'Nlo' presentation slideshows

Comparison of acceptances and radiative effects for W/Z for Pythia, Herwig and Mc@nlo

Comparison of acceptances and radiative effects for W/Z for Pythia, Herwig and Mc@nlo. Marc Goulette, Daniel Froidevaux ATLAS CAT Physics Meeting, CERN 18 April 2007. Outline. Introduction Selection cuts Electron acceptances Understanding the differences Conclusion and plans.

664 views • 52 slides

Matching Matrix Elements and Parton Showers

Matching Matrix Elements and Parton Showers. Peter Richardson IPPP, Durham University. Summary. Matrix Element Corrections MC@NLO CKKW and MLM Comments Nason Method. Introduction. The parton shower is designed to simulate soft and collinear radiation.

676 views • 48 slides

Gluon Saturation

Gluon Saturation. Yuri Kovchegov The Ohio State University. Outline. Introduction: recapping the main principles of saturation physics. Status report: a brief review of recent progress. EIC measurements needed to discover gluon saturation. Introduction. Gluons at Small-x.

729 views • 48 slides

Parton Distributions and Heavy Quark Production at the LHC

551 views • 43 slides

Heavy Flavour Production, QCD, and the Quark-Photon Coupling

Heavy Flavour Production, QCD, and the Quark-Photon Coupling. Achim Geiser, DESY Hamburg Photon2007 Paris, France, 11 July 2007. Achim.Geiser@desy.de. Introduction: Heavy Quark photoproduction

494 views • 37 slides

QCD corrections to the dilepton production near partonic threshold in pp and ppbar collisions

QCD corrections to the dilepton production near partonic threshold in pp and ppbar collisions. H. Shimizu (Hiroshima U, KEK) G. Sterman (SUNY) W. Vogelsang (BNL, RBRC) H. Yokoya (Niigata U). ref. Phys.Rev.D71,114007,2005 (hep-ph/0503270). J-PARC Workshop @ KEK, JAPAN Nov.30- Dec.2, 2005.

487 views • 36 slides

Fast pQCD Calculations for PDF Fits

Fast pQCD Calculations for PDF Fits. Markus Wobisch, Fermilab. in collaboration with T. Kluge, DESY and K. Rabbertz, Univ. Karlsruhe. XIV Workshop on Deep Inelastic Scattering, DIS 2006 April 20-24, 2006, Tsukuba, Japan.

437 views • 35 slides

Threshold Resummation Effects to the Drell-Yan process at J-PARC & GSI

Threshold Resummation Effects to the Drell-Yan process at J-PARC & GSI. H. Shimizu (Hiroshima U, KEK) G. Sterman (SUNY) W. Vogelsang (BNL, RBRC) H. Yokoya (Niigata U). ref. Phys.Rev.D71,114007,2005 (hep-ph/0503270). KEK ???? QCD ???????????? KEK 2006 ? 2 ? 27 ? ~ 3 ? 1 ?. Introduction.

513 views • 35 slides

Heavy Flavour Production at HERA (H1/ZEUS)

Heavy Flavour Production at HERA (H1/ZEUS). Achim Geiser, DESY Hamburg Heavy Flavor Productions and Hot/Dense Quark matter, BNL, USA, 13. Dec. 05. introduction open heavy flavour production photoproduction

520 views • 34 slides

Anomalies in Heavy Flavor Jets at CDF

423 views • 33 slides

Decadimenti rari del B: risultati e sfide per il futuro

Decadimenti rari del B: risultati e sfide per il futuro. Paolo Gambino INFN Torino. Any room left for New Physics in the flavor sector?. With advent of B factories B physics has entered a new precision era Presently, only ? F=2 transitions are considered in the fits.

380 views • 27 slides

Odderon Searches and Hadronic Final States in Diffractive Scattering at HERA Karlheinz Meier

397 views • 26 slides

Update on tt-bar signal and background simulation

Update on tt-bar signal and background simulation. Stan Bentvelsen. Resume of last meeting. MC@NLO: Matching NLO calculations of QCD process with parton shower MC simulation Fully exclusive events generated Hard emissions treated as in NLO Soft emissions handled by MC shower (Herwig)

395 views • 24 slides

Resummation and top-pair production

372 views • 23 slides

Marc Goulette ATLAS CAT physics Meeting, CERN, 5 September 2008

Theoretical uncertainties on W/Z cross-sections. Marc Goulette ATLAS CAT physics Meeting, CERN, 5 September 2008 Thanks a lot to : M. Boonekamp, J. Butterworth, A. Cooper-Sarkar, E.Dobson, N. Ellis, D. Froidevaux, L. Gilbert, I. Hinchliffe, J. Huston, B. Kersevan, E. Richter

272 views • 16 slides

Tiesheng Dai, Javier Cuevas Maestro, Jianming Qian Third LHC Higgs Cross Section Workshop

H ?WW? l ? l ? Final State Differential Cross-section: Generators, Agreements, Plans and Few Results. Tiesheng Dai, Javier Cuevas Maestro, Jianming Qian Third LHC Higgs Cross Section Workshop Nov. 4-5, 2010 at Bari, Italy. Generators for MC Productions.

261 views • 16 slides

Threshold resummation studies in the Polarized Drell-Yan process at modest collision energies

Threshold resummation studies in the Polarized Drell-Yan process at modest collision energies. Ref. H.Shimizu, G.Sterman, W.Vogelsang, HY, Phys.Rev.D71,114007,2005 (hep-ph/0503270). Drell-Yan Cross section Formula. Factorization. : PDFs. : partonic cross section. parton luminosity.

241 views • 14 slides

Confronting NLO BFKL Kernels with proton structure function data

Confronting NLO BFKL Kernels with proton structure function data L. Schoeffel (CEA/SPP) Work done in collaboration with R. Peschanski (CEA/SPhT) and C. Royon (CEA/SPP) hep-ph/0411338. 40th Rencontres de Moriond.

176 views • 10 slides

233 views • 9 slides

Benjamin FUKS Michael KLASEN Fabienne LEDROIT Qiang LI Julien MOREL ATLAS Exotics group

204 views • 8 slides