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Pitt ID: AFREITAS

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Employment (6)

University of Pittsburgh: Pittsburgh, PA, US

2022-08 to present | Professor
Employment
Source: Self-asserted source
Ayres Freitas

University of Pittsburgh: Pittsburgh, PA, US

2014-08 to 2022-07 | Associate Professor
Employment
Source: Self-asserted source
Ayres Freitas

University of Pittsburgh: Pittsburgh, PA, US

2008-01 to 2014-07 | Assistant Professor
Employment
Source: Self-asserted source
Ayres Freitas

The University of Chicago: Chicago, IL, US

2007-10 to 2007-12 | Research Associate
Employment
Source: Self-asserted source
Ayres Freitas

University of Zurich: Zurich, CH

2005-10 to 2007-09 | Postoctoral Fellow
Employment
Source: Self-asserted source
Ayres Freitas

Fermi National Accelerator Laboratory: Batavia, IL, US

2002-10 to 2005-09 | Research Associate
Employment
Source: Self-asserted source
Ayres Freitas

Education and qualifications (2)

Karlsruhe University: Karlsruhe, DE

1995-10 to present | Physik Diplom
Education
Source: Self-asserted source
Ayres Freitas

Universität Hamburg: Hamburg, DE

2000-01 to 2002-07 | Doctor of Natural Sciences (Dr. rer. nat.)
Education
Source: Self-asserted source
Ayres Freitas

Works (50 of 166)

Items per page:
Page 1 of 4

Fermionic electroweak NNLO corrections to e+e-\textrightarrowZH with polarized beams and different renormalization schemes

Phys. Rev. D
2023 | Journal article
DOI: 10.1103/PhysRevD.108.053006
Contributors: Freitas, Ayres; Song, Qian; Xie, Keping
Source: Self-asserted source
Ayres Freitas

Two-Loop Electroweak Corrections with Fermion Loops to e+e-\textrightarrowZH

Phys. Rev. Lett.
2023 | Journal article
DOI: 10.1103/PhysRevLett.130.031801
Contributors: Freitas, Ayres; Song, Qian
Source: Self-asserted source
Ayres Freitas

Evaluation of multiloop multiscale Feynman integrals for precision physics

Phys. Rev. D
2022 | Journal article
DOI: 10.1103/PhysRevD.106.L111301
Contributors: Dubovyk, Ievgen; Freitas, Ayres; Gluza, Janusz; Grzanka, Krzysztof; Hidding, Martijn; Usovitsch, Johann
Source: Self-asserted source
Ayres Freitas

Hadronic effects in Møller scattering at NNLO

JHEP
2022 | Journal article
DOI: 10.1007/JHEP08(2022)183
Contributors: Erler, Jens; Ferro-Hernández, Rodolfo; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Leading fermionic three-loop corrections to W-boson mass and Z-pole observables

SciPost Phys. Proc.
2022 | Journal article
DOI: 10.21468/SciPostPhysProc.7.019
Contributors: Chen, Lisong; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Review of Particle Physics

PTEP
2022 | Journal article
DOI: 10.1093/ptep/ptac097
Contributors: Workman, R. L.; others
Source: Self-asserted source
Ayres Freitas

GRIFFIN: A C++ library for electroweak radiative corrections in fermion scattering and decay processes

2022-11 | Journal article
Contributors: Chen, Lisong; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

The Future of US Particle Physics - The Snowmass 2021 Energy Frontier Report

2022-11 | Journal article
Contributors: Narain, Meenakshi; others
Source: Self-asserted source
Ayres Freitas

TF07 Snowmass Report: Theory of Collider Phenomena

2022-10 | Journal article
Contributors: Maltoni, F.; others
Source: Self-asserted source
Ayres Freitas

Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021

2022-09 | Journal article
Contributors: Belloni, Alberto; others
Source: Self-asserted source
Ayres Freitas

The International Linear Collider: Report to Snowmass 2021

2022-03 | Journal article
Contributors: Aryshev, Alexander; others
Source: Self-asserted source
Ayres Freitas

The REDTOP experiment: Rare $η/η^\prime$ Decays To Probe New Physics

2022-03 | Journal article
Contributors: Elam, J.; others
Source: Self-asserted source
Ayres Freitas

Electroweak precision pseudo-observables at the $e^+e^−$ Z-resonance peak

PoS
2021 | Journal article
DOI: 10.22323/1.390.0663
Contributors: Dubovyk, Ievgen; Freitas, Ayres; Gluza, Janusz; Grzanka, Krzysztof; Riemann, Tord; Usovitsch, Johann
Source: Self-asserted source
Ayres Freitas

Mixed EW-QCD leading fermionic three-loop corrections at $\mathcalO(α_sα^2)$ to electroweak precision observables

JHEP
2021 | Journal article
DOI: 10.1007/JHEP03(2021)215
Contributors: Chen, Lisong; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

On the evaluation of two-loop electroweak box diagrams for $e^+e^- \to HZ$ production

JHEP
2021 | Journal article
DOI: 10.1007/JHEP04(2021)179
Contributors: Song, Qian; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Parity-Violating Møller Scattering at Next-to-Next-to-Leading Order: Closed Fermion Loops

