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The ALPS collaboration runs a "light shining through a wall" (LSW) experiment to search for weakly interacting sub-eV particles (WISPs). Its sensitivity is significantly enhanced by the incorporation of a large-scale production resonator…

Optics · Physics 2019-08-13 T. Meier

A problem of great interest in optimization is to minimize a sum of two closed, proper, and convex functions where one is smooth and the other has a computationally inexpensive proximal operator. In this paper we analyze a family of…

Optimization and Control · Mathematics 2017-01-24 Patrick R. Johnstone , Pierre Moulin

We present a derivation of the threshold resummation formula for the Drell-Yan rapidity distribution. Our argument is valid for all values of rapidity and to all orders in perturbative QCD and can be applied to all Drell-Yan processes in a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paolo Bolzoni

We discuss the generalisation of high-energy resummation to rapidity distributions to leading logarithmic accuracy. We test our procedure applying it to Higgs production in gluon-gluon fusion both with finite top mass and in the infinite…

High Energy Physics - Phenomenology · Physics 2011-07-01 Simone Marzani , Fabrizio Caola , Stefano Forte

In this paper two complexity efficient soft sphere-decoder modifications are proposed for computing the max-log LLR values in iterative MIMO systems, which avoid the costly, typically needed, full enumeration and sorting (FES) procedure…

Networking and Internet Architecture · Computer Science 2012-10-05 Konstantinos Nikitopoulos , Dan Zhang , I-Wei Lai , Gerd Ascheid

We present the Fortran95 program Recola for the perturbative computation of next-to-leading-order transition amplitudes in the Standard Model of particle physics. The code provides numerical results in the 't Hooft-Feynman gauge. It uses…

High Energy Physics - Phenomenology · Physics 2017-04-05 Stefano Actis , Ansgar Denner , Lars Hofer , Jean-Nicolas Lang , Andreas Scharf , Sandro Uccirati

The $\nu\bar{\nu}\gamma \gamma$ couplings parametrized with the non-standard dimension-seven operators defined by the Effective Field Theory framework are investigated through the process $pp\to \nu\bar{\nu}\gamma$ at the High…

High Energy Physics - Phenomenology · Physics 2023-04-19 M. Köksal , A. Senol , H. Denizli

The paper examines local approximation errors of finite difference schemes in electromagnetic analysis. Despite a long history of the subject, several accuracy-related issues have been overlooked and/or remain controversial. For example,…

Computational Physics · Physics 2020-03-05 Igor Tsukerman

The naive fermiophobic scenario is unstable under radiative corrections, due to the chiral-symmetry breaking induced by fermion mass terms. In a recent study, the problem of including the radiative corrections has been tackled via an…

High Energy Physics - Phenomenology · Physics 2011-12-30 E. Gabrielli , B. Mele

In this paper, we rigorously study an order 2 scheme that was previously proposed by some of the authors. A slight modification is proposed that enables us to prove the convergence of the scheme while simplifying in the same time the inner…

Numerical Analysis · Mathematics 2015-06-05 François Alouges , Evaggelos Kritsikis , Jutta Steiner , Jean-Christophe Toussaint

We will describe radiative corrections to bremsstrahlung, focusing on applications to luminosity, fermion pair production, and radiative return at high-energy e+ e- colliders. A precise calculation of the Bhabha luminosity process was…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. A. Yost , S. Majhi , B. F. L. Ward

We present first results on the resummation of Next-to-Soft Virtual (NSV) logarithms for the threshold production of pseudoscalar Higgs boson through gluon fusion at the LHC. These results are presented after resumming the NSV logarithms of…

High Energy Physics - Phenomenology · Physics 2022-06-22 Arunima Bhattacharya , M. C. Kumar , Prakash Mathews , V. Ravindran

An approach for an effective computer evaluation of one-loop multi-leg diagrams is proposed. It's main feature is the combined use of several systems - DIANA, FORM and MAPLE. As an application we consider the one-loop correction to Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Jegerlehner , O. Tarasov

Results for the two-loop corrections to the Higgs-boson masses of the MSSM with complex parameters of $\mathcal{O}{\left(\alpha_t^2+\alpha_t\alpha_b+\alpha_b^2\right)}$ from the Yukawa sector in the gauge-less limit are presented. The…

High Energy Physics - Phenomenology · Physics 2018-04-18 Sebastian Paßehr , Georg Weiglein

A one-loop Dyson-Schwinger-like resummation scheme is applied to scalar High-Electric-Charge compact Objects (HECOs), extending previous work on spin-1/2 case. The electromagnetic interactions of HECOs are considered within the framework of…

High Energy Physics - Phenomenology · Physics 2025-04-10 Jean Alexandre , Nick E. Mavromatos , Vasiliki A. Mitsou , Emanuela Musumeci

In order to find quantum corrections to the de Sitter entropy, a new approach to higher loop Feynman integral computations on the sphere is presented. Arbitrary scalar Feynman integrals on a spherical background are brought into the…

High Energy Physics - Theory · Physics 2024-11-26 Bhavya Bandaru

We compute the complete two-loop electroweak corrections to the Higgsstralung process $e^+e^-\rightarrow HZ$ at the future Higgs factory. The Feynman integrals involved in the computation are decomposed into linear combinations of a minimal…

High Energy Physics - Phenomenology · Physics 2023-07-12 Xiang Chen , Xin Guan , Chuan-Qi He , Zhao Li , Xiao Liu , Yan-Qing Ma

Knowledge of the electric field of femtosecond, high intensity laser pulses is of paramount importance to study the interaction of this class of lasers with matter. A novel, hybrid method to reconstruct the laser field from fluence…

Computational Physics · Physics 2023-09-19 Ioaquin Moulanier , Lewis Thomas Dickson , Francesco Massimo , Brigitte Cros

We consider the transverse-momentum (q_T) distribution of generic high-mass systems (lepton pairs, vector bosons, Higgs particles, ....) produced in hadron collisions. At small q_T, we concentrate on the all-order resummation of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Bozzi , S. Catani , D. de Florian , M. Grazzini

In the very near future the first data from LHC will be available. The searches for the Higgs boson and for new physics will require precise predictions both for the signal and the background processes. Tree level calculations typically…

High Energy Physics - Phenomenology · Physics 2009-03-06 Thomas Reiter
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