ENTRY O0451 20201106 O081O045100000001 SUBENT O0451001 20201106 O081O045100100001 BIB 12 27 O045100100002 TITLE Proton-He4 scattering at 53 MeV O045100100003 AUTHOR (D.J.Cairns,T.C.Griffith,G.J.Lush,A.J.Metheringham, O045100100004 R.H.Thomas) O045100100005 REFERENCE (J,NP,60,369,1964) O045100100006 (C,59LONDON,1,269,1959) - prelim.results O045100100007 INSTITUTE (2UK LON) O045100100008 REL-REF (I,,D.J.Cairns+,J,NIM,10,272,1961) cloud chamber O045100100009 description O045100100010 FACILITY (SYNCY,2UK HAR) O045100100011 SAMPLE The cloud chamber was filled with helium to a O045100100012 pressure of 60 atm and pure ethyl alcohol was used as O045100100013 the condensate O045100100014 ANALYSIS The 1456 p-He4 collisions that have been measured wereO045100100015 analysed in the following three groups: O045100100016 (a) coplanar events; viz., elastic and He4(p,d)He3 O045100100017 collisions, O045100100018 (b) He4(p,pn)He3 reactions (two non-coplanar charged O045100100019 particles), O045100100020 (c) collisions resulting in three charged particles. O045100100021 DETECTOR (PLATE) O045100100022 ADD-RES He4(p,pn)He3 data are given. It is not clear from the O045100100023 source article what particle was registered. O045100100024 ERR-ANALYS (ERR-1) Uncertainty in the number of the events O045100100025 photographed may be due to interactions with the O045100100026 alcohol present in the chamber O045100100027 (ERR-S) Statistical error O045100100028 HISTORY (20201106C) SD O045100100029 ENDBIB 27 0 O045100100030 COMMON 3 3 O045100100031 EN EN-ERR ERR-1 O045100100032 MEV MEV PER-CENT O045100100033 53. 4. 1. O045100100034 ENDCOMMON 3 0 O045100100035 ENDSUBENT 34 0 O045100199999 SUBENT O0451002 20201106 O081O045100200001 BIB 2 2 O045100200002 REACTION (2-HE-4(P,EL)2-HE-4,,IPA) O045100200003 STATUS (TABLE) Tbl.1 from Nucl.Phys.,60(1964)369 O045100200004 ENDBIB 2 0 O045100200005 COMMON 2 3 O045100200006 ANG-MIN ANG-MAX O045100200007 ADEG ADEG O045100200008 0. 10. O045100200009 ENDCOMMON 3 0 O045100200010 DATA 2 1 O045100200011 DATA ERR-S O045100200012 MB MB O045100200013 165.04 5.8 O045100200014 ENDDATA 3 0 O045100200015 ENDSUBENT 14 0 O045100299999 SUBENT O0451003 20201106 O081O045100300001 BIB 2 2 O045100300002 REACTION (2-HE-4(P,D)2-HE-3,,IPA) O045100300003 STATUS (TABLE) Tbl.1 from Nucl.Phys.,60(1964)369 O045100300004 ENDBIB 2 0 O045100300005 COMMON 2 3 O045100300006 ANG-MIN ANG-MAX O045100300007 ADEG ADEG O045100300008 0. 10. O045100300009 ENDCOMMON 3 0 O045100300010 DATA 2 1 O045100300011 DATA ERR-S O045100300012 MB MB O045100300013 28.2 2.2 O045100300014 ENDDATA 3 0 O045100300015 ENDSUBENT 14 0 O045100399999 SUBENT O0451004 20201106 O081O045100400001 BIB 4 14 O045100400002 REACTION (2-HE-4(P,NON),,SIG,,,DERIV) O045100400003 ANALYSIS (p,d)+(p,pn)+ three charged particle event O045100400004 ERR-ANALYS (ERR-2) Errors of identification would cause a O045100400005 redistribution of events amongst the first three O045100400006 