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  Main directions of HEPD PNPI

H i g h    E n e r g y   P h y s i c s

HEPD participation in the LHC projects:

Overall view of the LHC experiments A new stage in high energy physics is related with the construction of Large Hadron Collider (LHC) at CERN for proton-proton collisions (7 TeV+7 TeV). LHC has been launched at 2009. HEP Division participated in the design and construction of the all 4 major detectors for LHC: ATLAS,CMS, ALICE, LHCb. HEPD physicists are involved into data taking and data analysis at LHC.
(For more detail review see PNPI HEPD Report "Participation in LHC experiments" (.pdf - 4Mb) and in report "Main scientific activities of High Energy Physics Division in 2007-2012" - pages 24-73).

3d view of the CMS detector Participation in CMS project.
CMS is a general purpose collider detector at LHC.
HEP Division participates in construction of the End Cap Muon System of the CMS Detector. PNPI should build 120 six-plane Muon Chamberscontaining about 500000 anode wires.
Also, HEPD is involved in development of the chamber electronics, the multi-channel high voltage system, and the muon trigger system.
(For more detail review see article "CMS EXPERIMENT" in PNPI HEPD Report " Participation in LHC experiments" -
page 6) and article "CMS EXPERIMENT" in report "Main scientific activities of High Energy Physics Division in 2007-2012" - pages 24-35).
Publications see here.

Overall layout of the Atlas Detector Participation in ATLAS project.
ATLAS is a general purpose collider detector at LHC.
HEP Division participates in construction of the Transition Radiation Tracker (TRT) which is a part of the ATLAS Inner Detector. The main contribution of PNPI will be construction of 50 four-plane End Cap TRT modules containing 150000 straw tubes.
(For more detail review see article "TRANSITION RADIATION TRACKER FOR ATLAS PROJECT" in PNPI HEPD Report " Participation in LHC experiments" - page 15) and article "ATLAS EXPERIMENT" in report "Main scientific activities of High Energy Physics Division in 2007-2012" - pages 36-48).
Publications see here.

The LHCb detector Participation in LHCb project.
LHCb detector should focus on problems of CP-violation physics with b-quarks. HEPD proposed and carried out R&D of the Muon System approved by the LHCb Collaboration. HEPD should build 600 four-layers muon chambers.
(For more detail review see article "LHCb EXPERIMENT" in PNPI HEPD Report " Participation in LHC experiments" - page 22) and article "LHCb Experiment" in report "Main scientific activities of High Energy Physics Division in 2007-2012" - pages 49-60).
Publications see here.

The general view of the ALICE detector. Participation in ALICE project.
ALICE detector is dedicated for search of quark-gluon plasma in heavy-ion collisions at LHC. HEPD is involved in R&D and construction of proportional chambers with cathode readout for End Cap Muon System of ALICE detector.
(For more detail review see article "PNPI IN ALICE" in PNPI HEPD Report " Participation in LHC experiments" -
page 30) and article "ALICE Experiment" in report "Main scientific activities of High Energy Physics Division in 2007-2012" - pages 61-73).
Publications see here.


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Last update on:   by   Svetlana F. Udalova