorption in 1089200100039 spectrometer system. 1089200100040 ERR-ANALYS Errors in angles due to systematic errors in 1089200100041 -spectrometer alignment 1089200100042 -multiple scattering and geometric resolution effects 1089200100043 in spectrometer 1089200100044 -multiple scattering of protons in target and 1089200100045 scintillators 1089200100046 (ERR-S) Only statistical errors are quoted, 1089200100047 does not include 1089200100048 (ERR-1) normalization uncertainty of 7%. 1089200100049 STATUS (APRVD) Approved by M.L.Evans, 80/1/28. 1089200100050 (TABLE) Table I, Phys.Rev.C26,2525,1982 1089200100051 HISTORY (19791211C) 1089200100052 (19830620A) BIB update 1089200100053 (20200204A) OS. Heading in sub.2 changed, ERR-ANALYS, 1089200100054 STATUS updated, converted to lower case, 1089200100055 minor BIB changes 1089200100056 ENDBIB 54 0 1089200100057 COMMON 2 3 1089200100058 EN ERR-1 1089200100059 MEV PER-CENT 1089200100060 647.5 7. 1089200100061 ENDCOMMON 3 0 1089200100062 ENDSUBENT 61 0 1089200199999 SUBENT 10892002 20200229 14641089200200001 BIB 2 2 1089200200002 REACTION (1-H-1(N,EL)1-H-1,,DA) 1089200200003 HISTORY (20200204A) Changed DATA -> DATA-CM 1089200200004 ENDBIB 2 0 1089200200005 NOCOMMON 0 0 1089200200006 DATA 3 146 1089200200007 ANG-CM DATA-CM ERR-S 1089200200008 ADEG MB/SR MB/SR 1089200200009 51.1 3.16 0.12 1089200200010 51.7 3.19 0.11 1089200200011 52.3 3.06 0.11 1089200200012 52.9 2.87 0.11 1089200200013 53.4 2.92 0.10 1089200200014 54.0 2.78 0.10 1089200200015 54.6 2.82 0.10 1089200200016 55.2 2.80 0.10 1089200200017 58.7 2.22 0.08 1089200200018 59.3 2.39 0.09 1089200200019 59.8 2.13 0.08 1089200200020 60.4 2.27 0.08 1089200200021 61.0 2.18 0.08 1089200200022 61.6 2.11 0.08 1089200200023 62.2 2.13 0.08 1089200200024 62.8 2.08 0.08 1089200200025 63.4 2.05 0.08 1089200200026 63.8 1.83 0.08 1089200200027 64.4 1.69 0.08 1089200200028 65.0 1.75 0.07 1089200200029 65.6 1.79 0.08 1089200200030 66.2 1.85 0.08 1089200200031 66.8 1.70 0.07 1089200200032 67.4 1.71 0.08 1089200200033 68.0 1.60 0.07 1089200200034 68.6 1.68 0.07 1089200200035 72.1 1.54 0.06 1089200200036 72.7 1.41 0.06 1089200200037 73.3 1.36 0.06 1089200200038 73.9 1.46 0.06 1089200200039 74.5 1.39 0.06 1089200200040 75.1 1.34 0.06 1089200200041 75.7 1.18 0.06 1089200200042 76.4 1.21 0.06 1089200200043 77.0 1.25 0.06 1089200200044 77.6 1.21 0.06 1089200200045 81.7 0.98 0.05 1089200200046 82.4 1.03 0.05 1089200200047 83.0 1.01 0.05 1089200200048 83.6 1.03 0.05 1089200200049 84.3 0.91 0.05 1089200200050 84.9 1.02 0.05 1089200200051 85.5 0.87 0.04 1089200200052 86.1 0.81 0.05 1089200200053 86.8 0.83 0.05 1089200200054 87.7 0.79 0.05 1089200200055 88.4 0.90 0.05 1089200200056 89.0 0.87 0.04 1089200200057 89.7 0.86 0.04 1089200200058 90.3 0.83 0.04 1089200200059 90.9 0.81 0.04 1089200200060 91.6 0.73 0.04 1089200200061 92.2 0.78 0.04 1089200200062 