Performance studies of the Belle II Silicon Vertex Detector with data taken at the DESY test beam in April 2016

Lück, Thomas; Adamczyk, K.; Aihara, Hiroyuki; Angelini, C.; Aziz, T.; Babu, V.; Bacher, S.; Bahinipati, S.; Barberio, E.; Baroncelli, Ti.; Baroncelli, To.; Basith, Abdul; Batignani, G.; Bauer, Anton J.; Behera, P. K.; Bergauer, T.; Bettarini, S.; Bhuyan, B.; Bilka, T.; Bosi, F.; Bosisio, L.; Bożek, A.; Buchsteiner, F.; Bulla, Lukas; Caria, G.; Casarosa, G.; Ceccanti, M.; Červenkov, D.; Chendvankar, S. R.; Dash, N.; Pietro, G. De; Divekar, S. T.; Doležal, Z.; Dutta, D.; Forti, F.; Friedl, M.; Hara, K.; Higuchi, T.; Horiguchi, T.; Irmler, C.; Ishikawa, A.; Jeon, H. B.; Joo, C.; Kandra, J.; Kambara, Naoshige; Kang, K. H.; Kawasaki, T.; Kodyč, P.; Kohriki, T.; Koike, S. T.; Kolwalkar, M. M.; Kumar, Rajeev; Wei, Kun; Kvasnička, P.; Licata, C. La; Lanceri, L.; Lettenbichler, Jakob; Libby, J.; Maki, M.; Mammini, P.; Martini, A.; Mayekar, S. N.; Mohanty, G. B.; Mohanty, S.; Morii, T.; Nakamura, K. R.; Natkaniec, Z.; Onuki, Y.; Ostrowicz, W.; Paladino, A.; Paoloni, E.; Park, H.; Pilo, F.; Profeti, A.; Rao, K. K.; Rashevskaya, I.; Rizzo, G.; Resmi, P. K.; Różańska, M.; Sasaki, J.; Sato, N.; Schultschik, S.; Schwanda, C.; Schwenker, B.; Seino, Y.; Shimizu, Nobuhiro; Stolzenberg, U.; Stypula, J.; Suzuki, Jun–ichi; Tanaka, S.; Taylor, G.N.; Thalmeier, R.; Thomas, R.; Tsuboyama, T.; Uozumi, S.; Urquijo, P.; Vitale, L.; Watanabe, M.; Watanuki, S.; Watson, I. J.; Webb, J.; Wiechczynski, J.; Williams, S.; Würkner, B.; Yamamoto, H.; Yin, H.; Yoshinobu, T.; Zani, L.

doi:10.22323/1.287.0057

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…Early PXD standalone test beams with small scale prototypes focused on measuring the intrinsic spatial resolution and hit efficiency of 50 µm thick sensors and provided data to validate the detector simulation in the Belle II software [69]. Several combined VXD and standalone PXD test beam campaigns have been successfully performed [70,71] at the DESY II Test Beam Facility using EUDET-type telescopes as shown in figure 4.…”

Section: Jinst 15 P01038mentioning

confidence: 99%

EUDAQ—a data acquisition software framework for common beam telescopes

et al. 2020

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The development of EUDAQ started as part of the EU-funded Joint Research Activity of the EUDET project "Test Beam Infrastructure" [3,4] in 2005. The goal of the project was the development of a high-precision pixel beam telescope for investigations of the tracking performance of sensor devices. To make this beam telescope a versatile tool for a broad user base and a wide variety of devices, an easy integration strategy for devices under test (DUT) and its DAQ was a priority from the beginning of the project [5]. The interface that was considered to be the most flexible for the user consisted of two separate layers: on the hardware level, the different DAQ systems were to be synchronised using a simple trigger-busy communication protocol; on the software level, the full integration of the DUT into EUDAQ was foreseen as the preferred approach, yet was kept optional.This approach determined the core architecture of EUDAQ [6] which remains today: centralised but distributed core components that communicate with so-called Producers via a custom TCP/IPbased protocol. In this scheme, the latter are responsible for implementing an interface to the individual hardware components, controlling the devices' states and feeding the data into the central data collection unit. Both the beam telescope detector planes and the DUT use the same interface, thus making the framework flexible and independent of any specific hardware. The framework architecture is described in more detail in Section 2.Historically, the most prominent application of EUDAQ is the DAQ of the EUDET-type pixel beam telescopes [7]. They are based on Mimosa26 sensors [8] as telescope planes and a custom-designed trigger logic unit (TLU), the EUDET TLU [9]. Today, the EUDET-type beam telescopes are accessible as common infrastructure at test beam facilities all over the world. This broad availability of beam telescopes combined with the ease-of-use, extensive documentation and user-focus of EUDAQ outlined in Section 3 has led to a large number of successful EUDAQ-based test beam campaigns in the last decade: in Section 4, eleven applications from a wide range of communities are described in more detail.Since the early days of mostly user-driven development, EUDAQ has been moved to a collaborative development model with several active contributors. New features as well as many behind-the-scenes changes such as continuous integration methods paved the road towards the second major version of EUDAQ as briefly outlined in Section 5.

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Section: Jinst 15 P01038mentioning

confidence: 99%

EUDAQ—a data acquisition software framework for common beam telescopes

et al. 2020

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The design, construction, operation and performance of the Belle II silicon vertex detector

et al. 2022

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The Silicon Vertex Detector of Belle II is a state-of-the-art tracking and vertexing system based on double-sided silicon strip sensors, designed and fabricated by a large international collaboration in the period 2012–2018. Since 2019 it has been in operation providing high quality data with a small number of defective channels (<1%), a large hit-finding efficiency (>99%), a good signal-to-noise ratio (well in excess of 10 for all sensor configurations and tracks). Together with the good control over the alignment, these are all essential factors to achieve good tracking reconstruction and physics performance. In this extended paper we try to document all the aspects of the SVD challenges and achievements, in the spirit of providing information to the broader community and help the development of high quality detector systems, which are essential tools to carry out physics research.

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Performance studies of the Belle II Silicon Vertex Detector with data taken at the DESY test beam in April 2016

Cited by 2 publications

References 5 publications

EUDAQ—a data acquisition software framework for common beam telescopes

EUDAQ—a data acquisition software framework for common beam telescopes

The design, construction, operation and performance of the Belle II silicon vertex detector

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