Entry Conditions of Phase A.3:

 

Entry condition (all priority 1 unless indicated otherwise)

E.A.3.1

 Beam & (nominal) optics requirements

.01

Beam circulating, captured, intensity: LHC pilot (no emittance requirement)

.02

Injection optics loaded: 11 m b* in IP1/5 and 10 m b* in IP2/8 ; no crossing angle, no separation

.03

Commissioning tunes (64.285, 59.385)

.04
 Lifetime: seconds to minutes

 E.A.3.2

 Sequence: Circulate & Dump

 E.A.3.3

 RF

.01

Phase & synchro loop commissioned, signals available in CCC (OASIS)

.02

Cavity controller loops commissioned

.03

 Transverse damper available - BPMCs - controls - ready for testing transverse feedback

.04

Radial pick-up available, loop to be commissioned

.05

Radial modulation available (required for continuous chromaticity measurement)

.06

Injection bucket error application

.07

Mountain range application available for CCC -> plus fit for longitudinal beam size

.08

Injection bucket distribution via timing system verified and acquisition at RF, possible to inject in any chosen bucket

.09

 Injection bucket selector controllable from CCC

 E.A.3.4

 Beam dumping system

.01

Logging configuration established, logging process tested

.02

Direct BLM: readout

.03

BTVs in dump line: hardware, front-ends, application, acquisition verified in CCC

.04

BLMs in dump line: thresholds configuration, front-end, application, communication/concentration verified in CCC

.05

 BPMs in dump line: acquisition chain verified in CCC, concentration 

.06

 TDE diagnostics to be monitored CCC: application/ fixdisplay

.07

 Vacuum in dump line: monitoring in CCC

.08

FBCT in dump line: application

.09

 XPOC GUI and analysis package available

.10

 Inject & dump and circulate & dump hardware tested and verified without beam

.11

 Link to injections commissioned without beam: abort gap watch dog

 E.A.3.5

 MKQ hardware commissioned, available from the control room (multiturn application,...)

 E.A.3.6

 Passive protection, moveable absorbers, collimators

.01

TCDQs, TCSGs (collimators in point 6), TDIs and TCDDs available, moveable from the CCC via high-level software

.02

Absorber/collimator movement calibrated

.03

(TCDIs in or out - those downstream of the last TEDs in the TLs, beam commissioning not yet required)

.04
 TCDD in IR2 moveable from the control room

.05

Interlock commissioning of moveable protection devices involved with injection and beam dumping done

.06

TCDQ, TCSG, TDI masked (if SBF not commissioned yet, force unsafe! Set intensity interlock in the SPS)

.07

Other collimators verified out

 E.A.3.7

 Beam Instrumentation

.01

 BCTDC ready for beam commissioning - acquisition chain - application/fixdisplay

.02

 BCTFR ready for commissioning in circulating beam mode
.03
 BQK ready for beam commissioning - acquisition from the control room - tune meter

.04

 Abort gap monitor (BSRA) ready for beam commissioning - acquisition chain - application/fixdisplay

.05

 Wire scanner ready for beam commissioning - acquisition chain/control - application

.06

 Synchrotron light monitor and undulator ready for beam commissioning - acquisition chain/control - application/fixdisplay

.07

 Priority 2: Rest gas ionisation monitor ready for beam commissioning - acquisition chain/control - application

.08

 All screens out!

.09

 BBQ ready for beam commissioning - acquisition chain/control

.10

 PLL ready for beam commissioning - control - tune measurement application

.11

 Tune, orbit, coupling feedbacks - controls requirements fullfilled, ready for testing - application

 

 

 

Entry condition (all priority 1 unless indicated otherwise) - continued

.12

Concentration for BPMs for bunch-by-bunch multiturn data fully available

E.A.3.8

 Applications & Controls

.01

 Convention applied: bunches in bucket 1 for ring 1 and ring 2 collide at IP1

.02

 Supercycle in the SPS such that can rapidly switch between rings

.03

 "SDA" -type (sequenced data acquisition) logging available for XPOC data

.04

 Basic post mortem analysis tool (for browsing post mortem data, correlations)

.05

 LHC sequencer: recoupling permit loops, read-back of critical settings, timing tables for injection two  pilot bunches per ring (25 ns slot 1 and 2808) (inject & dump, circulating & dump), sequence ready for cycling machine, sequences established and tested without beam for inject & dump and circulate & dump (n turns)

.06

Critical settings created for relevant equipment/system (XPOC reference, BLMs, passive protection, commissioned equipment in injection interlock chain)

.07

Lifetime fixed display

.08

Multiturn application: synchronised excitation with MKQ and acquisition of BPM data