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

1.– Extension of BW Endcap in Z Direction 2.– Support Structure Backward Endcap EMC 1.– Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Extension of BW Endcap in Z Direction 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. – ToF Supplies 5. – MVD Supplies 6. – Summary Flange, Batch Panel… It extends further backwards as compared to official drawings 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Extension of BW Endcap in Z Direction 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. – ToF Supplies 5. – MVD Supplies 6. – Summary EMC BW Endcap Beam Pipe Flange 150 Flange, Batch Panel… 160 According with Beam Pipe people flange at 150 mm from STT frame, i.e. downstream BW endcap 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (I) Backward Endcap EMC DIN 1025-IPB360-1.0112 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary profile Dimensions (mm) Section Weight H B s e r (cm2) (Kg/m) IPB 100 100 6 10 12 26,0 20,9 DIN 1025-IPB360-1.0112 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (II) Backward Endcap EMC Support Structure (II) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary - Fixed with whole assembly - Order installation/ desensitization - Cylindrical space upstream - Interaction with beam pipe 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (III) Backward Endcap EMC Support Structure (III) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (IV) Backward Endcap EMC Support Structure (IV) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Too Tight Placing the pump further 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (V.a) Backward Endcap EMC Support Structure (V.a) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Stress Analysis 1 Ton Max Stress: 26,14 MPa Steel: Safety factor = 10 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Support Structure (V.b) Backward Endcap EMC Support Structure (V.b) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Deformation Analysis Vertical displacement 0,8 mm 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (I) Backward Endcap EMC 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (II) Backward Endcap EMC Tracking Supplies (II) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Held by 4 rollers in the common rail Available area = = 4x1350 = = 5400 mm2 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (III.a) Backward Endcap EMC Tracking Supplies (III.a) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Stress Analysis 3 mm Polyethylene 5.8 Max Stress: 4,29 MPa Polyethylene: Safety factor > 5 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (III.b) Backward Endcap EMC Tracking Supplies (III.b) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Deformation Analysis 3 mm Polyethylene Max deformation < 1 mm 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (IV.a) Backward Endcap EMC Tracking Supplies (IV.a) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Stress Analysis 1 mm Aluminium 4.24 Max Stress: 66,04 MPa Aluminium: Safety factor > 4 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Tracking Supplies (IV.b) Backward Endcap EMC Tracking Supplies (IV.b) 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Ansys Stress Analysis 1 mm Aluminium Max deformation < 0,5 mm 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

ToF Supplies (I) Backward Endcap EMC Space Reserved for ToF Supplies 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Space Reserved for ToF Supplies Gross Area > 16000 mm2 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

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

ToF & Tracking Supplies Backward Endcap EMC ToF & Tracking Supplies 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Posibility to switch the spaces for Tracking and ToF, depending on the needed area. Area up down smaller due to the rails 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

MVD Supplies (I) Backward Endcap EMC New proposal: Rectangular Shape 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary New proposal: Rectangular Shape 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

MVD Supplies (II) Backward Endcap EMC Better use of the space 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Better use of the space Easier and safer insulation system 24 crystals gain! MVD Demand: 44000mm2 With this proposal: Free Area around Beam Pipe for MVD Supplies ~ 50000 mm2 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Summary Backward Endcap EMC 1. – Extension of BW Endcap in Z Direction 2.– Support Structure 3.– Tracking Supplies 4. – ToF Supplies 5. – MVD Supplies 6. – Summary Extension of BW in Z Direction: at least 1000 mm Supporting Structure: Advanced Space for Tracking Supplies: Feasible Space for ToF Supplies: To Be Determined Space for MVD Supplies: Rectangular Solution 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting

Thank you! Personal Contact: Backward Endcap EMC d.rodriguezpineiro@gsi.de Tel: +49 (0) 615971/1634 www-panda.gsi.de 16/06/2009 David Rodríguez Piñeiro - GSI Darmstadt - Turin Collaboration Meeting