2024-07-18 04:25 |
Personal reminiscences of Steven Weinberg
/ Quevedo, Fernando
My personal recollections are presented regarding my interactions with Steven Weinberg and the impact he had in my career from when I was his graduate student until the present..
arXiv:2407.10033; CERN-TH-2024-105.-
2024-07-06 - 6 p.
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2024-06-12 04:50 |
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2024-06-12 04:50 |
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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2024-04-20 05:03 |
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2024-04-06 04:07 |
Exploring scalar contributions with $K^+ \to \pi^+ \ell^+ \ell^-$
/ D'Ambrosio, G. (INFN, Naples) ; Iyer, A.M. (Indian Inst. Tech., New Delhi) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; IUF, Paris) ; Neshatpour, S. (IP2I, Lyon)
The rare kaon decay $K^+ \to \pi^+\ell^+\ell^-$ offers insights into Standard Model (SM) physics and beyond. Driven by vector form factor in the SM, it can also probe non-standard contributions. [...]
arXiv:2404.03643; CERN-TH-2024-044.-
2024-06-26 - 4 p.
- Published in : Phys. Lett. B 855 (2024) 138824
Fulltext: Publication - PDF; 2404.03643 - PDF;
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2024-03-21 05:42 |
Soft Scalars in Effective Field Theory
/ Derda, Maria (Caltech) ; Helset, Andreas (CERN) ; Parra-Martinez, Julio (British Columbia U.)
We derive a soft theorem for a massless scalar in an effective field theory with generic field content using the geometry of field space. This result extends the geometric soft theorem for scalar effective field theories by allowing the massless scalar to couple to other scalars, fermions, and gauge bosons. [...]
arXiv:2403.12142; CALT-TH-2024-011; CERN-TH-2024-035.-
2024-06-19 - 28 p.
- Published in : JHEP 2406 (2024) 133
Fulltext: document - PDF; 2403.12142 - PDF;
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2024-03-21 05:42 |
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2024-03-14 08:37 |
Conservative Black Hole Scattering at Fifth Post-Minkowskian and First Self-Force Order
/ Driesse, Mathias (Humboldt U., Berlin) ; Jakobsen, Gustav Uhre (Humboldt U., Berlin ; Potsdam, Max Planck Inst.) ; Mogull, Gustav (Humboldt U., Berlin ; Potsdam, Max Planck Inst.) ; Plefka, Jan (Humboldt U., Berlin) ; Benjamin Sauer (Humboldt U., Berlin) ; Usovitsch, Johann (CERN)
We compute the 5PM order contributions to the scattering angle and impulse of classical black hole scattering in the conservative sector at first self-force order (1SF) using the worldline quantum field theory formalism. This challenging four-loop computation required the use of advanced integration-by-parts and differential equation technology implemented on high-performance computing systems. [...]
arXiv:2403.07781; HU-EP-24/08-RTG; CERN-TH-2024-032.-
2024-06-13 - 12 p.
- Published in : Phys. Rev. Lett. 132 (2024) 241402
Fulltext: 2403.07781 - PDF; Publication - PDF;
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2024-03-09 04:15 |
NNLO QCD corrections to the q$^{2}$ spectrum of inclusive semileptonic B-meson decays
/ Fael, Matteo (CERN) ; Herren, Florian (Zurich U.)
We calculate the next-to-next-to-leading order QCD corrections to the leptonic invariant mass ($q^2$) spectrum of semileptonic $b \to c$ inclusive decays, taking into account the mass of the charm quark and the charged lepton in the final state. We obtain analytic results in terms of generalized polylogarithms and present numerical studies of the $\mathcal{O}(\alpha_s^2)$ corrections to the $q^2$ spectrum of $b \to c \ell \bar \nu_\ell$ decays, for $\ell =e, \mu$ and $\tau$, in the kinetic scheme. [...]
arXiv:2403.03976; CERN-TH-2024-025; ZU-TH 14/24.-
2024-05-24 - 19 p.
- Published in : JHEP 2405 (2024) 287
Fulltext: document - PDF; 2403.03976 - PDF;
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2024-02-23 04:42 |
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