Star-fst-l mailing list

[Yi Yang <yiyang AT ncku.edu.tw>]

Hi Flemming,

Thanks a lot for the pictures.

Cheers,

Yi

+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Assistant Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang
+++++++++++++++++++++++++++++++++++++++++++++++++++

On Thu, May 9, 2019 at 11:41 AM flemming videbaek <videbaek AT bnl.gov> wrote:

Hi

I uploaded two pictures of the Beampipe with wrap as it was installed ahead of run 12 with ’new’ supoport cyclinders

see https://drupal.star.bnl.gov/STAR/blog/videbaks/old-beam-pipe

Flemming Videbaek

senior scientist

videbaek @ bnl.gov

Brookhaven National Lab

Physics Department

Bldg 510D

Upton, NY 11973

phone: 631-344-4106

cell     :  631-681-1596

On May 8, 2019, at 23:13, star-fst-l-request AT lists.bnl.gov wrote:

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Today's Topics:

  1. Re: beam pipe radius (Aschenauer Elke-Caroline)


----------------------------------------------------------------------

Message: 1
Date: Wed, 8 May 2019 18:40:34 -0400
From: Aschenauer Elke-Caroline <elke AT bnl.gov>
To: Yi Yang <yiyang AT ncku.edu.tw>
Cc: star-fst-l AT lists.bnl.gov
Subject: Re: [Star-fst-l] beam pipe radius
Message-ID: <0FFF4FE6-BB63-432C-9969-E043A003529C AT bnl.gov>
Content-Type: text/plain; charset="utf-8"

Dear Yi,

I include also John Scheblein as the drawing I sent you came from him. I?m still confused what should be wrapped around the beam pipe.
Why do you want to have 1 cm clearance between the pipe and the start of the Silicon?

cheers elke

On May 8, 2019, at 18:06, Yi Yang <yiyang AT ncku.edu.tw> wrote:

Dear Elke,

Gerard just mentioned to me that I misread the drawing.
The radius of the beryllium tube is 1.5 inches (3.810 cm).

Zhenyu and I remember that Rahul mentioned the radius of the beam pipe is about 5 cm, so I believe this number included all the wrapping stuff I mentioned.

To simplify my question to Rahul: is it okay if the inner radius of the silicon tracker is 4.75 cm (1.87 inches)?

Cheers,
Yi


+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Assistant Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw <mailto:yiyang AT ncku.edu.tw>
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang <https://urldefense.proofpoint.com/v2/url?u=http-3A__phys.ncku.edu.tw_-7Eyiyang&d=DwMFaQ&c=aTOVZmpUfPKZuaG9NO7J7Mh6imZbfhL47t9CpZ-pCOw&r=ERx3yoqUNH-wnn_6YYMyWA&m=zmGG30kVifkJ4B-7gDwCto6fw8klvmPwtdUOHH6zrwU&s=NwTleqWsQ-aekgq95NNPBG9w6DqacPA4gjmyhEl8GhU&e=>
+++++++++++++++++++++++++++++++++++++++++++++++++++


On Thu, May 9, 2019 at 3:03 AM Aschenauer Elke-Caroline <elke AT bnl.gov <mailto:elke AT bnl.gov>> wrote:
Dear Yi,

are you thinking about the bake out blankets? If yes they need to get removed before you would be able to install the Silicon detector, also they seem to be thicker then 0.1 cm.
Rahul any idea what Yi is referring to.

cheers elke

On May 8, 2019, at 10:29, Yi Yang <yiyang AT ncku.edu.tw <mailto:yiyang AT ncku.edu.tw>> wrote:

Dear Bill & Rahul,

Elke kindly forwarded a beam pipe drawing which is going to use in the forward upgrade.
The radius of the beam pipe is 4.625 cm.
However, we remember Rahul mentioned that the beam pipe is also wrapped by something, so we are wondering if it is okay if the inner radius of silicon track is 4.75 mm.
Could you please confirm it? Thanks a lot.

Cheers,
Yi


+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Assistant Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw <mailto:yiyang AT ncku.edu.tw>
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang <https://urldefense.proofpoint.com/v2/url?u=http-3A__phys.ncku.edu.tw_-7Eyiyang&d=DwMFaQ&c=aTOVZmpUfPKZuaG9NO7J7Mh6imZbfhL47t9CpZ-pCOw&r=ERx3yoqUNH-wnn_6YYMyWA&m=mLTnw3M_Gu_rFmcm3TQnInbsHshcEp9EGc85gc0GG50&s=TnZqXvZ8H-2OMQM1JsIdOEao9MsEgwHMsEVrTNhSdjg&e=>
+++++++++++++++++++++++++++++++++++++++++++++++++++


On Wed, May 8, 2019 at 8:39 AM Aschenauer Elke-Caroline <elke AT bnl.gov <mailto:elke AT bnl.gov>> wrote:
Dear Yi,

sorry I wanted to sent this already earlier. Here is the technical drawing from John Scheblein of the STAR original beam pipe we use now and will use for the forward upgrade.

cheers elke

On May 7, 2019, at 17:54, Yi Yang <yiyang AT ncku.edu.tw <mailto:yiyang AT ncku.edu.tw>> wrote:

Dear Elke & Zhenyu,

I am wondering if you have chance to get the information of the radius of the beam pipe from Rahul?
I think the dimensions of sensor and hybrid are almost fixed, so the only dimension is missing is the radius of the beam pipe.
Thanks a lot.

