MTE workshop 2010
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Europe/Zurich
874/1-011 (CERN)
Paul Collier
(CERN)
Description
o Review current beam status and issues
o Review current hardware issues
o Propose possible mitigation measures
o Define a strategy to have an operational MTE
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1
• Performance and reasons to stop normal operation with MTE • Issues encountered (controls, instrumentation, kickers) • Next steps • Requirements for completing the commissioning in 2010 (instrumentation, controls, OP support, time required in dedicated mode) • Optics of the extraction line • Impact of MTE-related studies on other operational beamsSpeaker: Dr Simone Gilardoni (CERN)
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2
• Stability issues • Required tools and instrumentationSpeaker: Dr Massimo Giovannozzi (CERN)
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10:35
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3
• Status of setting up after the first operational period • Things to be re-done • Status of the transfer line • Requirements for operation of Fixed-Target/CNGS with MTESpeaker: Rende Steerenberg (CERN)
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4
• Status of setting up after the first operational period • Things to be re-done • Status of the transfer line • Requirements for operation of Fixed-Target/CNGS with MTESpeaker: Karel Cornelis (CERN)
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5
• Status of ring (septum excluded) after MTE operation • Septum activation • TT10 hot spot • Linac 3 area • CT vs. MTE in terms of losses • Requirements for running with MTE • Long term requirements in case of MTE running: shielding on top of SMH16, barracks in the ring centerSpeaker: Markus Widorski (CERN)
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12:55
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6
• Check with new observation tools: PFWs, F8L, low-energy quads, sextupoles and octupoles • B-field fluctuationsSpeaker: Pierre Freyermuth (CERN)
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7
• Status of beam current transformers • TT2 couplers: what is needed to make them operational • Status of new wire scanners • Status of LHC BLMs: actual and expected performanceSpeaker: Mr Jean-Jacques GRAS (CERN AB-BDI)
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15:35
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8
Considerations on performance of extraction elements 874/1-011• Aperture and strength margins for SEH31 • Performance of BFAs – pedestal and staircases - (strength and PPM capabilities) • Aperture margins for SMH16 • Issues with MTE kickers (sparking). Fancy operation: change of polarities • Limitations in case of test for new extraction schemes in combination with CT operation • Performance of DFA in TT2 (ppm) • Spare policy of SMH16 with MTE • Spare policy of SEH31 with MTE hybridSpeaker: Luc Sermeus (CERN)
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9
New MTE extraction scheme to mitigate irradiation of SMH16 874/1-011• Principle • Required measurementsSpeaker: Dr Massimo Giovannozzi (CERN)
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