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We study inverse problems consisting on determining medium properties using the responses to probing waves from the machine learning point of view. Based on the understanding of propagation of waves and their nonlinear interactions, we…

偏微分方程分析 · 数学 2018-11-12 Gunther Uhlmann , Yiran Wang

Using deep neural networks for identifying physics objects at the Large Hadron Collider (LHC) has become a powerful alternative approach in recent years. After successful training of deep neural networks, examining the trained networks not…

高能物理 - 唯象学 · 物理学 2023-01-23 Taoli Cheng

Currently, newly developed artificial intelligence techniques, in particular convolutional neural networks, are being investigated for use in data-processing and classification of particle physics collider data. One such challenging task is…

高能物理 - 实验 · 物理学 2020-12-07 Jason Sang Hun Lee , Inkyu Park , Ian James Watson , Seungjin Yang

We apply both cut-based and machine learning techniques using the same inputs to the challenge of hadronic jet substructure recognition, utilizing classical subjettiness variables within the Delphes parameterized detector simulation…

高能物理 - 唯象学 · 物理学 2024-10-21 Jiří Kvita , Petr Baroň , Monika Machalová , Radek Přívara , Rostislav Vodák , Jan Tomeček

Building on the notion of a particle physics detector as a camera and the collimated streams of high energy particles, or jets, it measures as an image, we investigate the potential of machine learning techniques based on deep learning…

高能物理 - 唯象学 · 物理学 2017-01-24 Luke de Oliveira , Michael Kagan , Lester Mackey , Benjamin Nachman , Ariel Schwartzman

Applications of neural networks to condensed matter physics are becoming popular and beginning to be well accepted. Obtaining and representing the ground and excited state wave functions are examples of such applications. Another…

无序系统与神经网络 · 物理学 2019-12-30 Tomi Ohtsuki , Tomohiro Mano

The unitarization of the longitudinal vector boson scattering (VBS) cross section by the Higgs boson is a fundamental prediction of the Standard Model which has not been experimentally verified. One of the most promising ways to measure VBS…

高能物理 - 唯象学 · 物理学 2016-06-01 Jacob Searcy , Lillian Huang , Marc-André Pleier , Junjie Zhu

Studying the longitudinally polarized fraction of $W^\pm W^\pm$ scattering at the LHC is crucial to examine the unitarization mechanism of the vector boson scattering amplitude through Higgs and possible new physics. We apply here for the…

高能物理 - 唯象学 · 物理学 2019-02-19 Junho Lee , Nicolas Chanon , Andrew Levin , Jing Li , Meng Lu , Qiang Li , Yajun Mao

Recent literature on deep neural networks for tagging of highly energetic jets resulting from top quark decays has focused on image based techniques or multivariate approaches using high-level jet substructure variables. Here, a sequential…

高能物理 - 实验 · 物理学 2017-08-10 Jannicke Pearkes , Wojciech Fedorko , Alison Lister , Colin Gay

A convolutional neural network-based classifier is elaborated to retrace the initial orientation of deformed nucleus-nucleus collisions by integrating multiple typical experimental observables. The isospin-dependent…

核理论 · 物理学 2023-12-08 Zu-Xing Yang , Xiao-Hua Fan , Zhi-Pan Li , Shunji Nishimura

Pooling is a simple but essential layer in modern deep CNN architectures for feature aggregation and extraction. Typical CNN design focuses on the conv layers and activation functions, while leaving the pooling layers with fewer options. We…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Bor-Shiun Wang , Jun-Wei Hsieh , Ming-Ching Chang , Ping-Yang Chen , Lipeng Ke , Siwei Lyu

We present the first extraction of transverse-momentum-dependent distributions of unpolarised quarks from experimental Drell-Yan data using neural networks to parametrise their nonperturbative part. We show that neural networks outperform…

Deep learning can be used to extract meaningful results from images. In this paper, we used convolutional neural networks combined with recurrent neural networks on images of plasmonic structures and extract absorption data form them. To…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Iman Sajedian , Jeonghyun Kim , Junsuk Rho

A method is proposed for distinguishing highly boosted hadronically decaying W's (W-jets) from QCD-jets using jet substructure. Previous methods, such as the filtering/mass-drop method, can give a factor of ~2 improvement in S/sqrt(B) for…

高能物理 - 唯象学 · 物理学 2011-05-12 Yanou Cui , Zhenyu Han , Matthew D. Schwartz

A tagging algorithm to identify jets that are significantly displaced from the proton-proton (pp) collision region in the CMS detector at the LHC is presented. Displaced jets can arise from the decays of long-lived particles (LLPs), which…

高能物理 - 实验 · 物理学 2020-10-16 CMS Collaboration

We make the connection between certain deep learning architectures and the renormalisation group explicit in the context of QCD by using a deep learning network to construct a toy parton shower model. The model aims to describe…

高能物理 - 唯象学 · 物理学 2018-12-26 James William Monk

A key question for machine learning approaches in particle physics is how to best represent and learn from collider events. As an event is intrinsically a variable-length unordered set of particles, we build upon recent machine learning…

高能物理 - 唯象学 · 物理学 2020-04-17 Patrick T. Komiske , Eric M. Metodiev , Jesse Thaler

Jet flavour tagging is crucial in experimental high-energy physics. A tagging algorithm, DeepJetTransformer, is presented, which exploits a transformer-based neural network that is substantially faster to train than state-of-the-art graph…

高能物理 - 实验 · 物理学 2025-02-11 Freya Blekman , Florencia Canelli , Alexandre De Moor , Kunal Gautam , Armin Ilg , Anna Macchiolo , Eduardo Ploerer

An important aspect of the study of Quark-Gluon Plasma (QGP) in ultra-relativistic collisions of heavy ions is the ability to identify, in experimental data, a subset of the jets that were strongly modified by the interaction with the QGP.…

高能物理 - 唯象学 · 物理学 2021-12-01 L. Apolinário , N. F. Castro , M. Crispim Romão , J. G. Milhano , R. Pedro , F. C. R. Peres

A novel deep neural network classifier, a ``Particle transformer'' (PaRT), is introduced for the identification of highly Lorentz-boosted resonances reconstructed as single, multipronged jets in measurements and searches performed by the…

高能物理 - 实验 · 物理学 2026-04-14 CMS Collaboration