Phys. Rev. Lett.
2021 | Journal article
DOI: 10.1103/PhysRevLett.126.131801
Contributors: Du, Yong; Freitas, Ayres; Patel, Hiren H.; Ramsey-Musolf, Michael J.
Source: Self-asserted source
Ayres Freitas

Precision Tests of the Standard Model

PoS
2021 | Journal article
DOI: 10.22323/1.388.0005
Contributors: Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Renormalizable models of flavor-specific scalars

Phys. Rev. D
2021 | Journal article
DOI: 10.1103/PhysRevD.104.115032
Contributors: Batell, Brian; Freitas, Ayres; Ismail, Ahmed; McKeen, David; Rai, Mudit
Source: Self-asserted source
Ayres Freitas

Theory Needs for Future \(e^+e^-\) Colliders

Acta Phys. Polon. B
2021 | Journal article
DOI: 10.5506/APhysPolB.52.929
Contributors: Freitas, A.
Source: Self-asserted source
Ayres Freitas

Electroweak input parameters

2021-11 | Journal article
Contributors: Brivio, Ilaria; Dawson, Sally; de Blas, Jorge; Durieux, Gauthier; Savard, Pierre; Denner, Ansgar; Freitas, Ayres; Hays, Chris; Pecjak, Ben; Vicini, Alessandro
Source: Self-asserted source
Ayres Freitas

Leading fermionic three-loop corrections to electroweak precision observables

JHEP
2020 | Journal article
DOI: 10.1007/JHEP07(2020)210
Contributors: Chen, Lisong; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Review of Particle Physics

PTEP
2020 | Journal article
DOI: 10.1093/ptep/ptaa104
Contributors: Zyla, P. A.; others
Source: Self-asserted source
Ayres Freitas

TVID 2: Evaluation of planar-type three-loop self-energy integrals with arbitrary masses

JHEP
2020 | Journal article
DOI: 10.1007/JHEP01(2020)024
Contributors: Bauberger, Stefan; Freitas, Ayres; Wiegand, Daniel
Source: Self-asserted source
Ayres Freitas

Electroweak pseudo-observables and Z-boson form factors at two-loop accuracy

JHEP
2019 | Journal article
DOI: 10.1007/JHEP08(2019)113
Contributors: Dubovyk, Ievgen; Freitas, Ayres; Gluza, Janusz; Riemann, Tord; Usovitsch, Johann
Source: Self-asserted source
Ayres Freitas

FCC Physics Opportunities: Future Circular Collider Conceptual Design Report Volume 1

Eur. Phys. J. C
2019 | Journal article
DOI: 10.1140/epjc/s10052-019-6904-3
Contributors: Abada, A.; others
Source: Self-asserted source
Ayres Freitas

FCC-ee: The Lepton Collider: Future Circular Collider Conceptual Design Report Volume 2

Eur. Phys. J. ST
2019 | Journal article
DOI: 10.1140/epjst/e2019-900045-4
Contributors: Abada, A.; others
Source: Self-asserted source
Ayres Freitas

FCC-hh: The Hadron Collider: Future Circular Collider Conceptual Design Report Volume 3

Eur. Phys. J. ST
2019 | Journal article
DOI: 10.1140/epjst/e2019-900087-0
Contributors: Abada, A.; others
Source: Self-asserted source
Ayres Freitas

HE-LHC: The High-Energy Large Hadron Collider: Future Circular Collider Conceptual Design Report Volume 4

Eur. Phys. J. ST
2019 | Journal article
DOI: 10.1140/epjst/e2019-900088-6
Contributors: Abada, A.; others
Source: Self-asserted source
Ayres Freitas

Probing Light Dark Matter with a Hadrophilic Scalar Mediator

Phys. Rev. D
2019 | Journal article
DOI: 10.1103/PhysRevD.100.095020
Contributors: Batell, Brian; Freitas, Ayres; Ismail, Ahmed; Mckeen, David
Source: Self-asserted source
Ayres Freitas

Theoretical uncertainties for electroweak and Higgs-boson precision measurements at FCC-ee

2019-06 | Journal article
Contributors: Freitas, A.; others
Source: Self-asserted source
Ayres Freitas

Theory Requirements and Possibilities for the FCC-ee and other Future High Energy and Precision Frontier Lepton Colliders

2019-01 | Journal article
Contributors: Blondel, Alain; Freitas, Ayres; Gluza, Janusz; Riemann, Tord; Heinemeyer, Sven; Jadach, Stanislaw; Janot, Patrick
Source: Self-asserted source
Ayres Freitas

Complete electroweak two-loop corrections to Z boson production and decay

Phys. Lett. B
2018 | Journal article
DOI: 10.1016/j.physletb.2018.06.037
Contributors: Dubovyk, Ievgen; Freitas, Ayres; Gluza, Janusz; Riemann, Tord; Usovitsch, Johann
Source: Self-asserted source
Ayres Freitas

