- moved inner layer of the vertex detector from 40mm to 30mm (other vertex layers, beampipe and support moved accordingly)
- increased the vertex barrel |z| extent from 6.25cm to 10.0cm and moved the vertex disks out
- changed HCAL barrel passive layer from 2.0cm tungsten to 1.0cm tungsten
- changed number of HCAL barrel layers from 45 to 77 (8.5 interaction length)
- changed HCAL endcap passive layers from 2.0cm tungsten to 2.0cm steel
- changed number of HCAL endcap layers from 45 to 70 (9.0 interaction length, moved muon endcap accordingly)
- made HCAL barrel, coil and muon barrel longer in order to cover the thicker HCal endcap
- moved coil inner bore radius from 2.8m to 2.9m (moved muon barrel accordingly and increased muon endcap radius by 10cm)

- full detector cut: 3d view of the detector
- central region cut: detailed 3d view of the central region (large!!!)

Layer | Inner Radius | z Extent |
---|---|---|

1 | 3.06cm | 10.00cm |

2 | 3.86cm | 10.00cm |

3 | 5.16cm | 10.00cm |

4 | 6.46cm | 10.00cm |

5 | 7.76cm | 10.00cm |

Sensors are supported by cylinders made of 0.026cm thick carbon fiber with 25% coverage.

Layer | Inner Radius | z Extent |
---|---|---|

1 | 3.03cm | 10.02cm |

2 | 3.83cm | 10.02cm |

3 | 5.13cm | 10.02cm |

4 | 6.43cm | 10.02cm |

5 | 7.73cm | 10.02cm |

The cylinders attach to 0.026cm thick carbon fiber (25% coverage) bulkheads that span 3.04cm<r<11.56cm and have an inner |z| of 10.02cm. The vertex detector is attached to the support tube by 0.026cm thick carbon fiber (25% coverage) support disks that span 3.04cm<r<16.87cm and have an inner |z| of 10.05cm.

Layer | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

1 | 3.20cm | 11.50cm | 12.00cm |

2 | 3.30cm | 11.50cm | 16.00cm |

3 | 3.40cm | 11.50cm | 20.00cm |

4 | 3.60cm | 11.50cm | 24.00cm |

The forward disk supports are 0.026cm thick carbon fiber (25% coverage) disks located as follows:

Layer | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

1 | 3.195cm | 16.87cm | 12.03cm |

2 | 3.295cm | 16.87cm | 16.03cm |

3 | 3.395cm | 16.87cm | 20.03cm |

4 | 3.595cm | 16.87cm | 24.03cm |

Layer | Inner Radius | Outer Radius | Inner z | Thickness |
---|---|---|---|---|

1 | 3.06cm | 3.26cm | 10.15cm | 0.5cm |

2 | 3.86cm | 4.06cm | 10.15cm | 0.5cm |

3 | 5.16cm | 5.36cm | 10.15cm | 0.5cm |

4 | 6.46cm | 6.66cm | 10.15cm | 0.5cm |

5 | 7.76cm | 7.96cm | 10.15cm | 0.5cm |

Forward disk readout electronics are modeled as inner and outer rings, both made of G10:

Layer | Inner Radius | Outer Radius | Inner z | Thickness |
---|---|---|---|---|

1-in | 3.1cm | 3.2cm | 11.8cm | 0.2cm |

2-in | 3.2cm | 3.3cm | 15.8cm | 0.2cm |

3-in | 3.3cm | 3.4cm | 19.8cm | 0.2cm |

4-in | 3.5cm | 3.6cm | 23.8cm | 0.2cm |

1-out | 11.5cm | 12.0cm | 11.8cm | 0.2cm |

2-out | 11.5cm | 12.0cm | 15.8cm | 0.2cm |

3-out | 11.5cm | 12.0cm | 19.8cm | 0.2cm |

4-out | 11.5cm | 12.0cm | 23.8cm | 0.2cm |

Barrel cables first are brought radially down to the beam pipe. These radial cables are modeled as Cu disks:

Inner Radius | Outer Radius | Inner z | Thickness |
---|---|---|---|

2.92cm | 3.86cm | 10.65cm | 0.0057cm |

3.86cm | 5.16cm | 10.65cm | 0.0031cm |

5.16cm | 6.46cm | 10.65cm | 0.0016cm |

6.46cm | 7.76cm | 10.65cm | 0.0007cm |

The remaining cable and service materials are located along the beam pipe. Inner cables are 0.01cm thick copper and run conically from an inner radius of 2.98cm at |z|=11.8cm to a radius of 3.155cm at |z|=17.0cm. Service material is 0.3cm thick G10 that runs conically from an inner radius of 3.155cm at |z|=17cm to 3.212cm at |z|=19cm. Outer cables are modeled as copper that flares from a thickness of 0.010cm with an inner radius of 3.212cm at |z|=19cm to a thickness of 0.004cm with an inner radius of 8.558cm at |z|=167.9cm.

