JINR participation in CMS

JINR Topic 02-0-1083-2009/2013

JINR participation in CMS

JINR Topic 02-0-1083-2009/2013

Anatoli Zarubin

JINR SC, 15 September, 2011

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RDMS Participation in CMS Project

Russia, JINR and JINR member-states participate in the CMS experiment as RDMS CMS Collaboration

In fact RDMS physicists have participated in CMS since 1992 even before formal decision were made and agreements were signed.

Dubna Member States participate in CMS thought the JINR

Russia, JINR and JINR member-states participate in the CMS experiment as RDMS CMS Collaboration

In fact RDMS physicists have participated in CMS since 1992 even before formal decision were made and agreements were signed.

Dubna Member States participate in CMS thought the JINR

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In RDMS are about 300 scientists

Ukraine10

Bulgaria21

Belarus22

Uzbekistan11

Georgia11

Armenia5

LPI9

PNPI36MSU

27ITEP

19

INR19

IHEP45

JINR68Russian Federation - 155

Dubna Member States - 80 JINR, Dubna - 68

CMS members:countries 7institutions 20scientists 303students 32

Associated members:institutions 3

CMS members:countries 7institutions 20scientists 303students 32

Associated members:institutions 3

Russia Russian Federation Institute for High Energy Physics, Protvino Institute for Theoretical and Experimental Physics, Moscow Institute for Nuclear Research, RAS, Moscow Moscow State University, Institute for Nuclear Physics, Moscow Petersburg Nuclear Physics Institute, RAS, St.Petersburg P.N.Lebedev Physical Institute, Moscow

Associated members: High Temperature Technology Center of Research & Development

Institute of Power Engineering, Moscow Myasishchev Design Bureau, Zhukovsky Electron, National Research Institute, St. Petersburg

Georgia High Energy Physics Institute, Tbilisi State

University, Tbilisi Institute of Physics, Academy of

Science ,Tbilisi

Ukraine Institute of Single Crystals of National

Academy of Science, Kharkov National Scientific Center, Kharkov Institute of

Physics and Technology, Kharkov Kharkov State University, Kharkov

Uzbekistan Institute for Nuclear Physics, UAS, Tashkent

Dubna Member States Armenia Yerevan Physics Institute, Yerevan

Belarus Byelorussian State University, Minsk Research Institute for Nuclear Problems,

Minsk National Centre for Particle and High Energy

Physics, Minsk Research Institute for Applied Physical

Problems, Minsk

Bulgaria Institute for Nuclear Research and Nuclear

Energy, BAS, Sofia University of Sofia, Sofia

JINRJoint Institute for Nuclear Research, Dubna

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RDMS CMS Project

CMS Document

96-85, 1995

RDMS CMS Project

CMS Document

96-85, 1995

RDMS Participate in CMS according to the RDMS Project

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Principles and Strategy of RDMS CMS

Main principles: participation of Institutions in the CMS experiment as independent scientific groups and;unification of technical and financial contributions and obligations of different Institutions as the joint Collaboration deliverables to experiment.

Main aims of the Collaboration strategy: unification of the efforts of many groups from different institutions and countries; concentration of efforts at several well defined CMS sub-systems (for example Endcap) and broad involvement of Industry of participating States

Concerning to such participation the three-parties Agreements between Member State, JINR and CERN are very important.

Main principles: participation of Institutions in the CMS experiment as independent scientific groups and;unification of technical and financial contributions and obligations of different Institutions as the joint Collaboration deliverables to experiment.

Main aims of the Collaboration strategy: unification of the efforts of many groups from different institutions and countries; concentration of efforts at several well defined CMS sub-systems (for example Endcap) and broad involvement of Industry of participating States

Concerning to such participation the three-parties Agreements between Member State, JINR and CERN are very important.

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CMS Operations of 2011

CMS Operations

pp-collisions Run @ 7 TeV of 2010 (30.03 - 03.11) :

47.03 pb-1 delivered by LHC and 43.17 pb-1 of data collected by CMS.

Overall data taking efficiency ~92%.

PbPb-collisions Run @ 5.5 TeV/nucleon (08.11 - 06.12) :

8.38 b-1 delivered by LHC and 7.82 b-1 of data collected by CMS.

Overall data taking efficiency ~93%.

pp-collisions Run @ 7 TeV of 2010 (30.03 - 03.11) :

47.03 pb-1 delivered by LHC and 43.17 pb-1 of data collected by CMS.

Overall data taking efficiency ~92%.

PbPb-collisions Run @ 5.5 TeV/nucleon (08.11 - 06.12) :

8.38 b-1 delivered by LHC and 7.82 b-1 of data collected by CMS.

