V. Perera

Publication List Details

Period

1992 - 2008

Number

36

Co-Authors

Prototype Readout Module for the ATLAS Level-1 Calorimeter Trigger Processors (2008)

G. Anagnostou, P. Bright-thomas, J. Garvey, S. Hillier, G. Mahout, R. Staley, ...

The level-1 calorimeter trigger consists of three subsystems, namely the Preprocessor, electron/photon and tau/hadron Cluster Processor (CP), and Jet/Energy-sum Processor (JEP). The CP and JEP will...

Integration of the Trigger and Data Acquisition Systems in ATLAS (2008)

Abolins, M, Adragna, P, Aleksandrov, E, Aleksandrov, I, Amorim, A, Anderson, K, ...

During 2006 and the first half of 2007, the installation, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area have progressed. There have...

The RD27 Muon Trigger Co-incidence Array Demonstrator ASIC (2008)

R. Bindra, B. Claxton, J. Dowdell, A. Letchford, V. Perera, S. Quinton, ...

One aim of the RD27 project is to perform design and R&D work leading to a first level muon trigger for an experiment at the Large Hadron Collider (LHC) at CERN. This paper describes the design,...

The RD27 Muon Trigger Co-incidence Array Demonstrator ASIC (2007)

Bindra Claxton, R. Bindra, B. Claxton, J. Dowdell, A. Letchford, V. Perera, ...

One aim of the RD27 project is to perform design and R&D work leading to a first level muon trigger for an experiment at the Large Hadron Collider (LHC) at CERN. This paper describes the design,...

Bunch-Crossing Identification for the ATLAS First-Level Calorimeter Trigger (2007)

Brawn Carney, I. Brawn, R. Carney, J. Garvey, D. Rees, R. Staley, ...

As part of the design studies for the ATLAS first-level calorimeter trigger, we have been investigating the process of bunchcrossing identification (BCID). Various digital BCID algorithms have been...

The e/γ and τ/hadron Processor System for the ATLAS First-Level Trigger (2007)

V. Perera, J. Edwards, A. Gillman, R. Hatley, A. J. Maddox, ...

The e/g and t/hadron first-level trigger system for ATLAS will provide electron/photon and tau/hadron trigger multiplicity information to the Central Trigger Processor (CTP), and region of interest...

RD27 note 34 ATLAS Note DAQ--NO--30 17 January 1995 THE LEVEL-1 CALORIMETER TRIGGER SYSTEM (2007)

For Atlas Brawn, I. P. Brawn, R. E. Carney, J. Garvey, D. Rees, R. Staley, ...

We describe the design of a digital calorimeter trigger processor system which could form a major part of the ATLAS level-1 trigger system. Utilising novel techniques, but with today's...

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

Bunch-Crossing Identification for the ATLAS First-Level (2007)

Calorimeter Trigger Brawn, I. Brawn, R. Carney, J. Garvey, D. Rees, R. Staley, ...

As part of the design studies for the ATLAS first-level calorimeter trigger, we have been investigating the process of bunchcrossing identification (BCID). Various digital BCID algorithms have been...

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...

Expression of the htrB gene is essential for responsiveness of Salmonella typhimurium and Campylobacter jejuni to harsh environments (2007)

Phongsisay, V, Perera, V, Fry, B

In Campylobacter jejuni, an htrB homologous gene is located in the lipo-oligosaccharide synthesis gene cluster. This study examined the effects of htrB expression on the responsiveness of Salmonella...

Molecular mimicry in Campylobacter jejuni: role of the lipo-oligosaccharide core oligosaccharide in inducing anti-ganglioside antibodies (2007)

Perera, V, Nachamkin, I, Ung, H, Patterson, J, McConville, M, Coloe, P, ...

Campylobacter jejuni is recognized as the most common identifiable pathogen associated with the development of Guillain-Barre syndrome (GBS), an acute autoimmune-mediated disease affecting the...

Evaluation of eight RNA isolation methods for transcriptional analysis in Campylobacter jejuni (2007)

Phongsisay, V, Perera, V, Fry, B

DNA-free RNA samples are essential to investigate gene regulation using real-time RT-PCR. This study evaluated eight RNA isolation methods in combination with TURBO DNase treatment and acid phenol...

Testing on a Large Scale (2006)

Burckhart-Chromek, Doris, Abolins, M, Adragna, P, Albuquerque-Portes, M, Alexandrov, L, Amorim, A, ...

The ATLAS Data Acquisition (DAQ) and High Level Trigger (HLT) software system will be comprised initially of 2000 PC nodes which take part in the control, event readout, second level trigger and...

Testing on a Large Scale: Running the ATLAS Data Acquisition and High Level Trigger Software on 700 PC Nodes (2006)

Burckhart-Chromek, Doris, Abolins, M, Adragna, P, Alexandrov, L, Amorim, A, Armstrong, S, ...

The ATLAS Data Acquisition (DAQ) and High Level Trigger (HLT) software system will be comprised initially of 2000 PC nodes which take part in the control, event readout, second level trigger and...

Exchange of lipooligosaccharide synthesis genes creates potential Guillain-Barre syndrome-inducible strains of Campylobacter jejuni (2006)

Phongsisay, V, Perera, V, Fry, B

Human ganglioside-like structures, such as GM1, found on some Campylobacter jejuni strains have been linked to inducing the Guillain-Barre Syndrome (GBS). This study shows that a C jejuni strain...

A Demonstrator Programme For The Atlas Level-1 Calorimeter Trigger (1995)

I. P. Brawn, R.E. Carney, J. Garvey, D. Rees, R. Staley, P. Watkins, ...

This document describes work to demonstrate the feasibility of the level-1 trigger design presented in the ATLAS Technical Proposal. In the phase-I programme already completed, a prototype custom...

A first-level calorimeter trigger for the ATLAS experiment (1994)

Perera Edwards, V. Perera, J. Edwards, N. Gee, A. Gillman, R. Hatley, ...

In the RD27 collaboration we have carried out system studies on the implementation of the first level calorimeter trigger processor system for the ATLAS experiment to be mounted at the Large Hadron...

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 first-level calorimeter trigger for the ATLAS experiment (1994)

Perera Edwards Gee, V. Perera, J. Edwards, N. Gee, A. Gillman, R. Hatley, ...

In the RD27 collaboration we have carried out system studies on the implementation of a first level calorimeter trigger processor system for the ATLAS experiment. These system studies have led to the...

A first-level calorimeter trigger for the ATLAS experiment (1994)

Perera Edwards Gee, V. Perera, J. Edwards, N. Gee, A. Gillman, R. Hatley, ...

In the RD27 collaboration we have carried out system studies on the implementation of the first level calorimeter trigger processor system for the ATLAS experiment to be mounted at the Large Hadron...