Articles with "two loop" as a keyword



Evaluation of the short-term echocardiographic effects of two loop diuretics, furosemide and torsemide, in a group of dogs.

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Published in 2023 at "Veterinary medicine and science"

DOI: 10.1002/vms3.1129

Abstract: BACKGROUND Two loop diuretics, torsemide and frusemide, can affect the urinary system and consequently the cardiordiovascular haemodynamics in different ways. OBJECTIVES This study compared a number of echocardiographic parameters and systemic arterial blood pressure (ABP)… read more here.

Keywords: loop diuretics; two loop; blood pressure; furosemide torsemide ... See more keywords

Analytic representation of all planar two-loop five-point Master Integrals with one off-shell leg

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Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2021)199

Abstract: We present analytic expressions in terms of polylogarithmic functions for all three families of planar two-loop five-point Master Integrals with one off-shell leg. The calculation is based on the Simplified Differential Equations approach. The results… read more here.

Keywords: planar two; point master; two loop; loop five ... See more keywords

The two-loop coefficient functions for double deeply virtual Compton scattering

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Published in 2024 at "Journal of High Energy Physics"

DOI: 10.1007/jhep01(2025)069

Abstract: Making use of conformal symmetry of large-nf QCD in d = 4 – 2ϵ dimensions at the Wilson-Fischer fixed point, we calculate the two-loop coefficient functions in the operator product expansion of two electromagnetic currents… read more here.

Keywords: coefficient functions; compton; loop coefficient; double deeply ... See more keywords

Two-loop evolution equations for flavor-singlet light-ray operators

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep02(2019)191

Abstract: A bstractQCD in non-integer d = 4 − 2ϵ space-time dimensions enjoys conformal invariance at the special fine-tuned value of the coupling. Counterterms for composite operators in minimal subtraction schemes do not depend on ϵ… read more here.

Keywords: light ray; flavor singlet; evolution equations; two loop ... See more keywords

The two-loop five-particle amplitude in N$$ \mathcal{N} $$ = 8 supergravity

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2019)115

Abstract: A bstractWe compute for the first time the two-loop five-particle amplitude in N$$ \mathcal{N} $$ = 8 supergravity. Starting from the known integrand, we perform an integration-by-parts reduction and express the answer in terms of… read more here.

Keywords: particle amplitude; five particle; two loop; loop five ... See more keywords
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A first look at the function space for planar two-loop six-particle Feynman integrals

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Published in 2022 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2022)056

Abstract: Abstract Two-loop corrections to scattering amplitudes are crucial theoretical input for collider physics. Recent years have seen tremendous advances in computing Feynman integrals, scattering amplitudes, and cross sections for five-particle processes. In this paper, we… read more here.

Keywords: loop six; planar two; feynman integrals; two loop ... See more keywords

Study muon g − 2 at two-loop level in the U(1)XSSM

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Published in 2022 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2022)101

Abstract: Abstract The new experiment data of muon g − 2 is reported by the workers at Fermilab National Accelerator Laboratory (FNAL). Combined with the previous Brookhaven National Laboratory (BNL) E821 result, the departure from the… read more here.

Keywords: physics; loop level; two loop; study muon ... See more keywords

Two-loop perturbative corrections to the constrained effective potential in thermal QCD

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep05(2019)042

Abstract: A bstractIn this paper, we compute the constrained QCD effective potential up to two-loop order with finite quark mass and chemical potential. We present the explicit calculations by using the double line notation and analytical… read more here.

Keywords: effective potential; two loop; constrained qcd; qcd effective ... See more keywords

Analytic form of the planar two-loop five-parton scattering amplitudes in QCD

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep05(2019)084

Abstract: A bstractWe present the analytic form of all leading-color two-loop five-parton helicity amplitudes in QCD. The results are analytically reconstructed from exact numerical evaluations over finite fields. Combining a judicious choice of variables with a… read more here.

Keywords: form; amplitudes qcd; analytic form; five parton ... See more keywords

Two-loop MHV form factors from the periodic Wilson loop

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Published in 2024 at "Journal of High Energy Physics"

DOI: 10.1007/jhep05(2025)209

Abstract: We discuss how to compute maximal-helicity-violating (MHV) form factors for the chiral part of the stress-tensor supermultiplet from periodic light-like polygon Wilson loops in planar N\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$… read more here.

Keywords: usepackage; form factors; two loop; mhv form ... See more keywords

Two-loop integrals for CP-even heavy quarkonium production and decays

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep06(2017)025

Abstract: A bstractBy employing the method of differential equations, we compute the various types of two-loop master integrals involved in CP-even heavy quarkonium exclusive production and decays. All the integrals presented in this paper can be… read more here.

Keywords: heavy quarkonium; two loop; production; even heavy ... See more keywords