CEDAR

CEDAR HepCode

HepCode is the beginnings of the third CEDAR objective, to provide access to well defined versions of Monte Carlo programs, parton distribution functions and other high-energy physics calculation programs. The future of HepCode is likely to be entwined with HepForge.

The idea of making such a comprehensive database arose out of a discussion at the Collider Physics Conference at the KITP, Santa Barbara in January 2004. The next step will be to integrate HEPCODE into the HEPDATA databases in Durham, and to incorporate a "search" facility that will enable users to identify a set of available programmes simply by entering the details of a particular scattering process. In the meantime, we need to build up a comprehensive list of all available codes. The emphasis so far is on hadron-collider processes, but it is hoped to eventually include also a comprehensive list for other colliders.

Comments on the list below (for example, if your programme is listed but the information is incomplete/incorrect) and particularly suggestions for new entries are very welcome and should be sent to James Stirling (IPPP, Durham) at w.j.stirling@durham.ac.uk, using the automated submission tool.

Thanks to: John Campbell, Guenther Dissertori, Thomas Gehrmann, Bill Kilgore, Adrian Signer.

Key

ee, ep, pp are used as shorthand for electron-positron, lepton-hadron, and proton -(anti)proton collisions respectively
V = W or Z, and sometimes also a Drell-Yan virtual photon, g = real photon, l = lepton, H = Higgs boson
j = light (u,d,s,c?) quark or gluon jet; Q = generic heavy (c?,b,t) quark
TL = tree level; PS = parton shower; NLO = NLO QCD, NNLO = NNLO QCD; NLOEW = NLO electroweak, RS=resummed
F = Fortran, C = C++

