[Halld-physics] [EXTERNAL] polarization orientations

[Michael Dugger]

Hi,

In my previous email I should have used the new orientations.

Where I wrote 135 degree I should have used -45 degree instead.

Take care,
Michael

> Hi,
>
> I am with Mark. The PARA and PERP orientations are from the past, where
> PARA was parallel to the floor and PERP was perpendicular to the floor.
> Internally it hardly matters, but to the outside world the PERP and PARA
> designations used with 45/135 degree orientations will probably be
> confusing. We just need the angles 0, 45, 90, 135.
>
> Once the orientation is given in degree, the PARA and PERP designations
> are superfluous.
>
> Take care,
> Michael
>
>> I have never liked the PARA and PERP designations appearing in
>> communications outside the Collaboration. It is jargon IMHO. PARA to
>> what? PERP to what? Why ALL CAPS? Why not PARALLEL and PENDICULAR?
>>
>> I think 0/90 and -45/45 tell the whole story in a way that is
>> jargon-free or nearly so.
>>
>> On 11/21/19 8:07 PM, Curtis A Meyer wrote:
>>> Hi Everyone -
>>>
>>>    in regard to the referring to the polarization as -45/+45, Will has
>>> provided the attached plot that may be useful
>>>
>>> Curtis
>>>
>>>
>>>
>>>
>>> Curtis A. Meyer|MCS Associate Dean for Research
>>> The Otto Stern Professor of Physics cmeyer at cmu.edu
>>> <mailto:cmeyer at cmu.edu>|412 268 2745
>>> Carnegie Mellon University
>>> Department of Physics, Wean Hall 8414
>>> 5000 Forbes Ave., Pittsburgh PA, 15213
>>> www.curtismeyer.com
>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.curtismeyer.com&d=DwMFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=p3b5acpwYNkmZ3alLqoe1DpcHi6vq5JvK_7ohJe1WqI&m=uoF2pX6Pqr0jXdX1Yj_zBCYx0Mlfo07-z6Ku8BBVZX8&s=JTIqK28pmrasWN8txNY6iK7aAvgjPibsz134yzdySNY&e=>
>>>
>>>
>>>
>>>
>>>
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