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Subject: sPHENIX MAPS tracker discussion

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Re: [Sphenix-maps-l] Next Meeting of the Inner Tracker Task Force

From: nouicer <rachid.nouicer AT bnl.gov>
To: Ming Liu <ming AT bnl.gov>, Christof Roland <christof.roland AT cern.ch>
Cc: sphenix-maps-l <sphenix-maps-l AT lists.bnl.gov>, "Chiu, Mickey" <chiu AT rcf.rhic.bnl.gov>, Molly Taylor <mitay AT mit.edu>, "Todoroki, Takahito" <todoroki AT rcf.rhic.bnl.gov>
Subject: Re: [Sphenix-maps-l] Next Meeting of the Inner Tracker Task Force
Date: Wed, 26 Sep 2018 11:32:11 -0400

Dear Ming,

I forget to mention, we need also to see from simulation (only for sPHENIX collaboration) if three MVTX layers are necessary or two layers are good enough. As far I know, to make DCA, two layers are good enough.

Sincerely,
Rachid

On 09/26/2018 10:58 AM, Ming Liu wrote:

Hi Christof, Tony and all,

What is the status of evaluating the impact of INTT on vertex seeding in high rate p+p/p+A collisions? It seems this is pretty much the last major item to be resolved to address the recent MVTX review committee’s recommendations:

You have already made excellent progress with tracking simulations and showed that:

For the global tracking, MVTX+TPC is already showing excellent rejection of pileups in pp collisions, INTT seems not contributing much for further rejection power. Tracking efficiency seems very similar for 2/3/4 layers of INTT. Di-electron mass resolution prefers less INTT layers (or less mass in general)

To me, it seems 2-layer (or 3-layer for high efficiency) INTT already sufficient and preferred for better Upsilon resolutions.

Cheers,

Ming

Ming Xiong Liu

P-25, MS H846 TEL: 505-667-7125(Office)

Physics Division 631-344-7821(BNL)

LANL 630-840-5708(FNAL)

Los Alamos, NM 87545 FAX: 505-665-7020

From: sPHENIX-MAPS-l <sphenix-maps-l-bounces AT lists.bnl.gov> on behalf of Christof Roland <christof.roland AT cern.ch>
Date: Tuesday, September 25, 2018 at 7:21 PM
To: Jin Huang <jhuang AT bnl.gov>
Cc: Mickey Chiu <chiu AT rcf.rhic.bnl.gov>, sPHENIX-INTT <sphenix-intt-l AT lists.bnl.gov>, Sanghoon Lim <sanghoon.lim AT colorado.edu>, Molly Taylor <mitay AT mit.edu>, sphenix-maps-l <sphenix-maps-l AT lists.bnl.gov>, Takahiro Todoroki <todoroki AT rcf.rhic.bnl.gov>
Subject: [Sphenix-maps-l] Next Meeting of the Inner Tracker Task Force

Hi Everybody,

tomorrow we will have the next meeting of the Inner Tracker Task Force.

The indico page, bluejeans link and google doc can be found here:

https://indico.bnl.gov/event/5106/

https://bluejeans.com/553808487/

https://docs.google.com/document/d/17PJdu94Ydg25V-cTHIYfSbkfojH4ZUEfsfoZPm0RDb0/edit

See you tomorrow!

Christof

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                                               /                        /
 Rachid Nouicer                               /                        /
 Physicist, Brookhaven National Laboratory   /                        /
 Address:                                   /                        /
 Brookhaven National Laboratory (BNL)      /                        /
 Physics Department, Building 510c        /                        /
 20 Pennsylvania Avenue                  /                        /
 Upton, New York, 11973, U.S.A.         / Phone: +1 631 344 8433 /
 E-mail : rachid.nouicer AT bnl.gov       /  Fax: : +1 631 344 3253/
 Web:http://www4.rcf.bnl.gov/~nouicer /                        /
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Re: [Sphenix-maps-l] Next Meeting of the Inner Tracker Task Force , (continued)