Requirement Details
Electron Ion Collider
F-ESR-INST.02
Requirement details, history, relationships and interfaces associated with requirement F-ESR-INST.02
CURRENT RECORD- ARCHIVE RECORDS
- RELATIONSHIPS
- INTERFACES
| Record Date: 02/24/2025 18:26 | |||
| Identifier: | F-ESR-INST.02 | WBS: | 6.04.06 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Approved | |
| Description: | The ESR BPMs shall have turn-by-turn orbit measurement capability based on a single, remotely selectable bunch out of the fully filled bunch train to enable injection optimization. | ||
| Comments: | |||
| Record Date: 01/27/2025 16:43 | |||
| Identifier: | F-ESR-INST.2 | WBS: | 6.04.06 |
| Date Modified: | TBD: | FALSE | |
| Status Date: | Status: | Reviewed | |
| Description: | The BPMs shall have turn-by-turn orbit measurement capability based on a single, remotely selectable bunch out of the fully filled bunch train to enable injection optimization. | ||
| Comments: | |||
| Parents | |
| G-ESR.03 | The ESR shall provide electron bunches having the bunch parameters specified in the MPT. [Document#:EIC-SEG-RSI-005] |
| G-ESR.17 | The ESR shall have provisions made to accommodate a control system which can operate the ESR consistent will the overall control of the EIC and other EIC systems and to ensure the ESR meets all the Physics requirements needed to deliver the physics goals of the EIC. |
| Children | |
| P-ESR-INST-BPM-ELEC.01 | Beam position monitor shall have electronics with turn-by-turn capability |
| P-ESR-INST-BPM-ELEC.02 | The first 20 BPMs after injection shall be capable of measuring individual bunch positions to minimize betatron oscillations of the newly injected bunches. |
| P-ESR-INST-BPM-ELEC.03 | For 2 nC pilot bunches, single turn, the BPM measurement resolution shall be 100 um |
| P-ESR-INST-BPM-ELEC.04 | For 2 nC pilot bunches, single turn, the BPM maximum allowable drift shall be 50 um |
| P-ESR-INST-BPM-ELEC.05 | For 2 nC pilot bunches, 1,000 turns average, the BPM measurement resolution shall be 30 um |
| P-ESR-INST-BPM-ELEC.06 | For 2 nC pilot bunches, 1,000 turns average, the BPM maximum allowable drift shall be 30 um |
| P-ESR-INST-BPM-ELEC.07 | For newly injected refill bunches , with low charge (2nC bunches), in presence of stored beam, the measurement resolution shall be H=50 V=10 um |
| P-ESR-INST-BPM-ELEC.08 | For newly injected refill bunches , with low charge (2nC bunches), in presence of stored beam, the maximum allowable drift shall be 10 um |
| P-ESR-INST-BPM-ELEC.09 | For newly injected refill bunch - high charge (7-28 nC bunch range), in presence of stored beam, the measurement resolution shall be H=10 V=5 um |
| P-ESR-INST-BPM-ELEC.10 | For newly injected refill bunch - high charge (7-28 nC bunch range), in presence of stored beam, the maximum allowable drift shall be 5 um |
| P-ESR-INST-BPM-ELEC.11 | For stored beam, turn-by-turn - low charge(2 nC bunches),the measurement resolution shall be H=V=30 um |
| P-ESR-INST-BPM-ELEC.12 | For stored beam, turn-by-turn - low charge(2 nC bunches), the maximum allowable drift H=V=30 um |
| P-ESR-INST-BPM-ELEC.13 | For stored beam, turn-by-turn - high charge(7-28 nC bunch range), the measurement resolution shall be H=V=10 um |
| P-ESR-INST-BPM-ELEC.14 | For stored beam, turn-by-turn - high charge(7-28 nC bunch range), the maximum allowable drift shall be H=V=10 um |
| P-ESR-INST-BPM-ELEC.15 | For stored beam, 1,000 turns average, high charge(7-28 nC bunch range),the measurement resolution shall be H=V=5 um |
| P-ESR-INST-BPM-ELEC.16 | For stored beam, 1,000 turns average, high charge(7-28 nC bunch range),the maximum allowable drift shall be H=V=5 um |
| P-ESR-INST-BPM-ELEC.17 | For stored beam, 1 second average, high charge(7-28 nC bunch range), the measurement resolution shall be H=V=1 um |
| P-ESR-INST-BPM-ELEC.18 | For stored beam, 1 second average, high charge, 7-28 nC bunch range, the maximum allowable drift shall be H=V=1 um |
| P-ESR-INST-BPM-ELEC.19 | The BPM sum signals shall be used to measure bunch lifetime (1/e) during the 2.5 minute bunch duration |
| P-ESR-INST-BPM-PU.01 | There shall be Dual plane BPM pick-ups shall be located at all vertically focusing quads,and at all quadrupoles within about +/- 100 meters around IP6 |
| P-ESR-INST-BPM-PU.02 | There shall be NO BPMs at the horizontally focusing quadrupoles. |
| P-ESR-INST-BPM-PU.03 | No single plane BPMs are required for the ESR |
| P-ESR-INST-BPM-PU.04 | Special BPM pick-ups shall be located between the RF cavities in sector 10, for position resolution |
| P-ESR-INST-BPM-PU.05 | The total number of ESR BPM pick-ups shall be 220 BPMs |
| P-ESR-INST-BPM-PU.06 | The ESR BPM pick-ups shall be designed to provide the required measurement resolution over the range of H=+/- 10 V=+/- 5 mm |
| P-ESR-INST-BPM-PU.07 | No ESR BPM pick-ups shall be required to have an unusual range of position requirements. |
| P-ESR-INST-BPM-PU.08 | The BPM pick-up design shall ensure the simulated impedance is within the accepted overall ESR impedance budget. |
| P-ESR-INST-BPM-PU.09 | The BPM pick-up shall be designed to ensure the maximim temperatures of the components (due to heating by the beam) are acceptable for reliability and operations, using thermal simulation software. |
| P-ESR-INST-BPM-PU.10 | The BPM pick-ups shall be designed to be baked to 250 °C for a sufficiently large number of thermal cycles. |
| P-ESR-INST-BPM-PU.12 | The relative alignment of the BPMs and neighboring quads, after BBA shall be <20 µm |
| P-ESR-INST-BPM-PU.11 | The BPM pick-up installation mechanical misalignment tolerance shall be same as for the quadrupoles. 100 µm |
| P-ESR-INST-BPM-PU.13 | The BPM pick-up operational misalignement tolerance variations due to thermal cycling of the ESR shall be <20 µm |
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