CLIC08 Workshop, October 2008, CERN

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Presentation transcript:

CLIC08 Workshop, 14-17 October 2008, CERN CLIC Signals Studies Aysuhan Ozansoy, Ankara University with co-authors: O. Çakır and İ.Türk Çakır CLIC08 Workshop, 14-17 October 2008, CERN A.Ozansoy, CLIC08

Basic Physics Channels particle jets type of particle Momentum distr. Angular distr. Particle charge … + Jet opening angle Particle distr. inside the jet Prior to the full det. sim. for CLIC it seems very important to know what we are looking for. A.Ozansoy, CLIC08

Processes Analyzed PT, energy & angular distrubitions are being investigated. A.Ozansoy, CLIC08

tall & subsequent decays of W Pythia result @s= 500 GeV s= 500 GeV =0.56 pb s= 3 TeV =1.9910-2 pb For comparison Calchep results (Calchep2.5.j, Pukhov et al. ) A.Ozansoy, CLIC08

A.Ozansoy, CLIC08

with Pythia 6.4.18 (T.Jostrand et al.) pT distributions @ s=0.5 TeV Nev=10000 Entries/2.5 GeV A.Ozansoy, CLIC08

pT distributions @ s=3 TeV Nev=50000 Entries/15 GeV A.Ozansoy, CLIC08

Angular distributions @ s=0.5 TeV Nev=10000 Entries/bin(5 deg) GeV A.Ozansoy, CLIC08

Angular distributions @ s=3 TeV Nev=50000 Entries/bin(5 deg) GeV A.Ozansoy, CLIC08

gV_d=-0.693 ! V coupling of Z' to down type quarks Parameters: MZ‘ =750 GeV gV_d=-0.693 ! V coupling of Z' to down type quarks gA_d=-1. ! A coupling of Z' to down type quarks gV_u=0.387 ! V coupling of Z' to up type quarks gA_u=1. ! A coupling of Z' to up type quarks gV_e=-.8 ! V coupling of Z' to charged leptons gA_e=-1. ! A coupling of Z' to charged leptons gV_nu=1. ! V coupling of Z' to neutrinos gA_nu=1. ! A coupling of Z' to neutrinos A.Ozansoy, CLIC08

With lumi. Spectrum (SPECTRUM 1, CLIC01 , D. Schulte) A.Ozansoy, CLIC08

Z’ event as seen at CLIC000 A.Ozansoy, CLIC08

Conclusion Results for s= 0.5 TeV process PT (GeV) cos E distr. (GeV) ttbar e,:30 b,j:40 :30 e,:-1,1 b:-1 j:-1,1 b:40-180 j:40 :40 ZZ b,j:-1,1 e,:30, 220 b:30, 220 j:30, 220 :30, 220 WW e,:40 e,:-1 e,:200 j:30,230 A.Ozansoy, CLIC08

Results for s= 3 TeV process PT (GeV) cos E distr. (GeV) ttbar e,,b: 1250 j:1500 :1500 e,:-1,1 b:-1 j:-1,1 e,:1250 b:1250 ZZ e,:1500 b,j:1500 b,j:-1,1 b:1500 WW e,: 1250 e,:-1 j: 1500 : 1500 A.Ozansoy, CLIC08