InterviewSolution
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How Do I Use The E2-enhanced Background Subtraction In Escl8r? |
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Answer» To make use of the E2-enhanced background, you need to have the original symmetrized matrix. CALL up gf3, READ in the total projection, and use the SL and WI commands to create a .win file for slice, containing one or more wide gates on the E2-bump region of the spectrum. Depending on the nucleus, this is usually in the region of 1.1 to 1.6 MeV, but you should also be guided by the observed E2-bump problems in your esc l8r gates. You don't need to worry about small peaks in the gate(s), but try to exclude large peaks. Then exit from gf3, and use slice to TAKE an x-projected gate on the matrix, summing all of the windows in your .win file. Keep the .win file for use later in escl8r. In gf3 again, read in the summed gate and draw a background under it with the BG or SC commands, just as you did for the total projection. Save this background spectrum. Now in escl8r, use the CB (Change 2D Background) command to put in the new background, as in the following example: Change background? (Y/N)y Use enhanced background from E2-bump gates? (Y/N)y Total projection spectrum file name = ?hfs E2 projection spectrum file name = ?hfe2 Total background spectrum file name = ?HFB E2 background spectrum file name = ?hfe2b Default value for factor 1 is 10.43896 Factor 1 = ? (rtn for default) E2 gate file = ? (default .EXT = .win)hfe2 Default value for factor 2 is 61194.43 Factor 2 = ? (rtn for default) To make use of the E2-enhanced background, you need to have the original symmetrized matrix. Call up gf3, read in the total projection, and use the SL and WI commands to create a .win file for slice, containing one or more wide gates on the E2-bump region of the spectrum. Depending on the nucleus, this is usually in the region of 1.1 to 1.6 MeV, but you should also be guided by the observed E2-bump problems in your esc l8r gates. You don't need to worry about small peaks in the gate(s), but try to exclude large peaks. Then exit from gf3, and use slice to take an x-projected gate on the matrix, summing all of the windows in your .win file. Keep the .win file for use later in escl8r. In gf3 again, read in the summed gate and draw a background under it with the BG or SC commands, just as you did for the total projection. Save this background spectrum. Now in escl8r, use the CB (Change 2D Background) command to put in the new background, as in the following example: Change background? (Y/N)y Use enhanced background from E2-bump gates? (Y/N)y Total projection spectrum file name = ?hfs E2 projection spectrum file name = ?hfe2 Total background spectrum file name = ?hfb E2 background spectrum file name = ?hfe2b Default value for factor 1 is 10.43896 Factor 1 = ? (rtn for default) E2 gate file = ? (default .EXT = .win)hfe2 Default value for factor 2 is 61194.43 Factor 2 = ? (rtn for default) |
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