[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Beamline safety notes by Lew Keller, Elton, and I concerningbeam and tagger (fwd)



On Sat, 12 Apr 2008, Jim Stewart wrote:

hm, I think the information from 2000 and older is not so helpful anymore.
as we discussed we need this interface document. Lleigh wanted to provide
a start and of course he did not yet. I will kick a bit to get it because
that is the one we need to really carefully write to capture all this
issues.

cheers elke


> Date: Sat, 12 Apr 2008 16:11:37 -0400 (EDT)
> From: Jim Stewart <jstewart@jlab.org>
> To: halld-tagger@jlab.org
> Subject: Beamline safety notes by Lew Keller, Elton,
>      and I concerning beam and tagger (fwd)
>
> Dear tagger
>
> Elliot points out that the design of the beamline downstream of the tagger
> magnet will be affected by any devices needed for radiation protection.
> Essentially if the tagger magnet trips off you need to shut off the beam
> to the hall fast. This requires several redundant measuring system.
>
> In the below mentioned notes the beamline varies from 15cm to 60cm in
> diameter.
>
> Jim
>
> ---------- Forwarded message ----------
> Date: Wed, 09 Apr 2008 16:45:05 -0400
> From: Elliott Wolin <wolin@jlab.org>
> To: Jim Stewart <jstewart@jlab.org>
> Subject: Beamline safety notes by Lew Keller, Elton,
>      and I concerning beam and tagger
>
> Hi Jim,
>
> I found the notes on the tagger and beamline safety by Lew Keller et al:  check out GlueX
> docs 32, 33, and 599.
>
>
> 				Sincerely,
> 					Elliott
>
>
> ================================================================================
>
>
>   Those raised in a morally relative or neutral environment will hold
> 		    no truths to be self-evident.
>
>
> Elliott Wolin
> Staff Physicist, Jefferson Lab
> 12000 Jefferson Ave
> Suite 8 MS 12A1
> Newport News, VA 23606
> 757-269-7365
>
> ================================================================================
>

 ( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=
  )    `\                                                  -
 /    '. |                                                  +
 |       `,              Elke-Caroline Aschenauer            =
  \,_  `-/                                                    -
  ,&&&&&V         Jefferson Lab                                +
 ,&&&&&&&&:       HALL-D 12C / F381       121-A Atlantic Avenue =
,&&&&&&&&&&;      Suite 8                 Hampton, VA 23664      -
|  |&&&&&&&;\     12000 Jefferson Ave                             +
|  |       :_) _  Newport News, VA 23606  Tel.:  001-757-224-1216  =
|  |       ;--' | Mail:  elke@jlab.org    Mobil: 001-757-256-5224   -
'--'   `-.--.   |                                                    +
   \_    |  |---' Tel.:  001-757-269-5352                             =
     `-._\__/     Fax.:  001-757-269-6331                              -
            +=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+