Wall | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

inner | 5.71cm | 16.87cm | 86.88cm |

outer | 5.80cm | 16.87cm | 89.43cm |

Layer | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

1 | 3.7cm | 16.67cm | 28.00cm |

2 | 7.5cm | 16.67cm | 50.00cm |

3 | 11.7cm | 16.67cm | 82.95cm |

Each sensor plane has the following material thicknesses:

Material | Thickness |
---|---|

Silicon (active) | 0.002cm |

Silicon (dead) | 0.028cm |

Carbon Fiber (25%) | 0.026cm |

Layer | Inner Radius | z Extent |
---|---|---|

1 | 21.8cm | 55.8cm |

2 | 46.8cm | 82.5cm |

3 | 71.8cm | 108.3cm |

4 | 96.8cm | 134.7cm |

5 | 121.8cm | 160.6cm |

The estimated material thickness for modules, silicon, readout, and cables are averaged over the barrel and are given by:

Material | Layer 1 | Layer 2 | Layer 3 | Layer 4 | Layer 5 |
---|---|---|---|---|---|

PEEK | 0.02cm | 0.02cm | 0.02cm | 0.02cm | 0.02cm |

Rohacell31 (50% coverage) | 0.28cm | 0.28cm | 0.28cm | 0.28cm | 0.28cm |

Epoxy | 0.0175cm | 0.0175cm | 0.0175cm | 0.0175cm | 0.0175cm |

Carbon Fiber | 0.016cm | 0.016cm | 0.016cm | 0.016cm | 0.016cm |

Silicon (active) | 0.03cm | 0.03cm | 0.03cm | 0.03cm | 0.03cm |

Silicon (dead) | 0.00048cm | 0.00048cm | 0.00048cm | 0.00048cm | 0.00048cm |

Kapton | 0.0038cm | 0.0051cm | 0.0064cm | 0.0078cm | 0.0091cm |

Copper | 0.00038cm | 0.00052cm | 0.00065cm | 0.00079cm | 0.00093cm |

The barrel support cylinders are composed of .05cm CarbonFiber, 0.80cm of Rohacell31 (15% coverage) and 0.05cm CarbonFiber. The inner radii and |z| extent are given by:

Layer | Inner Radius | z Extent |
---|---|---|

1 | 20.6cm | 57.7cm |

2 | 45.6cm | 84.3cm |

3 | 70.6cm | 110.2cm |

4 | 95.6cm | 136.6cm |

5 | 120.6cm | 162.4cm |

The barrels are supported by 0.05cm thick carbon fiber (15% coverage) rings:

Layer | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

1 | 21.5cm | 45.6cm | 57.0cm |

2 | 46.5cm | 70.6cm | 83.6cm |

3 | 71.5cm | 95.6cm | 109.5cm |

4 | 96.5cm | 120.6cm | 135.9cm |

5 | 121.5cm | 126.5cm | 161.7cm |

Layer | Inner Radius | Outer Radius | z for A Plane | z for B Plane |
---|---|---|---|---|

1 | 20.7cm | 49.4cm | 85.5cm | 85.9cm |

2 | 20.7cm | 74.7cm | 111.4cm | 111.8cm |

3 | 20.7cm | 99.9cm | 137.8cm | 138.2cm |

4 | 20.7cm | 125.0cm | 163.6cm | 164.0cm |

Each A plane has the following material thicknesses:

Material | Layer 1 | Layer 2 | Layer 3 | Layer 4 |
---|---|---|---|---|

Silicon (active) | 0.03cm | 0.03cm | 0.03cm | 0.03cm |

Silicon (dead) | 0.00048cm | 0.00048cm | 0.00048cm | 0.00048cm |

Kapton | 0.0051cm | 0.0064cm | 0.0078cm | 0.0091cm |

Copper | 0.00052cm | 0.00065cm | 0.00079cm | 0.00093cm |

PEEK | 0.02cm | 0.02cm | 0.02cm | 0.02cm |

Rohacell31 (50% coverage) | 0.3cm | 0.3cm | 0.3cm | 0.3cm |

Epoxy | 0.0175cm | 0.0175cm | 0.0175cm | 0.0175cm |

Carbon Fiber | 0.016cm | 0.016cm | 0.016cm | 0.016cm |

Each B plane has the following material thicknesses:

Material | Layer 1 | Layer 2 | Layer 3 | Layer 4 |
---|---|---|---|---|

Silicon (active) | 0.03cm | 0.03cm | 0.03cm | 0.03cm |

Silicon (dead) | 0.00048cm | 0.00048cm | 0.00048cm | 0.00048cm |

Kapton | 0.0051cm | 0.0064cm | 0.0078cm | 0.0091cm |

Copper | 0.00052cm | 0.00065cm | 0.00079cm | 0.00093cm |

The endcap supports are disks made of two 0.05cm thick Carbon Fiber planes separated by a 0.63cm thick layer of Rohacell31 (15% coverage). The radial span and inner z coordinate are:

Layer | Inner Radius | Outer Radius | Inner z |
---|---|---|---|

1 | 20.5cm | 51.0cm | 84.5cm |

2 | 20.5cm | 76.3cm | 110.3cm |

3 | 20.5cm | 101.3cm | 136.7cm |

4 | 20.5cm | 126.3cm | 162.6cm |

Layer | Inner Radius | Outer Radius | Inner z | G10 Thickness | Copper Thickness |
---|---|---|---|---|---|

1 | 25.7cm | 45.6cm | 57.1cm | 0.057cm | 0.0038cm |

2 | 51.0cm | 70.6cm | 83.7cm | 0.102cm | 0.0068cm |

3 | 76.3cm | 95.6cm | 109.6cm | 0.108cm | 0.0072cm |

4 | 101.3cm | 120.6cm | 136.0cm | 0.186cm | 0.0124cm |

5 | 101.3cm | 120.6cm | 167.0cm | 0.246cm | 0.0164cm |

Note that in layer five, due to the constraints of the calorimeter, the readout boards are not mounted on this annular ring, but rather at smaller radius.

The EM calorimeter is a sampling calorimeter composed of 20 layers of

material | thickness |
---|---|

Tungsten | 0.25cm |

G10 | 0.068cm |

Silicon | 0.032cm |

Air | 0.025cm |

followed by ten layers of

material | thickness |
---|---|

Tungsten | 0.5cm |

G10 | 0.068cm |

Silicon | 0.032cm |

Air | 0.025cm |

The endcap plug sits inside the barrel cylinder, so the barrel z extent is +/- 182.0cm.

The endcap starts at an inner radius of 26cm and extends out to 126.5cm.

The readout cell size is 3.5mm * 3.5mm.

material | thickness |
---|---|

Tungsten | 1.0cm |

Polysterene | 0.5cm |

G10 | 0.25cm |

It begins immediately outside of the EM calorimeters, with an inner radius of 141.0cm and a |z| extent of +/- 374.5cm.

The readout cell size is 1cm * 1cm.

material | thickness |
---|---|

Steel | 2.0cm |

Polysterene | 0.5cm |

G10 | 0.25cm |

It begins immediately outside of the EM calorimeters, with an inner z of 182.0cm. It extends from an inner radius of 26.0cm to an outer radius of 140.75cm

The readout cell size is 1cm * 1cm.

material | thickness | z |
---|---|---|

Steel | 6.0cm | 374.4cm |

Air | 8.5cm | 374.4cm |

Aluminum | 39.3cm | 366.0cm |

Steel | 6.0cm | 366.0cm |

Air | 20.0cm | 374.4cm |

Steel | 3.0cm | 374.4cm |

This is capped with disk endplates of 6cm steel from r=290cm to 372.8cm.

material | thickness |
---|---|

Iron | 5.0cm |

G10 | 0.3cm |

Pyrex Glass | 0.11cm |

RPC Gas | 0.12cm |

Pyrex Glass | 0.11cm |

Air | 0.86cm |

The barrel inner radius is 373.0cm with |z| extent of 380.4cm.

The endcap sits outside the barrel at an inner z of 380.9cm and radius from 26.0cm to 685.0cm

The readout cell size is 3cm * 3cm

The calorimeter is backed up by a conically tapered tungsten mask, inner radius 8.68cm at z of 182cm, tapering to 16cm at z of 333.0cm. The outer radius is constant at 25.0cm.

There is a far forward low-Z mask (10.0cm thick Beryllium) with an inner z of 285cm.

This is followed by a 50 layer silicon-tungsten calorimeter (BeamCal) with an inner z of 295cm.

-- ChristianGrefe - 03 Mar 2009

I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|

eps | clic01_sid_central.eps | r1 | manage | 19462.5 K | 2009-04-29 - 17:13 | ChristianGrefe | |

eps | clic01_sid_overview.eps | r1 | manage | 725.3 K | 2009-04-29 - 17:12 | ChristianGrefe |

Topic revision: r6 - 2011-02-23 - ChristianGrefe

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