中文
相关论文

相关论文: PCN: A Deep Learning Approach to Jet Tagging Utili…

200 篇论文

We study the effectiveness of theoretically-motivated high-level jet observables in the extreme context of jets with a large number of hard sub-jets (up to $N=8$). Previous studies indicate that high-level observables are powerful,…

高能物理 - 实验 · 物理学 2022-08-24 Yadong Lu , Alexis Romero , Michael James Fenton , Daniel Whiteson , Pierre Baldi

We introduce a jet tagger based on a neural network analyzing the Minkowski Functionals (MFs) of pixellated jet images. The MFs are geometric measures of binary images, and they can be regarded as a generalization of the particle…

高能物理 - 唯象学 · 物理学 2021-08-11 Sung Hak Lim , Mihoko M. Nojiri

Modern machine learning techniques, such as convolutional, recurrent and recursive neural networks, have shown promise for jet substructure at the Large Hadron Collider. For example, they have demonstrated effectiveness at boosted top or W…

高能物理 - 唯象学 · 物理学 2018-10-17 Katherine Fraser , Matthew D. Schwartz

Recently, graph-based models designed for downstream tasks have significantly advanced research on graph neural networks (GNNs). GNN baselines based on neural message-passing mechanisms such as GCN and GAT perform worse as the network…

机器学习 · 计算机科学 2023-01-26 Jiayuan Chen , Xiang Zhang , Yinfei Xu , Tianli Zhao , Renjie Xie , Wei Xu

Jet flavor tagging plays a crucial role in the measurement of relative partial decay widths of $Z$ boson, denoted as $R_b$($R_c$), which is considered as a fundamental test of the Standard Model and sensitive probe to new physics. In this…

高能物理 - 实验 · 物理学 2024-01-23 Libo Liao , Shudong Wang , Weimin Song , Zhaoling Zhang , Gang Li

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

We describe a method to obtain point and dispersion estimates for the energies of jets arising from b quarks produced in proton-proton collisions at an energy of $\sqrt{s} =$ 13 TeV at the CERN LHC. The algorithm is trained on a large…

数据分析、统计与概率 · 物理学 2020-11-09 CMS Collaboration

Sophisticated machine learning techniques have promising potential in search for physics beyond Standard Model in Large Hadron Collider (LHC). Convolutional neural networks (CNN) can provide powerful tools for differentiating between…

高能物理 - 唯象学 · 物理学 2019-12-17 Biplob Bhattacherjee , Swagata Mukherjee , Rhitaja Sengupta

Efficient modeling of jet diffusion during accidental release is critical for operation and maintenance management of hydrogen facilities. Deep learning has proven effective for concentration prediction in gas jet diffusion scenarios.…

计算工程、金融与科学 · 计算机科学 2023-09-06 Xinqi Zhang , Jihao Shi , Junjie Li , Xinyan Huang , Fu Xiao , Qiliang Wang , Asif Sohail Usmani , Guoming Chen

Jets produced in high-energy heavy-ion collisions are modified compared to those in proton-proton collisions due to their interaction with the deconfined, strongly-coupled quark-gluon plasma (QGP). In this work, we employ machine learning…

高能物理 - 唯象学 · 物理学 2022-10-17 Yue Shi Lai , James Mulligan , Mateusz Płoskoń , Felix Ringer

Jet modification in heavy-ion collisions provides microscopic access to the properties of the quark-gluon plasma. However, conventional approaches based on traditional global observables, such as \(R_{AA}\), capture limited information…

高能物理 - 唯象学 · 物理学 2026-04-24 Leonardo Lima da Silva , Marcelo Gameiro Munhoz

Higgsinos near the TeV mass range are highly motivated as they offer an elegant solution to the naturalness problem in the Standard Model. Extensive searches for such higgsinos within the framework of General Gauge Mediation (GGM) have been…

高能物理 - 唯象学 · 物理学 2025-01-14 Rameswar Sahu , Debabrata Sahoo , Kirtiman Ghosh

Deep learning techniques have shown the capability to identify the degree of energy loss of high-energy jets traversing hot QCD medium on a jet-by-jet basis. The average amount of quenching of quark and gluon jets in hot QCD medium actually…

高能物理 - 唯象学 · 物理学 2022-04-04 Yi-Lun Du , Daniel Pablos , Konrad Tywoniuk

This paper presents a deep learning approach for the classification of Engineering (CAD) models using Convolutional Neural Networks (CNNs). Owing to the availability of large annotated datasets and also enough computational power in the…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Bharadwaj Manda , Pranjal Bhaskare , Ramanathan Muthuganapathy

We introduce a novel approach to jet tagging and classification through the use of techniques inspired by computer vision. Drawing parallels to the problem of facial recognition in images, we define a jet-image using calorimeter towers as…

高能物理 - 唯象学 · 物理学 2015-09-09 Josh Cogan , Michael Kagan , Emanuel Strauss , Ariel Schwartzman

Deep neural networks trained on jet images have been successful in classifying different kinds of jets. In this paper, we identify the crucial physics features that could reproduce the classification performance of the convolutional neural…

高能物理 - 唯象学 · 物理学 2020-08-20 Amit Chakraborty , Sung Hak Lim , Mihoko M. Nojiri , Michihisa Takeuchi

Graph, as an important data representation, is ubiquitous in many real world applications ranging from social network analysis to biology. How to correctly and effectively learn and extract information from graph is essential for a large…

机器学习 · 计算机科学 2020-10-27 Xiaodong Jiang , Ronghang Zhu , Pengsheng Ji , Sheng Li

Designing model-independent anomaly detection algorithms for analyzing LHC data remains a central challenge in the search for new physics, due to the high dimensionality of collider events. In this work, we develop a graph autoencoder as an…

高能物理 - 唯象学 · 物理学 2025-06-26 Jack Y. Araz , Dimitrios Athanasakos , Mateusz Ploskon , Felix Ringer

Jet clustering is traditionally an unsupervised learning task because there is no unique way to associate hadronic final states with the quark and gluon degrees of freedom that generated them. However, for uncolored particles like $W$, $Z$,…

高能物理 - 唯象学 · 物理学 2020-10-21 Xiangyang Ju , Benjamin Nachman

Jets of collimated particles serve a multitude of purposes in high energy collisions. Recently, studies of jet interaction with the quark-gluon plasma (QGP) created in high energy heavy ion collisions are of growing interest, particularly…

高能物理 - 唯象学 · 物理学 2021-03-24 Jana Bielčíková , Raghav Kunnawalkam Elayavalli , Georgy Ponimatkin , Jörn H. Putschke , Josef Sivic