Road to CTEQ7 J. Huston CTEQ meeting

Roadmap CTEQ6 was published in 2002, followed by CTEQ6.1 in 2003 Pavel has given you a review of CTEQ6.6 which will debut in a paper to be released shortly What will be different about CTEQ7?  for the first time, NNLO pdf’s from CTEQ as well as NLO  much NNLO/NLO phenomenology to do  this is primarily the work of Liang and Pavel who will publish a separate paper on NNLO  inclusion of as much Tevatron data (and all updated HERA data) as possible  hope is that CTEQ7 will be used for comparison to first LHC data

Inclusive jets in Run II Much more luminosity than available in Run I…and systematic errors comparable or smaller Over a wider rapidity range than CDF had in Run I

Inclusive jets PDF uncertainties in some rapidity regions larger than systematic uncertainties; potential for reducing pdf uncertainties in CTEQ7 Systematic errors can adjust most of the shape differences above …but statistical errors are tiny

W asymmetry Here is a new CDF result for the W asymmetry in which the 4-vector of the W is reconstructed (weighting the two possible longitudinal momenta solutions of the neutrino) Results should be directly comparable to NLO predictions since acceptance corrections done with Treat each systematic error as correlated

Asymmetry prediction using CTEQ6 NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = NLO = …from CDF authors

CDF: dsigma/dy 5 sources of syst error; each correlated as function of y Good agreement with CTEQ6.1 Similar result from D0

CTEQ7 Most of work has gone on at MSU  which includes Washington and Taiwan  and I can not overestimate the contributions of Pavel and Liang We invite people who would like to contribute to volunteer  and with what they will be working on Timescale is on the order of 6 months  MSTW has already shown results from new pdf’s that includes most of this data  this involves a strong commitment, i.e. this should be one of primary physics projects for participants during this time interval