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02-1-1083-2009


CMS. Compact Muon Solenoid at the LHC


Theme leader:

V.Yu. Karjavin

Scientific leader:        

V.A. Matveev


Participating countries and international organizations:

Armenia, Austria, Belarus, Belgium, Brazil, Bulgaria, CERN, China, Croatia, Cyprus, Czech Republic, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, India, Iran, Ireland, Italy, Lithuania, Mexico, Montenegro, Netherlands, New Zealand, Pakistan, Poland, Republic of Korea, Russia, Serbia, Spain, Switzerland, Taiwan, Turkey, United Kingdom, USA, Uzbekistan.


The problem under study and the main purpose of the research:

Development and realization of a research program at the LHC accelerator complex to study phenomena within the standard model and beyond; modernization, commissioning and operation of the CMS experimental complex.

 

Projects in the theme:


 

Name of the project

Project Leader

Project code

1.

CMS

V.Yu. Karjavin

02-1-1083-1-2010/2025

2.

Upgrade of the CMS Detector

V.Yu. Karjavin

02-1-1083-2-2014/2026

Projects:


 

Name of the project
    
Laboratory (Subdivision)

Project Leader
Responsible from laboratories

Status


1.

CMS

V.Yu. Karjavin

Realization



 

VBLHEP, MLIT, BLTP, UC

the list of participants is given in Activities



Brief annotation and scientific rationale:
The goal of research is to study the physics of pp collisions at the Large Hadron Collider (LHC) using data collected with the CMS detector, corresponding to an integrated luminosity of up to 450 fb-1; data taking, data processing and analysis to obtain new physics results in the following fields:

  1. Searches for new physics with the dimuon in final states, based on extended gauge models and scenarios with TeV-scale gravity (extra dimension models)

  2. Searches for dark matter candidates with the dimuon/b-quarks in final states and missing transverse energy.

  3. Studies of Higgs boson properties and searches for new scalar bosons in lepton decays, predicted by extended Higgs sector.

  4. Studies of muon pair production in Drell-Yan process to test SM at new energy scale, measurement of weak mixing angle and parton distribution functions (PDF).

  5. Jet measurements for studies of hadronization, improvement of PDF and QCD coupling precision.

The project is also focused on the operation and study of performance of the CMS endcap detectors – hadron calorimeters (Hadron Endcap, HE) and forward muon stations (Muon Endcap, ME1/1).

 Expected results upon completion of the project:

  1. Experiments with the CMS Detector at the LHC, commissioning and ensuring operation of CMS hadron calorimetry and the forward muon stations during data taking at high luminosity and nominal energy.

  2. Development and realization of physics program to test the Standard Model and searches for physics beyond the Standard Model using data collected with the CMS detector facility at the LHC corresponding to an integrated luminosity of 450 fb−1 at a nominal center-of-mass energy. 

Expected results of the project in the current year:

  1. Tests of the Standard Model and searches for new physics with high energy muons and missing transverse energy in the final state based on processing and analysis of proton-proton collision data collected with the CMS detector at the LHC at a center-of-mass energy of up to 13.6 TeV, corresponding to an integrated luminosity of up to 300 fb-1; development and improvement of algorithms for reconstruction of high energy muons and jets.

  2. Maintance and operation of the CMS detectors, participation in data taking, data quality monitoring, and shifts.

  3. Development of software for GRID-based distributed system for data processing and analysis. Data transmission between the Tier-1/Tier-2 centers of CMS and JINR.

 Activities:



 

Name of the activity

Leaders

Status


 

Laboratory (Subdivision)

Responsible from laboratories



1.1.

Research physics programme
with the CMS detector

S.V. Shmatov

Realization




 

VBLHEP

V.Yu. Alexakhin, S.V. Afanasiev, P.D. Budkovsky, M.G. Gavrilenko, I.N. Gorbunov, A.Yu. Kamenev, A.V. Lanev, A.I. Malakhov, 

V.V. Shalaev, S.G. Shulga, I.A. Zhizhin, V.A. Zykunov



 

BLTP

M. Deka, G.A. Kozlov, M.V. Savina, O.V. Teryaev



 

MLIT

V.V. Korenkov, V.Yu. Korsakov, G.A. Ososkov, V.V. Palchik,
K.V. Slizhevsky, N.N. Voytishin




 

UC

B.S. Yuldashev

 

 

 



1.2.

Hadron calorimetry

A.V. Zarubin

Maintenance
Data taking




 

VBLHEP

P.D. Bunin, N.S. Golova, Yu.V. Ershov, A.M. Kurenkov

 

 

 



1.3.

