The Belle Silicon Vertex Detector

H. Ishino

doi:10.1016/j.nima.2005.04.018

The Belle Silicon Vertex Detector

H. Ishino

Research output: Contribution to journal › Conference article › peer-review

3 Citations (Scopus)

Abstract

The Belle Silicon Vertex Detector (SVD) was designed to measure B meson decay positions precisely for studies of time-dependent CP violation. Although the first version of SVD (SVD1) worked for 4 years from 1999 with excellent performance, its insufficient radiation hardness drove us to build a second generation SVD (SVD2). The SVD2 was installed in Belle in the summer of 2003 and has been working well. The strip yield is estimated to be more than 95%. The signal-to-noise ratios are obtained to be 18-36, depending on detector ladders. The intrinsic spatial resolutions are obtained to be 12.0±0.4 and 22.3±0.8μm for φ- and z-sides, where z-side measures positions along the beam direction and φ side is used for the azimuthal angle measurement. In this letter, an overview and performance results are provided for both generations of the Belle SVD.

Original language	English
Pages (from-to)	16-19
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	549
Issue number	1-3
DOIs	https://doi.org/10.1016/j.nima.2005.04.018
Publication status	Published - Sep 1 2005
Externally published	Yes
Event	VERTEX 2003 - Duration: Sep 14 2003 → Sep 19 2003

Keywords

Belle
KEKB
Silicon vertex detector

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2005.04.018

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title = "The Belle Silicon Vertex Detector",

abstract = "The Belle Silicon Vertex Detector (SVD) was designed to measure B meson decay positions precisely for studies of time-dependent CP violation. Although the first version of SVD (SVD1) worked for 4 years from 1999 with excellent performance, its insufficient radiation hardness drove us to build a second generation SVD (SVD2). The SVD2 was installed in Belle in the summer of 2003 and has been working well. The strip yield is estimated to be more than 95%. The signal-to-noise ratios are obtained to be 18-36, depending on detector ladders. The intrinsic spatial resolutions are obtained to be 12.0±0.4 and 22.3±0.8μm for φ- and z-sides, where z-side measures positions along the beam direction and φ side is used for the azimuthal angle measurement. In this letter, an overview and performance results are provided for both generations of the Belle SVD.",

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AU - Ishino, H.

PY - 2005/9/1

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N2 - The Belle Silicon Vertex Detector (SVD) was designed to measure B meson decay positions precisely for studies of time-dependent CP violation. Although the first version of SVD (SVD1) worked for 4 years from 1999 with excellent performance, its insufficient radiation hardness drove us to build a second generation SVD (SVD2). The SVD2 was installed in Belle in the summer of 2003 and has been working well. The strip yield is estimated to be more than 95%. The signal-to-noise ratios are obtained to be 18-36, depending on detector ladders. The intrinsic spatial resolutions are obtained to be 12.0±0.4 and 22.3±0.8μm for φ- and z-sides, where z-side measures positions along the beam direction and φ side is used for the azimuthal angle measurement. In this letter, an overview and performance results are provided for both generations of the Belle SVD.

AB - The Belle Silicon Vertex Detector (SVD) was designed to measure B meson decay positions precisely for studies of time-dependent CP violation. Although the first version of SVD (SVD1) worked for 4 years from 1999 with excellent performance, its insufficient radiation hardness drove us to build a second generation SVD (SVD2). The SVD2 was installed in Belle in the summer of 2003 and has been working well. The strip yield is estimated to be more than 95%. The signal-to-noise ratios are obtained to be 18-36, depending on detector ladders. The intrinsic spatial resolutions are obtained to be 12.0±0.4 and 22.3±0.8μm for φ- and z-sides, where z-side measures positions along the beam direction and φ side is used for the azimuthal angle measurement. In this letter, an overview and performance results are provided for both generations of the Belle SVD.

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