Table for estimating source angle for (gamma,p) measurements, based on Hall A and Hall B beam energies. Hall C is always put to nominal 5 pass energy here, as approved experiments are unpolarized. Based on accelerator spin transport code from B. Mecking. revised Sep 2, 1999 rg created 7/20/99 rg Hall A energy 1152.37 MeV Hall B energy 5516.37 MeV 5.000 1.950 56.989 54.381 98.760 -99.939 36.585 0.987 -> 10.000 1.978 57.017 54.409 99.752 -99.864 28.333 0.996 -> 15.000 2.005 57.044 54.436 99.986 -99.029 19.868 0.990 20.000 2.033 57.072 54.464 99.458 -97.440 11.251 0.969 Hall A energy 2243.37 MeV Hall B energy 5516.37 MeV 0.000 8.906 56.961 54.353 -95.683 -99.253 44.557 0.950 5.000 8.934 56.989 54.381 -97.852 -99.939 36.585 0.978 -> 10.000 8.962 57.017 54.409 -99.276 -99.864 28.333 0.991 15.000 8.989 57.044 54.436 -99.945 -99.029 19.868 0.990 20.000 9.017 57.072 54.464 -99.853 -97.440 11.251 0.973 after 8/9 - 8/11 maintenance Hall A energy 856.62 MeV Hall B energy 2478.62 MeV Source | Theta_A Theta_B Theta_C | Pol_A Pol_B Pol_C | Pol_Prod Angle | Theta in units of pi | Polarization in % | 105.000 2.012 14.904 40.987 99.928 -95.531 -99.915 0.955 -> 110.000 2.040 14.932 41.015 99.217 -97.744 -99.894 0.970 -> 115.000 2.068 14.960 41.042 97.750 -99.213 -99.112 0.970 120.000 2.095 14.988 41.070 95.540 -99.927 -97.576 0.955 Hall A energy 1667.62 MeV Hall B energy 2478.62 MeV 75.000 7.037 14.738 40.820 -99.322 -67.952 -84.471 0.675 80.000 7.065 14.766 40.848 -97.931 -74.088 -88.814 0.726 85.000 7.093 14.793 40.876 -95.795 -79.660 -92.482 0.763 90.000 7.120 14.821 40.904 -92.930 -84.625 -95.445 0.786 -> 95.000 7.148 14.849 40.931 -89.357 -88.947 -97.682 0.795 100.000 7.176 14.877 40.959 -85.104 -92.591 -99.176 0.788 105.000 7.204 14.904 40.987 -80.204 -95.531 -99.915 0.766 110.000 7.232 14.932 41.015 -74.693 -97.744 -99.894 0.730 115.000 7.259 14.960 41.042 -68.614 -99.213 -99.112 0.681 120.000 7.287 14.988 41.070 -62.013 -99.927 -97.576 0.620 Hall A energy 4100.62 MeV Hall B energy 2478.62 MeV 120.000 44.948 14.988 41.070 -98.652 -99.927 -97.576 0.986 -> 125.000 44.975 15.016 41.098 -99.703 -99.880 -95.298 0.996 130.000 45.003 15.043 41.126 -99.995 -99.073 -92.294 0.991 135.000 45.031 15.071 41.154 -99.526 -97.513 -88.587 0.971 - - - September 15 - Oct 19 running - - - Hall A energy 1266.65 MeV Hall B energy 3114.65 MeV 160.000 5.917 33.050 31.578 96.657 -98.758 24.155 0.955 165.000 5.945 33.078 31.605 98.524 -97.013 32.521 0.956 Hall A energy 2498.65 MeV Hall B energy 3114.65 MeV 135.000 22.053 32.911 31.439 98.621 -96.145 -19.118 0.948 140.000 22.081 32.939 31.467 96.804 -98.176 -10.491 0.950 NOte: Hall A energy 650.65 MeV Hall B energy 3114.65 MeV 135.000 1.835 32.911 31.439 86.898 -96.145 -19.118 0.835 140.000 1.863 32.939 31.467 90.880 -98.176 -10.491 0.892 145.000 1.891 32.967 31.494 94.171 -99.460 -1.784 0.937 150.000 1.919 32.995 31.522 96.745 -99.986 6.938 0.967 Hall A energy 3114.65 MeV <--- Hall A only at this energy, no good solution Hall B energy 3114.65 MeV 65.000 33.995 32.522 31.050 99.988 -7.045 -98.775 0.070 - - - Oct 28 - Nov 7 running - - - Hall A energy 1949.33 MeV Hall B energy 2897.33 MeV 40.000 7.961 16.963 47.451 99.251 -99.310 -15.321 0.986 -> 45.000 7.989 16.990 47.479 99.938 -99.954 -6.650 0.999 50.000 8.017 17.018 47.507 99.865 -99.837 2.073 0.997 Note: Hall A energy 1001.32 MeV Hall B energy 2897.33 MeV 45.000 1.920 16.990 47.479 96.867 -99.954 -6.650 0.968 Hall A energy 4793.33 MeV Hall B energy 2897.33 MeV 40.000 51.983 16.963 47.451 99.865 -99.310 -15.321 0.992 -> 45.000 52.011 16.990 47.479 99.937 -99.954 -6.650 0.999 50.000 52.039 17.018 47.507 99.249 -99.837 2.073 0.991