Forward muon station
ME1/1

Yu. Karjavin

Maintenance
Data taking




 

VBLHEP

Yu.V. Ershov, A.O. Golunov, N.V. Gorbunov, A.Yu. Kamenev,
S.V. Kilchakovskaya, A.M. Kurenkov, A.M. Makan'kin,
V.V. Perelygin


 

MLIT

V.V. Palchik, N.N. Voytishin



 

UC

B.S. Yuldashev




1.4.

Development of software for
distributed computation, data
processing and analysis based
on GRID-technology

V.V. Korenkov
S.V. Shmatov

Realization




 

MLIT

A.G. Dolbilov, I.A. Filozova, A.O. Golunov, I.A. Kashunin,
V.V. Mitsyn, D.A. Oleynik, G.A. Ososkov, V.V. Palichik, 
A.Sh. Petrosyan, R.N. Semenov, T.A. Strizh, V.V. Trofimov,
N.N. Voytishin



 

VBLHEP

N.V. Gorbunov, A.O. Golunov



2.

Upgrade of the CMS Detector

V.Yu. Karjavin

Realization




 

VBLHEP, MLIT, BLTP, UC

The list of participants is given in Activities

 

Brief annotation and scientific rationale:

Starting from 2029 the LHC will be running at luminosity of 7.5×1034 cm-2c-1 (High Luminosity LHC, HL−LHC) that will allow increasing statistics by more than one order of magnitude (Lint ~ 3000 fb−1). The LS 3 for the LHC upgrade to HL−LHC is planned from 2026 to 2029. The main goal of the CMS upgrade in LS3 is to ensure effective work of all subsystems in HL−LHC era.

The main goal of this project is contribution to construction of the Highly Granularity Calorimeter (HGCal) and an upgrade of the CMS ME1/1 Cathode Strip Chambers.

Expected results upon completion of the project:

  1. Upgrade of the CMS Detectors with JINR responsibilities to ensure effective operation at high luminosity in pp−collisions at the nominal LHC energy.


Expected results of the project in the current year:

  1. Upgrade of the forward muon station ME1/1 and participation in gas chambers ageing study and the new gas mixture studies for endcap CSC.

  2. Construction of the experimental facility for complex tests of HGCal active elements.

  3. Development of the technology for manufacturing the HGCal cooling plates.


Activities:


 

Name of the activity

    Laboratory (Subdivision)

Leader

Responsible from laboratories

Status

2.1.

Upgrade of the forward muon station
ME1/1

Yu. Karjavin

Upgrade



VBLHEP

Yu.V. Ershov, A.O. Golunov, N.V. Gorbunov, A.Yu. Kamenev,
S.V. Kilchakovskaya, A.M. Kurenkov, A.M. Makan'kin,
V.V. Perelygin

 

 MLIT

V.V. Palchik, N.N. Voytishin

2.2.

Construction of the high granularity calorimeter

S.V. Afanasyev

Realization


2.2.1.

Experemental facility for complex
tests of HGCal
Сassettes

S.V. Afanasiev
A.I. Malakhov


2.2.2.

Cooling plates and sensors for the High Granularity Calorimeter

A.V. Zarubin


 

VBLHEP

V.Yu. Alexakhin, P.D. Bunin, B.V. Dubinchik, Yu.V. Ershov,
A.O. Golunov, N.V. Gorbunov, A.M. Kurenkov, V.A. Smirnov,
E.V. Sukhov, V.V. Ustinov, N.I. Zamyatin

 

MLIT

A. Khvedelidze, V.V. Korenkov, V.V. Palchik, I. Satyshev,
S.V. Shmatov, N.N. Voytishin


 

UC

B.S. Yuldashev

 

Collaboration

Country or International Organization


City


Institute or laboratory

Armenia

Yerevan

Foundation ANSL

Austria

Vienna

HEPHY

Belarus

Gomel

GSU

 

Minsk

INP BSU

Belgium

Antwerp

UAntwerp

 

Brussels

ULB

 

 

VUB

 

Ghent

Ugent

 

Leuven

KU Leuven

 

Louvain-la-Neuve

UCL

 

Mons

UMONS

Brazil

Rio de Janeiro, RJ

CBPF

 

 

UERJ

 

Sao Paulo, SP

Unesp

Bulgaria

Sofia

INRNE BAS

 

 

SU

CERN

Geneva

CERN

China

Beijing

Tsinghua

 

 

IHEP CAS

 

 

PKU

 

Hangzhou

ZJU

Croatia

Split

Univ.

