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One of the challenges of collider physics is to unambiguously associate detector based objects with the corresponding elementary physics objects. A particular example is the association of calorimeter-based objects such as "jets",…

High Energy Physics - Phenomenology · Physics 2013-05-30 Stephen D. Ellis , Tuhin S. Roy , Jakub Scholtz

The area of a jet is a measure of its susceptibility to radiation, like pileup or underlying event (UE), that on average, in the jet's neighbourhood, is uniform in rapidity and azimuth. In this article we establish a theoretical grounding…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matteo Cacciari , Gavin P. Salam , Gregory Soyez

Plant breeding programs extensively monitor the evolution of seed kernels for seed certification, wherein lies the need to appropriately label the seed kernels by type and quality. However, the breeding environments are large where the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Venkat Margapuri , Niketa Penumajji , Mitchell Neilsen

In this paper, we have examined the problem of embedding a cycle of n vertices onto a given set of n points inside a simple polygon. The goal of the problem is that the cycle must be embedded without bends and does not intersect itself and…

Computational Geometry · Computer Science 2022-06-24 Maryam Fadavian , Heidar Fadavian

We describe the calculation of integrated subtraction terms in the nested soft-collinear subtraction scheme for hadron collider processes with quarks and gluons, thereby extending the results presented in Ref.$~$[1]. Although this extension…

High Energy Physics - Phenomenology · Physics 2025-03-20 Federica Devoto , Kirill Melnikov , Raoul Röntsch , Chiara Signorile-Signorile , Davide Maria Tagliabue , Matteo Tresoldi

Many measurements and searches for physics beyond the standard model at the LHC rely on the efficient identification of heavy-flavour jets, i.e. jets originating from bottom or charm quarks. In this paper, the discriminating variables and…

Instrumentation and Detectors · Physics 2018-05-10 CMS Collaboration

Jet production at hadron colliders is a benchmark process to probe the dynamics of the strong interaction and the structure of the colliding hadrons. One of the most basic jet production observables is the single jet inclusive cross…

High Energy Physics - Phenomenology · Physics 2018-11-14 James Currie , Aude Gehrmann-De Ridder , Thomas Gehrmann , E. W. N. Glover , Alexander Huss , Joao Pires

Many algorithms have been proposed to help clinicians evaluate cone density and spacing, as these may be related to the onset of retinal diseases. However, there has been no rigorous comparison of the performance of these algorithms. In…

Medical Physics · Physics 2015-03-13 Letizia Mariotti , Nicholas Devaney

Two-jet cross sections in deep inelastic scattering at HERA are calculated in next-to-leading order. The QCD corrections are implemented in a new $ep\rightarrow n$ jets event generator, MEPJET, which allows to analyze arbitrary jet…

High Energy Physics - Phenomenology · Physics 2009-10-28 Erwin Mirkes , Dieter Zeppenfeld

A quantitative description of the qualitative feature of multi-hadron final states known as the "number of jets" is given by a sequence of infrared finite shape observables (jet discriminators) that: take continuous values between 0 and 1;…

High Energy Physics - Phenomenology · Physics 2009-10-31 Fyodor V. Tkachov

We present a machine learning (ML) method to calibrate hadronic jet energy in real-time trigger systems of the High-Luminosity Large Hadron Collider (HL-LHC) using an efficient implementation on field programmable gate arrays (FPGA).…

High Energy Physics - Phenomenology · Physics 2025-07-23 Benjamin T. Carlson , Stephen T. Roche , Michael Hemmett , Tae Min Hong

Motivated by security needs in unmanned aerial system (UAS) operations, an algorithm for identifying airspace intruders (e.g., birds vs. drones) is developed. The algorithm is structured to use sensed intruder velocity data from…

Systems and Control · Electrical Eng. & Systems 2021-05-18 David Petrizze , Kasra Koorehdavoudi , Mengran Xue , Sandip Roy

Sets of $d\times d$ matrices sharing a common invariant cone enjoy special properties, which are widely used in applications. However, finding this cone or even proving its existence/non-existence is hard. This problem is known to be…

Numerical Analysis · Mathematics 2025-05-05 Thomas Mejstrik , Vladimiar Yu. Protasov

The irreducible background from Z(nunu)+jets, to beyond the Standard Model searches at the LHC, can be calibrated using gamma+jets data. The method utilises the fact that at high vector boson pT, the event kinematics are the same for the…

High Energy Physics - Phenomenology · Physics 2015-05-28 S. Ask , M. A. Parker , T. Sandoval , M. E. Shea , W. J. Stirling

Collimated streams of particles produced in high energy physics experiments are organized using clustering algorithms to form jets. To construct jets, the experimental collaborations based at the Large Hadron Collider (LHC) primarily use…

High Energy Physics - Phenomenology · Physics 2016-09-06 Lester Mackey , Benjamin Nachman , Ariel Schwartzman , Conrad Stansbury

We determine the jet vertex for Mueller-Navelet jets and forward jets in the small-cone approximation for two particular choices of jet algoritms: the kt algorithm and the cone algorithm. These choices are motivated by the extensive use of…

High Energy Physics - Phenomenology · Physics 2015-05-20 Dimitri Colferai , Alessandro Niccoli

When an inverse problem is solved by a gradient-based optimization algorithm, the corresponding forward and adjoint problems, which are introduced to compute the gradient, can be also solved iteratively. The idea of iterating at the same…

Numerical Analysis · Mathematics 2025-01-23 Marcella Bonazzoli , Houssem Haddar , Tuan Anh Vu

We present a method for studying the detection of jets in high energy hadronic collisions using multiplicity detector in forward rapidities. Such a study enhances the physics scope of multiplicity detectors at forward rapidities in LHC. At…

High Energy Physics - Experiment · Physics 2016-12-08 Ranbir Singh , Bedangadas Mohanty

We present an efficient implementation of interior point methods for a family of nonsymmetric cones, including generalized power cones, power mean cones and relative entropy cones, by exploiting underlying low-rank and sparse properties of…

Optimization and Control · Mathematics 2023-05-23 Yuwen Chen , Paul Goulart

Drones operating in complex environments face a significant threat from thin obstacles, such as steel wires and kite strings at the submillimeter level, which are notoriously difficult for conventional sensors like RGB cameras, LiDAR, and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Zhengli Zhang , Xinyu Luo , Yucheng Sun , Wenhua Ding , Dongyue Huang , Xinlei Chen