Dip. Fisica
Bari
INFN toward CMS Upgrade
M de Palma
INFN-Univ Bari
FNAL- Nov. 19, 2008
First step: a Woking Group in INFN Road Map
April 2006
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Final
report
http://www.infn.it/csn1/riunioni/agenda/2006/15-05-2006/depalma.ppt
http://www.infn.it/csn1/Roadmap/SLHC.pdf
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History
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About CMS, in the report, was underlined for the first time the interest of INFN
community to participate in the tracker and muon system upgrade.
It was defined two period of activity:
 a R&D phase in years 2007-2008
 a preproduction phase in years 2009-2010
and for both, a funding profile was present.
… but despite of this, any R&D upgrade program was financed in 2007 and again
in 2008 (in both for CMS and ATLAS). Moreover in last June it appears absolutely
unclear the situation for the 2009….
We realize that a clear discussion within INFN around the SLHC upgrade was
needed and we trigged the Sestri Levante meeting.
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The Sestri Levante meeting
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•
Physic motivations
•
Detector performances (???)
•
Technologic and financial impact
•
Italian contributions and fund
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The Sestri Levante meeting – first day
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• The CMS upgrade: Field of
Interest for INFN Groups
• The CMS upgrade: Field of
Interest and committeemen of
international community
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Tracker General Meeting 27/02/08
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The Sestri Levante meeting – second day
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Summary
The CMS upgrade plans
Field of Interest for INFN Groups
Tracker
Muon system
Cost per R&D phase.
(omissis here)
(Shortly reported here)
(omissis here)
for 1) information's from official CMS talks: J. Nash at LHCC - 23/9/08
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Possible activities for the INFN groups:
Could be infer from the R&D proposal submitted to CMS
1) Upgrade of CMS Barrel Muon Detector
Contact person: P. Zotto, A.Montanari
Istitution: CIEMAT, Universidad de Cantabria, Torino, Bologna, Padova, Bari, Pavia,
Napoli, RWTH Aachen, Madrid, Legnaro, Frascati, Vienna
Status: Approved
2) R&D for Thin Single-Sided Sensors with HPK
Contact Person: M. Mannelli
Istitution: CERN, UCSB, Purdue, FNAL, Perugia, Bari, Pisa, Karlruhe, Vienna, PSI
Status: Approved
3) Development of pixel and micro-strip sensors on radiation tolerant substrates for the tracker
upgrade at SLHC
Contact Person: M. de Palma
Istutution: Bari,Catania, Firenze,Padova,Perugia,Pisa,Torino, PSI, Fnal, Purdue
Status Approved
4) Proposal for a First Level Trigger based on Tracking
Contact Person: F. Palla
Istutution: Lyon, Pisa, Firenze, Bari, Barcellona, Minnesota,,Brown Univ, Boston Univ.
Status Submitted on 30 Oct.
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CMS Upgrade- Documents
The R&D work should give results already at the end of 2011.
In the follow, we assume this time schedule.
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Phase I tracker
The actual CMS idea (but it is still evolving) is that the Pixel system will be
substituted:
 BPIX as the third option ( in slide 4), rebuilt it using the actual technology but
with improvements on FE, cooling (bi-phase CO2), read-out (-tw pairs)
 FPIX still using 3 disk, but maybe with innovative sensors (n-on-p)
In the previous hypothesis of minimal change respect to the actual pixel system, we are
not interested in an involvement in the constriction and assembling of new system, but
we foresee an our involvement in the phase II.
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Possible implication for the phase I tracker
It’s reasonable assume that the choice for the tracker phase-II will be made on the basis
of the experience at LHC, of the R&D and of solutions taken already for the phase I.
 If we want to be relevant on the phase II, we have to be minimally involved in the
development phase of the Pixel-phase I. ( MI will want to maintain his involvement
with commitment similar to the actual, but there are interest from PI, and maybe BA)
 For do what?
 R&D of pixels n-on-p (with colleagues of FPIX, but already running with SMART(GV), RD50,
CMS proposal),
 R&D of 3D (with colleagues of FPIX, but already running with TRIDEAS(GV)),
 Cooling e Mechanics: (at PI with SLIM and SuperB activity, and phase II),
 Preparation of prototypes module and possible involvement in test beam (in synergy with the
sensors phase II proposal,)
 Commitment on the test or on the module qualification ( MI?)
