ENTRY C2644 20210627 C205C264400000001 SUBENT C2644001 20210627 C205C264400100001 BIB 7 9 C264400100002 TITLE Polarization of High-Energy Protons in Elastic C264400100003 Scattering on Helium and Carbon C264400100004 AUTHOR (O.Chamberlain,E.Segre,R.Tripp,C.Wiegand,T.Ypsilantis) C264400100005 REFERENCE (J,PR,96,807(2),1954) C264400100006 #doi:10.1103/PhysRev.96.807.2 C264400100007 INSTITUTE (1USABRK,1USAUCX) C264400100008 FACILITY (CYCLO,1USABRK) C264400100009 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. C264400100010 HISTORY (20210627C) BP C264400100011 ENDBIB 9 0 C264400100012 NOCOMMON 0 0 C264400100013 ENDSUBENT 12 0 C264400199999 SUBENT C2644002 20210627 C205C264400200001 BIB 4 11 C264400200002 REACTION (2-HE-4(P,EL)2-HE-4,,DA,,MSC) C264400200003 Left scattering from helium. C264400200004 INC-SOURCE (POLIS) 315-MeV 74 percent-polarized protons. The C264400200005 polarized beams were obtained by scattering 340-MeV C264400200006 protons to the left at 15 and 18 degrees, respectively,C264400200007 from a beryllium first target inside the cyclotron. C264400200008 The beam polarizations were determined in separate C264400200009 experiments by external scattering from beryllium at C264400200010 15 and 18 degrees. C264400200011 SAMPLE 1.7 g/cm2 of liquid helium. C264400200012 STATUS (CURVE) Fig. 1, page 808. C264400200013 ENDBIB 11 0 C264400200014 COMMON 1 3 C264400200015 EN C264400200016 MEV C264400200017 315.0 C264400200018 ENDCOMMON 3 0 C264400200019 DATA 3 8 C264400200020 ANG DATA DATA-ERR C264400200021 ADEG MB/SR MB/SR C264400200022 7.712 1.042E+02 4.724E+00 C264400200023 9.840 8.875E+01 4.794E+00 C264400200024 13.893 5.554E+01 2.028E+00 C264400200025 17.805 2.861E+01 1.549E+00 C264400200026 19.855 1.697E+01 9.181E-01 C264400200027 21.914 1.355E+01 7.359E-01 C264400200028 29.973 1.344E+00 1.744E-01 C264400200029 34.043 1.940E-01 9.993E-02 C264400200030 ENDDATA 10 0 C264400200031 ENDSUBENT 30 0 C264400299999 SUBENT C2644003 20210627 C205C264400300001 BIB 4 11 C264400300002 REACTION (2-HE-4(P,EL)2-HE-4,,DA,,MSC) C264400300003 Right scattering from helium. C264400300004 INC-SOURCE (POLIS) 315-MeV 74 percent-polarized protons. The C264400300005 polarized beams were obtained by scattering 340-MeV C264400300006 protons to the left at 15 and 18 degrees, respectively,C264400300007 from a beryllium first target inside the cyclotron. C264400300008 The beam polarizations were determined in separate C264400300009 experiments by external scattering from beryllium at C264400300010 15 and 18 degrees. C264400300011 SAMPLE 1.7 g/cm2 of liquid helium. C264400300012 STATUS (CURVE) Fig. 1, page 808. C264400300013 ENDBIB 11 0 C264400300014 COMMON 1 3 C264400300015 EN C264400300016 MEV C264400300017 315.0 C264400300018 ENDCOMMON 3 0 C264400300019 DATA 3 9 C264400300020 ANG DATA DATA-ERR C264400300021 ADEG MB/SR MB/SR C264400300022 7.815 4.273E+01 3.424E+00 C264400300023 9.805 3.110E+01 1.687E+00 C264400300024 13.849 1.501E+01 9.418E-01 C264400300025 17.902 9.838E+00 7.033E-01 