02-1-1096-2010/2019
 
Priority: 1
   
Status: Being concluded


Study of Rare Charged Kaon Decays and Search for Dark Sector 

in Experiments at the CERN SPS

 

Leaders:     V.D. Kekelidze
Yu.K. Potrebenikov
Deputy:     D.V. Peshekhonov


Participating countries and international organizations:
Belgium, Bulgaria, CERN, Canada, Chile, Czech Republic, Germany, Italy, Mexico, Romania, Russia, Slovakia, Switzerland, United Kingdom, USA. 

Issues addressed and main goals of research:
Realization of the NA62 Project allows to clarify CP-violation problem, to measure precisely very rare charged kaon decay to charged pions and two neutrinos, to carry out a search for supersymmetric particles and their partners with a goal to observe a physics beyond the Standard Model. In addition, characteristics of rare kaon and hyperon decays will be improved. A high resolution straw-detectors of the NA62 magnetic spectrometer working in vacuum will be supported during experimental runs. Software for simulation, data processing and analysis will be developed.
The Na64 experiment is a fixed-target esperiment at the CERN SPS combining the active beam dump and missing energy techniques to search for rare events. The experiment will build and operate a fully germetic detector with the primary goal to search for light dark bozons (Z') from dark sector that are coupled to photons, e.g. dark photons (A'), or sub-GeV Z' coupled only to quarks. In some cases the Z' is coupled only to µ or , so we call the Z' the dark leptonic gauge boson. The experiment is also capable to search KL invisible decay, which is complementary to K+  + +  , and invisible decays of  0 'KS mesons. 

Expected major results in the current year:

  • Data taking by the NA62 set-up and data analysis will be carried out. 

  • Software for the simulation of magnetic spectrometer and full set-up will be developed; system for detector calibration and event reconstruction will be upgraded; common software of the experiment will be developed. 

  • Calibration, testing a nd support of the NA62 straw detectors will be carried out. 

  • Tracking detectors for NA64 experiment based on the straw tube technology will be developed and manufactured. 

  • Data taking by the NA64 set-up and data analysis will be carried out. 
List of projects:
  Project Leader Priority 
(period of realisation)
1. NA62 V.D. Kekelidze
Yu.K. Potrebenikov
1   (2010-2021)
2. NA64 V.A. Matveev
D.V. Peshekhonov
1   (2017-2019)

 

List of Activities
  Activity or Experiment Leaders
Status
  Laboratory or other
Division of JINR
Responsible person
Main researchers
1. Experiment NA62 V.D. Kekelidze
Yu.K. Potrebenikov
Data taking
Data analysis
  VBLHEP A.A. Belkova, D. Baygarashev, V.P. Falaleev, D.D. Emelyanov, T.L. Enik, S.R. Gevorgyan, L.N. Glonti, V.N. Gorbunova, E.A. Gudzovsky, A.M. Korotkova, D.T. Madigozhin, N.A. Molokanova, S.A. Movchan, M.H. Misheva, I.A. Polenkevich, S.N. Shkarovsky
2. Experiment NA64 V.A. Matveev
D.V. Peshekhonov
Preparation
Data taking
Data analysis
  VBLHEP I.V. Boguslavsky, T.L. Enik, A.A. Festchenko, G.D. Kekelidze, V.A. Kramarenko, V.M. Lysan, S.S. Parzhitsky, V.V. Pavlov, L.N. Tarasova, P.V. Volkov, E.V. Vasilieva, I.A. Zhukov, A.V. Zinin

 

Collaboration
Country or International
Organization
City Institute or Laboratory
Belgium Louvain-la-Neuve UCL  
Bulgaria Sofia SU  
  Blagoevgrad SWU  
  Plovdiv PU  
CERN Geneva CERN  
Canada Vancouver UBC  
    TRIUMF  
Chile Valparaiso UTFSM  
Czech Republic Prague CU  
Germany Mainz JGU  
  Bonn UniBonn  
Italy Florence INFN  
  Ferrara INFN  
  Frascati INFN LNF  
  Naples INFN  
  Perugia INFN  
  Pisa INFN  
  Rome INFN  
    Univ. "Tor Vergata"  
  Turin INFN  
Mexico San Luis Potosi UASLP  
Romania Bucharest IFIN-HH  
Russia Moscow, Troitsk INR RAS  
  Moscow LPI RAS  
  Protvino IHEP  
  Tomsk TPU  
Slovakia Bratislava CU  
Switzerland Zurich ETH  
United Kingdom Birmingham Univ.  
  Bristol Univ.  
  Glasgow U of G  
  Lancaster LU  
  Liverpool Univ.  
USA Boston, MA BU  
  Fairfax, VA GMU  
  Menlo Park, CA SLAC  
  Merced, CA UCMerced  
  Upton, NY BNL