... Version 04.02.04
Program of the BLM internal review:
a. Quench and damage prevention/protection, criticality of detectors
b. Loss levels
c. Response time
d. Protons/Ions (different loss location, different fluence)
e. Dynamic range of currents
f. Response time
a. setting scope of requirements
b. failure scenario
c. false dump
d. discussion of present system (redundancy)
e. installation of system, monitoring/test of system, maintenance
a. ARC, straight sections (except collimation)
i. Shower amplitude
ii. Shower length and variation
iii. Shower locations and variation
iv. Particle momentum direction in theta and phi
v. Particle species
vi. energy distribution of particles at the location of the detectors
b. Same list for collimation.
c. Other special locations (triplet)
a. tunnel location limitations, lateral, longitudinal
b. ionisation chamber and SEM design
i. dimensions, diameter, length, materials, mounting
ii. treatment, cleaning................................... (E.B. Holzer)
iii. SPS measurements on installed chambers, gain variation.................................................. (M. Hodgson)
iv. gain variation on test in H6, BOOSTER. (G. Ferioli, not presented)
v. tests on new prototypes (M. Hodgson, see talk: SPS …)
a. racks
i. below quad
ii. in RR, UA,UJ
iii. dump lines
b. cabling
i. different layouts
ii. signals distribution
iii. noise consideration
iv. ground loops
c. surface installations
d. installation procedure
i. schedule
ii. procedure
iii. man power
a. BLM_CFC (SPS PCB)
i. General description
ii. Input currents (high voltage protection)
iii. Dark currents
iv. Radiation issues.......................................... (G. Guaglio)
v. Variation with temperature (humidity, dust)............. (E. Effinger)
vi. Component variation
b. CFC test procedures
i. Test in between of two fills........................ (G. Guaglio)
ii. Test of PCB during development phase .... (to be done)
c. CFC
digital part................................................. (C.
Zamantzas)
i. CRC-32
ii. Format of frame
iii. Counters/multiplexers
iv. ADC data registers
d. LASER transmission
i. Discussion on options (slow, fast transmission)........ (C. Zamantzas)
ii. Laser issues (types, radiation).................... (G. Guaglio)
a. General description of DAB board....................... (J. Gonzalez)
i. DAB card features
ii. Differences between BPM and BLM implementation (SRAM, price)
iii. Test procedures
iv. Schedule for ordering, testing, production
b.
BLM implementation......................................... (
i. Approximation of dump levels................... (G. Guaglio)
ii. 16 channels
iii. 64 energy levels, 12 running sums, memory
iv. unique threshold table, update of thresholds
v. energy inputs, beam status input
vi. time stamp
vii. logging, warning levels
viii. post mortem
ix. identification of cards (card ID, position identification)
a. functionality
b. dump signal collection and transmission to interlock controller (BIC)
c. beam energy input and distribution in crate
d. beam permit input and distribution in crate
e. collection of status of crate and HV power converter status
a.
Steady proton loss rates and quench levels
b.
Simulation:
i. Influence
of magnetic field on secondary particle distribution
ii. Angular
distribution of secondaries
c.
History ISR and SPS BLM chambers
d.
Longitudinal loss positions
e.
Electron and ion signal (parallel and coaxial
geometry):
i. Shape
ii. Speed
iii. Magnitude