J. Fent

Publication List Details

Period

1977 - 2008

Number

69

Co-Authors

The H1 Neural Network Trigger (2008)

Training Online Controlling, S. Udluft, J. Dichtl, M. Eberl, D. Ellga, J. Fent, ...

The neural network trigger operating as second level trigger in the H1 experiment at HERA consists of several pattern recognition modules, each performing the neural network calculations on dedicated...

f c World Scientific Publishing Company Artificial Neural Networks as a Level-2 Trigger for the H1 Experiment-Status of the Hardware Implementation- (2007)

D. Goldner, H. Getta, M. Kol, T. Kramerkamper, H. Kolanoski, J. Fent, ...

Triggering at the HERA ep collider is challenging because of the high bunch crossing rate and an expected large background. In the H1 experiment, a trigger decision is made in four steps (level 1-...

A Neural Network Architecture for the Second Level Trigger in the H1-Experiment at the Electron Proton Collider HERA (2007)

A. Gruber, J. Fent, W. Frochtenicht, D. Goldner, H. Kolanoski, C. Kiesling, ...

The H1--Experiment is a general purpose particle detector at the electron proton collider HERA. The typical collision rate is about 10 Hz, the background rate 100 kHz. The challenge for the...

1 (2007)

C. Kiesling, J. Dichtl, M. Eberl, D. Ellga, J. Fent, W. Frochtenicht, ...

At the HERA ep collider the H1 experiment is successfully operating a set of hardwired digital neural networks at the second trigger level. The latency of the network triggers, which are of the...

f c World Scientific Publishing Company Artificial Neural Networks as a Second-Level Trigger at the H1 Experiment- Performance Analysis and Results- (2007)

J. Mock, J. Fent, W. Frochtenicht, F. Gaede, A. Gruber, J. Huber, ...

At full luminosity the HERA ep-Collider produces a machine background which exceeds the rate of about 10 Hz for genuine ep-collisions by 5 orders of magnitude. The challenge of the multi-stage...

CERN/DRDC 93--32 RD-27 Status Report 11 August 1993 FIRST-LEVEL TRIGGER SYSTEMS FOR LHC EXPERIMENTS (2007)

Brawn Carney Ermoline, I. Brawn, R. E. Carney, Y. Ermoline, J. Garvey, D. Grant, ...

this report we describe the work that we have done so far, and propose a continued programme of work for the coming year

A Neural Network Second Level Trigger for the H1-Experiment at HERA (2007)

J. Fent, W. Fröchtenicht, F. Gaede, H. Getta, D. Goldner, A. Gruber, ...

At the HERA ep collider the expected machine background rates exceed by several orders of magnitude the typical collision rates from ep physics reactions. One of the great challenges for the ep...

CERN/DRDC 94--52 RD27 Status Report 9 January 1994 FIRST-LEVEL TRIGGER SYSTEMS FOR LHC EXPERIMENTS (2007)

Brawn Carney Ermoline, I. Brawn, R. E. Carney, Y. Ermoline, J. Garvey, D. Grant, ...

this document we report on the work that has been performed and propose a programme of R&D for the next 12 months. We discuss in turn the calorimeter, muon and central trigger processors, and...

Construction, assembly and testing of the ATLAS hadronic end-cap calorimeter (2007)

Gingrich, D M, Lachat, G, Pinfold, J L, Soukup, J, Axen, D, Cojocaru, C, ...

The construction and assembly of the four wheels of the ATLAS hadronic end-cap calorimeter and their insertion into the two end-cap cryostats are described. The results of the qualification tests...

Cold Electronics for the Liquid Argon Hadronic End-cap Calorimeter of ATLAS (2006)

Ban, J., Brettel, H., Cwienk, W. D., Fent, J., Kurchaninov, L., Ladygin, E., ...

This paper describes the on-detector electronics of the ATLAS hadronic end-cap calorimeter (HEC). The electronics is operated in liquid argon; therefore attention is paid to its performance at low...

Performance of the ATLAS Hadronic End-Cap Calorimeter in Beam Tests (2003)

Dowler, B, Pinfold, J L, Soukup, J, Vincter, M G, Cheplakov, A P, Datskov, V I, ...

Modules of the ATLAS liquid argon Hadronic End-cap calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6GeV

Performance of the ATLAS hadronic end-cap calorimeter in beam tests (2002)

Dowler,B., Pinfold,J., Soukup,J., Vincter,M., Cheplakov,A., Datskov,V., ...

Modules of the ATLAS liquid argon Hadronic End-cap Calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6

Performance of the ATLAS hadronic end-cap calorimeter in beam tests (2002)

Dowler, B., Pinfold, J., Soukup, J., Vincter, M., Cheplakov, A., Datskov, V., ...

Modules of the ATLAS liquid argon Hadronic End-cap Calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6

The H1 Neural Network Trigger Project (2000)

Kiesling Denby Fent, C. Kiesling, B. Denby, J. Fent, W. Frchtenicht, P. Garda, ...

We present a short overview of neuromorphic hardware and some of the physics projects making use of such devices. As a concrete example we describe an innovative project within the H1-Experiment at...

Upgrade of the H1 Liquid Argon Calorimeter Trigger (1999)

R. Maracek, R. Mara Cek, A. Babaev, H. Brettel, T. Carli, B. Dulny, ...

this paper we rstly introduce the H1 liquid argon calorimeter (LAr) and its trigger. Then we briey summarize the motivations for the upgrade of the LAr calorimeter trigger. The following two sections...

Electron Identification with a Prototype of the Transition Radiation Tracker for the ATLAS experiment (1998)

Åkesson, T, Antonov, A, Bondarenko, V, Bychkov, V, Carling, H, Commichau, V, ...

A prototype of the Transition Radiation Tracker (TRT) for the ATLAS detector at the LHC has been built and tested. The TRT is an array of straw tubes which integrate tracking and electron...

First-Level Trigger Systems For Lhc Experiments (1994)

I. Brawn, R.E. Carney, Y. Ermoline, J. Garvey, D. Grant, R. Harris, ...

this document we report on the work that has been performed and propose a programme of R&D for the next 12 months. We discuss in turn the calorimeter, muon and central trigger processors, and...

A CMOS readout system for very large detector capacitances (1990)

Fent, J., Hosticka, B.J., Oberlack, H., Schöneberg, U., Zimmer, G.

In this contribution we present readout electronics for a liquid-argon calorimeter. It has been designed and optimized for operation at cryogenic temperatures and it is integrated in an n-well 2...

CMOS readout electronics for operation at cryogenic temperatures (1988)

Fent, J., Hosticka, B.J., Oberlack, H., Schöneberg, U.

In this contribution we present a readout electronics for a liquid-argon calorimeter. It has been designed and optimized for operation at cryogenic temperatures and its integrated in an n-well...

The ALEPH minivertex detector. Section IV. Silicon detectors (1987)

Holl, P., Dietl, H., Lutz, G., Sedlmeir, J., Settles, R., Strüder, L., ...

Vertex detectors allow high precision reconstruction of particle tracks and therefore make possible the investigation of the decay topology of short-lived particles in collider experiments. In the...