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Microlens-enhanced SiPMs for the LHCb SciFi tracker Upgrade II: Update and recent results.

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Title: Microlens-enhanced SiPMs for the LHCb SciFi tracker Upgrade II: Update and recent results.
Authors: Ronchetti, F.1 (AUTHOR) federico.ronchetti@epfl.ch, Blanc, F.1 (AUTHOR), Currás-Rivera, E.1 (AUTHOR), Haefeli, G.1 (AUTHOR), Marchevski, R.1 (AUTHOR), Schneider, O.1 (AUTHOR), Shchutska, L.1 (AUTHOR), Zunica, G.1 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Nov2025, Vol. 1080, pN.PAG-N.PAG. 1p.
Subjects: Radiation damage, Photomultipliers, Microlenses, Photons, Detectors
Abstract: The Scintillating Fibre (SciFi) tracker has been operated in the current LHCb experiment layout since 2022 and will continue to take data until 2030. The high radiation environment damages the detector components and reduces the overall light yield, degrading the hit efficiency. Moreover, LHCb Upgrade II will see the addition of timing information in different sub-detectors, with the need of an adequate amount of detected light to ensure the requested performance. Microlens-enhanced Silicon PhotoMultipliers (SiPMs) allow to improve photon detection efficiency in the SciFi tracker upgrade. Results show an improvement in both Single Photon Time Resolution and SciFi time resolution, when compared to conventional coated SiPMs, due to higher light collection efficiency. [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
An: 186784241
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Microlens-enhanced SiPMs for the LHCb SciFi tracker Upgrade II: Update and recent results.
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  Data: <searchLink fieldCode="AR" term="%22Ronchetti%2C+F%2E%22">Ronchetti, F.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> federico.ronchetti@epfl.ch</i><br /><searchLink fieldCode="AR" term="%22Blanc%2C+F%2E%22">Blanc, F.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Currás-Rivera%2C+E%2E%22">Currás-Rivera, E.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Haefeli%2C+G%2E%22">Haefeli, G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Marchevski%2C+R%2E%22">Marchevski, R.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schneider%2C+O%2E%22">Schneider, O.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shchutska%2C+L%2E%22">Shchutska, L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zunica%2C+G%2E%22">Zunica, G.</searchLink><relatesTo>1</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="%22Radiation+damage%22">Radiation damage</searchLink><br /><searchLink fieldCode="DE" term="%22Photomultipliers%22">Photomultipliers</searchLink><br /><searchLink fieldCode="DE" term="%22Microlenses%22">Microlenses</searchLink><br /><searchLink fieldCode="DE" term="%22Photons%22">Photons</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink>
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  Label: Abstract
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  Data: The Scintillating Fibre (SciFi) tracker has been operated in the current LHCb experiment layout since 2022 and will continue to take data until 2030. The high radiation environment damages the detector components and reduces the overall light yield, degrading the hit efficiency. Moreover, LHCb Upgrade II will see the addition of timing information in different sub-detectors, with the need of an adequate amount of detected light to ensure the requested performance. Microlens-enhanced Silicon PhotoMultipliers (SiPMs) allow to improve photon detection efficiency in the SciFi tracker upgrade. Results show an improvement in both Single Photon Time Resolution and SciFi time resolution, when compared to conventional coated SiPMs, due to higher light collection efficiency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  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.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.nima.2025.170607
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        Text: English
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        Type: general
      – SubjectFull: Photomultipliers
        Type: general
      – SubjectFull: Microlenses
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      – SubjectFull: Photons
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      – SubjectFull: Detectors
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      – TitleFull: Microlens-enhanced SiPMs for the LHCb SciFi tracker Upgrade II: Update and recent results.
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              Text: Nov2025
              Type: published
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