92.9 0.77 0.04 1089200200063 93.5 0.77 0.04 1089200200064 94.7 0.73 0.05 1089200200065 95.4 0.69 0.04 1089200200066 96.0 0.74 0.04 1089200200067 96.7 0.70 0.04 1089200200068 97.3 0.73 0.05 1089200200069 98.0 0.75 0.04 1089200200070 98.6 0.69 0.04 1089200200071 99.3 0.72 0.04 1089200200072 104.8 0.70 0.03 1089200200073 105.5 0.75 0.04 1089200200074 106.2 0.71 0.04 1089200200075 106.8 0.73 0.04 1089200200076 107.5 0.76 0.04 1089200200077 108.2 0.75 0.04 1089200200078 108.8 0.75 0.04 1089200200079 109.5 0.83 0.04 1089200200080 110.2 0.84 0.04 1089200200081 110.8 0.72 0.04 1089200200082 112.2 0.70 0.04 1089200200083 112.9 0.79 0.04 1089200200084 113.6 0.77 0.04 1089200200085 114.3 0.85 0.04 1089200200086 114.9 0.80 0.04 1089200200087 115.6 0.75 0.04 1089200200088 116.3 0.89 0.04 1089200200089 117.0 0.77 0.04 1089200200090 117.6 0.80 0.04 1089200200091 118.3 0.77 0.04 1089200200092 123.6 0.96 0.05 1089200200093 124.2 1.00 0.05 1089200200094 124.9 1.01 0.05 1089200200095 125.6 1.00 0.05 1089200200096 126.3 1.01 0.05 1089200200097 127.0 1.09 0.05 1089200200098 127.7 1.11 0.05 1089200200099 128.4 1.23 0.05 1089200200100 129.1 1.19 0.05 1089200200101 130.9 1.21 0.05 1089200200102 131.6 1.24 0.06 1089200200103 132.3 1.31 0.06 1089200200104 133.0 1.31 0.06 1089200200105 133.7 1.38 0.06 1089200200106 134.4 1.41 0.06 1089200200107 135.1 1.47 0.06 1089200200108 135.8 1.51 0.06 1089200200109 136.5 1.44 0.06 1089200200110 137.2 1.52 0.06 1089200200111 139.4 1.65 0.06 1089200200112 140.1 1.72 0.06 1089200200113 140.8 1.91 0.07 1089200200114 141.5 1.98 0.07 1089200200115 142.2 1.99 0.07 1089200200116 142.9 2.00 0.07 1089200200117 143.6 2.06 0.07 1089200200118 144.3 2.15 0.07 1089200200119 145.1 2.20 0.07 1089200200120 145.8 2.19 0.07 1089200200121 152.0 2.78 0.09 1089200200122 152.7 3.09 0.09 1089200200123 153.4 2.89 0.09 1089200200124 154.2 3.13 0.09 1089200200125 154.9 3.03 0.09 1089200200126 155.6 3.17 0.09 1089200200127 156.3 3.16 0.09 1089200200128 157.0 3.25 0.10 1089200200129 159.4 3.64 0.13 1089200200130 160.1 3.69 0.13 1089200200131 160.8 3.63 0.13 1089200200132 161.6 3.86 0.13 1089200200133 162.3 3.84 0.13 1089200200134 163.0 3.98 0.14 1089200200135 163.7 4.18 0.14 1089200200136 164.5 4.14 0.14 1089200200137 165.2 4.17 0.14 1089200200138 168.5 4.77 0.17 1089200200139 169.2 4.98 0.17 1089200200140 170.0 5.50 0.18 1089200200141 170.7 5.64 0.18 1089200200142 171.4 5.86 0.18 1089200200143 172.1 6.53 0.19 1089200200144 172.9 6.36 0.19 1089200200145 173.6 7.10 0.20 1089200200146 174.3 7.15 0.20 1089200200147 174.5 7.35 0.16 1089200200148 175.2 7.77 0.08 1089200200149 176.0 8.34 0.08 1089200200150 176.7 8.59 0.07 1089200200151 177.4 8.73 0.05 1089200200152 178.2 9.06 0.06 1089200200153 178.9 9.04 0.08 1089200200154 179.6 9.19 0.15 1089200200155 ENDDATA 148 0 1089200200156 ENDSUBENT 155 0 1089200299999 ENDENTRY 2 0 1089299999999