C264400300026 19.895 7.783E+00 6.898E-01 C264400300027 21.953 5.877E+00 3.183E-01 C264400300028 25.940 3.853E+00 3.732E-01 C264400300029 29.983 1.792E+00 1.740E-01 C264400300030 34.024 8.103E-01 1.309E-01 C264400300031 ENDDATA 11 0 C264400300032 ENDSUBENT 31 0 C264400399999 SUBENT C2644004 20210627 C205C264400400001 BIB 3 11 C264400400002 REACTION (2-HE-4(P,EL)2-HE-4,,POL/DA,,ANA) C264400400003 ANALYSIS The relation used e(theta) = Pb*P(theta) in which C264400400004 e(theta) = [sigma left (theta) - sigma right (theta)]/ C264400400005 [sigma left (theta) + sigma right (theta)]. Pb is the C264400400006 polarization of the beam, and P(theta) is the C264400400007 polarization that would be produced by scattering an C264400400008 unpolarized beam at angle theta on the substance in C264400400009 question (in the present experiment, helium or carbon).C264400400010 STATUS (DEP,C2644002) C264400400011 (DEP,C2644003) C264400400012 (CURVE) Fig. 1, page 808. C264400400013 ENDBIB 11 0 C264400400014 COMMON 1 3 C264400400015 EN C264400400016 MEV C264400400017 315.0 C264400400018 ENDCOMMON 3 0 C264400400019 DATA 3 9 C264400400020 ANG DATA DATA-ERR C264400400021 ADEG NO-DIM NO-DIM C264400400022 7.876 0.594 0.041 C264400400023 9.879 0.645 0.027 C264400400024 13.890 0.776 0.024 C264400400025 17.867 0.667 0.032 C264400400026 19.841 0.506 0.054 C264400400027 21.896 0.451 0.032 C264400400028 25.895 0.025 0.062 C264400400029 29.917 -0.241 0.097 C264400400030 33.959 -0.835 0.165 C264400400031 ENDDATA 11 0 C264400400032 ENDSUBENT 31 0 C264400499999 SUBENT C2644005 20210627 C205C264400500001 BIB 4 11 C264400500002 REACTION (6-C-12(P,EL)6-C-12,,DA,,MSC) C264400500003 Left scattering from carbon. C264400500004 INC-SOURCE (POLIS) 290-MeV 64 percent-polarized protons. The C264400500005 polarized beams were obtained by scattering 340-MeV C264400500006 protons to the left at 15 and 18 degrees, respectively,C264400500007 from a beryllium first target inside the cyclotron. C264400500008 The beam polarizations were determined in separate C264400500009 experiments by external scattering from beryllium at C264400500010 15 and 18 degrees. C264400500011 SAMPLE 3.2 g/cm2 of graphite. C264400500012 STATUS (CURVE) Fig. 2, page 808. C264400500013 ENDBIB 11 0 C264400500014 COMMON 1 3 C264400500015 EN C264400500016 MEV C264400500017 290.0 C264400500018 ENDCOMMON 3 0 C264400500019 DATA 3 15 C264400500020 ANG DATA DATA-ERR C264400500021 ADEG MB/SR MB/SR C264400500022 4.737 6.017E+02 C264400500023 6.692 4.699E+02 C264400500024 7.702 4.113E+02 C264400500025 9.917 2.685E+02 C264400500026 11.724 1.770E+02 C264400500027 13.650 8.880E+01 C264400500028 15.660 5.690E+01 C264400500029 17.709 2.342E+01 1.695E+00 C264400500030 19.726 1.664E+01 7.640E-01 C264400500031 21.723 8.835E+00 7.163E-01 C264400500032 23.816 7.230E+00 5.246E-01 C264400500033 25.753 4.257E+00 3.832E-01 C264400500034 27.769 3.025E+00 2.716E-01 C264400500035 29.790 2.318E+00 2.667E-01 C264400500036 31.812 1.810E+00 2.232E-01 C264400500037 ENDDATA 17 0 C264400500038 