The new two-layer Belle II PiXel Detector

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10510091" target="_blank" >RIV/00216208:11320/25:10510091 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=ejk4cIFyi3" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=ejk4cIFyi3</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1748-0221/20/07/C07060" target="_blank" >10.1088/1748-0221/20/07/C07060</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The new two-layer Belle II PiXel Detector

Popis výsledku v původním jazyce

The Belle II experiment [1] at SuperKEKB [2] has been collecting data from asymmetric-energy e(+)e(-) collisions at the Upsilon(4S) resonance at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, since 2019. Its goal is to collect a BB data set 50 times larger than those of its predecessors, Belle and BaBar, enabling unprecedented precision in the measurement of Standard Model processes and the search for new physics at the luminosity frontier. To achieve this, a vertex resolution on the order of 30 mu m is required for precise discrimination of decay vertices and lifetime measurements of short-lived particles. This precision is achieved by the Belle II VerteX Detector (VXD), which consists of the ultra-low-mass PiXel Detector (PXD) based on DEpleted P-channel Field Effect Transistor (DEPFET) technology [3], surrounded by a double-sided silicon strip detector (SVD) [4]. A partially equipped PXD used for data taking period until 2022 (Run 1) has been replaced in 2023 by a new fully populated PXD. This PXD is used for the current data taking period (Run 2), which started in 2024. This article summarizes the commissioning and the first operation experience of the newly installed PXD.

Název v anglickém jazyce

The new two-layer Belle II PiXel Detector

Popis výsledku anglicky

The Belle II experiment [1] at SuperKEKB [2] has been collecting data from asymmetric-energy e(+)e(-) collisions at the Upsilon(4S) resonance at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, since 2019. Its goal is to collect a BB data set 50 times larger than those of its predecessors, Belle and BaBar, enabling unprecedented precision in the measurement of Standard Model processes and the search for new physics at the luminosity frontier. To achieve this, a vertex resolution on the order of 30 mu m is required for precise discrimination of decay vertices and lifetime measurements of short-lived particles. This precision is achieved by the Belle II VerteX Detector (VXD), which consists of the ultra-low-mass PiXel Detector (PXD) based on DEpleted P-channel Field Effect Transistor (DEPFET) technology [3], surrounded by a double-sided silicon strip detector (SVD) [4]. A partially equipped PXD used for data taking period until 2022 (Run 1) has been replaced in 2023 by a new fully populated PXD. This PXD is used for the current data taking period (Run 2), which started in 2024. This article summarizes the commissioning and the first operation experience of the newly installed PXD.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10300 - Physical sciences

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Instrumentation

ISSN

1748-0221

e-ISSN

1748-0221

Svazek periodika

20

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

C07060

Kód UT WoS článku

001539868200001

EID výsledku v databázi Scopus

2-s2.0-105011585698