[NeXus-committee] Terminology: "experiment" vs "beamline"

Herbert J. Bernstein yayahjb at gmail.com
Thu Sep 11 12:23:17 BST 2014


Dear Colleagues,

  My wife, Frances, will be happy to copy-edit when we have a stable
next draft, but she won't be available
to do that until this Sunday evening.   Please let me know when this
round of changes have been merged.

  Regards,
    Herbert

P.S.  "experiment":
      a sequence of measurements undertaken by one
      team, using one instrument, based on one proposal.

would seem to cause difficulty in dealing with experiments that use a
laser (beam_1) and
an x-ray source (beam_2) incident on the same sample at the same time to produce
the relevant data, and the even more complex experiments that are
becoming increasingly
feasible.  I don't think the number of teams, the number of beams, or
the number of
instruments is particularly relevant to whether some organized set of
conditions or actions
that produce a set of observable data values is or is not an experiment

On Thu, Sep 11, 2014 at 4:23 AM, Joachim Wuttke <j.wuttke at fz-juelich.de> wrote:
> Dear colleagues:
>
> Ray's proposed rewording
>   > I also switched “experiment” for “beamline”
> suggests that we need to clarify terminology.
>
> In my understanding:
>    "beamline" = "instrument":
>       relatively stable apparatus used to perform
>       many different experiments
>    "experiment":
>       a sequence of measurements undertaken by one
>       team, using one instrument, based on one proposal.
>
> Equating "beamline" and "experiment" would sound
> utterly confusing to me.
>
> Best - Joachim
>
>
>
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