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The LHCb VELO Upgrade Module Construction

Fuente: arXiv

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Détails bibliographiques
Auteurs principaux:	Akiba, K., Alexander, M., Bertella, C., Biolchini, A., Bitadze, A., Bogdanova, G., Borghi, S., Bowcock, T. J. V., Bridges, K., Brock, M., Burke, A. T., Buytaert, J., Byczynski, W., Carroll, J., Coco, V., Collins, P., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Roo, K., Doherty, F., Douglas, L., Dufour, L., Dumps, R., Dutta, D., Eklund, L., Elvin, A., Farry, S., Prieto, A. Fernandez, Lima, V. Franco, Freestone, J., Fuzipeg, C., Galati, M. D., Torreira, A. Gallas, Geertsema, R. E., Gersabeck, E., Gersabeck, M., Grant, F., Halewood-leagas, T., Hennessy, K., Hulsbergen, W., Hutchcroft, D., Hynds, D., Jans, E., John, D., John, M., Jurik, N., Ketel, T., Klaver, S., Kopciewicz, P., Kostiuk, I., Kraan, M., Langstaff, M., Latham, T., Leflat, A., Cid, E. Lemos, Lukashenko, V., Merk, M., Milovanovic, M., Monk, M., Murray, D., Nasteva, I., Oblakowska-Mucha, A., Pajero, T., Parkes, C., Alvarez, A. Pazos, Trigo, E. Perez, Perry, M., Reiss, F., Rinnert, K., Rodriguez, E. Rodriguez, Rovekamp, J., Sanders, F., Smead, L. G. Scantlebury, Schiller, M., Shears, T., Smith, N. A., Snoch, A., Svihra, P., Szumlak, T., van Beuzekom, M., van Overbeek, M., Regueiro, P. Vazquez, Volkov, V., Wormald, M., Zunica, G.
Format:	Preprint
Publié:	2024
Sujets:	Instrumentation and Detectors High Energy Physics - Experiment
Accès en ligne:	Acceder al recurso
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_version_	1866910420809285632
author	Akiba, K. Alexander, M. Bertella, C. Biolchini, A. Bitadze, A. Bogdanova, G. Borghi, S. Bowcock, T. J. V. Bridges, K. Brock, M. Burke, A. T. Buytaert, J. Byczynski, W. Carroll, J. Coco, V. Collins, P. Davis, A. Francisco, O. De Aguiar De Bruyn, K. De Capua, S. De Roo, K. Doherty, F. Douglas, L. Dufour, L. Dumps, R. Dutta, D. Eklund, L. Elvin, A. Farry, S. Prieto, A. Fernandez Lima, V. Franco Freestone, J. Fuzipeg, C. Galati, M. D. Torreira, A. Gallas Geertsema, R. E. Gersabeck, E. Gersabeck, M. Grant, F. Halewood-leagas, T. Hennessy, K. Hulsbergen, W. Hutchcroft, D. Hynds, D. Jans, E. John, D. John, M. Jurik, N. Ketel, T. Klaver, S. Kopciewicz, P. Kostiuk, I. Kraan, M. Langstaff, M. Latham, T. Leflat, A. Cid, E. Lemos Lukashenko, V. Merk, M. Milovanovic, M. Monk, M. Murray, D. Nasteva, I. Oblakowska-Mucha, A. Pajero, T. Parkes, C. Alvarez, A. Pazos Trigo, E. Perez Perry, M. Reiss, F. Rinnert, K. Rodriguez, E. Rodriguez Rovekamp, J. Sanders, F. Smead, L. G. Scantlebury Schiller, M. Shears, T. Smith, N. A. Snoch, A. Svihra, P. Szumlak, T. van Beuzekom, M. van Overbeek, M. Regueiro, P. Vazquez Volkov, V. Wormald, M. Zunica, G.
author_facet	Akiba, K. Alexander, M. Bertella, C. Biolchini, A. Bitadze, A. Bogdanova, G. Borghi, S. Bowcock, T. J. V. Bridges, K. Brock, M. Burke, A. T. Buytaert, J. Byczynski, W. Carroll, J. Coco, V. Collins, P. Davis, A. Francisco, O. De Aguiar De Bruyn, K. De Capua, S. De Roo, K. Doherty, F. Douglas, L. Dufour, L. Dumps, R. Dutta, D. Eklund, L. Elvin, A. Farry, S. Prieto, A. Fernandez Lima, V. Franco Freestone, J. Fuzipeg, C. Galati, M. D. Torreira, A. Gallas Geertsema, R. E. Gersabeck, E. Gersabeck, M. Grant, F. Halewood-leagas, T. Hennessy, K. Hulsbergen, W. Hutchcroft, D. Hynds, D. Jans, E. John, D. John, M. Jurik, N. Ketel, T. Klaver, S. Kopciewicz, P. Kostiuk, I. Kraan, M. Langstaff, M. Latham, T. Leflat, A. Cid, E. Lemos Lukashenko, V. Merk, M. Milovanovic, M. Monk, M. Murray, D. Nasteva, I. Oblakowska-Mucha, A. Pajero, T. Parkes, C. Alvarez, A. Pazos Trigo, E. Perez Perry, M. Reiss, F. Rinnert, K. Rodriguez, E. Rodriguez Rovekamp, J. Sanders, F. Smead, L. G. Scantlebury Schiller, M. Shears, T. Smith, N. A. Snoch, A. Svihra, P. Szumlak, T. van Beuzekom, M. van Overbeek, M. Regueiro, P. Vazquez Volkov, V. Wormald, M. Zunica, G.
