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MC

MC--PAD WP4: Micro Pattern Gas Detectors

PAD WP4: Micro Pattern Gas Detectors

Leszek Ropelewski

Leszek Ropelewski

CERN

CERN –

– PH

PH -- DT

DT

(2)

Current Trends in Micro Pattern Gas Detectors (Technologies)

Current Trends in Micro Pattern Gas Detectors (Technologies)

••

Micromegas

Micromegas

0.18

0.18

μμ

m CMOS VLSI

m CMOS VLSI

gg

••

GEM

GEM

••

Thick

Thick--GEM and RETGEM

GEM and RETGEM

••

Gridpix Technologies

Gridpix Technologies

CMOS high density

readout electronics

Ions

Ions

Electrons

Electrons

60 %

40 %

(3)

Current Trends in Micro

Current Trends in Micro--Pattern Gas Detectors (Performance)

Pattern Gas Detectors (Performance)

••

Rate Capability

Rate Capability

GEM

THGEM

2x10

6

p/mm

2

••

High Gain

High Gain

••

Space Resolution

Space Resolution

••

Time Resolution

Time Resolution

E

R

l i

E

R

l i

••

Energy Resolution

Energy Resolution

••

Ageing Properties

Ageing Properties

••

Ion Backflow Reduction

Ion Backflow Reduction

Photon Feedback Red ction

Photon Feedback Red ction

Ar/CO2/CF4

(45/15/40)

rms = 4.5ns

Micromegas

GEM

••

Photon Feedback Reduction

Photon Feedback Reduction

Spatial

resolution

σ

~ 12

μ

m

rms 4.5ns

Micromegas

Micromegas

10

-2

10

-1 Edrift=0.2kV/cm

F

MHSP

10

-4

10

-3 F-R-MHSP/GEM/MHSP R-MHSP/GEM/MHSP A /CH (95/5) 760 T

IB

F

10

2

10

3

10

4

10

-5 Ar/CH4 (95/5), 760 Torr

Total gain

(4)

MC

MC--PAD WP4: Micro Pattern Gas Detectors

PAD WP4: Micro Pattern Gas Detectors

CERN, GSI, LNF; ESR: 3 yrs, ER: 2 yrs (contact person: L. Ropelewski, CERN)

High precision and ultra-low mass tracking detectors based on the GEM technology.

The

CERN

group is currently optimizing the single mask GEM technology which allows building large

area detectors. The R&D program consists of the construction and evaluation of small size detector

prototypes and the performance comparison with detectors of alternative technologies Based on

prototypes and the performance comparison with detectors of alternative technologies. Based on

the results of these studies a full size prototype detector for

TOTEM

will be designed, constructed

and studied in a test beam. Electronics cross talk issues will be addressed in readout structure

design by detailed detector and signal simulations , the radiation tolerance and material budget will

be investigated.

The

LNF

group is working on an ultra-light, cylindrical and dead-zone free triple-GEM detector

(C-GEM) for

KLOE

made of five concentric layers A small size prototype has already been built

GEM) for

KLOE

made of five concentric layers. A small size prototype has already been built

successfully. The proposed detector is optimized for applications where large size combined with

low mass is essential. The project is technologically innovative and represents a significant step

forward with respect to the existing vertex tracking technology.

(5)

Single mask process

Single mask process

(6)

Large area planar GEM detectors development (CERN)

Large area planar GEM detectors development (CERN)

New single mask technology

development and evaluation

development and evaluation

with small prototypes:

Max. gain

Stability

Uniformity

1500 2000 2500 3000 3500 rate (Hz)

Uniformity

GEM foils splicing

technology development and

0 500 1000 1500

gy

p

tools

Large prototype

g p

yp

construction

lab tests

beam test postponed due to the

LHC accident

(7)

Cylindrical GEM detectors development (LNF)

Cylindrical GEM detectors development (LNF)

C-GEM prototype

Proof of principle

Mechanical stability

G

Mechanical stability

simulations

C-GEM test (lab, cosmic &

beam tests)

beam tests)

Gain

Efficiency

Time and space resolution

Open issues

Open issues

Single mask foils

Readout electrode

B-field performance

Support structure

Support structure

Detector simulation

Final design - TDR

(8)

Software tools development for MPGD simulations

Software tools development for MPGD simulations

New features:

microscopic electron tracking + avalanches (under test);

updates of the gas parameters (regularly);

boundary element field calculations (2009);

root+Geant4 interface (prototypes).

In progress:

avalanche statistics;

Penning transfer from experimental data;

the big mystery: behaviour of GEMs;

Insulators properties

(9)

Planning and Collaborations

Planning and Collaborations

P4: Micro Pattern Gas Detectors

P4-D1

Characterization of single GEM mask small prototype

Report

m09

P4-D2

Analysis of C-GEM beam test

Report

m18

P4-D3

Technology assessment report C-GEM

Report

m21

P4 D4

Technology assessment report single mask GEM

Report

m33

P4-D4

Technology assessment report single mask GEM

Report

m33

Collaborations:

Collaborations:

CERN former TS-DEM group

RD51

CERN – WP5 of Council Whitepaper – Theme 3 R&D

TOTEM and KLOE groups working on GEM detectors

MC-PAD WP5 - MPGD TPC readout

(10)

Gas Detector lab infrastructure

Gas Detector lab infrastructure

Lab infrastructure:

Clean room

Clean room

4 test stations

assembly space

Electronics assembly

Gas system:

Upgrade to flammable gas

pg

g

mixtures (2009)

