Summary of Calorimeter-Muon sessions Daniel Jeans, LLR - Ecole - - PowerPoint PPT Presentation

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Summary of Calorimeter-Muon sessions Daniel Jeans, LLR - Ecole - - PowerPoint PPT Presentation

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Summary of Calorimeter-Muon sessions Daniel Jeans, LLR - Ecole polytechnique 21 presentations impossible to cover everything in sufficient detail... LCWS2010 Beijing LCWS2010 Beijing 1 Introduction Calorimeters for PFA high granularity

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SLIDE 1

LCWS2010 Beijing 1

Summary of Calorimeter-Muon sessions

Daniel Jeans, LLR - Ecole polytechnique

21 presentations impossible to cover everything in sufficient detail... LCWS2010 Beijing

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SLIDE 2

LCWS2010 Beijing 2

Introduction

Calorimeters for PFA → high granularity → physically compact → large active area Muon system → highly efficient muon ID → multi-layer, large active area Sampling detectors with thin, highly segmented active layers strong focus on demonstrating technological feasibility for DBD

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SLIDE 3

LCWS2010 Beijing 3

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 4

LCWS2010 Beijing 4

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 5

LCWS2010 Beijing 5

Efficiency vs rate

Small chambers Efficiency vs HV

Barbar RPC autopsy

RPC chamber studies

Band Belkhadi Lu Repond

bakelite

glass glass

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SLIDE 6

LCWS2010 Beijing 6

Development of large 1m-scale RPC-based detectors

First tests of 1m2 RPC chamber Spraying techniques

Gas flow simulations Belkhadi, Lumb, Repond

(semi)-digital readout

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SLIDE 7

LCWS2010 Beijing 7

GEMs and Micromegas - preparing m2 detectors

Chefdeville, White

micromegas

GEM

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SLIDE 8

LCWS2010 Beijing 8

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with G-APD readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 9

LCWS2010 Beijing 9

SiPM & scintillator

New CPTA photo-sensors ~800 pixels lower noise than old MEPhi/Pulsar

PDE measurement

Scintillator tile uniformity

Danilov, Gentile

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SLIDE 10

LCWS2010 Beijing 10

Prototype results and developments

Next generation A-HCAL

Fabbri, Khan,Polak

Light distribution for calibration

Scintillator ECAL S = 15%, C = 1.4%

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SLIDE 11

LCWS2010 Beijing 11

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 12

LCWS2010 Beijing 12

Rad-hard sensor for beamCal

ECAL, forward calorimeters

Hamamatsu

CALICE SiW ECAL angular resolution ~106/sqrt(E) + 4 mrad

Prototype results & sensor development

Faucci Giannelli, Jeans, Lohmann

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SLIDE 13

LCWS2010 Beijing 13

ECAL, FCAL – next generation closer to real detector modules

ECAL Demonstrator structure

ECAL cooling

planned FCAL stack Grondin, Jeans, Lohmann

Scintillator module

PCB Heat shield Scintillator W slab Photo-sensor

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SLIDE 14

LCWS2010 Beijing 14

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 15

LCWS2010 Beijing 15

More compact HCAL for CLIC: W absorber

Tungsten Absorber Use existing m2 HCAL planes AHCAL for now Later also gas Test beam late 2010

Speckmayer

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SLIDE 16

LCWS2010 Beijing 16

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 17

LCWS2010 Beijing 17

Front-end ASICs

First tests of power pulsing underway

Typically integrated into detector volume de la Taille

Next generation of *ROC chips

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SLIDE 18

LCWS2010 Beijing 18

Active layers

  • gaseous: RPC, MPGD
  • scintillator, with SiPM/MPPC... readout
  • semi-conductors: Silicon, GaAs

Absorber FE electronics Physics/simulation results

  • very forward electron reconstruction
  • hadron shower models
  • software compensation
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SLIDE 19

LCWS2010 Beijing 19

  • O. Novgorodova

Electron reconstruction in BeamCal Stau background rejection Less efficient for SB2009

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SLIDE 20

LCWS2010 Beijing 20

Test-beam results of current detector prototypes

Test hadronic models in GEANT Compare shower shapes of TB data models Large differences some models better than others none perfect

Pi+- longitudinal profile in AHCAL

Pi+- shower width in SiW ECAL

Faucci Giannelli, Lu

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SLIDE 21

LCWS2010 Beijing 21

Software compensation in scintillator AHCAL

  • use high granularity

Energy resolution improved by ~25% Better linearity Seidel

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SLIDE 22

LCWS2010 Beijing 22

Summary

Several technologies under study gas, scintillator, semi-conductor Previous calorimeter prototypes

  • understood performance
  • detector reconstruction
  • testing hadronic models

Producing prototypes with

  • close to size of detector modules
  • integrated electronics, services