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We consider laboratory experiments that can detect stable, neutral strongly interacting massive particles (SIMPs). We explore the SIMP annihilation cross section from its minimum value (restricted by cosmological bounds) to the barn range,…

高能物理 - 唯象学 · 物理学 2016-09-06 Vigdor L. Teplitz , Rabindra N. Mohapatra , Fred Olness , Ryszard Stroynowski

For supersymmetric extensions of the Standard Model with light sgoldstinos - scalar and pseudoscalar superparthners of goldstino - we estimate the signal rate anticipated at the lately proposed fixed target experiment SHiP utilizing CERN…

高能物理 - 唯象学 · 物理学 2016-04-21 K. O. Astapov , D. S. Gorbunov

We consider laboratory experiments that can detect stable, neutral strongly interacting massive particles (SIMPs). We explore the SIMP annihilation cross section from its minimum value (restricted by cosmological bounds) to the barn range,…

高能物理 - 唯象学 · 物理学 2016-08-25 R. N. Mohapatra , F. Olness , R. Stroynowski , V. L. Teplitz

Fluid flow around a random distribution of stationary spherical particles is a problem of substantial importance in the study of dispersed multiphase flows. In this paper we present a machine learning methodology using Generative…

流体动力学 · 物理学 2021-11-02 B. Siddani , S. Balachandar , W. C. Moore , Y. Yang , R. Fang

The generative adversarial network (GAN) is one of the most widely used deep generative models for synthesizing high-quality images with the same statistics as the training set. Finite element method (FEM) based property prediction often…

材料科学 · 物理学 2025-07-03 Owais Ahmad , Vishal Panwar , Kaushik Das , Rajdip Mukherjee , Somnath Bhowmick

Despite the undeniable success of the Standard Model of particle physics (SM) there are some phenomena (neutrino oscillations, baryon asymmetry of the Universe, dark matter, etc.) that SM cannot explain. These phenomena indicate that the SM…

高能物理 - 唯象学 · 物理学 2019-11-22 Volodymyr M. Gorkavenko

Simulations of the dark matter distribution throughout the Universe are essential in order to analyse data from cosmological surveys. $N$-body simulations are computationally expensive, and many cheaper alternatives (such as lognormal…

宇宙学与河外天体物理 · 物理学 2025-01-07 Prabh Bhambra , Benjamin Joachimi , Ofer Lahav , Davide Piras

Accelerator-based experiments reliant on charged pion and kaon decays to produce muon-neutrino beams also deliver an associated powerful flux of muons. Therefore, these experiments can additionally be sensitive to light new particles that…

高能物理 - 唯象学 · 物理学 2023-11-21 Cari Cesarotti , Yonatan Kahn , Gordan Krnjaic , Duncan Rocha , Joshua Spitz

Extensive air showers produce high-energy muons that can be utilized to probe hadronic interaction models in cosmic ray interactions. Most muons originate from pion and kaon decays, called $\textit{conventional}$ muons, while a smaller…

We develop a potential algorithm to relate the depth development of ultra high energy extensive air showers and the time delay for individual muons. The time distributions sampled at different positions at ground level by a large air shower…

天体物理学 · 物理学 2009-11-10 L. Cazon , R. A. Vazquez , E. Zas

We have experimentally demonstrated the first non-intrusive 1-GeV proton beam extraction for the generation of muons with a temporal structure optimized for Muon Spin Relaxation/Rotation/Resonance (MuSR) applications. The proton pulses are…

加速器物理 · 物理学 2020-04-15 Yun Liu , Abdurahim Rakhman , Cary D. Long , Yuan Liu , Travis J. Williams

Simulations of particle showers in calorimeters are computationally time-consuming, as they have to reproduce both energy depositions and their considerable fluctuations. A new approach to ultra-fast simulations are generative models where…

仪器与探测器 · 物理学 2020-02-05 Martin Erdmann , Jonas Glombitza , Thorben Quast

We leverage physics-embedded differentiable graph network simulators (GNS) to accelerate particulate and fluid simulations to solve forward and inverse problems. GNS represents the domain as a graph with particles as nodes and learned…

地球物理 · 物理学 2023-09-26 Krishna Kumar , Yongjin Choi

Muon Colliders offer fantastic opportunities to explore new phenomena at the energy frontier. However, beam-induced-backgrounds from muon decays pose significant challenges for detector design, readout, and reconstruction. Previous detector…

高能物理 - 实验 · 物理学 2025-12-12 Mira Littmann , Mark Larson , Benjamin Rosser , Tate Flicker , Kane Huang , Leo Rozanov , Karri Folan Di Petrillo

We address the problem of finding realistic geometric corrections to a foreground object such that it appears natural when composited into a background image. To achieve this, we propose a novel Generative Adversarial Network (GAN)…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Chen-Hsuan Lin , Ersin Yumer , Oliver Wang , Eli Shechtman , Simon Lucey

The stopping of baryons in heavy ion collisions at beam momenta of $p_{\rm lab} = 20-160A$ GeV is lacking a quantitative description within theoretical calculations. Heavy ion reactions at these energies are experimentally explored at the…

核理论 · 物理学 2020-03-10 Justin Mohs , Sangwook Ryu , Hannah Elfner

A number of extensions of the Standard Model predict the existence of new light, weakly-coupled particles that couple to the visible sector through higher-dimensional operators containing one or two photons, suppressed by a high new physics…

高能物理 - 唯象学 · 物理学 2024-08-30 Krzysztof Jodłowski

The need for large-scale production of highly accurate simulated event samples for the extensive physics programme of the ATLAS experiment at the Large Hadron Collider motivates the development of new simulation techniques. Building on the…

高能物理 - 实验 · 物理学 2024-04-18 ATLAS Collaboration

Magnetic resonance imaging (MRI) is being increasingly utilized to assess, diagnose, and plan treatment for a variety of diseases. The ability to visualize tissue in varied contrasts in the form of MR pulse sequences in a single scan…

图像与视频处理 · 电气工程与系统科学 2019-10-03 Anmol Sharma , Ghassan Hamarneh

We propose a new approach to train the Generative Adversarial Nets (GANs) with a mixture of generators to overcome the mode collapsing problem. The main intuition is to employ multiple generators, instead of using a single one as in the…

机器学习 · 计算机科学 2017-10-31 Quan Hoang , Tu Dinh Nguyen , Trung Le , Dinh Phung