E. Jastrzembski

SAMPA Based Streaming Readout Data Acquisition Prototype

E. Jastrzembski, D. Abbott, J. Gu, V. Gyurjyan et autres

We have assembled a small-scale streaming data acquisition system based on the SAMPA front-end ASIC. We report on measurements performed on the SAMPA chip and preliminary cosmic ray data acquired from a Gas Electron Multiplier (GEM) detector read out using the SAMPA.

SAMPA Based Streaming Readout Data Acquisition Prototype

D. Abbott, Jianhui W. Gu, V. Gyurjyan, W.G. Heyes et autres

We have assembled a small-scale streaming data acquisition system based on the SAMPA front-end ASIC. The 32-channel SAMPA chip was designed for the high-luminosity upgrade of the ALICE Time Projection Chamber (TPC) detector at the CERN Large Hadron Collider. The goals of …

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The CLAS12 Data Acquisition System

S.V. Boyarinov, B. Raydo, C. Cuevas, C. Dickover et autres

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Design of the Trigger Interface and Distribution Board for TJNAF 12 GeV Upgrade

Jianhui W. Gu, D. Abbott, R. C. Cuevas, Hai Dong et autres

The design of the Trigger Interface and Distribution (TID) board for the 12 GeV Upgrade at Thomas Jefferson National Accelerator Facility (TJNAF) is described. The TID board distributes a low jitter system clock, synchronized trigger, and synchronized multi-purpose SYNC signal. The TID …

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Design of the Trigger Interface and Distribution board for CEBAF 12 GeV Upgrade

J. Gu, D. Abbott, C. Cuevas, H. Dong et autres

The design of the Trigger Interface and Distribution (TID) [1] board for the 12 GeV Upgrade [2] at the Continues Electron Beam Accelerator Facility (CEBAF) in TJNAL is described. The TID board distributes a low jitter system clock, synchronized trigger, and synchronized …

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Design of the Trigger Interface and Distribution Board for CEBAF 12 GeV Upgrade

Jianhui Gu, Hai Dong, Rubén Cuevas, V. Gyurjyan et autres

The design of the Trigger Interface and Distribution (TID) board for the 12 GeV Upgrade at the Continuous Electron Beam Accelerator Facility (CEBAF) at TJNAL is described. The TID board distributes a low jitter system clock, synchronized trigger, and synchronized multi-purpose SYNC …

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A 72 channel 125 MSPS analog-to-digital converter module for drift chamber readout for the GlueX detector

G. Visser, Duncan Abbot, Fernando Barbosa, C. Cuevas et autres

We have developed a very high channel density custom A/D converter module for the drift chamber readout requirements of the Glue-X detector at Jefferson Lab Hall-D. This 6U VME64× module has 72 channels, including a low noise differential line receiver, cable frequency …

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A 250 MHz Level 1 Trigger and Distribution System for the GlueX experiment

D. Abbott, C. Cuevas, D. Doughty, E. Jastrzembski et autres

The GlueX detector now under construction at Jefferson Lab will search for exotic mesons though photoproduction (10^8 tagged photons per second) on a liquid hydrogen target. A Level 1 hardware trigger design is being developed to reduce total electromagnetic (>200 MHz) and …

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Implementation of a level 1 trigger system using high speed serial (VXS) techniques for the 12GeV high luminosity experimental programs at Thomas Jefferson National Accelerator Facility

C. Cuevas, B. Raydo, H. Dong, Amit Kumar Gupta et autres

We will demonstrate a hardware and firmware solution for a complete fully pipelined multi-crate trigger system that takes advantage of the elegant high speed VXS serial extensions for VME. This trigger system includes three sections starting with the front end crate trigger …

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CMSG - A PUBLISH/SUBSCRIBE INTERPROCESS COMMUNICATION PACKAGE

E. Wolin, C. Timmer, V. Gyurjyan, W.G. Heyes et autres

Publish/subscribe message passing is an extremely simple, flexible, and powerful interprocess communication (IPC) paradigm. It is widely used in industry, but not nearly so in High Energy and Nuclear Physics (HENP), perhaps due to the cost of commercial implementations. cMsg, developed at …

AFECS. multi-agent framework for experiment control systems

V. Gyurjyan, D. Abbott, W.G. Heyes, E. Jastrzembski et autres

AFECS is a pure Java based software framework for designing and implementing distributed control systems. AFECS creates a control system environment as a collection of software agents behaving as finite state machines. These agents can represent real entities, such as hardware devices, …

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cMsg - A general purpose, publish-subscribe, interprocess communication implementation and framework

C. Timmer, D. Abbott, V. Gyurjyan, W.G. Heyes et autres

cMsg is software used to send and receive messages in the Jefferson Lab online and runcontrol systems. It was created to replace the several IPC software packages in use with a single API. cMsg is asynchronous in nature, running a callback for …