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The pixel detector is the innermost tracking device in CMS, reconstructing interaction vertices and charged particle trajectories. The sensors located in the innermost layers of the pixel detector must be upgraded for the ten-fold increase…

Many man-made objects are characterised by a shape that is symmetric along one or more planar directions. Estimating the location and orientation of such symmetry planes can aid many tasks such as estimating the overall orientation of an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Mihaela Cătălina Stoian , Tommaso Cavallari

We develop and validate a new algorithm called \textit{primary track recovery} (\ptr) that effectively deconvolves known physics and detector effects from nuclear recoil tracks in gas time projection chambers (TPCs) with high-resolution…

Instrumentation and Detectors · Physics 2022-04-27 P. M. Lewis , M. T. Hedges , I. Jaegle , J. Schueler , T. N. Thorpe , S. E. Vahsen

The scientific apparatus "Gamma-400" designed for study of hadron and electromagnetic components of cosmic rays will be launched to an elliptic orbit with the apogee of about 300 000 km and the perigee of about 500 km. Such a configuration…

Instrumentation and Methods for Astrophysics · Physics 2016-02-17 A. Guskov , G. Shelkov , P. Smolyanskiy , A. Zhemchugov

This paper describes an iterative method of per-pixel energy calibration of hybrid pixel detectors with GaAs:Cr sensor and Timepix readout chip. A convolution of precisely measured spectra of characteristic X-rays of different metals with…

The ALICE ITS3 project foresees the use of ultra-light MAPS, developed in the 65 nm imaging process, for the vertex detector in the ALICE experiment at the LHC to drastically improve the vertexing performance. This new development,…

Instrumentation and Detectors · Physics 2024-09-13 Kunal Gautam , Ajit Kumar

A large volume TPC is a leading candidate for the central tracking detector at a future high energy linear collider. To improve the resolution a new readout based on micro-pattern gas detectors is being developed. Measurements of the…

Instrumentation and Detectors · Physics 2011-07-19 R. K. Carnegie , M. S. Dixit , J. Dubeau , D. Karlen , J. -P. Martin , H. Mes , K. Sachs

This is part of a document, which is devoted to the developments of pixel detectors in the context of the International Linear Collider. From the early developments of the MIMOSAs to the proposed DotPix I recall some of the major…

Instrumentation and Detectors · Physics 2020-03-24 Nicolas Fourches , University Paris-Saclay

Highly granular pixel detectors allow for increasingly precise measurements of charged particle tracks. Next-generation detectors require that pixel sizes will be further reduced, leading to unprecedented data rates exceeding those foreseen…

In this article we present methods for measuring hindered Brownian motion in the confinement of complex 3D geometries using digital video microscopy. Here we discuss essential features of automated 3D particle tracking as well as diffusion…

Fluid Dynamics · Physics 2014-08-20 Simon L Dettmer , Ulrich F Keyser , Stefano Pagliara

Purpose: CMOS pixel sensors have become extremely attractive for future high performance tracking devices. Initial R\&D work has been conducted for the vertex detector for the proposed Circular Electron Positron Collider that will allow…

Instrumentation and Detectors · Physics 2019-09-04 L. J. Chen , H. B. Zhu , X. C. Ai , M. Fu , R. Kiuchi , Y. Liu , Z. A. Liu , X. C. Lou , Y. P. Lu , Q. Ouyang , X. Shi , J. Tao , K. Wang , N. Wang , C. F. Yang , Y. Zhang , Y. Zhou

The ATLAS Pixel detector is a high-resolution, low-noise silicon-based device designed to provide tracking and vertexing information within a distance of 12 cm from the LHC beam axis. It consists of approximately 80 million pixel channels…

Instrumentation and Detectors · Physics 2019-08-13 J. Biesiada

The hit combinatorial problem is a main challenge for track reconstruction and triggering at high rate experiments. At hadron colliders the dominant fraction of hits is due to low momentum tracks for which multiple scattering (MS) effects…

Instrumentation and Detectors · Physics 2015-06-22 Andre Schöning

We demonstrate the application of event-driven Timepix3-based detectors in combination with a double-sided velocity-map-imaging spectrometer to record the full 3D momentum of charged particles at the free-electron-laser facility FLASH. We…

3D object proposals, quickly detected regions in a 3D scene that likely contain an object of interest, are an effective approach to improve the computational efficiency and accuracy of the object detection framework. In this work, we…

Robotics · Computer Science 2018-06-27 Ramanpreet Singh Pahwa , Tian Tsong Ng , Minh N. Do

The physics aims at the proposed future CLIC high-energy linear $e^+ e^-$ collider pose challenging demands on the performance of the detector system. In particular the vertex and tracking detectors have to combine precision measurements…

Instrumentation and Detectors · Physics 2019-09-04 Mathieu Benoit

Examining locomotion has improved our basic understanding of motor control and aided in treating motor impairment. Mice and rats are premier models of human disease and increasingly the model systems of choice for basic neuroscience. High…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Omid Haji Maghsoudi , Andrew Spence

We revisit the precision of the measurement of track parameters (position, angle) with optimal methods in the presence of detector resolution, multiple scattering and zero magnetic field. We then obtain an optimal estimator of the track…

Data Analysis, Statistics and Probability · Physics 2017-07-04 Mikael Frosini , Denis Bernard

The ARIADNE project is developing innovative optical readout technologies for two-phase liquid Argon time projection chambers (LArTPCs). Optical readout presents an exciting alternative to the current paradigm of charge readout. Optical…