Difference between revisions of "EM Calorimetry"
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| − | * Electron Endcap | + | * Electron Endcap: −4 < η < −1.7 |
| − | ** | + | ** PbWO4 crystals: 2cm x 2cm x 20 cm (> 20 X0) |
| − | ** Energy | + | ** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E |
| + | ** Spatial resolution (isolated shower) 3mm / (√ E) | ||
| + | ** Readout: Si-PMT, with MCP-PMT at small radius (high neutron fluence) | ||
| + | *** Fill factor > 50% | ||
| + | ** Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits) | ||
| + | * Barrel: −1.7 < η < 0 | ||
| + | ** PbWO4 crystals, 2D projective. Inner faces ≈ 2cm x 2cm. Projective depth 20 cm | ||
| + | ** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E | ||
| + | ** Spatial resolution (isolated shower) 3mm / (√ E) | ||
| + | * Barrel, 0 < η < 1.4 | ||
| + | ** W-Shashlik. 2D projective. Fiber spacing < 1cm. Projective depth 25 cm ( > 25 X0) | ||
| + | ** Energy resolution 6.3%/(√ E) ⊕ 2% ⊕ 2%/E | ||
| + | ** Two-cluster spatial separation: ≤ 1 cm | ||
| + | ** Readout: Si-PMT, each fiber diffused to unique pixel | ||
| + | ** Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits) | ||
| + | * Ion Endcap 1.4 < η < 4 | ||
| + | ** W-Shashlik. 2D projective. | ||
Latest revision as of 11:05, 1 November 2021
- Electron Endcap: −4 < η < −1.7
- PbWO4 crystals: 2cm x 2cm x 20 cm (> 20 X0)
- Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E
- Spatial resolution (isolated shower) 3mm / (√ E)
- Readout: Si-PMT, with MCP-PMT at small radius (high neutron fluence)
- Fill factor > 50%
- Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits)
- Barrel: −1.7 < η < 0
- PbWO4 crystals, 2D projective. Inner faces ≈ 2cm x 2cm. Projective depth 20 cm
- Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E
- Spatial resolution (isolated shower) 3mm / (√ E)
- Barrel, 0 < η < 1.4
- W-Shashlik. 2D projective. Fiber spacing < 1cm. Projective depth 25 cm ( > 25 X0)
- Energy resolution 6.3%/(√ E) ⊕ 2% ⊕ 2%/E
- Two-cluster spatial separation: ≤ 1 cm
- Readout: Si-PMT, each fiber diffused to unique pixel
- Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits)
- Ion Endcap 1.4 < η < 4
- W-Shashlik. 2D projective.
