Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Saragnese, M."'
Autor:
Blümlein, J., Saragnese, M.
In many calculations involving polarized twist-2 parton densities to higher order in the strong coupling constant one uses the Larin scheme to describe chiral effects in dimensional regularization. Upon forming observables, the scheme dependence canc
Externí odkaz:
http://arxiv.org/abs/2405.17252
Autor:
d'Enterria, D., Kluth, S., Zanderighi, G., Ayala, C., Benitez-Rathgeb, M. A., Bluemlein, J., Boito, D., Brambilla, N., Britzger, D., Camarda, S., Cooper-Sarkar, A. M., Cridge, T., Cvetic, G., Brida, M. Dalla, Deur, A., Giuli, F., Golterman, M., Hoang, A. H., Huston, J., Jamin, M., Kotikov, A. V., Krivokhizhin, V. G., Kronfeld, A. S., Leino, V., Lipka, K., Makela, T., Malaescu, B., Maltman, K., Marzani, S., Mateu, V., Moch, S., Monni, P. F., Nadolsky, P., Nason, P., Nesterenko, A. V., Perez-Ramos, R., Peris, S., Petreczky, P., Pich, A., Rabbertz, K., Ramos, A., Reichelt, D., Rodriguez-Sanchez, A., Rojo, J., Saragnese, M., Sawyer, L., Schott, M., Schumann, S., Shaikhatdenov, B. G., Sint, S., Soyez, G., Teca, D., Vairo, A., Vos, M., Waits, C., Weber, J. H., Wobisch, M., Xie, K.
This document provides a comprehensive summary of the state-of-the-art, challenges, and prospects in the experimental and theoretical study of the strong coupling $\alpha_s$. The current status of the seven methods presently used to determine $\alpha
Externí odkaz:
http://arxiv.org/abs/2203.08271
Hypergeometric structures in single and multiscale Feynman integrals emerge in a wide class of topologies. Using integration-by-parts relations, associated master or scalar integrals have to be calculated. For this purpose it appears useful to devise
Externí odkaz:
http://arxiv.org/abs/2111.15501
A survey is given on the new 2- and 3-loop results for the heavy flavor contributions to deep-inelastic scattering in the unpolarized and the polarized case. We also discuss related new mathematical aspects applied in these calculations.
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Externí odkaz:
http://arxiv.org/abs/2107.09350
Autor:
Blümlein, J., Saragnese, M.
We present the scheme-invariant unpolarized and polarized flavor non-singlet evolution equation to N$^3$LO for the structure functions $F_2(x,Q^2)$ and $g_1(x,Q^2)$ including the charm- and bottom quark effects in the asymptotic representation. The c
Externí odkaz:
http://arxiv.org/abs/2107.01293
Publikováno v:
Phys. Rev. D 104, 034030 (2021)
We compute the logarithmic contributions to the polarized massive Wilson coefficients for deep-inelastic scattering in the asymptotic region $Q^2 \gg m^2$ to 3-loop order in the fixed-flavor number scheme and present the corresponding expressions for
Externí odkaz:
http://arxiv.org/abs/2105.09572
Autor:
Ablinger, J., Blümlein, J., De Freitas, A., Goedicke, A., Saragnese, M., Schneider, C., Schönwald, K.
We compute the two-mass contributions to the polarized massive operator matrix element $A_{gg,Q}^{(3)}$ at third order in the strong coupling constant $\alpha_s$ in Quantum Chromodynamics analytically. These corrections are important ingredients for
Externí odkaz:
http://arxiv.org/abs/2004.08916
We present the two-mass QCD contributions to the polarized pure singlet operator matrix element at three loop order in $x$-space. These terms are relevant for calculating the polarized structure function $g_1(x,Q^2)$ at $O(\alpha_s^3)$ as well as for
Externí odkaz:
http://arxiv.org/abs/1911.11630
Publikováno v:
In Nuclear Physics, Section B March 2020 952
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