1G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

Search for exotic resonances &

MSSM Higgs bosonsat

CMS/LHC

G. Daskalakis

2G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

CMS Experiment

LHC machine stopped p-p collisions mid-December 2012.

CMS detector performance was excellent!

~ 250 papers in various physics topics.

8 TeV

3G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

2012 Activities in CMS

RUNNIG PHASEService Work - ECAL Dead Channel recovery algorithms- FAST SIMULATION validation

PHYSICS ANALYSISExotic Searches ( Z’e+e- : ~ 5 fb-1 2012, full data 2013 )Exotic Searches ( W’WZ(lv)(jj) : ongoing )MSSM Higgs Searches ( AZhllbb : ongoing )

EDUCATIONPractice work (Marios Maroudas, University of Patras)

“Theories that predict additional heavy W’ & Z’ bosons”

CMS ARC (Analysis Review Committee)Electron Charge Asymmetry in Inclusive W Production (SMP-12-001)

Published in Phys. Rev. Lett. 109, 111806 (2012) ( G.D. served as ARC chair)

International Conferences (on behalf of CMS) Standard Model @ LHC 2012 (Inclusive W & Z measurements in CMS)

4G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

2012 Service for INPP

Service Work for “ ΚΡΗΠΙΣ ”

1 400 000 euros

5G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

Z’Z’ee++ee-- Searches (2012) Searches (2012)P

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Part of the INPP obligations THALIS program ( GENESIS@LHC )

INPP team : V.Giakoumopoulou, S.Kesisoglou, G.Daskalakis

Well integrated within EXOTICA CMS group. More details from V.Giakoumopoulou.

6G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

ZZ'ee++ee-- Searches (2012) Searches (2012)Data samples: 5.3 fb-1 (7 TeV) + 4.1 fb-1 (8 TeV)

The full 8 TeV dataset (20 fb-1) was also analyzed in 2013.

Results:No evidence for a heavy narrow resonance is observed.

Exclusion limits:- Sequential Standard Model Z'SSM resonance lighter than 2590 GeV,

- Superstring-inspired Z'Ψ lighter than 2260 GeV,

- Kaluza-Klein gravitons lighter than 2390 (2030) GeV, assuming that the coupling parameter k/ΜPl is 0.10 (0.05).

7G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

ZZ'ee++ee-- Searches (PDF Uncertainties) Searches (PDF Uncertainties)

Goal:PDF uncertainties for the normalized DY cross sections to the Z peak.

Directly used in the Z’ search.

Details:Full study in NNLO & NLO in QCD.

PDF sets: MSTW2008, CTEQ12, NNPDF21

Cross section estimations: Fully Exclusive W and Z package, FEWZ [2], at 68% C.L.

Results:250 GeV ~ 3-4% relative uncertainty 3 TeV ~ 33% -//-

8G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

ZZ'ee++ee-- Searches (PDF Uncertainties) Searches (PDF Uncertainties)

PDF uncertainty of the cross section ratios versus the di-lepton invariant mass.

PDF4LHC recipe applied on NNLO estimations from MSTW2008, CTEQ12 and NNPDF21 PDF sets.

NNLO/NLO cross sections for MSTW2008, CTEQ12 and NNPDF21 PDF versus the di-lepton invariant mass.

NNLO calculations with different PDF sets introduces uncertainties which are not covered by the PDF4LHC recipe for NNLO uncertainties based on NLO extrapolations.

9G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

ECAL Energy Recovery AlgorithmsECAL Energy Recovery AlgorithmsINPP team : V.Giakoumopoulou, S.Kesisoglou, G.Daskalakis

Well integrated within ECAL Detector Performance CMS group.

More details from S.Kesisoglou

Goals/Results:

Recovery of the energy of non-functioning ECAL crystals.

Corrections for isolated electrons or photons.

Corrections for ECAL Barrel & Endcaps.

Official code in CMS Framework.

To be used by several physics studies & searches.

10G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

ECAL Energy Recovery AlgorithmsECAL Energy Recovery Algorithms

Energy resolution in ECAL Barrel

11G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

WW''WZWZlvjj lvjj Searches Searches Part of the INPP obligations THALIS program ( GENESIS@LHC )

INPP team : S.Kesisoglou, G.Daskalakis, K. Kousouris (CERN)

First steps in the analysis & feasibility studies. More details from S.Kesisoglou.

Results from W'lv

EX

O-1

2-06

0

EX

O-1

2-14

12G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

MSSM Higgs Searches MSSM Higgs Searches Part of the INPP obligations THALIS program ( GENESIS@LHC )

INPP team : V.Giakoumopoulou, G.Anagnostou, T. Geralis, G. Daskalakis

Integrated within Hbb & HiggsEXO CMS groups. Details from V.Giakoumopoulou.

Looking for the CP-odd pseudoscalar Higgs (A) via its decay into a Z boson and the lighter CP-even scalar Higgs (h) which might be the Higgs-like boson recently discovered.

Main production mechanism for A: gg A, ppbbA.

Largest Br(AZh) : low tan & Mz+Mh MA 2Mtop.

First steps in the analysis & feasibility studies.

13G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

MSSM Higgs Searches MSSM Higgs Searches

A. Djouadi & J. Quevillon: arXiv:1304.1787v1 [hep-ph] 5 Apr 2013

• Implication of Higgs discovery at Mh = 126 GeV SUSY scale in MSSM might be high MS>>MZ

• The unknown scale MS and some other leading SUSY parameters can be traded against the measured value of Mh, leaving only MA & tanβ as free parameters in the Higgs sector.

• Phenomenological consequence of high MS values reopen the low tanβ region , tanβ 3-5

14G. Daskalakis “Exotic resonances & MSSM Higgs searches at CMS/LHC” - 3 rd Annual INPP Meeting (17 June 2013)

SUMMARY

model