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Related papers: Data-Driven Predictions for Dark Photon and Millic…

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A dark photon is predicted by several well-motivated Standard Model extensions and UV completions. Here the most general effective field theory up to dimension-six operators describing the interactions of a massless dark photon with all…

High Energy Physics - Phenomenology · Physics 2023-07-13 Alberto Salvio

For the application of MPC design in on-line regulation or tracking control problems, several studies have attempted to develop an accurate model, and realize adequate uncertainty description of linear or non-linear plants of the processes.…

Optimization and Control · Mathematics 2019-04-03 Yuanqiang Zhou , Dewei Li , Yugeng Xi , Zhongxue Gan

Dark photons serve as a portal to connect the dark and standard model sectors. Here, we propose photon-induced exclusive diffractive processes as a new tool to study the production of dark photons in current and future colliders. These…

High Energy Physics - Phenomenology · Physics 2024-10-10 Jan Cepila , Jesús Guillermo Contreras

Radiation of dileptons and photons from high energy nuclear collisions provides information on the space-time evolution of the hot dense matter produced therein. We compute this radiation using relativistic hydrodynamics and a…

Nuclear Theory · Physics 2009-11-07 P. Huovinen , M. Belkacem , P. J. Ellis , J. I. Kapusta

Ultralight dark photons are compelling dark matter candidates, but their allowed kinetic mixing with the Standard Model photon is severely constrained by requiring that the dark photons do not collapse into a cosmic string network in the…

High Energy Physics - Phenomenology · Physics 2025-08-20 David Cyncynates , Zachary J. Weiner

Dark photons (DPs) produced in the early Universe are well-motivated dark matter (DM) candidates. We show that the recently proposed tunable plasma haloscopes are particularly advantageous for DP searches. While in-medium effects suppress…

High Energy Physics - Phenomenology · Physics 2020-08-12 Graciela B. Gelmini , Alexander J. Millar , Volodymyr Takhistov , Edoardo Vitagliano

We present a systematic investigation of lepton pair production through photon-photon fusion processes in heavy-ion collisions. It is demonstrated that the dilepton production at a given impact parameter ($b_\perp$) with a fixed transverse…

High Energy Physics - Phenomenology · Physics 2025-02-17 Yu Shi , Lin Chen , Shu-Yi Wei , Bo-Wen Xiao

We present a data-driven model predictive control (MPC) framework for systems with high state-space dimensionalities. This work is motivated by the need to exploit sensor data that appears in the form of images (e.g., 2D or 3D spatial…

Systems and Control · Electrical Eng. & Systems 2021-05-03 Qiugang Lu , Victor M. Zavala

The leading contribution to the uncertainties of atmospheric neutrino flux calculations arise from the cosmic-ray nucleon flux and the production cross sections of secondary particles in hadron-air interactions. The data-driven model…

High Energy Astrophysical Phenomena · Physics 2022-11-02 Anatoli Fedynitch , Matthias Huber

We study the production of exotic millicharged particles (MCPs) from cosmic ray-atmosphere collisions which constitutes a permanent MCP production source for all terrestrial experiments Our calculation of the MCP flux can be used to…

High Energy Physics - Phenomenology · Physics 2021-01-04 Ryan Plestid , Volodymyr Takhistov , Yu-Dai Tsai , Torsten Bringmann , Alexander Kusenko , Maxim Pospelov

Model Predictive Control (MPC) is effective at generating safe control strategies in constrained scenarios, at the cost of computational complexity. This is especially the case in robots that require high sampling rates and have limited…

We show that new physics can show up in dileptonic events through its radiative contributions to the dilepton invariant mass, leading to unique "monocline" features in $m_{\ell\ell}$, as well as the angular distribution of the leptons. We…

High Energy Physics - Phenomenology · Physics 2015-06-17 Wolfgang Altmannshofer , Patrick J. Fox , Roni Harnik , Graham D. Kribs , Nirmal Raj

The dark photon is a new gauge boson which arises from an extra U'(1) gauge symmetry. In this paper, a novel dark photon production mechanism based on MeV-scale $\gamma$-$\gamma$ collider is considered: $\gamma \gamma \rightarrow \gamma…

High Energy Physics - Phenomenology · Physics 2021-05-25 Xiaorui Wong , Yongsheng Huang

Direct (prompt) photon production is a field of very high interest in hadron colliders. It provides probes to search for new phenomena and to test QCD predictions. In this article, two recent cross-section results for direct photon…

High Energy Physics - Experiment · Physics 2019-08-21 Tingjun Yang

Assuming that cosmological dark matter consists of weakly interacting massive particles, we use the recent precise measurement of cosmological parameters to predict the guaranteed rates of production of such particles in association with…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andreas Birkedal , Konstantin Matchev , Maxim Perelstein

In many state-of-the-art control approaches for power systems with storage units, an explicit model of the storage dynamics is required. With growing numbers of storage units, identifying these dynamics can be cumbersome. This paper employs…

Systems and Control · Electrical Eng. & Systems 2024-07-09 Johannes B. Lipka , Christian A. Hans

Light, beyond-the-standard-model particles $X$ in the 1-100 MeV mass range can be produced in nuclear and hadronic reactions but would have to decay electromagnetically. We show that simple and well-understood low-energy hadronic processes…

High Energy Physics - Phenomenology · Physics 2019-11-13 Chien-Yi Chen , David McKeen , Maxim Pospelov

The electromagnetic emissivity from QCD media away from equilibrium is studied in the framework of closed time path thermal field theory. For the dilepton rate a nonequilibrium mesonic medium is considered applying finite temperature…

High Energy Physics - Phenomenology · Physics 2011-04-15 R. Baier , M. Dirks , K. Redlich

We calculate leading-order medium photon and dilepton yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. In the case of dileptons, at leading-order it is sufficient to take into account non-equilibrium…

High Energy Physics - Phenomenology · Physics 2015-09-15 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland

A global QCD analysis of the direct photon production process from both fixed target and collider experiments is presented. These data sets now completely cover the parton $x$ range from 0.01 to 0.6, thereby providing a stringent test of…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Huston , E. Kovacs , S. Kuhlmann , H. L. Lai , J. F. Owens , W. K. Tung
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