Status of TDR Present Status At present about

Status of TDR

Present Status – At present about 21 pages have been written (out of the foreseen ~35 pages) 60% done – We should have a final version by the next collaboration meeting (1921 Sept. ) so…. . time is VERY tight – In few sections some more discussion is needed (e. g. R&D). – At this meeting we should possibly address all the remaining issues for each subsection – For each subsection the person(s) in charge of it should: • briefly summarize the content • what is left to do (if something) • open issues to be discussed now so that each subsection can be finish by the end of NEXT WEEK – I invite all the involved people to do as much as they can to provide missing parts in final shape in the next week

• • x. 1 Physics Requirements and Performance Goals (3 -4) To be expanded -> Lesiak , Calabrese, Cibinetto • • • x. 2 Detector Overview x. 2. 1 The Absorber Structure -> Posocco, Benettoni • • x. 2. 2 The Active Detector -> Calabrese - active detector choice - general layout • • • x. 3 Backgrounds -> Santoro x. 3. 1 Main background sources ~ OK x. 3. 2 Background remediation x. 3. 3 Radiation doses on the IFR detector x. 4 Identification Performances -> Rotondo x. 4. 1 Muon Detection ~ OK x. 4. 2 KL Detection ~ OK (2) (1) To be done (3 -4) To be done (4) (3)

IFR TDR x. 5 Detector R&D -> Baldini, Cibinetto, Montanari x. 5. 1 Module Tests and Results (3) -module layout and light collection -photodetectors and electronics Still some work to do -module performances - effects of temperature variation -effects of neutron irradiation x. 5. 2 Prototype Test and Results (4 -5) - prototype layout -beam test setup -results: efficiency, time resolution, . . ~ OK -results: muon identification x. 6 Baseline Detector Design x. 6. 1 System Layout (4 -5) -> Cotta, Calabrese, Carassiti, Cibinetto -module concept ~ OK -barrel: number of active layers, channels, geometry -endcaps number of active layers, channels, geometry To be done

IFR TDR II • -> Carassiti, Baldini, Andreotti -module assembly procedure To be done -tooling for module assembly ~OK -module QC procedures x. 7 Front-End Electronics x. 7. 1 General Overview To be done • • • -> Cotta x. 7. 2 Photodetectors and PCBs • • -> Cotta, Kucewicz -Photodetector choice -Photodetector PCB -Optical coupling to fibers -Temperature requirements -Aging and background issues -Photodetector location done (3) x. 8 Final Assembly and Installation -> Benettoni, Carassiti To be done x. 9 ES&H issues x. 10 IFR group structure (1) x. 11 Cost and schedule + management e safety (3) To be done • • • x. 6. 2 Chamber Construction and Assembly Total 34 -39 pages (1 -2)