 

Zagreb

RBI

Cyprus

Nicosia

UCY

Czech Republic

Prague

CU

Estonia

Tallinn

NICPB

Finland

Helsinki

HIP

 

 

UH

 

Lappeenranta

LUT

France

Lyon

UL

 

Paris

IN2P3

 

Saclay

IRFU

 

Strasbourg

IPHC

Georgia

Tbilisi

GTU

 

 

HEPI-TSU

Germany

Aachen

RWTH

 

Hamburg

DESY

 

 

Univ.

 

Karlsruhe

KIT

Greece

Athens

INP NCSR Demokritos

 

 

NTU

 

 

UoA

 

Ioannina

UI

Hungary

Budapest

Wigner RCP

 

Debrecen

Atomki

 

 

UD

India

Chandigarh

PU

 

Jatani

NISER

 

Kolkata

SINP

 

Mumbai

BARC

 

 

TIFR

Iran

Tehran

IPM

Ireland

Dublin

UCD

Italy

Bari

INFN

 

Bologna

INFN

 

Catania

INFN LNS

 

Florence

INFN

 

Frascati

INFN LNF

 

Genoa

INFN

 

Milan

INFN

 

Naples

INFN

 

Padua

INFN

 

Pavia

INFN

 

Perugia

INFN

 

Pisa

INFN

 

Rome

INFN

 

Trieste

INFN

 

Turin

INFN

Lithuania

Vilnius

VU

Mexico

Mexico City

Cinvestav

 

Puebla

BUAP

Montenegro

Podgorica

Univ.

Netherlands

Eindhoven

TU/e

New Zealand

Auckland

Univ.

 

Christchurch

UC

Pakistan

Islamabad

QAU

Poland

Krakow

AGH

 

 

AGH-UST

 

Otwock (Swierk)

NCBJ

 

Warsaw

UW

Republic of Korea

Daejeon

KIST

 

Gwangju

CNU

 

Seoul

KU

 

 

SJU

 

 

SKKU

 

 

SNU

 

 

Yonsei Univ.

Russia

Dolgoprudny

MIPT

 

Gatchina

NRC KI PNPI

 

Moscow

ITEP

 

 

LPI RAS

 

 

NIKIET

 

 

NNRU MEPhI

 

 

SINP MSU

 

Moscow, Troitsk

INR RAS

 

Novosibirsk

NSU

 

Protvino

IHEP

 

Snezhinsk

RFNC-VNIITF

 

Saint Petersburg

Electron

 

Tomsk

TPU

 

 

TSU

 

Zhukovsky

MDB

Serbia

Belgrade

INS VINCA

Spain

Madrid

CIEMAT

 

 

UAM

 

Oviedo

UO

 

Santander

IFCA

Switzerland

Villigen

PSI

 

Zurich

ETH

 

 

UZH

Taiwan

Taipei

NTU

 

Taoyuan City

NCU

Turkey

Adana

CU

 

Ankara

METU

 

Istanbul

BU

 

 

YTU

United Kingdom

Bristol

Univ.

 

Didcot

RAL

 

London

Imperial College

USA

Baltimore, MD

JHU

 

Batavia, IL

Fermilab

 

Boston, MA

BU

 

 

NU

 

Boulder, CO

CU

 

Buffalo, NY

UB

 

Cambridge, MA

MIT

 

Charlottesville, VA

UVa

 

Chicago, IL

UIC

 

College Park, MD

UMD

 

College Station, TX

Texas A&M

 

Columbus, OH

OSU

 

Davis, CA

UCDavis

 

Detroit, MI

WSU

 

Evanston, IL

NU

 

Gainesville, FL

UF

 

Houston, TX

Rice Univ.

 

Iowa City, IA

UIowa

 

Ithaca, NY

Cornell Univ.

 

Knoxville, TN

UTK

 

Lawrence, KS

KU

 

Lincoln, NE

UNL

 

Livermore, CA

LLNL

 

Los Angeles, CA

UCLA

 

Lubbock, TX

TTU

 

Madison, WI

UW-Madison

 

Manhattan, KS

KSU

 

Minneapolis, MN

U of M

 

Nashville, TN

VU

 

New Brunswick, NJ

RU NB

 

New York, NY

RU

 

Notre Dame, IN

ND

 

Oxford, MS

UM

 

Pasadena, CA

Caltech

 

Pittsburgh, PA

CMU

 

Princeton, NJ

PU

 

Providence, RI

Brown

 

Riverside, CA

UCR

 

Rochester, NY

UR

 

San Diego, CA

SDSU

 

Santa Barbara, CA

UCSB

 

Tallahassee, FL

FSU

 

Tuscaloosa, AL

UA

 

Wako, TX

BU

 

West Lafayette, IN

Purdue Univ.

Uzbekistan

Tashkent

INP AS RUz