ENDSUBENT 37 0 C264400599999 SUBENT C2644006 20210627 C205C264400600001 BIB 4 11 C264400600002 REACTION (6-C-12(P,EL)6-C-12,,DA,,MSC) C264400600003 Right scattering from carbon. C264400600004 INC-SOURCE (POLIS) 290-MeV 64 percent-polarized protons. The C264400600005 polarized beams were obtained by scattering 340-MeV C264400600006 protons to the left at 15 and 18 degrees, respectively,C264400600007 from a beryllium first target inside the cyclotron. C264400600008 The beam polarizations were determined in separate C264400600009 experiments by external scattering from beryllium at C264400600010 15 and 18 degrees. C264400600011 SAMPLE 3.2 g/cm2 of graphite. C264400600012 STATUS (CURVE) Fig. 2, page 808. C264400600013 ENDBIB 11 0 C264400600014 COMMON 1 3 C264400600015 EN C264400600016 MEV C264400600017 290.0 C264400600018 ENDCOMMON 3 0 C264400600019 DATA 3 15 C264400600020 ANG DATA DATA-ERR C264400600021 ADEG MB/SR MB/SR C264400600022 4.764 4.247E+02 C264400600023 6.758 2.363E+02 C264400600024 7.828 1.900E+02 C264400600025 9.959 1.087E+02 C264400600026 11.689 6.712E+01 C264400600027 13.678 3.463E+01 C264400600028 15.686 2.370E+01 1.718E+00 C264400600029 17.686 1.435E+01 1.287E+00 C264400600030 19.693 9.551E+00 6.076E-01 C264400600031 21.693 5.838E+00 3.714E-01 C264400600032 23.776 4.390E+00 3.573E-01 C264400600033 25.864 3.559E+00 4.679E-01 C264400600034 27.479 2.942E+00 3.629E-01 C264400600035 29.564 2.297E+00 2.639E-01 C264400600036 31.775 1.557E+00 2.794E-01 C264400600037 ENDDATA 17 0 C264400600038 ENDSUBENT 37 0 C264400699999 SUBENT C2644007 20210627 C205C264400700001 BIB 3 11 C264400700002 REACTION (6-C-12(P,EL)6-C-12,,POL/DA,,ANA) C264400700003 ANALYSIS The relation used e(theta) = Pb*P(theta) in which C264400700004 e(theta) = [sigma left (theta) - sigma right (theta)]/ C264400700005 [sigma left (theta) + sigma right (theta)]. Pb is the C264400700006 polarization of the beam, and P(theta) is the C264400700007 polarization that would be produced by scattering an C264400700008 unpolarized beam at angle theta on the substance in C264400700009 question (in the present experiment, helium or carbon).C264400700010 STATUS (DEP,C2644005) C264400700011 (DEP,C2644006) C264400700012 (CURVE) Fig. 2, page 808. C264400700013 ENDBIB 11 0 C264400700014 COMMON 1 3 C264400700015 EN C264400700016 MEV C264400700017 290.0 C264400700018 ENDCOMMON 3 0 C264400700019 DATA 3 14 C264400700020 ANG DATA DATA-ERR C264400700021 ADEG NO-DIM NO-DIM C264400700022 6.693 0.520 0.025 C264400700023 7.650 0.577 0.025 C264400700024 9.896 0.661 0.027 C264400700025 11.661 0.707 0.025 C264400700026 13.617 0.687 0.036 C264400700027 15.703 0.642 0.041 C264400700028 17.615 0.392 0.060 C264400700029 19.688 0.632 0.068 C264400700030 21.450 0.306 0.071 C264400700031 23.557 0.370 0.074 C264400700032 25.602 0.112 0.096 C264400700033 27.607 -0.004 0.093 C264400700034 29.605 0.195 0.134 C264400700035 31.616 0.112 0.153 C264400700036 ENDDATA 16 0 C264400700037 ENDSUBENT 36 0 C264400799999 ENDENTRY 7 0 C264499999999