1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

What is sin[itex]_{2}[/itex][itex]\theta[/itex]min in regards to XRD

  1. Jun 4, 2013 #1
    Hi i have 2[itex]\theta[/itex] and have found sin[itex]_{2}[/itex][itex]\theta[/itex] from that but what does sin[itex]_{2}[/itex][itex]\theta[/itex]min refer to?

    i attached the graph i'm trying to fill out, the information i have is; the peak list with 2[itex]\theta[/itex] the height of the peak in counts, FWHM Left, d-spacing and the relative intensities of the peaks

    anyone know what is meant by sin[itex]_{2}[/itex][itex]\theta[/itex]min
     

    Attached Files:

  2. jcsd
  3. Jun 5, 2013 #2

    HallsofIvy

    User Avatar
    Staff Emeritus
    Science Advisor

    First, you are writing it wrong. It is NOT "[itex]sin_2\theta_{min}[/itex]", it is [itex](sin^2(\theta))_{min}[/itex]. The important thing is that the "min" is not on the [itex]\theta[/itex], it is on the entire function.

    That is, it means the minimum value of [itex]sin^2(\theta)[/itex] over all possible values of [itex]\theta[/itex].
     
    Last edited by a moderator: Jun 5, 2013
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted