AGATA detector characterization: scanning setup at Orsay Concept of the Orsay scanning system (last Agata week – K. Hauschild) Status and plans A. Lopez-Martens & A Korichi for the Orsay (IPN-CSNSM) Group

 LN 2 XYZ table Ge segment and anode signals / NaI 500 MBq Digital [TNT]/Analogue electronics Industrial PC Scanning PC Linux [NARVAL] + SDLT TB NAS NaI Linux Experimental hall at the CSNSM EM shielded and air conditionned Area & EMC control

Concept : xyz Table + TOHR (Orsay) Digital electronics Focal point 2r Fe dd’ Positionning rods Tungten sheet Brace 40 triangular–shaped 200  m thick W-plates Plate separation : 200  m 200  m diameter holes on a hexagonal lattice Agata detector :  movment Xy movment Tohr : z movment Coincidences : 6 NaI detectors Intense Source : 15 mCi Volume /scan point : 2 x 2 x 2- 3 mm3 : 3D Scan of the whole detector From simulations, the number of single interaction Compton scatter events at a given position : face and back of the detector

Collimated 137 Cs delivered : 477 MBq -> 2 kHz After a heavy safety procedure (A. Lopez-Martens) we are allowed to use the source Security trolley Security lock down More security

G4 simulations have shown that TOHR collimator are too thin (K. Hauschild) Double up the thikness Recalibration of each TOHR module (focal point) Done (J. Robin & F. Le Blanc)

 Mechanics ready (P. Pariset)  A conventional XY table, the motorised rotational plate to turn the AGATA detector and the stepping motor for the z-translation of TOHR : delivered  Programming Software for the different movements : done (E. Legay, N. Dosme and X. Grave)

VME interface ACQ-CAMC __________________ CAMAC Analogique ___________________ TNT2 + trigger ___________________ HT et BT détecteur ___________________ ATCA AGATA The analog electronics: 3x(16 channels) CADC cards developped and tested VME interface ACQ- CAMAC : under way (D. Linget, E. Legay, S. Leboutelier, X. Grave) Electronics housing : Spécial temperature Controlled rack

AP1 Infrastructure : ready Analogue electronics (48ch) and DAQ (Narval) ready Digital electronics : 10 TNT2 cards (Gabriela) are under tests at Strasbourg Commmissioning of the set-up with a real Agata detector Possible from April 2006 Orsay set-up : Ready to scan summer 2006 Summary

VME interface ACQ-CAMC __________________ CAMAC Analogique ___________________ TNT2 + trigger ___________________ HT et BT détecteur ___________________ ATCA AGATA (plus tard) PC-Linux ACQ __________________ PC table xy, Commande moteur __________________ LN2-Auto _

Status : future prospects Manque ACQ et é lectronique analogique TNT2 cards under tests at ires Ready in few weeks Commmissioning of the set-up with a real agata detector April 2006 Ready to scan summer 2006 Liste des gens

Collimated 137 Cs source ‘security’ trolley ‘ security’ lock down more ‘security’