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The imaging Time-of-Propagation detector at Belle II.

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Title: The imaging Time-of-Propagation detector at Belle II.
Authors: Atmacan, H.1 (AUTHOR), Belhorn, M.1 (AUTHOR), Guan, Y.1 (AUTHOR), Li, L.1 (AUTHOR), Pal, B.1 (AUTHOR), Sandilya, S.1,2 (AUTHOR), Schwartz, A.J.1 (AUTHOR) alan.j.schwartz@uc.edu, Wang, B.1 (AUTHOR), Watanuki, S.1 (AUTHOR), Andrew, M.3 (AUTHOR), Barrett, M.3,4 (AUTHOR), Bessner, M.3 (AUTHOR), Browder, T.E.3 (AUTHOR), Bynes, J.3 (AUTHOR), Cercillieux, J.1,3 (AUTHOR), Dubey, S.3 (AUTHOR), Hartbrich, O.1,3 (AUTHOR), Ketter, C.3 (AUTHOR), Kirby, B.1,3 (AUTHOR), Kohani, S.3 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Nov2025, Vol. 1080, pN.PAG-N.PAG. 1p.
Subjects: Cherenkov radiation, Fused silica, Pions, Colliders (Nuclear physics), Kaons
Abstract: We report on the construction, operation, and performance of the Time-of-Propagation detector with imaging used for the Belle II experiment running at the Super-KEKB e + e − collider. This detector is located in the central barrel region and uses Cherenkov light to provide particle identification among hadrons. The Cherenkov light is radiated in highly polished bars of synthetic fused silica (quartz) and transported to the ends of the bars via total internal reflection. One bar end is instrumented with finely segmented micro-channel-plate photomultiplier tubes to record the light, while the other end has a mirror attached to reflect the photons back to the instrumented end. Both the propagation times and hit positions of the Cherenkov photons are measured; these depend on the Cherenkov angle and together provide good discrimination among charged pions, kaons, and protons with momenta up to around 4 GeV/ c. To date, the detector has been used to record and analyze almost 600 fb−1 of Belle II data. [ABSTRACT FROM AUTHOR]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: The imaging Time-of-Propagation detector at Belle II.
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  Data: <searchLink fieldCode="AR" term="%22Atmacan%2C+H%2E%22">Atmacan, H.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Belhorn%2C+M%2E%22">Belhorn, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guan%2C+Y%2E%22">Guan, Y.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+L%2E%22">Li, L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pal%2C+B%2E%22">Pal, B.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sandilya%2C+S%2E%22">Sandilya, S.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schwartz%2C+A%2EJ%2E%22">Schwartz, A.J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alan.j.schwartz@uc.edu</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+B%2E%22">Wang, B.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Watanuki%2C+S%2E%22">Watanuki, S.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Andrew%2C+M%2E%22">Andrew, M.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Barrett%2C+M%2E%22">Barrett, M.</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bessner%2C+M%2E%22">Bessner, M.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Browder%2C+T%2EE%2E%22">Browder, T.E.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bynes%2C+J%2E%22">Bynes, J.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cercillieux%2C+J%2E%22">Cercillieux, J.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dubey%2C+S%2E%22">Dubey, S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hartbrich%2C+O%2E%22">Hartbrich, O.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ketter%2C+C%2E%22">Ketter, C.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kirby%2C+B%2E%22">Kirby, B.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kohani%2C+S%2E%22">Kohani, S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Nov2025, Vol. 1080, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Cherenkov+radiation%22">Cherenkov radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Fused+silica%22">Fused silica</searchLink><br /><searchLink fieldCode="DE" term="%22Pions%22">Pions</searchLink><br /><searchLink fieldCode="DE" term="%22Colliders+%28Nuclear+physics%29%22">Colliders (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Kaons%22">Kaons</searchLink>
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  Data: We report on the construction, operation, and performance of the Time-of-Propagation detector with imaging used for the Belle II experiment running at the Super-KEKB e + e − collider. This detector is located in the central barrel region and uses Cherenkov light to provide particle identification among hadrons. The Cherenkov light is radiated in highly polished bars of synthetic fused silica (quartz) and transported to the ends of the bars via total internal reflection. One bar end is instrumented with finely segmented micro-channel-plate photomultiplier tubes to record the light, while the other end has a mirror attached to reflect the photons back to the instrumented end. Both the propagation times and hit positions of the Cherenkov photons are measured; these depend on the Cherenkov angle and together provide good discrimination among charged pions, kaons, and protons with momenta up to around 4 GeV/ c. To date, the detector has been used to record and analyze almost 600 fb−1 of Belle II data. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=186784249
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        Value: 10.1016/j.nima.2025.170627
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        Text: English
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      – SubjectFull: Fused silica
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      – SubjectFull: Pions
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      – SubjectFull: Colliders (Nuclear physics)
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