Assault on the NLO Wishlist: pp -> tt bb (2009)
Bevilacqua, G., Czakon, M., Papadopoulos, C. G., Pittau, R., Worek, M.
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. Besides studying the...
Czakon, M., Papadopoulos, C. G., Worek, M.
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 eigenstates of the...
Strongly interacting gauge boson systems at the LHC (2009)
Englert, C., Jager, B., Worek, M., Zeppenfeld, D.
We explore the potential of the CERN-LHC to access strongly interacting gauge boson systems via weak-boson scattering processes with W+W-jj, ZZjj, W+Zjj and W-Zjj final states, focusing on the...
VBFNLO: A parton level Monte Carlo for processes with electroweak bosons (2008)
Arnold, K., Bahr, M., Bozzi, G., Campanario, F., Englert, C., Figy, T., ...
VBFNLO is a fully flexible parton level Monte Carlo program for the simulation of vector boson fusion, double and triple vector boson production in hadronic collisions at next-to-leading order in the...
Observing Strongly Interacting Vector Boson Systems at the CERN Large Hadron Collider (2008)
Englert, C., Jager, B., Worek, M., Zeppenfeld, D.
We explore the potential of the CERN Large Hadron Collider to access a strongly interacting electroweak symmetry breaking sector via weak boson scattering with WWjj, ZZjj and WZjj final states. As...
Alwall, J, Höche, S, Krauss, F, Lavesson, N, Lönnblad, L, Maltoni, F, ...
We compare different procedures for combining fixed-order tree-level matrix-element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different...
Alwall, J., Hoeche, S., Krauss, F., Lavesson, N., Lonnblad, L., Maltoni, F., ...
We compare different procedures for combining fixed-order tree-level matrix-element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different...
A standard format for Les Houches Event Files (2006)
Alwall, J, Ballestrero, A, Bartalini, P, Belov, S, Boos, E, Buckley, A, ...
A standard file format is proposed to store process and event information, primarily output from parton-level event generators for further use by general-purpose ones. The information content is...
A standard format for Les Houches Event Files (2006)
Alwall, J., Ballestrero, A., Bartalini, P., Belov, S., Boos, E., Buckley, A., ...
A standard file format is proposed to store process and event information, primarily output from parton-level event generators for further use by general-purpose ones. The information content is...
Recursive equations for arbitrary scattering processes (2006)
Draggiotis, P., Van Hameren, A., Kleiss, R., Lazopoulos, A., Papadopoulos, C. G., Worek, M.
The usefulness of recursive equations to compute scattering matrix elements for arbitrary processes is discussed. Explicit results at tree and one-loop order, obtained by the HELAC/PHEGAS package...
HELAC - A Monte Carlo generator for multi-jet processes (2006)
Papadopoulos, C. G., Worek, M.
The status of the multi-purpose event generator HELAC is briefly presented. The aim of this tool is the full simulation of events within the Standard Model at current and future high energy...
hep-ph/0609017 CERN-LCGAPP-2006-03 September 2006 A standard format for (2006)
Les Houches Event, A. Buckley, J. M. Butterworth, L. Dudko, S. Frixione, L. Garren, ...
A standard file format is proposed to store process and event information, primarily output from parton-level event generators for further use by general-purpose ones. The information content is...
Looking for CP violation in B -> tau+tau- decays (2005)
Kalinowski, J., Chankowski, P. H., Was, Z., Worek, M.
In supersymmetry with large tan(beta) the decays B0(B0bar) -> l+l- are dominated by the scalar and pseudoscalar Higgs penguin diagrams leading to strong enhancement of leptonic decay rates with...
The tauola-photos-F environment for the TAUOLA and PHOTOS packages, release II (2003)
Golonka, P, Kersevan, Borut P, Pierzchala, T, Richter-Was, Elzbieta, Was, Z, Worek, M
We present the system for versioning two packages: the TAUOLA of tau-lepton decay and PHOTOS for radiative corrections in decays. The following features can be chosen in an automatic or...
The tauola-photos-F environment for the TAUOLA and PHOTOS packages, release II (2003)
Golonka, P., Kersevan, B., Pierzchala, T., Richter-Was, E., Was, Z., Worek, M.
We present the system for versioning two packages: the TAUOLA of tau-lepton decay and PHOTOS for radiative corrections in decays. The following features can be chosen in an automatic or...
Desch, Klaus, Imhof, A, Was, Z, Worek, M
The prospects for the measurement of the pseudoscalar admixture in the h-tau-tau coupling to a Standard Model Higgs boson of 120 GeV mass are discussed in a quantitative manner e+ e- collisions of...
Desch, K., Imhof, A., Was, Z., Worek, M.
The prospects for the measurement of the pseudoscalar admixture in the h-tau-tau coupling to a Standard Model Higgs boson of 120 GeV mass are discussed in a quantitative manner e+ e- collisions of...
Desch, Klaus, Was, Zbigniew, Worek, M
We demonstrate that a measurement of the impact parameter in one-prong tau decay can be useful for the determination of the Higgs boson parity in the H/A --> tau tau; tau --> rho nu decay chain. We...
We demonstrate that a measurement of the impact parameter in one-prong tau decay can be useful for the determination of the Higgs boson parity in the H/A --> tau tau; tau --> rho nu decay chain. We...
PREL-LC-PHSM-2003-003 CERN-TH/2003-009 TTP03-01 Measuring the Higgs boson parity (2003)
At Linear Collider, K. Desch, M. Worek
We demonstrate that a measurement of the impact parameter in one-prong decay can be useful for the determination of the Higgs boson parity in the H=A ! ; ( ) decay chain. We have estimated that for a...
Measuring the Higgs boson's parity using $\tau \to \rho\nu$ (2002)
Bower, G R, Pierzchala, T, Was, Zbigniew, Worek, M
We present a very promising method for a measurement of the Higgs boson parity using the H/A -> tau^+ tau^- --> rho^+ nu rho^- nu --> pi^+ pi^0 nu pi^- pi^0 nu decay chain. The method is both model...
Measuring the Higgs boson's parity using tau --> rho nu (2002)
Bower, G. R., Pierzchala, T., Was, Z., Worek, M.
We present a very promising method for a measurement of the Higgs boson parity using the H/A -> tau^+ tau^- --> rho^+ nu rho^- nu --> pi^+ pi^0 nu pi^- pi^0 nu decay chain. The method is both model...
Transverse spin effects in H/A -> tau^+ tau^- ; tau^{+-} -> nu X^{+-}, Monte Carlo approach (2002)
The transverse spin effects may be helpful to distinguish between scalar (J^{PC}=0^{++}) or pseudoscalar (J^{PC}=0^{-+}) nature of the spin zero (Higgs) particle once discovered in future accelerator...
Novosibirsk hadronic currents for tau -> 4pi channels of tau decay library TAUOLA (2002)
Bondar, A. E., Eidelman, S. I., Milstein, A. I., Pierzchala, T., Root, N. I., Was, Z., ...
The new parameterization of form factors developed for 4pi channels of the tau lepton decay and based on Novosibirsk data on e^+e^- -> 4pi has been coded in a form suitable for the TAUOLA Monte Carlo...
Spin effects in tau-lepton pair production at LHC (2001)
Pierzchala, T., Richter-Was, E., Was, Z., Worek, M.
Question of the proper incorporation of spin effects in tau lepton decays is often of importance. In present work, case of the Z/gamma to tau+ tau- production mechanism is studied in detail. As an...