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1.
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Four-loop two-mass tadpoles and the $\rho$ parameter
/ Abreu, Samuel (CERN ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Behring, Arnd (CERN) ; McLeod, Andrew J. (CERN ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Page, Ben (CERN ; Gent U.)
We calculate four-loop QCD corrections to the electroweak $\rho$ parameter with a non-vanishing $b$ quark mass. At three loops, it was observed that elliptic integrals contribute to this observable. [...]
arXiv:2407.21700; CERN-TH-2024-129.-
2024-09-17 - 12 p.
- Published in : PoS: LL2024 (2024) , pp. 008
Fulltext: 2407.21700 - PDF; document - PDF;
In : 17th Loops and Legs in Quantum Field Theory (LL 2024), Wittenberg, Germany, 14 - 19 Apr 2024, pp.008
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2.
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QCD corrections to Higgs boson production and $H \to b \bar{b}$ decay in weak boson fusion
/ Asteriadis, Konstantin (Regensburg U.) ; Behring, Arnd (CERN) ; Melnikov, Kirill (KIT, Karlsruhe, TTP) ; Novikov, Ivan (KIT, Karlsruhe, TTP) ; Röntsch, Raoul (INFN, Milan ; Milan U.)
We study QCD corrections to the process where a Higgs boson is produced in weak boson fusion and then decays into a pair of massive $b$ quarks. We find that typical experimental criteria used to identify $b$ jets in this process affect QCD corrections to the decay, making it necessary to account for them in the proper description of this process. [...]
arXiv:2407.09363; TTP24-019; P3H-24-040; CERN-TH-2024-095; TIF-UNIMI-2024-5.-
2024-09-01 - 12 p.
- Published in : Phys. Rev. D 110 (2024) 054017
Fulltext: 2407.09363 - PDF; Publication - PDF;
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3.
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The three-loop single-mass heavy flavor corrections to deep-inelastic scattering
/ Ablinger, J. (Linz U., RISC ; OAW, Linz, RICAM) ; Behring, A. (CERN) ; Blümlein, J. (DESY, Zeuthen ; Dortmund U.) ; De Freitas, A. (Linz U., RISC ; DESY, Zeuthen) ; von Manteuffel, A. (Regensburg U.) ; Schneider, C. (Linz U., RISC) ; Schönwald, K. (Zurich U.)
We report on the status of the calculation of the massive Wilson coefficients and operator matrix elements for deep-inelastic scatterung to three-loop order. We discuss both the unpolarized and the polarized case, for which all the single-mass and nearly all two-mass contributions have been calculated [...]
arXiv:2407.02006; CERN-TH-2024-100; ZU-TH 31/24; RISC Report number 24-04; DESY-24-096.-
2024-09-17 - 12 p.
- Published in : PoS LL2024 (2024) 047
Fulltext: document - PDF; 2407.02006 - PDF;
In : 17th Loops and Legs in Quantum Field Theory (LL 2024), Wittenberg, Germany, 14 - 19 Apr 2024, pp.047
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4.
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The non-first-order-factorizable contributions to the three-loop single-mass operator matrix elements <math altimg="si1.svg"><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math> and <math altimg="si2.svg"><mi mathvariant="normal">Δ</mi><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math>
/ Ablinger, J. (Linz U. ; Linz U., RISC ; OAW, Linz, RICAM) ; Behring, A. (CERN) ; Blümlein, J. (DESY, Zeuthen ; Dortmund U.) ; De Freitas, A. (Linz U. ; Linz U., RISC ; DESY, Zeuthen) ; von Manteuffel, A. (Regensburg U.) ; Schneider, C. (Linz U. ; Linz U., RISC) ; Schönwald, K. (Zurich U.)
The non-first-order-factorizable contributions (The terms 'first-order-factorizable contributions' and 'non-first-order-factorizable contributions' have been introduced and discussed in Refs. \cite{Behring:2023rlq,Ablinger:2023ahe}. [...]
arXiv:2403.00513; ZU-TH-13/24; DO-TH-23/15; RISC Report series 24-02; CERN-TH-2024-30; DESY-24-027.-
2024-05-13 - 8 p.
Fulltext: 2403.00513 - PDF; Publication - PDF;
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5.
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Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report
/ Andersen, J. (Durham U., IPPP) ; Assi, B. (Fermilab) ; Asteriadis, K. (Regensburg U.) ; Azzurri, P. (INFN, Pisa) ; Barone, G. (Brown U.) ; Behring, A. (CERN) ; Benecke, A. (Louvain U., CP3) ; Bhattacharya, S. (Wayne State U.) ; Bothmann, E. (Gottingen U.) ; Caletti, S. (Zurich, ETH) et al.
