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) | ** PbWO4 crystals: 2cm x 2cm x 20 cm (> 20 X0) | ||
** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E | ** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E | ||
| Line 6: | Line 6: | ||
*** Fill factor > 50% | *** Fill factor > 50% | ||
** Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits) | ** Electonics: in situ ≥ 250 MHz Digitization (≥ 12 bits) | ||
| − | * Barrel | + | * Barrel: &-;1.7 < η < 0 |
** PbWO4 crystals, 2D projective. Inner faces ≈ 2cm x 2cm. Projective depth 20 cm | ** PbWO4 crystals, 2D projective. Inner faces ≈ 2cm x 2cm. Projective depth 20 cm | ||
** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E | ** Energy resolution 2%/(√ E) ⊕ 1% ⊕ 1%/E | ||
Revision as of 10:23, 21 June 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, η > 0
- W-Shashlik. 2D projective. Fiber spacing < 1cm. Projective depth 25 cm ( > 25 X0)
- Energy resolution 6%/(√ 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
- W-Shashlik. 2D projective.
