'Pdf uncertainties' presentation slideshows

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1.31k views • 113 slides

Benchmark QCD Measurements and Tools at ATLAS

Benchmark QCD Measurements and Tools at ATLAS. Craig Buttar University of Glasgow. Outline. Soft physics: minimum bias and underlying event Measurements of PDFs for precision physics and BSM Jet algorithms and multijets. Low pt physics. Why measure min bias?.

665 views • 56 slides

Finding the Higgs boson

Finding the Higgs boson. Properties of the Higgs boson Theoretical uncertainties & motivations for precision measurements Higgs production at the Tevatron and LHC. Sally Dawson, BNL FNAL LHC School, Lecture 2. Who needs a Higgs?.

791 views • 52 slides

ATLAS Physics Potential I

ATLAS Physics Potential I. Borut Kersevan Jozef Stefan Inst. Univ. of Ljubljana. On behalf of the ATLAS collaboration. ATLAS Physics Potential: Standard Model Higgs & Susy BSM: Susy & Exotics. Introduction (1). LHC: pp collisions at ?s=14 TeV every 25 ns in 2007

588 views • 44 slides

Parton Distributions and Heavy Quark Production at the LHC

551 views • 43 slides

PDFs from HERA to the LHC March 2005 A.M Cooper-Sarkar

PDFs from HERA to the LHC March 2005 A.M Cooper-Sarkar. At the LHC high precision (SM and BSM) cross section predictions require precision Parton Distribution Functions (PDFs) What are the uncertainties on these determinations? How do PDF uncertainties affect discovery physics?

467 views • 33 slides

Tancredi.Carli@cern.ch

HERA as a QCD Precision Machine and the Implication for LHC. Tancredi.Carli@cern.ch. A personal collection: Recent results on PDF, the strong coupling and their uncertainties and their implications on LHC Note: HERA/LHC workshop with much more results !. p. ?. p.

352 views • 32 slides

Update from RA2Tau ?? Search (SUS-12-004)

Update from RA2Tau ?? Search (SUS-12-004). Andre?s Delannoy 1 , Will Flanagan 2 , Alfredo Gurrola 1 , Will Johns 1 , Teruki Kamon 23 , Jieun Kim 3 , Andrew Melo 1 , Roy Montalvo 2 , Sinjini Sengupta 2 , Paul Sheldon 1

328 views • 24 slides

Report on fitting FINAL new e-p HERA-II data:

ZEUS fits-Prel. requests for DIS2009 April 21 st 2009 A.M.Cooper-Sarkar and C. Gwenlan. Report on fitting FINAL new e-p HERA-II data: e- CC (175pb -1 : P=0.30, 71pb -1 , P=-0.27, 104pb -1 )(DESY-08-177) e- NC (169pb -1 , P=+0.29, 71pb -1 , P=-0.27, 99pb -1 )(DESY-08-202)

332 views • 24 slides

High Energy neutrino cross-sections HERA-LHC working week Oct 2007 A M Cooper-Sarkar, Oxford

High Energy neutrino cross-sections HERA-LHC working week Oct 2007 A M Cooper-Sarkar, Oxford. Updated predictions of high energy ? and ? CC cross-sections Within conventional framework NLO DGLAP With systematic accounting for PDF uncertainties

334 views • 21 slides

High Energy neutrino cross-sections HERA-LHC working week Oct 2007 A M Cooper-Sarkar, Oxford

High Energy neutrino cross-sections HERA-LHC working week Oct 2007 A M Cooper-Sarkar, Oxford. Updated predictions of high energy ? and ? CC cross-sections Within conventional framework NLO DGLAP With systematic accounting for PDF uncertainties

287 views • 21 slides

PDF4LHC: LHC needs February 2008 A M Cooper-Sarkar, Oxford

PDF4LHC: LHC needs February 2008 A M Cooper-Sarkar, Oxford. At the LHC high precision (SM and BSM) cross section predictions require precision Parton Distribution Functions (PDFs) How do PDF Uncertainties affect SM physics How do PDF uncertainties affect BSM physics?

197 views • 19 slides

Precision Measurements of W and Z Boson Production at the Tevatron

195 views • 19 slides

Structure Function Measurements at the LHC

Structure Function Measurements at the LHC. Ian Dawson On behalf of the ATLAS collaboration. PANIC05, Santa Fe, New Mexico. October 24-28, 2005. Outline. The LHC and the ATLAS experiment Importance of PDFs at the LHC Parton kinematics Impact on new physics

299 views • 18 slides

Structure Function Measurements at the LHC

Structure Function Measurements at the LHC. Ian Dawson On behalf of the ATLAS collaboration. PANIC05, Santa Fe, New Mexico. October 24-28, 2005. Outline. The LHC and the ATLAS experiment Importance of PDFs at the LHC Parton kinematics Impact on new physics

275 views • 18 slides

Some theoretical issues regarding Method 2

Some theoretical issues regarding Method 2. J. Huston Michigan State University. History. Based on a series of talks that I gave at Lepton + Jets meetings May 21, 2004 Nov. 7, 2003 Oct. 10, 2003 April 25, 2003 Plus a paper that I wrote with John Campbell

231 views • 16 slides

Search for exotic resonances & MSSM Higgs bosons at CMS/LHC

Search for exotic resonances & MSSM Higgs bosons at CMS/LHC. G. Daskalakis. CMS Experiment. 8 TeV. LHC machine stopped p-p collisions mid-December 2012. CMS detector performance was excellent! ~ 250 papers in various physics topics. 201 2 Activities in CMS. PHYSICS ANALYSIS

225 views • 14 slides

PDF uncertainties in Higgs production at hadron colliders

PDF uncertainties in Higgs production at hadron colliders. S. Ferrag LPNHE , Paris A. Djouadi CERN and LPMT , Montpellier. Introduction: Higgs production PDF uncertainties (MRST and CTEQ6) Uncertainties behaviour: quarks and gluon components Impact on the Higgs production

200 views • 11 slides

ATLAS Higgs Search Strategy and Sources of Systematic Uncertainty

179 views • 10 slides

Constraints on ttH analysis

Constraints on ttH analysis. Samir FERRAG. Introduction. Theoretical uncertainties: PDFs: 40+1 CTEQ6 PDF sets Factorisation and renormalisation scale: 0.5 m 0 < m <2 m 0 AlpGen v:2.06 used Cross sections computation: 100M events for each PDF set ? 0.05% stat uncertainty

162 views • 6 slides