contents	The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex information. A new vertex locator system, the VELO Upgrade, has been constructed. The core element of the new VELO are the double-sided pixelated hybrid silicon detector modules which operate in vacuum close to the LHC beam in a high radiation environment. The construction and quality assurance tests of these modules are described in this paper. The modules incorporate 200 \mum thick, n-on-p silicon sensors bump-bonded to 130 \nm technology ASICs. These are attached with high precision to a silicon microchannel substrate that uses evaporative CO$_2$ cooling. The ASICs are controlled and read out with flexible printed circuits that are glued to the substrate and wire-bonded to the chips. The mechanical support of the module is given by a carbon fibre plate, two carbon fibre rods and an aluminium plate. The sensor attachment was achieved with an average precision of 21 $\mathrm{μm}$, more than 99.5\% of all pixels are fully functional, and a thermal figure of merit of 3 \mathrm{Kcm^{2}W^{-1}}$ was achieved. The production of the modules was successfully completed in 2021, with the final assembly and installation completed in time for data taking in 2022.
format	Preprint
id	arxiv_https___arxiv_org_abs_2404_13615
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	The LHCb VELO Upgrade Module Construction Akiba, K. Alexander, M. Bertella, C. Biolchini, A. Bitadze, A. Bogdanova, G. Borghi, S. Bowcock, T. J. V. Bridges, K. Brock, M. Burke, A. T. Buytaert, J. Byczynski, W. Carroll, J. Coco, V. Collins, P. Davis, A. Francisco, O. De Aguiar De Bruyn, K. De Capua, S. De Roo, K. Doherty, F. Douglas, L. Dufour, L. Dumps, R. Dutta, D. Eklund, L. Elvin, A. Farry, S. Prieto, A. Fernandez Lima, V. Franco Freestone, J. Fuzipeg, C. Galati, M. D. Torreira, A. Gallas Geertsema, R. E. Gersabeck, E. Gersabeck, M. Grant, F. Halewood-leagas, T. Hennessy, K. Hulsbergen, W. Hutchcroft, D. Hynds, D. Jans, E. John, D. John, M. Jurik, N. Ketel, T. Klaver, S. Kopciewicz, P. Kostiuk, I. Kraan, M. Langstaff, M. Latham, T. Leflat, A. Cid, E. Lemos Lukashenko, V. Merk, M. Milovanovic, M. Monk, M. Murray, D. Nasteva, I. Oblakowska-Mucha, A. Pajero, T. Parkes, C. Alvarez, A. Pazos Trigo, E. Perez Perry, M. Reiss, F. Rinnert, K. Rodriguez, E. Rodriguez Rovekamp, J. Sanders, F. Smead, L. G. Scantlebury Schiller, M. Shears, T. Smith, N. A. Snoch, A. Svihra, P. Szumlak, T. van Beuzekom, M. van Overbeek, M. Regueiro, P. Vazquez Volkov, V. Wormald, M. Zunica, G. Instrumentation and Detectors High Energy Physics - Experiment The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex information. A new vertex locator system, the VELO Upgrade, has been constructed. The core element of the new VELO are the double-sided pixelated hybrid silicon detector modules which operate in vacuum close to the LHC beam in a high radiation environment. The construction and quality assurance tests of these modules are described in this paper. The modules incorporate 200 \mum thick, n-on-p silicon sensors bump-bonded to 130 \nm technology ASICs. These are attached with high precision to a silicon microchannel substrate that uses evaporative CO$_2$ cooling. The ASICs are controlled and read out with flexible printed circuits that are glued to the substrate and wire-bonded to the chips. The mechanical support of the module is given by a carbon fibre plate, two carbon fibre rods and an aluminium plate. The sensor attachment was achieved with an average precision of 21 $\mathrm{μm}$, more than 99.5\% of all pixels are fully functional, and a thermal figure of merit of 3 \mathrm{Kcm^{2}W^{-1}}$ was achieved. The production of the modules was successfully completed in 2021, with the final assembly and installation completed in time for data taking in 2022.
title	The LHCb VELO Upgrade Module Construction
topic	Instrumentation and Detectors High Energy Physics - Experiment
url	https://arxiv.org/abs/2404.13615