This is a list of changes to higlu.f since October 1995: September 21 2018: - commented out all calls to the subroutine soft (thanks to M. Battaglia and J. Baglio) March 19 2018: version 4.50: - added option for cxn integrated from pTmin to pTmax May 19 2016: version 4.40: - bug fix in HDECAY interface for MSbar quark masses (thanks to R. Harlander, A. Lazopoulos and H. Mantler) January 13 2016: version 4.34: - bug fix in SLHA interface - bug fix for pseudoscalar Higgs: missing variable defined (thanks to A. Arbey) December 16 2015: version 4.33: - bug fixes in matching to dim5 operators December 4 2015: version 4.32: - scale dependence of c_g improved - flag setting corrected December 4 2015: version 4.31: - added an extensive comment card at the beginning of higlu.f explaining the input in higlu.in - linked to new version 6.50 of HDECAY (using MSbar masses for bottom and charm as input) October 14 2015: version 4.30: - NNLL scale dependence of point-like Hgg coupling c_g included -> input scale added to input file - typos corrected (no numerical impact) September 4 2015: - Typos in NNLO scale dependence corrected April 17 2015: version 4.20: - Extension to inclusion of dim5 operator L_6 = c_g \alpha_s/\pi G^{a\mu\nu} G^a_{\mu\nu} H/v up to NNLO in the inclusive cross section (including the mismatch of virtual corrections originating from the effective Lagrangian compared to the top loops) and at LO for the pT distribution (that contributes to the NLO corrections to the inclusive cross section). April 7 2015: - Typo in NNLO scale dependence corrected. Numerical impact only for different renormalization and factorization scales. March 6 2015: - Typo in SM4 extension corrected. March 3 2015: version 4.10: - link to new HDECAY version 6.41 - addition of charm loops (a per-cent effect on the cxn) December 10 2013: version 4.00: major upgrade - general link to HDECAY 6.00 with 2HDM extension - calculation of consistent LO, NLO and NNLO cross sections in a single run (all three PDFs need to be defined in higlu.in) - model determined by hdecay.in in HDECAY style - NNLO corrections (in the heavy quark limit) only added to top-loop contributions (and t'/b'-loop contributions in the SM4) in all models - optionally the SM elw. corrections can be included within the 2HDM by rescaling them by the HWW/HZZ coupling factors as an approximation December 2 2013: - Typos in NNLO corrections to pseudoscalar Higgs production corrected (numerical impact small) (thanks to R. Harlander). November 21 2013: - Typos in NNLO corrections to pseudoscalar Higgs production corrected (numerical impact small) (thanks to R. Harlander). October 31 2012: - Bug in feynhiggs.f corrected (not our fault) October 16 2012: - bug for bottom loops corrected (does not affect results using the bottom pole mass) October 11 2011: version 3.11 - update of the grid for elw. corrections within the SM4 September 20 2011: version 3.10: - inclusion of elw. SM4 corrections for m_b'=600 GeV and m_t' = m_b' + 50*(1+log[M_H/(115 GeV)]/5) GeV. Please, cite the following paper for these corrections: %\cite{Passarino:2011kv} \bibitem{Passarino:2011kv} G.~Passarino, C.~Sturm, S.~Uccirati, %``Complete Electroweak Corrections to Higgs production in a Standard %Model with four generations at the LHC,'' [arXiv:1108.2025 [hep-ph]]. July 6 2011: version 3.01: - small refinement in the NNLO QCD corrections within the SM4 July 5 2011: version 3.00: major upgrade - NNLO QCD corrections and mixed elw./QCD corrections to total cxn included - NNLO evolution of alpha_s included - Extension to 4th-generation SM4 @ NNLO added February 16 2011: version 2.504: Bugs in initialization of the quark masses corrected (thanks to S. Liebler) January 28 2011: version 