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Possible R&D activity for phase II tracker
In the project of the new tracker and its trigger scheme we would like to be active part
(and we are already…)
In the short period, we would like to contribute in:
 Radiation hardness ( CMS-proposal 2 e 3 )
 Sensor design
 Material/Device study
 Trigger L1 architecture ( CMS proposal 4)
 Algorithm of discrimination and of pre-selection high pT
 High rate data transmission
 Off detector trigger processors
Tracker Layout ( group of simulation)
Subsequently:
Module Prototyping/integration, Cooling e Mechanics layer/system
Other useful initiative for the phase I/phase II: GBT, fast optolink TMB
(already in GV)
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R&D Cost Estimation for INFN
Cost estimation for the first 3 R&D ears (in K€)
I° year
ITEM
Sensori pixel/strip
200
CMS proposal n 2,3
LV1 tracker trigger
30
CMS proposal n 4
DT upgrade
100
CMS proposal n 1
RPC upgrade
10
340
Totali
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II° year
III° year
400
400
60
60
150
150
10
620
50
660
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For phase II tracker – System
Behind R&D, It is our interest be involved at the definition and at the design of the new
system, and also contribute at the realization, of the new tracker.
For this we are collaborating already at the WG of simulation
(see talk of A. Tricomi).
The trigger will be the real improvement of the new generation tracker and the layout will be
imposed by the chosen trigger scheme.
Once defined the trigger scheme, it will determine heavily the choice of the part of the
system that, eventually, we have to build (and pay).
It’s hard to be precise but we would like to follow:
Module Prototyping/integration
Mechanics for layers
Cooling e Mechanics system
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Conclusions
• The INFN groups are ready for start R&D programs, finalized at the phase II,
approved and accepted by CMS.
The timeline for the DTR (2012) and the activity of the others Institutions in CMS
urge us in start as soon as possible. There are Institution already financed, so every
delay will be negatively reflected, mainly for the tracker, on the relevance of the
INFN on the upgrade.
• The commitment for the building part (and the cost) of the phase II in which
we are interested can not be defined exactly. They are related to the study on
events at LHC, on simulations and on results at R&D. It’s essential to be involved in
this study for have at the end a shared project.
Obviously, our capability of action is related to the resources that the INFN
will can and will want to invest on this topic and also to the time in which this
possible resources will be available.
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Dip. Fisica
Sestri Meeting discussion
Bari
We had a long and useful discussion. It has been driven by the fact that the actual
official time schedule for both Phase I and Phase II has been considered unrealistic.
The conclusions of our discussion can be synthesized (about CMS tracker) in the
following statements:



M. de Palma
The R&D on sensors (pixel and strip) must be considered a general and fundamental
item and therefore will be smoothly financed, in conjunction with the LV1tracker
trigger studies and layout simulation. A clear three years financial plan is request to us,
preferably showing also contributions from other institutions.
The INFN-CSN1 had reserved funds already for 2009 financial year. We hope to spend
some of them in 2009 by submitting a detailed R&D program to be discussed with
INFN referees with a time schedule still to be defined (the amount is <100 K€, maybe
before the summer)
The involvement in R&D program does not necessarily mean our automatic
commitment in construction of important parts of the Phase II detector. This
contribution will be, taking into account the interest of involved people, argument of an
agreement between INFN and CMS, to be done in future, at proper time (in 2012?, for
TDR?)
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Our Conclusions
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Since with our CMS R&D proposals, we are almost ready to answer points 1 and
2, we consider the current status promising and positive and……. begin to see
sunrise.
Based on those CMS R&D proposals we are preparing a detailed R&D and cost
program to discuss with to INFN (we hope at the end of January 2009).
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Sensor proposal
Bari
If y ou want,
I can recall the main line (in 4 slides) of sensors proposal in which INFN is most
involved, as presented by A. Messineo in the experiment R&D sessions, at Sestri.
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Sensor proposal
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Sensor proposal
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Submission plan (I)
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Submission plan (II)
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That’s all, thanks
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Back-up
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Activity matrix
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Time schedule
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