CLICdp WG Analysis Meeting

Monday 10 Feb 2020, 14:00 → 16:00 Europe/Zurich

4/S-030 (CERN)

Apoligies: Ulrike, Victoria, Filip, Feno

14:00 → 14:10 Status of the MC production

Speakers: Jean-Jacques Blaising (Centre National de la Recherche Scientifique (FR)), Ulrike Schnoor (CERN)

Hist_h1xMEEg_e1E1a_sm_400-TFF_poL0_cutsEPh10ThPh10NoQGP_380.001_D0No1000AllE1E1.pdf

Paper on generator for radiative Bhabha scattering

Current status of productions: https://twiki.cern.ch/twiki/bin/view/CLIC/MonteCarloSamplesForCLICdet

Recent Whizard discussions - for those interested:

• automatic flavor summation with charge-conjugated final states: https://answers.launchpad.net/whizard/+question/687913 (takeway: don't sum automatically over lists of particles when applying cuts on part of the list only)
• Bhabha scattering ongoing discussion with some news: https://answers.launchpad.net/whizard/+question/685180
• https://answers.launchpad.net/whizard/+question/687416 chaining of the polarization density matrix from the beam with the polarization transfer matrix for EPA is wrong

Recently finished:

• HHqq at 3 TeV for the ZHH analysis: prod IDs 14364, 14365
• ee->qqlnu at 3 TeV: 14509-14562 https://twiki.cern.ch/twiki/bin/view/CLIC/MonteCarloSamplesForCLICdet#Various_signal_and_backgroun_AN1 Due to the extremely high number of hits for very few events (<0.1% of events) originating from very forward electrons (which most analyses will anyway not consider), a small number of jobs did not finish. The resulting bias is negligible.

Running:

• qqll at 3 TeV 14654 - 14659 (1M for negative, 500k for positive polarisation)

Planned next productions:

• ee->qqlnu at 1.5TeV
• ee->qq; ee->qqll; ee->qqnunu; ee->qqqqlnu; ee->qqlnununu; ee->qqlnulnu at 1.5 and 3 TeV
• still investigating the issues with radiative Bhabha scattering with Whizard authors and Jean-Jacques Blaising

For requests, please send me the information described here: https://twiki.cern.ch/twiki/bin/view/CLIC/MonteCarloSamplesForCLICdet#Requests

14:10 → 14:30 Update on H->gammagamma at 3 TeV [postponed to next meeting]

Speaker: Goran Kacarevic (University of Belgrade (RS))

14:30 → 14:50 Update on ZHH at 3 TeV

Speaker: Matthias Artur Weber (CERN)

200210_CLIC_HHZ.pdf

14:50 → 15:10 Update on the mono-photon background simulation

Speaker: Pawel Sopicki (University of Warsaw (PL))

sopicki_WG_10II20.pdf