David Rodrguez Pieiro GSI Darmstadt PANDA Collaboration Meeting

David Rodríguez Piñeiro GSI Darmstadt PANDA Collaboration Meeting Turin 15. 06. 2009 EMC BW Endcap 15/06/2009

Backward Endcap EMC 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 2

Backward Endcap EMC Extension of BW Endcap in Z Direction 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary It extends further backwards as compared to official drawings 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 3

Backward Endcap EMC Support Structure (I) 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary DIN 1025 -IPB 360 -1. 0112 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 4

Backward Endcap EMC Support Structure (II) 1. – Extension of BW Endcap in Z Direction - Rails for placing 2. – Support Structure - Order installation/ desensitization 4. – To. F Supplies 3. – Tracking Supplies 5. – MVD Supplies 6. – Summary - Cylindrical space upstream - Interaction with beam pipe Rail 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 5

Backward Endcap EMC Support Structure (III) 1. – Extension of BW Endcap in Z Direction 2. – Support Structure Too Tight 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Placing the pump further 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 6

Backward Endcap EMC Support Structure IV. a) ( Ansys Stress Analysis 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 1 Ton 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Max Stress: 26, 14 MPa Steel: Safety factor = 10 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 7

Backward Endcap EMC Support Structure IV. b) ( Ansys Deformation Analysis 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Vertical displacement 0, 8 mm 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 8

Backward Endcap EMC Tracking Supplies (I) 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 9

Backward Endcap EMC Tracking Supplies (II) 1. – Extension of BW Endcap in Z Direction Held by 4 rollers in the common rail 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Available area = = 4 x 1350 = = 5400 mm 2 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 10

Backward Endcap EMC Tracking Supplies III. a ( ) Ansys Stress Analysis 3 mm Polyethylene 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Max Stress: 4, 29 MPa Polyethylene: Safety factor > 5 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 11

Backward Endcap EMC Tracking Supplies III. b ( ) Ansys Deformation Analysis 3 mm Polyethylene 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Max deformation < 1 mm 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 12

Backward Endcap EMC Tracking Supplies IV. a) ( Ansys Stress Analysis 1 mm Aluminium 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Max Stress: 66, 04 MPa Aluminium: Safety factor > 4 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 13

Backward Endcap EMC Tracking Supplies IV. b) ( Ansys Stress Analysis 1 mm Aluminium 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Max deformation < 0, 5 mm 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 14

Backward Endcap EMC To. F Supplies (I) Space Reserved for To. F Supplies 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Gross Area > 16000 mm 2 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 15

Backward Endcap EMC To. F Supplies (II) 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Integrate To. F supplies Support into DIRC and Tracking Support 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 16

Backward Endcap EMC To. F & Tracking Supplies Posibility to switch the spaces for Trackingand To. F, depending on the needed area. 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 17

Backward Endcap EMC MVD Supplies (I) 1. – Extension of BW Endcap in Z Direction 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary New proposal: Rectangular. Shape 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 18

Backward Endcap EMC MVD Supplies (II) - Better use of the space 1. – Extension of BW Endcap in Z Direction 2. – Support Structure - Easier and safer insulation system 3. – Tracking Supplies - 24 crystals gain! 5. – MVD Supplies - MVD Demand: 44000 mm 2 6. – Summary 4. – To. F Supplies With this proposal: Free Area around Beam Pipe for MVD Supplies ~ 50000 mm 2 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 19

Backward Endcap EMC Summary 1. – Extension of BW Endcap in Z Direction Extension of BW in Z Direction: at least 1000 mm Supporting Structure: Advanced Space for Tracking Supplies: Feasible 2. – Support Structure 3. – Tracking Supplies 4. – To. F Supplies 5. – MVD Supplies 6. – Summary Space for To. F Supplies: To Be Determined Space for MVD Supplies: Rectangular. Solution 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 20

Backward Endcap EMC Thank you! Personal Contact: d. rodriguezpineiro@gsi. de Tel: +49 (0) 615971/1634 www-panda. gsi. de 15/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting 21