Name/description	Processes	Order	Code?	Lang	Authors	Comments
CAESAR	ee -> <=3j + X ep -> <=2j + X pp -> 2j + X	RS/ NLL	yes	F90	A. Banfi G.P. Salam G. Zanderighi	generates NLL resummed predictions for arbitrary global, recursively infrared and collinear safe final-state observables. The web page currently contains resummation properties of a number of example observables.
DISRESUM	ep -> 1j + X	RS/ NLL	yes	F90	M. Dasgupta G.P. Salam	evaluates NLL resummed distributions for a number of DIS event shapes, including matching to NLO and power corrections.
DISPATCH	ep -> 2j	NLO	yes	F90	M. Dasgupta G.P. Salam	interface to DISENT & DISASTER++ for calculating event shape distributions, optimised for generation of results for multiple x,Q^2 points.
VECBOS	pp -> V + <=4j	TL	yes	F	W. Giele
ALPGEN	pp -> V + QQbar + <=4j V + <=6j V + c + <=5j nV + mH + <=3j QQbar + <=6j QQbar + Q'Q'bar + <=4j QQbar + H + <=4j <=6j ng + mj, n+m<=8, m<=6	TL	yes	F	M. Mangano M. Moretti F. Piccinini R. Pittau A. Polosa	a collection of codes for the generation of multi-parton processes in hadronic collisions based on the Alpha matrix element generator
MADEVENT		TL	yes	F	T. Stelzer F. Maltoni	combines MADGRAPH matrix element calculations with phase space integration
HELAC		TL	yes	F	C. Papadopoulos
AMEGIC++		TL	yes	C	F. Krauss
GRACE		TL	yes	F
GR@PPA	pp -> bbbar + bbbar V + <=3j VV' ttbar W + <=2g	TL	yes	F	S. Tsuno S. Shimma J. Fujimoto T. Ishikawa Y. Kurihara S. Odaka	an extension of the GRACE system to hadron collider processes; includes full decays of vector bosons and top quarks; can be embedded in PYTHIA and HERWIG
COMPHEP		TL	yes	F	A. Pukhov E. Boos M. Dubinin V. Edneral V. Ilyin D. Kovalenko A. Kryukov V. Savrin S. Shichanin A. Semenov
AcerMC	pp -> ...	TL	yes	F	B. Kersevan E. Richter-Was	generates a variety of Standard Model background processes for the LHC; interfaces to PYTHIA and HERWIG
TopReX	pp -> ttbar t W + QQbar H^Â± (t + bbar)	TL	yes	F	S. Slabospitsky L. Sonnenschein	generates the processes of top production with subsequent top decays into SM and FCNC channels, i.e. t -> bW, Vq with V=gluon, gamma, Z; interfaces with PYTHIA
NLOJET++	ee -> <=4j ep -> (<=3 + 1)j pp -> <=3j	NLO	yes	C	Z. Nagy	multipurpose C++ library for calculating jet cross sections in ee, ep and pp collisions
AYLEN/EMILIA	pp -> VV' pp -> Vg	NLO	yes	F	L. Dixon Z. Kunszt A. Signer D. de Florian	gauge boson pair production at hadron colliders including full spin and decay angle correlations
PHOX FAMILY	pp -> g + <=1j pp -> gg gp -> g + 1j	NLO	yes	F	P Aurenche T. Binoth M. Fontannaz J.Ph. Guillet G. Heinrich E. Pilon M. Werlen	computes processes involving photons, hadrons and jets in DIS and at hadron colliders
MCFM	pp -> V + <=2j V + QQbar Vg VV VH H + <=1j QQbar H + QQbar ttbar + bbbar ttbar +2g	NLO LO	yes	F	J. Campbell K. Ellis	calculates a number of processes involving vector bosons, Higgs and jets at hadron colliders; decays of vector bosons, Higgs and heavy quarks are included
heavy quark production	pp -> QQBar	NLO	yes	F	M. Mangano P. Nason G. Ridolfi	calculates fully differential heavy quark cross sections at hadron colliders
single top	pp -> t	NLO	no	F	B. Harris E. Laenen L. Phaf Z. Sullivan S Weinzierl	fully differential calculation of single top production in hadron-hadron collisions
DYRAD	pp -> V + <=1j	NLO	yes	F	W. Giele N. Glover D. Kosower	calculates inclusive 0-jet and 1-jet production in association with a vector boson at hadron colliders
JETRAD	pp -> <=2j	NLO	yes	F	W. Giele N. Glover D. Kosower	calculates inclusive 1-jet and 2-jet production at hadron colliders, with built-in jet algorithms
2gamma + jet	pp -> 2g + 1j	NLO	yes	F	V. del Duca F. Maltoni Z. Nagy Z. Trocsanyi	background to Higgs + jet production
Higgs + QQbar	pp -> H + QQbar	NLO	no	F	S. Dawson C. Jackson L. Orr L. Reina D. Wackeroth
Higgs + QQbar	pp -> H + QQbar	NLO	no	F	W. Beenakker S. Dittmaier M. Kramer B. Plumper M. Spira P. Zerwas
Higgs + single b	pp -> H + b	NLO	no	F	J. Campbell K. Ellis F. Maltoni S. Willenbrock	NLO corrections to the leading order g + b -> H + b process
Higgs + jet	pp -> H + 1j	NLO	no	F	V. Ravindran J. Smith W. van Neerven	gluon fusion/top loop mechanism
Higgs + jet	pp -> H + 1j	NLO	no	F	C. Glosser C. Schmidt	gluon fusion/top loop mechanism
Higgs + 2 jets via VBF	pp -> H + 2j	NLO	no	F	T. Figy C. Oleari D. Zeppenfeld	complete NLO QCD corrections to the qq->Hqq vector boson fusion process
HIGLU	pp -> H	NLO	yes	F	M. Spira	NLO QCD corrections to SM and SUSY Higgs total cross sections for the gluon fusion/top and bottom loop mechanism
Higgs at NNLO	pp -> H	NNLO	no	F C	R. Harlander W. Kilgore	calculates total Higgs cross sections for the gluon fusion/top loop mechanism, also for pseudoscalar Higgs bosons
Higgs at NNLO	pp -> H	NNLO	no	F	V. Ravindran J. Smith W. van Neerven	calculates total Higgs cross sections for the gluon fusion/top loop mechanism, also for pseudoscalar Higgs bosons
Higgs and vector bosons at NNLO	pp -> H V	NNLO	no	F	C. Anastasiou L. Dixon K. Melnikov F. Petriello	calculates total Higgs cross section and rapidity distribution for the gluon fusion/top loop mechanism, also for pseudoscalar Higgs bosons; vector boson rapidity distribution
WGRAD/ZGRAD	pp -> V -> 2l	NLOEW	yes	F	U. Baur O. Brein W. Hollik S. Keller C. Schnappacher D. Wackeroth	full O(alpha) electroweak corrections to W, Z and Drell-Yan production at hadron collideres
Legacy++/ResBos	pp -> V (-> ll) pp -> H (-> gg) pp -> H (-> ZZ) pp -> gg pp -> ZZ pp -> WH pp -> ZH pp (bbar) -> H⁺ pp (bbar) -> A⁰	RS/ NLO	yes	C/F	C. Balazs P. Nadolsky C.-P. Yuan	a Monte-Carlo integrator program for transverse momentum resummation in Drell-Yan-like processes, with leptonic decay of final bosons; an online plotter of resummed cross sections; resummed NLO with elements of NNLO.
RhicBos	pp -> V (-> ll) with polarized beams	RS/ NLO	yes	F	P. Nadolsky C.-P. Yuan	q_T resummation for production and decay of vector bosons in polarized pp collisions; resummed NLO with elements of NNLO.
ResBos_DIS	ep -> e (light hadron) ep -> e (energy flow)	RS/ NLO	yes	F	P. Nadolsky, C.-P. Yuan	a Monte Carlo q_T resummation program for semi-inclusive deep inelastic scattering
ResBos_HQ	ep -> e Q	RS/ LO	no	F	P. Nadolsky C.-P. Yuan	A Monte Carlo resummation program for heavy flavor production in a massive variable-flavor number scheme
MC@NLO	pp -> H V VV QQbar	NLO/ PS	yes	F	S. Frixione P. Nason B. Webber	combines a Monte Carlo event generator with exact NLO calculations of rates for QCD processes at hadron colliders
PYTHIA	ee -> X ep -> X pp -> X	PS	yes	F	T. Sjostrand L. Lonnblad S. Mrenna P. Skands	general-purpose generator for hadronic events in pp, ep and ee collisions
HERWIG	ee -> X ep -> X pp -> X	PS	yes	F	G. Marchesini B. Webber G. Abbiendi G. Corcella I. Knowles S. Moretti K. Odagiri P. Richardson M. Seymour L. Stanco	general-purpose generator for hadronic events in pp, ep and ee collisions
Vrap	pp -> V	NLO	yes	C++	C. Anastasiou L. Dixon K. Melnikov F. Petriello	calculates inclusive rapidity distribution for single electroweak vector boson production at hadron colliders

This version: August 2008

Last updated: Wed Aug 6 15:29:10 2008