2.503: Decoupling of quark masses inside the loops from quark masses for alpha_s in order to allow for 4th-generation quarks etc. November 26 2010: version 2.502: Bug in transformation from bottom pole mass to MSbar mass corrected, numerical effect small November 5 2010: version 2.501: Bug in Higgs pT distribution in the gq channel corrected. Numerical effect small (thanks to R. Harlander and H. Mantler). April 20 2010: version 2.500: - Flag for electroweak corrections provided with check if calculation within the SM - Squark loops added for MSSM including the pure QCD corrections of %\cite{Muhlleitner:2006wx} \bibitem{Muhlleitner:2006wx} M.~Muhlleitner and M.~Spira, %``Higgs boson production via gluon fusion: Squark loops at NLO QCD,'' Nucl.\ Phys.\ B {\bf 790} (2008) 1 [arXiv:hep-ph/0612254]. %%CITATION = NUPHA,B790,1;%% The Squark couplings G_SBi, G_STi are the ones of Eqs.(21,25,29) of this paper, if MODEL = 0. Within the MSSM they multiply the MSSM couplings, i.e. G_SBi = G_STi = 1 defines the MSSM. February 18 2010: - version 2.400: Electroweak corrections to SM Higgs boson production implemented in factorized form (thanks to G. Passarino et al.). Please, cite the following papers for these corrections: %\cite{Actis:2008ts} \bibitem{Actis:2008ts} S.~Actis, G.~Passarino, C.~Sturm and S.~Uccirati, %``NNLO Computational Techniques: the Cases H -> gamma gamma and H -> g g,'' Nucl.\ Phys.\ B {\bf 811} (2009) 182 [arXiv:0809.3667 [hep-ph]]. %%CITATION = NUPHA,B811,182;%% %\cite{Actis:2008ug} \bibitem{Actis:2008ug} S.~Actis, G.~Passarino, C.~Sturm and S.~Uccirati, %``NLO Electroweak Corrections to Higgs Boson Production at Hadron %Colliders,'' Phys.\ Lett.\ B {\bf 670} (2008) 12 [arXiv:0809.1301 [hep-ph]]. %\cite{Actis:2008uh} \bibitem{Actis:2008uh} S.~Actis, G.~Passarino, C.~Sturm and S.~Uccirati, %``Two-Loop Threshold Singularities, Unstable Particles and Complex Masses,'' Phys.\ Lett.\ B {\bf 669} (2008) 62 [arXiv:0809.1302 [hep-ph]]. %%CITATION = PHLTA,B669,62;%% November 20 2009: - Link to LHAPDF implemented. Fortran compiler gfortran added to makefile. Links to PDFLIB, MRST2001 and MSTW2008 removed (included in LHAPDF). October 16 2009: - Option to choose between bottom pole mass and bottom MSbar mass (including independent scale choice) added ********************************************************** BOTTOM MASS: 0 = POLE MASS 1 = MSBAR MASS ============ SCALE = MU_1*M_HIGGS + MU_2 (FOR MSBAR MASS) BOTMASS = 0 MU_1 = 0.D0 MU_2 = 10.D0 ********************************************************** Careful: Best choices are pole mass or MSbar bottom mass at a scale of O(m_b) due to large logs if the scale is of O(Higgs mass)! (see Fig.7a of NPB453 (1995) 17) --> version 2.300 October 15 2009: - Link to MSTW2008 PDFs - dsigma/p_T and d2sigma/dp_T/dy distributions added (LO): ********************************************************** DISTRIBUTIONS: 0=TOT CXN 1=D2SIGMA/DP_T/DY 2=DSIGMA/DP_T ============= (ONLY FOR GG --> H) DISTRIB = 0 P_T = 100.D0 Y = 0.D0 ********************************************************** --> version 2.200 Note that the central scale for the pt distributions is defined to be the transverse mass by default! April 3 2006: - Adding delta_mb corrections to bottom Yukawa couplings March 1 2006: - Removing an instability in the subroutine AMHAMA (thanks to P. Trueb) April 12 2005: - Link to CTEQ6 and MRST2001 PDFs (NGROUP = -1: CTEQ6 -2: MRST2001) November 7 2003: - Lines 919,920 added due to problems with g77 compiler (thanks to M. Schumacher) November 6 2003: - Lines 491-495 commented out to allow arbitrary Yukawa couplings (thanks to M. Schumacher) February 28 2003: - Extension of MSSM subroutines such that they are in agreement with HDECAY (version 3.0) now.