groups. At scattering angles between 10. and 25. degr. O045100400007 this error could be as large as 4% of the elastic O045100400008 events but because of poor statistics it is difficult O045100400009 to estimate reliably. O045100400010 (ERR-3,2.,5.) Errors from an approximate extrapolation O045100400011 for all the inelastic events with particles leaving O045100400012 the chamber at angles 10. - 20. O045100400013 STATUS (TABLE) Tbl.1 from Nucl.Phys.,60(1964)369 O045100400014 (DEP,O0415003) (p,d) cross section O045100400015 and (p,pn) cross section (see ADD-RES). O045100400016 ENDBIB 14 0 O045100400017 COMMON 1 3 O045100400018 ERR-2 O045100400019 PER-CENT O045100400020 4. O045100400021 ENDCOMMON 3 0 O045100400022 DATA 2 1 O045100400023 DATA ERR-S O045100400024 MB MB O045100400025 107.7 4.4 O045100400026 ENDDATA 3 0 O045100400027 ENDSUBENT 26 0 O045100499999 SUBENT O0451005 20201106 O081O045100500001 BIB 2 2 O045100500002 REACTION (2-HE-4(P,EL)2-HE-4,,DA) O045100500003 STATUS (CURVE) Fig.2 from Nucl.Phys.,60(1964)369 O045100500004 ENDBIB 2 0 O045100500005 COMMON 2 3 O045100500006 ANG-ERR-D ERR-DIG O045100500007 ADEG PER-CENT O045100500008 0.3 1. O045100500009 ENDCOMMON 3 0 O045100500010 DATA 3 19 O045100500011 ANG-CM DATA-CM ERR-S O045100500012 ADEG MB/SR MB/SR O045100500013 14.5 1.33E+02 1.44E+01 O045100500014 23.8 1.13E+02 8.07E+00 O045100500015 29.6 8.10E+01 5.02E+00 O045100500016 34.7 5.89E+01 5.84E+00 O045100500017 39.6 4.58E+01 3.69E+00 O045100500018 46.4 2.93E+01 2.90E+00 O045100500019 55.2 1.29E+01 1.65E+00 O045100500020 66.6 3.86E+00 7.25E-01 O045100500021 77.9 1.62E+00 3.88E-01 O045100500022 88.2 1.37E+00 4.04E-01 O045100500023 98.7 8.68E-01 3.46E-01 O045100500024 109.0 6.47E-01 3.22E-01 O045100500025 118.1 3.99E-01 3.00E-01 O045100500026 128.0 4.77E-01 3.57E-01 O045100500027 135.0 5.81E-01 4.17E-01 O045100500028 153.3 4.72E+00 1.55E+00 O045100500029 160.7 6.53E+00 2.14E+00 O045100500030 168.2 6.93E+00 5.09E+00 O045100500031 174.7 1.30E+01 8.02E+00 O045100500032 ENDDATA 21 0 O045100500033 ENDSUBENT 32 0 O045100599999 SUBENT O0451006 20201106 O081O045100600001 BIB 2 2 O045100600002 REACTION (2-HE-4(P,D)2-HE-3,,DA) O045100600003 STATUS (CURVE) Fig.3 from Nucl.Phys.,60(1964)369 O045100600004 ENDBIB 2 0 O045100600005 COMMON 2 3 O045100600006 ANG-ERR-D ERR-DIG O045100600007 ADEG MB/SR O045100600008 0.3 0.02 O045100600009 ENDCOMMON 3 0 O045100600010 DATA 3 13 O045100600011 ANG-CM DATA-CM ERR-S O045100600012 ADEG MB/SR MB/SR O045100600013 23.3 2.06 1.02 O045100600014 38.1 3.88 1.08 O045100600015 52.9 5.51 1.01 O045100600016 67.0 3.38 0.56 O045100600017 81.1 2.00 0.42 O045100600018 94.0 1.26 0.36 O045100600019 105.3 0.95 0.38 O045100600020 117.1 1.00 0.40 O045100600021 127.0 2.30 0.68 O045100600022 135.0 0.94 0.52 O045100600023 143.4 0.53 0.52 O045100600024 151.0 1.12 0.68 O045100600025 156.9 0.87 0.71 O045100600026 ENDDATA 15 0 O045100600027 ENDSUBENT 26 0 O045100699999 ENDENTRY 6 0 O045199999999