Zobrazeno 1 - 10
of 1 192
pro vyhledávání: '"Blümlein, J."'
Autor:
Ablinger, J., Behring, A., Blümlein, J., De Freitas, A., von Manteuffel, A., Schneider, C., Schoenwald, K.
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 ne
Externí odkaz:
http://arxiv.org/abs/2407.02006
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:
Ablinger, J., Behring, A., Blümlein, J., De Freitas, A., von Manteuffel, A., Schneider, C., Schönwald, K.
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}. They describe the
Externí odkaz:
http://arxiv.org/abs/2403.00513
Autor:
Ablinger, J., Behring, A., Blümlein, J., De Freitas, A., von Manteuffel, A., Schneider, C., Schönwald, K.
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 m
Externí odkaz:
http://arxiv.org/abs/2311.00644
Autor:
Ablinger, J., Behring, A., Blümlein, J., De Freitas, A., Goedicke, A., von Manteuffel, A., Schneider, C., Schönwald, K.
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 operato
Externí odkaz:
http://arxiv.org/abs/2306.16550
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 Mel
Externí odkaz:
http://arxiv.org/abs/2303.05943
We calculate the quarkonic $O(\alpha_s^2)$ massive operator matrix elements $\Delta A_{Qg}(N), \Delta A_{Qq}^{\rm PS}(N)$ and $\Delta A_{qq,Q}^{\rm NS}(N)$ for the twist--2 operators and the associated heavy flavor Wilson coefficients in polarized de
Externí odkaz:
http://arxiv.org/abs/2211.15337
Autor:
Ablinger, J., Behring, A., Blümlein, J., De Freitas, A., Schneider, A. Goedicke A. von Manteuffel C., Schönwald, K.
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 dist
Externí odkaz:
http://arxiv.org/abs/2211.05462
We calculate the massless unpolarized Wilson coefficients for deeply inelastic scattering for the structure functions $F_2(x,Q^2), F_L(x,Q^2), x F_3(x,Q^2)$ in the $\overline{\sf MS}$ scheme and the polarized Wilson coefficients of the structure func
Externí odkaz:
http://arxiv.org/abs/2208.14325
Binary sources of gravitational waves in the early inspiral phase are accurately described by a post-Newtonian expansion in small velocity and weak interaction. We compute the conservative dynamics to fifth and partial sixth order using a non-relativ
Externí odkaz:
http://arxiv.org/abs/2208.04552