Cheers,
Yi

+++++++++++++++++++++++++++++++++++++++++++++++++++
Yi Yang, Assistant Professor
Department of Physics
National Cheng Kung University
Tainan, 701 Taiwan
E-Mail: yiyang AT ncku.edu.tw <mailto:yiyang AT ncku.edu.tw>
Tel: +886-6-2757575 ext.65237
Fax: +886-6-2747995
Group Web: http://phys.ncku.edu.tw/~yiyang <https://urldefense.proofpoint.com/v2/url?u=http-3A__phys.ncku.edu.tw_-7Eyiyang&d=DwMFaQ&c=aTOVZmpUfPKZuaG9NO7J7Mh6imZbfhL47t9CpZ-pCOw&r=8ygAAI6gQzVe9hFCRdEAO5MwBJh2ID34fiwLpV3P1Xo&m=OluLPO28ZpFOL2awfJkyBVKUrIU83Z6gsObVxQ0Kc18&s=azCZA8mGSymj2pcwIm2nlfkiB_4_EEa4K4KWiuGPbi8&e=>
+++++++++++++++++++++++++++++++++++++++++++++++++++

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( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-
 )    `\                                                      +
/    '. |               Elke-Caroline Aschenauer               =
|       `,                                                      -
 \,_  `-/        Brookhaven National Lab                         +
 ,&&&&&V         Physics Dept.,            25 Corona Road         =
,&&&&&&&&:       Bldg. 510 /2-195          Rocky Point, NY,        -
,&&&&&&&&&&;      20 Pennsylvania Avenue                 11778       +
|  |&&&&&&&;\     Upton, NY 11973                                     =
|  |       :_) _  Tel.:  001-631-344-4769   Tel.:  001-631-569-4290    -
|  |       ;--' |                           Cell-USA: 001-757-2565224   +
'--'   `-.--.   |                           Cell-Europe: +49152220025211 =
  \_    |  |??                                                           -
    `-._\__/     Mail: elke AT bnl.gov <mailto:elke AT bnl.gov>        elke.caroline AT me.com <mailto:elke.caroline AT me.com>           +
           +=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=

( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-
 )    `\                                                      +
/    '. |               Elke-Caroline Aschenauer               =
|       `,                                                      -
 \,_  `-/        Brookhaven National Lab                         +
 ,&&&&&V         Physics Dept.,            25 Corona Road         =
,&&&&&&&&:       Bldg. 510 /2-195          Rocky Point, NY,        -
,&&&&&&&&&&;      20 Pennsylvania Avenue                 11778       +
|  |&&&&&&&;\     Upton, NY 11973                                     =
|  |       :_) _  Tel.:  001-631-344-4769   Tel.:  001-631-569-4290    -
|  |       ;--' |                           Cell-USA: 001-757-2565224   +
'--'   `-.--.   |                           Cell-Europe: +49152220025211 =
  \_    |  |??                                                           -
    `-._\__/     Mail: elke AT bnl.gov <mailto:elke AT bnl.gov>        elke.caroline AT me.com <mailto:elke.caroline AT me.com>           +
           +=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=

( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-
 )    `\                                                      +
/    '. |               Elke-Caroline Aschenauer               =
|       `,                                                      -
 \,_  `-/        Brookhaven National Lab                         +
 ,&&&&&V         Physics Dept.,            25 Corona Road         =
,&&&&&&&&:       Bldg. 510 /2-195          Rocky Point, NY,        -
,&&&&&&&&&&;      20 Pennsylvania Avenue                 11778       +
|  |&&&&&&&;\     Upton, NY 11973                                     =
|  |       :_) _  Tel.:  001-631-344-4769   Tel.:  001-631-569-4290    -
|  |       ;--' |                           Cell-USA: 001-757-2565224   +
'--'   `-.--.   |                           Cell-Europe: +49152220025211 =
  \_    |  |??                                                           -
    `-._\__/     Mail: elke AT bnl.gov <mailto:elke AT bnl.gov>        elke.caroline AT me.com <mailto:elke.caroline AT me.com>           +
           +=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=







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