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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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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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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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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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The unpolarized and polarized single-mass three-loop heavy flavor operator matrix elements A$_{gg,Q}$ and ∆A$_{gg,Q}$
/ Ablinger, J. (Linz U., RISC) ; Behring, A. (DESY, Zeuthen ; CERN) ; Blümlein, J. (DESY, Zeuthen) ; De Freitas, A. (Linz U., RISC ; DESY, Zeuthen) ; Goedicke, A. (DESY, Zeuthen) ; von Manteuffel, A. (Michigan State U.) ; Schneider, C. (Linz U., RISC) ; Schönwald, K. (DESY, Zeuthen ; Zurich U.)
We calculate the gluonic massive operator matrix elements in the unpolarized and polarized cases, $A_{gg,Q}(x,\mu^2)$ and $\Delta A_{gg,Q}(x,\mu^2)$, at three-loop order for a single mass. These quantities contribute to the matching of the gluon distribution in the variable flavor number scheme. [...]
arXiv:2211.05462; DESY 15-112; DO-TH 22/26; CERN-TH-2022-179; ZU-TH 53/22; RISC Report
Series 22-25; MSUHEP-22-036.-
2022-12-22
- Published in : JHEP 2212 (2022) 134
Fulltext: 2211.05462 - PDF; document - PDF;
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6.
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TF07 Snowmass Report: Theory of Collider Phenomena
/ Maltoni, F. (Louvain U., CP3 ; INFN, Bologna ; U. Bologna, DIFA) ; Su, S. (Arizona U.) ; Thaler, J. (MIT, Cambridge, CTP ; IAIFI, Cambridge ; Harvard U.) ; Aarrestad, T.K. (CERN) ; Aboubrahim, A. (Munster U., ITP) ; Adhikari, S. (Kansas U. ; Johns Hopkins U.) ; Agapov, I. (DESY) ; Agashe, K. (Maryland U.) ; Agrawal, P. (Oxford U., Theor. Phys.) ; Airen, S. (Maryland U.) et al.
Theoretical research has long played an essential role in interpreting data from high-energy particle colliders and motivating new accelerators to advance the energy and precision frontiers. [...]
arXiv:2210.02591 ; FERMILAB-FN-1203-QIS.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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Loopedia, a Database for Loop Integrals
/ Bogner, C (Humboldt U., Berlin) ; Borowka, S (CERN) ; Hahn, T (Munich, Max Planck Inst.) ; Heinrich, G (Munich, Max Planck Inst.) ; Jones, S P (Munich, Max Planck Inst.) ; Kerner, M (Munich, Max Planck Inst.) ; von Manteuffel, A (Michigan State U.) ; Michel, M (Louvain U., CP3) ; Panzer, E (Oxford U.) ; Papara, V (Munich, Max Planck Inst.)
Loopedia is a new database at loopedia.org for Feynman integrals, providing both bibliographic information as well as results made available by the community. Its bibliometry is complementary to that of Inspire or arXiv, as it allows to search for integrals by graph-theoretical specifications, e.g. [...]
2018 - 6 p.
- Published in : J. Phys.: Conf. Ser. 1085 (2018) 052003
Fulltext: PDF;
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017, pp.052003
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Loopedia, a database for loop integrals
/ Bogner, Christian (Humboldt U., Berlin) ; Borowka, Sophia (CERN) ; Hahn, Thomas (Munich, Max Planck Inst.) ; Heinrich, Gudrun (Munich, Max Planck Inst.) ; Jones, Stephen P (Munich, Max Planck Inst.) ; Kerner, Matthias (Munich, Max Planck Inst.) ; von Manteuffel, Andreas (Michigan State U.) ; Michel, Martin (Louvain U., CP3) ; Panzer, Erik (Oxford U.) ; Papara, Viktor (Munich, Max Planck Inst.)
Loopedia is a new database at https://loopedia.org for Feynman integrals, providing both bibliographic information as well as results made available by the community. Its bibliometry is complementary to that of Inspire or arXiv, as it allows to search for integrals by graph-theoretical specifications, e.g. [...]
SISSA, 2018 - 7 p.
- Published in : PoS: LL2018 (2018) , pp. 034
- Published in : PoS: RADCOR2017 (2018) , pp. 016
Fulltext: PoS(RADCOR2017)016 - PDF; PoS(LL2018)034 - PDF; External links: PoS server (LL); PoS server (RADCOR)
In : 14th DESY Workshop on Elementary Particle Physics : Loops and Legs in Quantum Field Theory 2018, St Goar, Germany, 29 Apr - 04 May 2018, pp.034
13th International Symposium on Radiative Corrections : Application of Quantum Field Theory to Phenomenology, St. Gilgen, Austria, 24 - 29 Sep 2017, pp.016
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10.
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Loopedia, a Database for Loop Integrals
/ Bogner, C. (Humboldt U., Berlin) ; Borowka, S. (CERN) ; Hahn, T. (Munich, Max Planck Inst.) ; Heinrich, G. (Munich, Max Planck Inst.) ; Jones, S.P. (Munich, Max Planck Inst.) ; Kerner, M. (Munich, Max Planck Inst.) ; von Manteuffel, A. (Michigan State U.) ; Michel, M. (Louvain U., CP3) ; Panzer, E. (Oxford U.) ; Papara, V. (Munich, Max Planck Inst.)
Loopedia is a new database at loopedia.org for information on Feynman integrals, intended to provide both bibliographic information as well as results made available by the community. Its bibliometry is complementary to that of SPIRES or arXiv in the sense that it admits searching for integrals by graph-theoretical objects, e.g. [...]
arXiv:1709.01266; CERN-TH-2017-175; CP3-17-26; MAPHY-AVH-2017-07; MSUHEP-17-013; MPP-2017-173.-
2018-04 - 9 p.
- Published in : Comput. Phys. Commun. 225 (2018) 1-9
Fulltext: 1-s2.0-S0010465517304228-main - PDF; 10.1016_j.cpc.2017.12.017 - PDF; arXiv:1709.01266 - PDF;
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