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Related papers: QCD at LEP 2 and WW Final State Interactions

200 papers

Recent developments in the field of Two Photon Physics at LEP, and their contribution to QCD are reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Finch

I review the studies, which were reported after the last Linear Collider Workshop, on top quark physics and QCD physics at a future e+e- linear collider.

High Energy Physics - Phenomenology · Physics 2007-05-23 Y. Sumino

Progress in the study of hadronic final states in deep inelastic scattering as well as $p\bar{p}$, photoproduction and $e^+e^-$ annihilation, as presented at the DIS97 workshop, is reviewed.

High Energy Physics - Experiment · Physics 2009-10-30 E. A. De Wolf , A. T. Doyle , N. Varelas , D. Zeppenfeld

We calculate final-state interaction corrections to the energy-angular distribution of l^+ in semi-leptonic top quark decay, where the parent top quark is produced via e^+e^- -> t\bar{t} near threshold. These are the corrections due to…

High Energy Physics - Phenomenology · Physics 2016-08-25 M. Peter , Y. Sumino

Interactions between the products of the hadronic decays of different Ws in WW pair events can occur at several stages: from the colour rearrangement between the quarks coming from the primary branching, to the gluon exchange during the…

High Energy Physics - Experiment · Physics 2011-07-19 Alessandro De Angelis

Recent trends in lattice QCD calculations and latest results are reviewed, with particular emphasis on multiquark-states and the nucleon structure.

Nuclear Theory · Physics 2009-11-10 Gunnar S. Bali

A remarkable number of studies have been performed at LEP in the field of two-photon physics in the last four years. These results represent a very important contribution to the understanding of strong interactions at low energies. In…

High Energy Physics - Experiment · Physics 2007-05-23 Saverio Braccini

The W Mass and QCD Working Group discussed a wide variety of topics relating to present and future measurements of M(W) at LEP2, including QCD backgrounds to W+W- production. Particular attention was focused on experimental issues…

We discuss the final state interaction effects at high energies via a multi-channel N/D method. We find that the 2 by 2 charge--exchange final state interactions typically contribute an enhancement factor of a few times $10^{-2}$ in the $B$…

High Energy Physics - Phenomenology · Physics 2015-06-25 Feng Yuan , Hanqing Zheng

Recent results of lattice QCD at finite temperature and density are reviewed. At vanishing density the transition temperature, the equation of state and hadron properties are discussed both for the pure gauge theory and for dynamical…

High Energy Physics - Lattice · Physics 2009-11-10 S. D. Katz

Recent results on QCD studies in e+e- annihilations at LEP are presented. Data recorded by the LEP experiments at centre-of-mass energies between 91.2 to 206 GeV are included. The main topic is the measurement of alpha_s from event-shape…

High Energy Physics - Experiment · Physics 2009-09-29 H. Stenzel

I shortly review the present status of the theoretical estimates of eps'/eps. I consider a few aspects of the theoretical calculations which may be relevant in understanding the present experimental results. In particular, I discuss the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefano Bertolini

Six--jet events via WW pairs, $e^+e^- \ar W^+W^- \ar q_1 \overline{q_1} q_2 \overline{q_2} g g$ are studied at tree level using helicity amplitudes. This is the dominant production mechanism for six--jet final states at Lep II energy. ISR…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Accomando , A. Ballestrero , E. Maina

The two-body nonleptonic charmed meson decays into two pseudoscalar mesons are studied using one-particle-exchange method. The effects of the final state interactions are analyzed through the strong phases extracted from the experimental…

High Energy Physics - Phenomenology · Physics 2008-11-26 Medina Ablikim , Dong-Sheng Du , Mao-Zhi Yang

Recent measurements and theoretical developments on the hadronic final state in deep-inelastic scattering, pp and ee collisions are presented.

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Bertram , T. Carli , G. Gustafson , J. Hartmann

Recent developments in finite-temperature QCD with dynamical quarks are reviewed focusing on the topics of critical temperature, the equation of state, and critical behaviors around the chiral phase transition.

High Energy Physics - Lattice · Physics 2009-10-31 Shinji Ejiri

Hadronic final states at the LHC will be an interesting testing ground for QCD. A good understanding of QCD radiation will also be important for the discovery of new physics at the LHC. I discuss some aspects of this subject and give a few…

High Energy Physics - Phenomenology · Physics 2007-05-23 Carlo Ewerz

We study the final state strong interactions of the $B\rightarrow DK$ decay processes, using the Regge model. We conclude that the final state interaction phases are very small, typically a few degrees. Neglecting final state interactions…

High Energy Physics - Phenomenology · Physics 2015-06-25 Hanqing Zheng

We study final-state interactions in nonleptonic weak decays in statistical models by averaging over ensembles of strong interaction S-matrices. The models range from one with completely random strong interactions, which gives extensive…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert N. Cahn , Mahiko Suzuki

Prospects for QCD studies in two-photon interactions at a future linear e+e- and gamma-gamma collider are discussed.

High Energy Physics - Phenomenology · Physics 2009-11-07 A. De Roeck