This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023)..
arXiv:2406.00708 ; DESY-24-076 ; FERMILAB-CONF-24-0620-T.
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53.
Fermilab Library Server - Fulltext - Fulltext
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6.
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7.
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The first-order factorizable contributions to the three-loop massive operator matrix elements $A_{Qg}^{(3)}$ and $\Delta A_{Qg}^{(3)}$
/ Ablinger, J. (Linz U. ; OAW, Linz, RICAM) ; Behring, A. (CERN ; DESY, Zeuthen) ; Blümlein, J. (DESY, Zeuthen) ; De Freitas, A. (Linz U. ; DESY, Zeuthen) ; von Manteuffel, A. (Regensburg U. ; Michigan State U.) ; Schneider, C. (Linz U.) ; Schönwald, K. (Zurich U.)
The unpolarized and polarized massive operator matrix elements $A_{Qg}^{(3)}$ and $\Delta A_{Qg}^{(3)}$ contain first-order factorizable and non-first-order factorizable contributions in the determining difference or differential equations of their master integrals. We compute their first-order factorizable contributions in the single heavy mass case for all contributing Feynman diagrams. [...]
arXiv:2311.00644; DO-TH 23/12; DESY 23-142; CERN-TH-2023-164; MSUHEP-23-025; RISC Report series 23-12; ZU-TH 60/23.-
2024-01-10 - 42 p.
- Published in : Nucl. Phys. B 999 (2024) 116427
Fulltext: 2311.00644 - PDF; Publication - PDF;
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8.
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Recent 3-Loop Heavy Flavor Corrections to Deep-Inelastic Scattering
/ Blümlein, Johannes (DESY, Zeuthen) ; Behring, Arnd (DESY, Zeuthen ; CERN) ; Goedicke, Alexander (DESY, Zeuthen ; Linz U.) ; von Manteuffel, Andreas (Regensburg U. ; Michigan State U.) ; Schneider, Carsten (Linz U.) ; Schönwald, Kay (DESY, Zeuthen ; Zurich U.) ; Ablinger, Jakob (Linz U.) ; De Freitas, Abilio (DESY, Zeuthen ; Linz U.)
We report on recent progress in calculating the three loop QCD corrections of the heavy flavor contributions in deep--inelastic scattering and the massive operator matrix elements of the variable flavor number scheme. Notably we deal with the operator matrix elements $A_{gg,Q}^{(3)}$ and $A_{Qg}^{(3)}$ and technical steps to their calculation. [...]
arXiv:2306.16550; DESY-23-089; DO-TH 23/09; CERN-TH-2023-122; ZU-TH 29/23; RISC Report
Series 23-09; MSUHEP-23-018.-
2023-08-21 - 7 p.
- Published in : PoS: RADCOR2023 (2024) , pp. 046
Fulltext: document - PDF; 2306.16550 - PDF;
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9.
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The inverse Mellin transform via analytic continuation
/ Behring, A. (CERN) ; Blümlein, J. (DESY) ; Schönwald, K. (Zurich U.)
We present a method to calculate the $x$--space expressions of massless or massive operator matrix elements in QCD and QED containing local composite operator insertions, depending on the discrete Mellin index $N$, directly, without computing the Mellin--space expressions in explicit form analytically. Here $N$ belongs either to the even or odd positive integers. [...]
arXiv:2303.05943; DESY 20-053; DESY 20--053; DO-TH 23/01; CERN-TH-2023-020; ZU-TH 13/23; ZU--TH 13/23 13/23.-
2023-06-12 - 43 p.
- Published in : JHEP 2306 (2023) 062
Fulltext: document - PDF; 2303.05943 - PDF;
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10.
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Beam functions for $N$-jettiness at N$^3$LO in perturbative QCD
/ Baranowski, Daniel (Karlsruhe U., TTP ; Zurich U.) ; Behring, Arnd (Karlsruhe U., TTP ; CERN) ; Melnikov, Kirill (Karlsruhe U., TTP) ; Tancredi, Lorenzo (Munich, Tech. U.) ; Wever, Christopher (Munich, Tech. U. ; Unlisted, DE)
We present a calculation of all matching coefficients for $N$-jettiness beam functions at next-to-next-to-next-to-leading order (N$^3$LO) in perturbative quantum chromodynamics (QCD). Our computation is performed starting from the respective collinear splitting kernels, which we integrate using the axial gauge. [...]
arXiv:2211.05722; TTP22-067; P3H-22-108; TUM-HEP-1429/22; CERN-TH-2022-178; ZU-TH
51/22.-
2023-02-07 - 57 p.
- Published in : JHEP 02 (2023) 073
Fulltext: 2211.05722 - PDF; document - PDF;
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