Light collection from scintillation counters using WLS fibers and bars

Evdokimov, V. N.

doi:10.1063/1.56976

Cited by 7 publications

(12 citation statements)

References 2 publications

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“…The counters are made from Bicron 404A scintillator with G2 fiber embedded in vertical grooves [92] in a manner similar to the cosmic bottom counters described above. The grooves are about 1.75" apart and run along the length of each counter from the edge to the middle.…”

Section: Aφ Scintillation Countersmentioning

confidence: 99%

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The upgraded DØ detector

Abazov¹,

Abbott²,

Abolins³

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

690

653

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The DØ experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements to the Tevatron and to enhance its physics capabilities. We describe the new elements of the detector, including the silicon microstrip tracker, central fiber tracker, solenoidal magnet, preshower detectors, forward muon detector, and forward proton detector. The uranium/liquid-argon calorimeters and central muon detector, remaining from Run I, are discussed briefly. We also present the associated electronics, triggering, and data acquisition systems, along with the design and implementation of software specific to DØ.

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Section: Aφ Scintillation Countersmentioning

confidence: 99%

“…The unpolished sides result in a larger number of photoelectrons and better uniformity than polished sides do and cost less [92]. The scintillator and WLS bars are wrapped in Tyvek for better light collection and black paper for light tightness.…”

Section: Trigger Scintillation Countersmentioning

confidence: 99%

The upgraded DØ detector

Abazov¹,

Abbott²,

Abolins³

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

690

653

View full text Add to dashboard Cite

show abstract

“…From measurements [15], we concluded that for the geometry of our counters, WLS bars give better light collection efficiency and allow a simpler construction procedure than WLS fibers. The design using WLS bars for light collection was chosen as the basic option for the large majority of the counters [18].…”

Section: Pixel Counter Design and Mountingmentioning

confidence: 99%

“…All four sides of the trapezoidal scintillator plate are machined but not polished. Our studies concluded that the less expensive unpolished design has better photoelectron yield and uniformity [15,18]. Two WLS bars, 4.2 mm thick and 12.7 mm wide, are placed along two edges of the scintillator plate with air gaps provided by narrow strips of adhesive tape attached to the scintillator plate as spacers.…”

Section: Pixel Counter Design and Mountingmentioning

confidence: 99%

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The muon system of the Run II DØdetector

Abazov

Acharya

Alexeev

et al. 2005

Nuclear Instruments and Methods in Physics Research Section A:

134

110

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We describe the design, construction and performance of the upgraded DØ muon system for Run II of the Fermilab Tevatron collider. Significant improvements have been made to the major subsystems of the DØ muon detector: trigger scintillation counters, tracking detectors, and electronics. The Run II central muon detector has a new scintillation counter system inside the iron toroid and an improved scintillation counter system outside the iron toroid. In the forward region, new scintillation counter and tracking systems have been installed. Extensive shielding has been added in the forward region. A large fraction of the muon system electronics is also new.

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The performance and long term stability of the D0 Run II forward muon scintillation counters

Bezzubov

Denisov

Evdokimov

et al. 2014

Nuclear Instruments and Methods in Physics Research Section A:

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The performance of the D0 experiment forward muon scintillation counters system during Run II of the Tevatron from 2001 to 2011 is described. The system consists of 4214 scintillation counters in six layers. The long term stability of the counters amplitude response determined using LED calibration system and muons produced in proton-antiproton collisions is presented. The averaged signal amplitude for counters of all layers has gradually decreased over ten years by 11%. The reference timing, determined using LED calibration, was stable within 0.26 ns. Averaged value of muon timing peak position was used for periodic D0 clock signal adjustments to compensate seasonal drift caused by temperature variations. Counters occupancy for different triggers in physics data collection runs and for minimum bias triggers are presented. The single muon yields versus time and the luminosity dependence of yields were stable for the forward muon system within 1% over 10 years.

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Light collection from scintillation counters using WLS fibers and bars

Cited by 7 publications

References 2 publications

The upgraded DØ detector

The upgraded DØ detector

The muon system of the Run II DØdetector

The performance and long term stability of the D0 Run II forward muon scintillation counters

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