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The precise reconstruction of properties of photons and electrons in modern high energy physics detectors, such as the CMS or Atlas experiments, plays a crucial role in numerous physics results. Conventional geometrical algorithms are used…

高能物理 - 实验 · 物理学 2023-11-30 Polina Simkina , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

A precision measurement of the top quark mass m_t is obtained using a sample of ttbar events from ppbar collisions at the Fermilab Tevatron with the CDF II detector. Selected events require an electron or muon, large missing transverse…

高能物理 - 实验 · 物理学 2010-12-28 T. Aaltonen et al.

Jet tagging techniques that make use of deep learning show great potential for improving physics analyses at colliders. One such method is the Energy Flow Network (EFN) - a recently introduced neural network architecture that represents…

高能物理 - 唯象学 · 物理学 2021-04-29 Matthew J. Dolan , Ayodele Ore

In high energy physics, the ability to reconstruct particles based on their detector signatures is essential for downstream data analyses. A particle reconstruction algorithm based on learning hypergraphs (HGPflow) has previously been…

Beginning from a basic neural-network architecture, we test the potential benefits offered by a range of advanced techniques for machine learning, in particular deep learning, in the context of a typical classification problem encountered…

数据分析、统计与概率 · 物理学 2020-06-03 Giles Chatham Strong

Detector simulation and reconstruction are a significant computational bottleneck in particle physics. We develop Particle-flow Neural Assisted Simulations (Parnassus) to address this challenge. Our deep learning model takes as input a…

数据分析、统计与概率 · 物理学 2024-11-22 Etienne Dreyer , Eilam Gross , Dmitrii Kobylianskii , Vinicius Mikuni , Benjamin Nachman , Nathalie Soybelman

Jet substructure techniques are playing an essential role in exploring the TeV scale at the Large Hadron Collider (LHC), since they facilitate the efficient reconstruction and identification of highly-boosted objects. Both for the LHC and…

高能物理 - 唯象学 · 物理学 2018-01-11 Evan Coleman , Marat Freytsis , Andreas Hinzmann , Meenakshi Narain , Jesse Thaler , Nhan Tran , Caterina Vernieri

The accurate identification of heavy-flavour jets, those which originate from bottom or charm quarks, is crucial for precision studies of the Standard Model and searches for new physics. However, assigning flavour to jets presents…

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…

高能物理 - 实验 · 物理学 2016-12-08 Ranbir Singh , Bedangadas Mohanty

Jets at the LHC are expected to provide the testing ground for studying QCD energy loss. In this contribution, we briefly outline the strategy that will be used to measure jets in ATLAS and how we will go about studying energy loss. We…

核实验 · 物理学 2019-08-13 N. Grau

We present an experimental study of energy-to-solution (ETS) of hybrid quantum-classical applications, enabled by direct instrumentation of power consumption of a Forte Enterprise trapped-ion quantum processor. We apply this methodology to…

This project aims to explore the process of deploying Machine learning models on Kubernetes using an open-source tool called Kubeflow [1] - an end-to-end ML Stack orchestration toolkit. We create end-to-end Machine Learning models on…

机器学习 · 计算机科学 2022-06-29 Aditya Pandey , Maitreya Sonawane , Sumit Mamtani

We propose and explore a new hybrid approach to jet quenching in a strongly coupled medium. The basis of this phenomenological approach is to treat physics processes at different energy scales differently. The high-$Q^2$ processes…

高能物理 - 唯象学 · 物理学 2015-08-05 Jorge Casalderrey-Solana , Doga Can Gulhan , José Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

We present a new model for jet quenching from coherent radiation in a brick medium. The jet energy loss is simulated as a perturbative final-state vacuum parton shower followed by a medium-induced shower originating from elastic and…

高能物理 - 唯象学 · 物理学 2023-09-26 Alexander Lind , Iurii Karpenko , Martin Rohrmoser , Joerg Aichelin , Pol Gossiaux , Klaus Werner

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…

仪器与探测器 · 物理学 2018-05-10 CMS Collaboration

Many physics signals presently studied at the high energy collision experiments lead to final states with jets originating from heavy flavor quarks. This report reviews the algorithms for heavy flavor jets identification developed by the…

高能物理 - 实验 · 物理学 2017-09-06 Luca Scodellaro

Jet point cloud images are high dimensional data structures that needs to be transformed to a separable feature space for machine learning algorithms to distinguish them with simple decision boundaries. In this article, the authors focus on…

高能物理 - 唯象学 · 物理学 2024-07-08 Jairo Orozco Sandoval , Vidya Manian , Sudhir Malik

Over the past decade, machine learning techniques have revolutionized how research is done, from designing new materials and predicting their properties to assisting drug discovery to advancing cybersecurity. Recently, we added to this list…

量子物理 · 物理学 2018-10-19 Justyna P. Zwolak , Sandesh S. Kalantre , Xingyao Wu , Stephen Ragole , Jacob M. Taylor

Jet flavour identification algorithms are of paramount importance to maximise the physics potential of future collider experiments. This work describes a novel set of tools allowing for a realistic simulation and reconstruction of particle…

高能物理 - 实验 · 物理学 2022-08-10 Franco Bedeschi , Loukas Gouskos , Michele Selvaggi

In this work, we give a method to study the energy loss of jets in the medium using a variety of jet energy loss observables such as nuclear modification factor and transverse momentum asymmetry in dijets and $\gamma$-jets in heavy ion…

高能物理 - 唯象学 · 物理学 2024-10-11 Vineet Kumar , Prashant Shukla