Les Houches
2023 Session
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- Use of wiki pages and slack. Wifi access/set-up.
- Important info about bus, lodging, facilities.
- Bulletins.
Wikis of Previous sessions
Les Houches Themes
(Lyrics and Music)
(Lyrics and Music)
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Wishlist part 1 - Higgs (V=W,Z)
Process | known | desired | motivation |
H | d\sigma @ NNLO QCD d\sigma @ NLO EW finite quark mass effects @ NLO | d\sigma @ NNNLO QCD + NLO EW MC@NNLO finite quark mass effects @ NNLO | H branching ratios and couplings |
H+j | d\sigma(gg) @ NNLO QCD d\sigma @ NLO EW | d\sigma @ NNLO QCD + NLO EW finite quark mass effects @ NLO | H p_T |
H+2j | \sigma_tot(VBF) @ NNLO(DIS) QCD d\sigma(gg) @ NLO QCD d\sigma(VBF) @ NLO EW | d\sigma | H couplings |
H+V | d\sigma(V decays) @ NNLO QCD d\sigma @ NLO EW | with H→bb @ same accuracy | H couplings |
t\bar tH | d\sigma(stable tops) @ NLO QCD | d\sigma(NWA top decays) @ NLO QCD + NLO EW | top Yukawa coupling |
HH | d\sigma @ LO QCD | d\sigma @ NLO QCD | Higgs self coupling |
Wishlist part 2 - jets and heavy quarks
Process | known | desired | motivation |
t\bar t | \sigma_tot @ NNLO QCD d\sigma(top decays) @ NLO QCD d\sigma(stable tops) @ NLO EW | d\sigma(top decays) @ NNLO QCD + NLO EW | precision top/QCD, gluon PDF effect of extra radiation at high rapidity top asymmetries |
t\bar t+j | d\sigma(NWA top decays) @ NLO QCD | precision top/QCD, top asymmetries | |
single-top | d\sigma(NWA top decays) @ NLO QCD | d\sigma(NWA top decays) @ NNLO QCD (t channel) | precision top/QCD, V_tb |
dijet | d\sigma(gg) @ NNLO QCD d\sigma @ NLO weak | d\sigma @ NNLO QCD + NLO EW | Obs.: incl. jets, dijet mass –> PDF fits (gluon at high x) –> alpha_s CMS x sections: http://arxiv.org/abs/1212.6660 |
3j | d\sigma @ NLO QCD | d\sigma @ NNLO QCD + NLO EW | Obs.: R3/2 or similar –> alpha_s at high pT dom. uncertainty: scales see http://arxiv.org/abs/1304.7498 (CMS) |
\gamma+j | d\sigma @ NLO QCD d\sigma @ NLO EW | d\sigma @ NNLO QCD + NLO EW | gluon PDF, \gamma+b for bottom PDF |
Wishlist part 3 - EW gauge bosons (V=W,Z)
Process | known | desired | motivation |
V | d\sigma(lept. V decay) @ NNLO QCD + EW | d\sigma(lept. V decay) @ NNNLO QCD + NLO EW MC@NNLO | sea quark PDF |
V+j | d\sigma(lept. V decay) @ NLO QCD + EW | d\sigma(lept. V decay) @ NNLO QCD + NLO EW | Z+j for gluon PDF W+c for strange PDF |
V+jj | d\sigma(lept. V decay) @ NLO QCD | d\sigma(lept. V decay) @ NLO QCD + NLO EW | study of systematics of H+jj final state |
VV' | d\sigma(V decays) @ NLO QCD d\sigma(stable V) @ NLO EW | d\sigma(V decays) @ NNLO QCD + NLO EW | background H → VV TGCs |
gg → VV | d\sigma(V decays) @ LO | d\sigma(V decays) @ NLO QCD | bkg to H→VV |
V\gamma | d\sigma(V decay) @ NLO QCD d\sigma(PA, V decay) @ NLO EW | d\sigma(V decay) @ NNLO QCD + NLO EW | TGCs |
Vb\bar b | bgk to VH(→bb) | ||
VV'\gamma | d\sigma(V decays) @ NLO QCD | d\sigma(V decays) @ NLO QCD + NLO EW | QGCs, EWSB |
VV'V'' | d\sigma(V decays) @ NLO QCD | d\sigma(V decays) @ NLO QCD + NLO EW | QGCs, EWSB |
VV'+1jet | d\sigma(V decays) @ NLO QCD | d\sigma(V decays) @ NLO QCD + NLO EW | bkg for BSM searches |
VV'+2j | d\sigma(V decays) @ NLO QCD | d\sigma(V decays) @ NLO QCD + NLO EW | QGCs, EWSB |
\gamma\gamma | d\sigma @ NNLO QCD | bkg to H→\gamma\gamma |