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SUMMARY:CMD-3 detector DAQ upgrade
DTSTART;VALUE=DATE-TIME:20140228T104000Z
DTEND;VALUE=DATE-TIME:20140228T110000Z
DTSTAMP;VALUE=DATE-TIME:20260510T114532Z
UID:indico-contribution-81@indico.inp.nsk.su
DESCRIPTION:Speakers: Alexander Ruban (BINP SB RAS)\nThe BINP VEPP2000 e
 ⁺e⁻ collider is under upgrade now. The new particle injection system w
 ill increase the collider's luminosity in order of magnitude. This article
  is devoted to how the CMD-3 detector DAQ works and how it to be upgraded 
 to accept a higher luminosity.\nNow the CMD-3 detector DAQ named TOMA is a
 lready at physical data taking for few years. It operates with 12.5 MHz bu
 nch crossing rate producing up to 700 Mbps data stream at input of 3-rd le
 vel trigger. DAQ hardware is based on distributed serial link backplane. T
 he main feature of TOMA DAQ is the flat model both of architecture and of 
 synchronization. It allows stable data taking operation still new digitizi
 ng boards are added and new features are activated.\nThe mainstream upgrad
 e plan is to preserve flat model while expand using of standard inexpensiv
 e networking hardware to increase TOMA DAQ throughout output performance u
 p to 10 Gbps of physical data. The next step is to design the DAQ built-in
  computer cluster based on inexpensive small form factor PC motherboards. 
 Due to high parallelism of process it will allows affective on-line data r
 ate compressing to preserve server power requirements.\n\nhttps://indico.i
 np.nsk.su/event/0/contributions/81/
LOCATION:
URL:https://indico.inp.nsk.su/event/0/contributions/81/
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