Flavor-specific scalar mediators

Phys. Rev. D
2018 | Journal article
DOI: 10.1103/PhysRevD.98.055026
Contributors: Batell, Brian; Freitas, Ayres; Ismail, Ahmed; Mckeen, David
Source: Self-asserted source
Ayres Freitas

Radiative corrections to masses and couplings in Universal Extra Dimensions

JHEP
2018 | Journal article
DOI: 10.1007/JHEP03(2018)093
Contributors: Freitas, Ayres; Kong, Kyoungchul; Wiegand, Daniel
Source: Self-asserted source
Ayres Freitas

Renormalization and ultraviolet sensitivity of gauge vertices in universal extra dimensions

JHEP
2018 | Journal article
DOI: 10.1007/JHEP08(2018)094
Contributors: Freitas, Ayres; Wiegand, Daniel
Source: Self-asserted source
Ayres Freitas

Review of Particle Physics

Phys. Rev. D
2018 | Journal article
DOI: 10.1103/PhysRevD.98.030001
Contributors: Tanabashi, M.; others
Source: Self-asserted source
Ayres Freitas

CEPC Conceptual Design Report: Volume 2 - Physics & Detector

2018-11 | Journal article
Contributors: Dong, Mingyi; others; Guimarães da Costa, João Barreiro; others
Source: Self-asserted source
Ayres Freitas

Standard model theory for the FCC-ee Tera-Z stage

Mini Workshop on Precision EW and QCD Calculations for the FCC Studies : Methods and Techniques
2018-09 | Conference paper
DOI: 10.23731/CYRM-2019-003
Contributors: Blondel, A.; others
Source: Self-asserted source
Ayres Freitas

Elastic scattering, inelastic excitation, and neutron transfer for Li7+Sn120 at energies around the Coulomb barrier

Phys. Rev. C
2017 | Journal article
DOI: 10.1103/PhysRevC.95.064614
Contributors: Zagatto, V. A. B.; others
Source: Self-asserted source
Ayres Freitas

Electroweak Bosonic 2-loop Corrections to the $Z$-pole Precision Observables

Acta Phys. Polon. B
2017 | Journal article
DOI: 10.5506/APhysPolB.48.2321
Contributors: Dubovyk, I.; Freitas, A.; Gluza, J.; Riemann, T.; Usovitsch, J.
Source: Self-asserted source
Ayres Freitas

QCD corrections to massive color-octet vector boson pair production

JHEP
2017 | Journal article
DOI: 10.1007/JHEP09(2017)058
Contributors: Freitas, Ayres; Wiegand, Daniel
Source: Self-asserted source
Ayres Freitas

TVID: Three-loop Vacuum Integrals from Dispersion relations

2017-02 | Journal article
Contributors: Bauberger, Stefan; Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

30 years, some 700 integrals, and 1 dessert, or: Electroweak two-loop corrections to the Z$\bar b$b vertex

PoS
2016 | Journal article
DOI: 10.22323/1.260.0075
Contributors: Dubovyk, I.; Freitas, A.; Gluza, J.; Riemann, T.; Usovitsch, J.
Source: Self-asserted source
Ayres Freitas

Elastic and inelastic angular distributions of the $^7$Li+$^120$Sn system for energies near the Coulomb barrier

J. Phys. G
2016 | Journal article
DOI: 10.1088/0954-3899/43/5/055103
Contributors: Zagatto, V. A. B.; others
Source: Self-asserted source
Ayres Freitas

Numerical multi-loop integrals and applications

Prog. Part. Nucl. Phys.
2016 | Journal article
DOI: 10.1016/j.ppnp.2016.06.004
Contributors: Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Pushing Higgs Effective Theory to its Limits

Phys. Rev. D
2016 | Journal article
DOI: 10.1103/PhysRevD.93.075014
Contributors: Brehmer, Johann; Freitas, Ayres; Lopez-Val, David; Plehn, Tilman
Source: Self-asserted source
Ayres Freitas

Review of Particle Physics

Chin. Phys. C
2016 | Journal article
DOI: 10.1088/1674-1137/40/10/100001
Contributors: Patrignani, C.; others
Source: Self-asserted source
Ayres Freitas

The two-loop electroweak bosonic corrections to $\sin^2θ^\textrmb_\textrmeff$

Phys. Lett. B
2016 | Journal article
DOI: 10.1016/j.physletb.2016.09.012
Contributors: Dubovyk, Ievgen; Freitas, Ayres; Gluza, Janusz; Riemann, Tord; Usovitsch, Johann
Source: Self-asserted source
Ayres Freitas

Three-loop vacuum integrals with arbitrary masses

JHEP
2016 | Journal article
DOI: 10.1007/JHEP11(2016)145
Contributors: Freitas, Ayres
Source: Self-asserted source
Ayres Freitas

Understanding electroweak physics in the Standard Model and beyond

Nucl. Part. Phys. Proc.
2016 | Journal article
DOI: 10.1016/j.nuclphysbps.2015.09.004
Contributors: Freitas, A.; Aguilar-Beńıtez, M; Fuster, J; Mart́ı-Garćıa, S; Santamaŕıa, A
Source: Self-asserted source
Ayres Freitas
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