activity report from caf group
DESCRIPTION
Activity report from CAF group. Marcello , Davide , Pigi , Camilo , Salvatore, Orso , David, Silvia, Georgi , Anna, Haiyun. CAF strategy. What kind of data do we have ? Minimum Bias (low P T muon mostly from secondary vertex) Beam Halo (horizontal muon tracks) Cosmic - PowerPoint PPT PresentationTRANSCRIPT
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Activity report from CAF group
Marcello, Davide, Pigi, Camilo, Salvatore, Orso, David, Silvia, Georgi, Anna, Haiyun
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CAF strategy• What kind of data do we have ?– Minimum Bias (low PT muon mostly from secondary vertex)
– Beam Halo (horizontal muon tracks)– Cosmic
• What we can study with those events ?– Noise and occupancy– Endcap efficiency
• EVENT SELECTION• STUDIES
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What we are doing now ?
• Beam Halo selection– Trigger based (Salvatore) ready– CSC segment based (Haiyun) almost ready
• Minimum Bias selection– RPC rechits + tracker tracks (Orso)
• Detector Studies– RecHits distributions with MB and Cosmic (Orso)– CSC/RPC correlation (Camillo, Haiyun, Georgi)– Efficiency with beam halo events (Camillo)
• Trigger Studies: CSC versus RPC (Maciek)
• Noise (Silvia, David and shifter)
• BX distribution (Anna and Pigi)
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Beam Splashes
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"noisy strip" state:strip occupancy 3.5 times greater than average occupancy (from roll occupancy histogram)"noisy chamber”: average multiplicity > 6
Noise History from DQM(David Lomidze)
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Historical DQM is on the way
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CSC – RPC correlations(Camillo & Pigi)
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BX distribution - splashes
Roll: RE+2_R3_CH02_CRoll: RE+2_R3_CH20_BRoll: RE+2_R3_CH20_CRoll: RE+2_R3_CH03_CRoll: RE+2_R3_CH21_CRoll: RE+2_R2_CH22_CRoll: RE+2_R2_CH29_BRoll: RE+2_R2_CH29_CRoll: RE+3_R2_CH20_ARoll: RE+3_R2_CH15_BRoll: RE+3_R2_CH16_BRoll: RE+3_R3_CH06_BRoll: RE+3_R3_CH06_CRoll: RE+3_R3_CH36_BRoll: RE+3_R3_CH36_C
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Bunch crossing studiesfrom DQM(Anna C. & Pigi)
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Minimum Bias muon
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Minimum Bias muon
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