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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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15 papers · 2 filters
Higgs production in gluon fusion at next-to-next-to-leading order QCD for finite top mass
Robert V. Harlander, Hendrik Mantler, Simone Marzani +1
The inclusive Higgs production cross section from gluon fusion is calculated through NNLO QCD, including its top quark mass dependence. This is achieved through a matching of the 1…
Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data
S. Actis, A. Arbuzov, G. Balossini +53
We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low energy e+e- colliders in Beijing,…
Two-photon annihilation into octet meson pairs: symmetry relations in the handbag approach
Markus Diehl, Peter Kroll
We explore the implications of SU(3) flavor symmetry in the soft handbag mechanism for two-photon annihilation into pairs of pseudoscalar octet mesons. In this approach we obtain a…
Transversity in exclusive meson electroproduction
P. Kroll
In this talk various spin effects in hard exclusive electroproduction of mesons are briefly reviewed and the data discussed in the light of recent theoretical calculations within t…
Next-to-leading order QCD corrections to ttbb production at the LHC
Malgorzata Worek
In this contribution, we summarize the results from an NLO computation of the production of ttbb in hadronic collisions. The results are obtained by combining two programs: Helac-1…
Spin effects in hard exclusive electroproduction of mesons
P. Kroll
In this talk various spin effects in hard exclusive electroproduction of mesons are briefly reviewed. The data are discussed in the light of recent theoretical calculations within…
Radiation of an electric charge in the field of a magnetic monopole
Michael Lublinsky, Claudia Ratti, Edward Shuryak
We consider the radiation of photons from quarks scattering on color-magnetic monopoles in the Quark-Gluon Plasma. We consider a temperature regime $T\gsim2T_c$, where monopoles ca…
Finite top mass effects for hadronic Higgs production at next-to-next-to-leading order
Robert V. Harlander, Kemal J. Ozeren
The first four terms of an expansion in mH^2/mt^2 of the total inclusive cross section for Higgs production in gluon fusion are evaluated through next-to-next-to-leading order QCD.…
Top mass effects in Higgs production at next-to-next-to-leading order QCD: virtual corrections
Robert V. Harlander, Kemal J. Ozeren
Top quark mass suppressed terms are calculated for the virtual amplitude for Higgs production in gluon fusion at three-loop level, i.e. O(α_s^3). The method of asymptotic expansion…
Assault on the NLO Wishlist: pp -> tt bb
G. Bevilacqua, M. Czakon, C. G. Papadopoulos +2
We present the results of a next-to-leading order calculation of QCD corrections to the production of an on-shell top-anti-top quark pair in association with two flavored b-jets. B…
An attempt to understand exclusive pi+ electroproduction
S. V. Goloskokov, P. Kroll
Hard exclusive pi+ electroproduction is investigated within the handbag approach. The prominent role of the pion-pole contribution is demonstrated. It is also shown that the experi…
Proton-Antiproton Annihilation into a Lambda_c-Antilambda_c Pair
A. T. Goritschnig, P. Kroll, W. Schweiger
The process p-pbar -> Lambda_c-Antilambda_c is investigated within the handbag approach. It is shown that the dominant dynamical mechanism, characterized by the partonic subprocess…
The SUSY-QCD beta function to three loops
Robert V. Harlander, Luminita Mihaila, Matthias Steinhauser
A number of DR-bar renormalization constants in softly broken SUSY-QCD are evaluated to three-loop level: the wave function renormalization constants for quarks, squarks, gluons, g…
Polarizing the Dipoles
M. Czakon, C. G. Papadopoulos, M. Worek
We extend the massless dipole formalism of Catani and Seymour, as well as its massive version as developed by Catani, Dittmaier, Seymour and Trocsanyi, to arbitrary helicity eigens…
within a Handbag Picture -- Cross Section and Spin Observables
A. T. Goritschnig, P. Kroll, W. Schweiger
We study the process within the generalized parton picture. Our starting point is the double handbag diagram which factorizes into soft generalized parto…