(11)

Beam facility for RD51

Beam facility for RD51 -- SPS H4

SPS H4

RD51 WG7 :

collection of requirements and

collection of requirements and

resources

trigger (evaluation, selection)

tracker (construction of tracking

chambers)

c a be s)

infrastructure (2009)

Photonis XP2040B PMT

80 µm

400 µm

350 µm 400 µm

(12)

RD51 Collaboration

RD51 Collaboration

Alessandria, Italy, Dipartimento di Scienze e Technologie Avanzate, Universita del Piemonte Orientale and INFN sezione Torino

Amsterdam, Netherlands,Nikhef

Annecy-le-Vieux, France, Laboratoire d’Annecy-le-Vieux de Physique des Particules (LAPP)

Argonne, USA, High Energy Physics Division, Argonne National Laboratory

Arlington, USA, Department of Physics, University of Texas

Kolkata, India, Saha Institute of Nuclear Physics

Lanzhou, China, School of Nuclear Science and Technology, Lanzhou University

Melbourne, USA, Department of Physics and Space Science, Florida Institute of Technology

Mexico City, Mexico, Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico

g , , p y , y

Athens, Greece, Department of Nuclear and Elementary Particle Physics, University of Athens

Athens, Greece, Institute of Nuclear Physics, National Centre for Science Research “Demokritos”

Athens, Greece, Physics Department, National Technical University of Athens

Aveiro, Portugal, Departamento de Física, Universidade de Aveiro

l S i I i d i i d’Al i (I A ) U i i A ò d

Montreal, Canada, Département de physique, Université de Montréal

Mumbai, India, Tata Institute of Fundamental Research, Department of Astronomy & Astrophysics

Műnchen, Germany, Physik Department, Technische Universität

Műnchen, Germany, Max Planck Institut fűr Physik

Naples, Italy, Dipartimento di Scienze Fisiche dell’Universtà and sezione INFN

N H USA f h i Y l U i i

Barcelona, Spain, Institut de Fisica d’Altes Energies (IFAE), Universtitat Autònoma de Barcelona

Bari, Italy, Dipartimento Interateneo di Fisica del’Universtà and sezione INFN

Bonn, Germany, Physikalisches Institut, Rheinische Friedrich-Wilhelms Universität

Braunschweig, Germany, Physikalisch Technische Bundesanstalt

Budapest, Hungary, Institute of Physics, Eötvös Loránd University

Budapest Hungary KFKI Research Institute for Particle and Nuclear Physics Hungarian

New Haven, USA,Department of Physics, Yale University

Novara, Italy, TERA Foundation

Novosibirsk, Russia, Budker Institute of Nuclear Physics

Ottawa, Canada, Department of Physics,Carleton University

Rehevot, Israel, Radiation Detection Physics Laboratory, The Weizmann Institute of Sciences

Rome, Italy,INFN Sezione di Roma gruppo Sanità and Istituto Superiore di Sanità

Budapest, Hungary, KFKI Research Institute for Particle and Nuclear Physics, Hungarian Academy of Sciences

Bursa, Turkey, Institute for Natural and Applied Sciences, Uludag University

Cagliari, Italy, Dipartimento di Fisica dell’Universtà and sezione INFN

Coimbra, Portugal, Departemento de Fisica, Universidade de Coimbra

Coimbra, Portugal, Laboratorio de Instrumentacao e Fisica Experimental de Particulas

Columbia USA Department of Physics and Astronomy University of South Carolina

Rome, Italy, INFN Sezione di Roma, gruppo Sanità and Istituto Superiore di Sanità

Saclay, France, Institut de recherche sur les lois fondamentales de l'Univers, CEA

Sheffield, Great Britain, Physics Department, University of Sheffield

Siena, Italy, Dipartimento di Fisica dell’Università and INFN Sezione di Pisa

St Etienne, France, Ecole Nationale Superieure des Mines

St Petersburg, Russia, St Petersburg Nuclear Physics Institute

Thessaloniki, Greece, Physics Department Aristotle University of Thessaloniki

Columbia, USA,Department of Physics and Astronomy, University of South Carolina

Frascati, Italy, Laboratori Nazionale di Frascati, INFN

Freiburg, Germany, Physikalisches Institut,Albert-Ludwigs Universität

Geneva, Switzerland, CERN

Geneva, Switzerland, Département de Physique Nucléaire et Corpusculaire, Universite de Genève

Grenoble, France,Laboratoire de Physique Subatomique et de Cosmologie (LPSC)

Trieste, Italy, Dipartimento di Fisica dell’Università and Sezione INFN

Tucson, USA, Department of Physics, University of Arizona

Tunis, Tunisia, Centre Nationale des Sciences et Technologies Nucléaire

Upton, USA, Brookhaven National Laboratory

Valencia, Spain, Instituto de Fisica Corpuscular

Valencia, Spain, Universidad Politécnica

Zaragoza Spain Laboratorio de Física Nuclear y Astropartículas Universidad de Zaragoza

, , y q q g ( )

Hefei, China, University of Science and Technology of China

Helsinki, Finland, Hesinki Institute of Physics

Zaragoza, Spain, Laboratorio de Física Nuclear y Astropartículas, Universidad de Zaragoza

(13)

RD51 Collaboration

(14)

Example: WG1

Example: WG1 -- Development of large

Development of large--area MPGDs (as of October 15)

area MPGDs (as of October 15)

Bulk Micromegas

Single mask GEM

THGEM

Ions

Ions

60 %

40 %

Electrons

Electrons

References

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