The D0 transition radiation detector

Detoeuf, J. F.; Ducros, Y.; Feinstein, F.; Hubbard, John R.; Mangeot, Philippe; Mansoulié, B.; Teiger, J.; Zylberstejn, A.

doi:10.1016/0168-9002(88)91067-4

Cited by 32 publications

(12 citation statements)

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“…We note that our measurements established for the first time [19,2] the expected time evolution of the signal in this type of drift chambers. It is possible that earlier measurements [20,21,14], showing a decreasing value of the average signal in the drift region, suffered from space charge effects within a single track, due to the normal incidence used. For electrons, the contribution of transition radiation (TR), which is absorbed preferentially at the entrance of the drift chamber and is registered superposed on dE/dx, results in the strong rise of the average signal towards the end of the drift time.…”

Section: Resultsmentioning

confidence: 99%

Space charge in drift chambers operated with the Xe,CO2(15%) mixture

Andronic

Appelshäuser

Blume

et al. 2004

Nuclear Instruments and Methods in Physics Research Section A:

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Using prototype modules of the ALICE Transition Radiation Detector we investigate space charge effects and the dependence of the pion rejection performance on the incident angle of the ionizing particle. The average pulse height distributions in the drift chambers operated with the Xe,CO2(15%) mixture provide quantitative information on the gas gain reduction due to space charge accumulating during the drift of the primary ionization. Our results demonstrate that the pion rejection performance of a TRD is better for tracks which are not at normal incidence to the anode wires. We present detailed simulations of detector signals, which reproduce the measurements and lend strong support to our interpretation of the measurements in terms of space charge effects.Comment: 18 pages, 10 figures, accepted for publication in Nucl.Instrum.Meth. A. Data files available at http://www-alice.gsi.de/tr

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Section: Resultsmentioning

confidence: 99%

Space charge in drift chambers operated with the Xe,CO2(15%) mixture

Andronic

Appelshäuser

Blume

et al. 2004

Nuclear Instruments and Methods in Physics Research Section A:

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“…Pulse height distributions as function of drift time were measured in other experiments [7], [8], [9], [10], however, the observed trends were somewhat different. A decrease of the pulse height as function of drift time was observed and it was attributed to electron attachment [10].…”

Section: B Beam Testsmentioning

confidence: 99%

“…A decrease of the pulse height as function of drift time was observed and it was attributed to electron attachment [10]. Average relative electron/pion pulse height as function of the drift zone for various radiators of two thicknesses (see Table I) for the momentum of 1 GeV/c.…”

Section: B Beam Testsmentioning

confidence: 99%

Prototype tests for the ALICE TRD

Andronic

Blume

Braun‐Munzinger

et al. 2001

IEEE Trans. Nucl. Sci.

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Abstract-A Transition Radiation Detector (TRD) has been designed to improve the electron identification and trigger capability of the ALICE experiment at the Large Hadron Collider (LHC) at CERN. We present results from tests of a prototype of the TRD concerning pion rejection for different methods of analysis over a momentum range from 0.7 to 2 GeV/c. We investigate the performance of different radiator types, composed of foils, fibres and foams.

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“…The Transition Radiation Detector [7] provides additional rejection of plons in the identification of central electrons. It has three cylindrical layers, each layer consisting of a set of polypropylene foils at the inner radius, and a radial drift X-ray detector at the outer radius.…”

Section: Figure H the Do Detectormentioning

confidence: 99%

The DO̸ experiment at the Fermilab tevatron collider

Snow¹

1993

AIP Conference Proceedings

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The D~ Experiment is a new, large multipurpose experiment at the Tevatron Proton-Antiproton CoKider at the Fermi National Accelerator Laboratory. The D~ detector is described. From the analyds of data taken during August-October, 1992, a selection of preliminary physics results will be given on inclusive jet production, direct photon production, and the production and decay properties of the W and Z bosons. The search for the top quark in the dilepton and lepton + jets channels is also discussed.

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The D0 transition radiation detector

Cited by 32 publications

References 0 publications

Space charge in drift chambers operated with the Xe,CO2(15%) mixture

Space charge in drift chambers operated with the Xe,CO2(15%) mixture

Prototype tests for the ALICE TRD

The DO̸ experiment at the Fermilab tevatron collider

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