Talks and Papers for Conferences
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Experience with the First Level Trigger of H1
F. Sefkow et al., 1994 Nuclear Science Symposium, Norfolk, Virginia, USA, October 1994.
IEEE Trans. Nucl. Sci., Vol 42, No. 4 (1995) 900
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Concept, Design and Performance of the Second Level Triggers of the H1
Detector
T. Nicholls et al., IEEE 1997 Nuclear Science Symposium, Albuquerque, New Mexico, USA, November 1997.
IEEE Trans. Nucl. Sci., Vol 45, No. 3 (1998) 810
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A General Scheme for Optimization of Trigger Rates in an Experiment with
Limited Bandwidth
H.C. Schultz-Coulon et al., IEEE 1998 Nuclear Science Symposium, Toronto, Canada, November 1998.
IEEE Trans. Nucl. Sci., Vol 46 (1999) 915
- The Fourth Level Trigger Scheme of the H1 Collaboration at HERA;
Practical Performance and Future Prospects
A. Campbell et al., at CHEP 1998, Chicago
Only transparencies available; send mail to: Vincent Lemaitre
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Papers in Physics or Instrumentation Journals
- The H1-Detector at HERA
Nuclear Instruments and Methods (in two parts: A 386 1997, pages 310-347 and 348-396)
- Chapter5: Trigger
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- Fig. 12
(Fig 8.1)
ps-file [1292 k]
- a) z- vertex reconstruction by building a
histogram, which didplays a peak
at the true vertex location.
- b) Block diagram of the z- vertex trigger.
- Fig. 13
(Fig 8.2)
ps-file [655 k]
- Block diagram of the drift chamber trigger.
- Fig. 14
(Fig 8.3)
ps-file [825 k]
- Block diagram of the liquid argon calorimeter
trigger.
- Fig. 15
(Fig 8.4)
ps-file [612 k]
- Cross section through the plane of the liquid
argon calorimeter showing the
pointing geometry of the trigger big towers.
- Fig. 16
(Fig 8.5)
ps-file [468 k]
- BEMC single electron trigger efficiency for
thresholds CL1 and CL2.
- Fig. 17
(Fig 8.6)
ps-file [689 k]
- Principle of track recognition in the forward muon
trigger.
- Fig. 18
(Fig 8.7)
ps-file [493 k]
- The frontend response time as a function of the instantaneous input
frequency
(1/time between consecutive events).
- Realization of a Second Level Neuronal Network Trigger
of the H1 Experiment at HERA
J. Koehne et al.,
Proceedings of AIHENP, Lausanne, World Scientific, 1996
- A RISC Multiprocessor Event Trigger for the Data Acquisiton
System of the H1 Experiment at HERA
A. Campbell,
IEEE Trans. Nucl. Sci., Vol 39 (1992) 255
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