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--- l [2009/08/06 14:38] – created clare
+++ l [2025/09/19 15:18] (current) – external edit 127.0.0.1
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+====== l ======
+**[//lam// [//ymin_on_ymax// #] [//no_th_dependence//] [Lam !E] [calculate_Lam]]**
+**[//la// E  //lo// E  [//lh// E] | [//lg// E]]...**
+Defines an emission profile where each "[//la// E  //lo// E  [//lh// E] | [//lg// E] ]" determines an emission profile line, where
+//la//:   Area under the emission profile line
+//lo//:   Wavelength in [Å] of the emission profile line
+//lh//:   HW in mÅ of a Lorentzian convoluted into the emission profile line.
+//lg//:   HW in mÅ of a Gaussian convoluted into the emission profile line.
+//ymin_on_ymax// determines the x-axis extent to which an emission profile line is calculated. It is set to 0.001 by default.
+//no_th_dependence// defines an emission profile that is 2q independent. Allows the use of non-X-ray data or fitting to negative 2q values.
+//Lam// defines the value to be used for the reserved parameter Lam. When //Lam// is not defined then the reserved parameter Lam is defined as the wavelength of the emission profile line with the largest //la// values. Note that //Lam// is used to determine the Bragg angle.
+//calculate_Lam// calculates //Lam// such that it corresponds to the wavelength at the peak of the emission profile. //Lam// needs to be set to an approximate value corresponding to the peak of the emission profile.
+See section 6 for a description of emission profiles.
+**[//lebail// #]**
+A 1 for the //lebail// keyword flags the use of the Le Bail method for peak intensity extraction.
+**[//line_min//] [//use_extrapolation//] [//no_normal_equations//] [//use_LU//]**
+//no_normal_equations// prevents the use of normal equations in the minimization routine; it is useful when the effects of line minimization only is sought or when there are a large number of parameters being refined. Refer to section 5 for a description of the minimization routines .
+**[//lor_fwhm// E]...**
+Defines the FWHM of a Lorentzian function that is convoluted into phase peaks. //lor_fwhm// is used for example by the CS_L and Strain_L macros.
+**[//lpsd_th2_angular_range_degrees// E]...**
+**//lpsd_equitorial_divergence_degrees//** **E**
+**//lpsd_equitorial_sample_length_mm//** **E**
+Calculates an aberration for a Linear Position Sensitive Detector and convolutes it into phase peaks. //lpsd_th2_angular_range_degrees// corresponds to the angular range of the LPSD in 2Th degrees. //lpsd_equitorial_divergence_degrees the equitorial divergence in degrees of the primary beam// and//lpsd_equitorial_sample_length_mm// is the lengths of the sample in the equitorial plane.
+The //lpsd_th2_angular_range_degrees// convolution corrests for peak shapes, intensities and 2Th shifts; see example LPSD-SIMULATED.INP.