Articles with "two loop" as a keyword



Photo from wikipedia

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

Sign Up to like & get
recommendations!
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
Photo from wikipedia

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

Sign Up to like & get
recommendations!
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
Photo by neom from unsplash

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

Sign Up to like & get
recommendations!
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
Photo from wikipedia

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

Sign Up to like & get
recommendations!
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
Photo from wikipedia

A first look at the function space for planar two-loop six-particle Feynman integrals

Sign Up to like & get
recommendations!
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
Photo from wikipedia

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

Sign Up to like & get
recommendations!
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
Photo by apchf from unsplash

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

Sign Up to like & get
recommendations!
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
Photo by kmuza from unsplash

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

Sign Up to like & get
recommendations!
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
Photo from wikipedia

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

Sign Up to like & get
recommendations!
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
Photo from wikipedia

Two-loop QCD penguin contribution to the width difference in Bs − $$ {\overline{B}}_s $$ mixing

Sign Up to like & get
recommendations!
Published in 2021 at "Journal of High Energy Physics"

DOI: 10.1007/jhep07(2021)043

Abstract: Abstract We consider two-loop QCD corrections to the element $$ {\Gamma}_{12}^q $$ Γ 12 q of the decay matrix in Bq−$$ {\overline{B}}_q $$ B ¯ q mixing, q = d, s, in the leading power… read more here.

Keywords: width difference; overline mixing; loop qcd; two loop ... See more keywords
Photo by apchf from unsplash

Two-loop superstring five-point amplitudes. Part I. Construction via chiral splitting and pure spinors

Sign Up to like & get
recommendations!
Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep08(2020)135

Abstract: The full two-loop amplitudes for five massless states in Type II and Heterotic superstrings are constructed in terms of convergent integrals over the genus-two moduli space of compact Riemann surfaces and integrals of Green functions… read more here.

Keywords: loop superstring; two loop; pure; construction ... See more keywords