A Data Acquisition Middleware

Yasu, Y.; Nakayoshi, K.; Inoue, Eiji; Sendai, Hiroshi; Fujii, Hiroyuki; Ando, Noriaki; Kotoku, Tetsuo; Hirano, Satoshi; Kubota, Takafumi; Ohkawa, Takenao

doi:10.1109/rtc.2007.4382850

Cited by 16 publications

(5 citation statements)

References 2 publications

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“…The timing and charge of wire hits were measured by RECBE and recorded by a data-acquisition computer using DAQ Middleware [14]. The event trigger was issued by a coincidence of signals from the two trigger counters.…”

Section: Methodsmentioning

confidence: 99%

Test of a small prototype of the COMET cylindrical drift chamber

Wu,

Wong,

Kuno

et al. 2021

Preprint

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The performance of a small prototype of a cylindrical drift chamber (CDC) used in the COMET Phase-I experiment was studied by using an electron beam.The prototype chamber was constructed with alternating all-stereo wire configuration and operated with the He−iC 4 H 10 (90/10) gas mixture without a magnetic field. The drift space-time relation, drift velocity, dE/dx resolution, hit efficiency, and spatial resolution as a function of distance from the wire were investigated. The average spatial resolution of 150 µm with the hit efficiency of 99 % was obtained at applied voltages higher than 1800 V. We have demonstrated that the design and gas mixture of the prototype match the operation of the COMET CDC.

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Section: Methodsmentioning

confidence: 99%

Test of a small prototype of the COMET cylindrical drift chamber

Wu,

Wong,

Kuno

et al. 2021

Preprint

View full text Add to dashboard Cite

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“…The data acquisition (DAQ) system is constructed based on DAQ-Middleware [9,10], which is a software framework for network distributed DAQ software. The framework consists of DAQ-Components and a DAQ-Operator.…”

Section: Data Acquisition Systemmentioning

confidence: 99%

Performance evaluation of a silicon strip detector for positrons/electrons from a pulsed a muon beam

Aoyagi¹,

Honda²,

Ikeda³

et al. 2020

J. Inst.

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Many experiments to study fundamental physics using this high-intensity muon beam are proposed. An experiment to measure the muon magnetic moment anomaly (g − 2) and the muon electric dipole moment (EDM) is one of these experiments and it requires a tracking detector for positrons from muon decay. Fine segmentation is required in a detector to tolerate the high rate of positrons. The time resolution is required to be much better than the muon anomalous spin precession period while a buffer depth of a front-end electronics needs to be much longer than the accelerated muon lifetime. Requirements of this detector also meet requirements of a measurement of the muonium hyperfine structure interval at the J-PARC and another experiment to measure the proton charge radius at Tohoku University. We have developed a single-sided silicon strip sensor with a 190 µm pitch, a front-end electronics with a sampling rate of 200 MHz and a buffer memory depth of 8192, and a data acquisition system based on DAQ-Middleware for the J-PARC muon g − 2/EDM experiment. We have fabricated detector modules consisting of this sensor and the front-end electronics. Performance of fabricated detector modules was evaluated at a laboratory and a beam test using the positron beam at Tohoku University. The detector is confirmed to satisfy all requirements of the experiments except for the time walk, which will be solved by the next version of a front-end electronics.

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“…The UI PC serves for user operation on measurement (start/stop or change instrumental configuration) and for displaying the two-dimensional SANS image after histogramming. DAQ-Middleware (Yasu et al, 2006(Yasu et al, , 2007Nakayoshi et al, 2009Nakayoshi et al, , 2010, which was modified from RT-Middleware (Ando et al, 2005), provides a common frame composed of commonly used functions, referred to as 'DAQ-Components', in order to support event data acquisition and save efforts for software developments. DAQ-Middleware is commonly used research papers Photograph of the detector and electronics chambers viewed from the backward side.…”

Section: Data Processing Softwarementioning

confidence: 99%

Multi-tube area detector developed for reactor small-angle neutron scattering spectrometer SANS-J-II

2016

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A newly developed multi‐tube area detector for a small‐angle neutron scattering (SANS) spectrometer (SANS‐J‐II) at the research reactor JRR‐3 in Tokai, Japan, has been implemented via the use of one‐dimensional position‐sensitive 3He detectors (tubes). Ninety‐six active tubes of 8 mm in diameter and 650 and 580 mm in length were filled with 15 atm (1.52 MPa) of 3He and aligned vertically parallel in order to cover a sufficiently large area for small‐angle scattering measurement. These tubes are enclosed in an air chamber together with neutron encode and GATENET modules (VME boards), which compose a standard data acquisition system for the spallation neutron source of the Japan Proton Accelerator Research Complex. This system facilitates the acquisition of time‐of‐flight neutron event data. The multi‐tube detector is mounted on a truck moving in a vacuum chamber of the SANS spectrometer. After discriminating noise originating from γ‐rays, and calibrating the positions and sensitivities of individual tubes, the resolution was determined (i.e. channel widths along parallel and vertical directions along a tube). The counting rate of one tube was determined to be 1.4 × 103 counts per second with a counting loss of 1%. This implies that the new detector, composed of 96 tubes, can detect more than 105 neutrons per second with a counting loss of 1%. To demonstrate its use, small‐angle scattering originating from a diblock copolymer film with a highly oriented lamellar microdomain was observed. The data acquisition in event mode has a great advantage in time‐resolved measurements that are synchronized with external stimuli imposed on a sample.

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A Data Acquisition Middleware

Cited by 16 publications

References 2 publications

Test of a small prototype of the COMET cylindrical drift chamber

Test of a small prototype of the COMET cylindrical drift chamber

Performance evaluation of a silicon strip detector for positrons/electrons from a pulsed a muon beam

Multi-tube area detector developed for reactor small-angle neutron scattering spectrometer SANS-J-II

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