Overall data taking efficiency ~93%.

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pp-collisions Run @ 7 TeV from 14.03 2011:

3.09 fb-1 delivered by LHC and

2.78 fb-1 of data collected by CMS.

Overall data taking efficiency ~90%.

Excellent performance in coping with more than 6 orders of magnitude increase in instantaneous luminosity from L≈ 1027cm-2s-1 up to L≈ 2.97x1033cm-2s-1

PbPb Run is expected in November-December

pp-collisions Run @ 7 TeV from 14.03 2011:

3.09 fb-1 delivered by LHC and

2.78 fb-1 of data collected by CMS.

Overall data taking efficiency ~90%.

Excellent performance in coping with more than 6 orders of magnitude increase in instantaneous luminosity from L≈ 1027cm-2s-1 up to L≈ 2.97x1033cm-2s-1

PbPb Run is expected in November-December

L≈ 2.97x1033cm-2s-1

L≈ 1027cm-2s-1

L≈ 1.28x1033cm-2s-1

Sub-detectors Operations and RDMS Obligations

In order to be an author of the CMS physics papers, collaborator should • pay according to MoU category A and B • contribute for data taking and operation (shifts, technical services etc.) - 3 months per author

RDMS Responsibility for 2011 is defined by Addendum 3 to Memorandum of Agreement

between CMS and RDMS (MoA) (in person*months):ECAL HCAL Muon Central Shifts Tier1 Tier2

– RDMS 16.3 150.4 45.8 599 6.0 42.0

– RDMS-RF 16.3 118.5 27.9 441 6.0 24.0

– RDMS-DMS - 31.8 17.9 158 - 18.0

In order to be an author of the CMS physics papers, collaborator should • pay according to MoU category A and B • contribute for data taking and operation (shifts, technical services etc.) - 3 months per author

RDMS Responsibility for 2011 is defined by Addendum 3 to Memorandum of Agreement

between CMS and RDMS (MoA) (in person*months):ECAL HCAL Muon Central Shifts Tier1 Tier2

– RDMS 16.3 150.4 45.8 599 6.0 42.0

– RDMS-RF 16.3 118.5 27.9 441 6.0 24.0

– RDMS-DMS - 31.8 17.9 158 - 18.0

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operation efficiency of detector

systems including detectors of

full JINR responsibility – • Endcap Hadron Calorimeter (HE) • Forward Muon Stations (ME1/1)

is very high

JINR Participation in Data Taking

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In accordance with obligations JINR physicists took part in Central Shifts @ SX5 in CERN (599 shifts have to be covered by RDMS, among

them 158 by JINR and DMS) Detector Control System – 54 % Trigger – 11 % Data Quality Monitoring (including off-line DQM) – 35 %

These obligations are covered mainly by “сore” RDMS group at CERN - 5 scientists from

RDMS (2 of them from DMS) constantly present at CERN. They are involved actively in operation and detector performance group

Viktor Perelygin is RDMS coordinator for central shifts Vladimir Palichik is Convener of Muon CSC Detector Performance Group Olga Kodolova (MSU) is Convener of HCAL Performance Group

In 2011 RDMS must cover about 500 sub-system shifts (~ 60 by JINR and 45 by DMS)

• In particular for detectors of full JINR responsibility Endcap Hadron Calorimeter (HE) – 9 shifters from JINR, 6 shifters from DMS Forward Muon Stations (ME1/1) – 7 shifters from JINR, 1 shifter from DMS

These shifts are taken remotely from JINR Remote Operation Center

In accordance with obligations JINR physicists took part in Central Shifts @ SX5 in CERN (599 shifts have to be covered by RDMS, among

them 158 by JINR and DMS) Detector Control System – 54 % Trigger – 11 % Data Quality Monitoring (including off-line DQM) – 35 %

These obligations are covered mainly by “сore” RDMS group at CERN - 5 scientists from

RDMS (2 of them from DMS) constantly present at CERN. They are involved actively in operation and detector performance group

Viktor Perelygin is RDMS coordinator for central shifts Vladimir Palichik is Convener of Muon CSC Detector Performance Group Olga Kodolova (MSU) is Convener of HCAL Performance Group

In 2011 RDMS must cover about 500 sub-system shifts (~ 60 by JINR and 45 by DMS)

• In particular for detectors of full JINR responsibility Endcap Hadron Calorimeter (HE) – 9 shifters from JINR, 6 shifters from DMS Forward Muon Stations (ME1/1) – 7 shifters from JINR, 1 shifter from DMS

These shifts are taken remotely from JINR Remote Operation Center

JINR Participation in Detector Performance Studies

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During data taking the JINR planed and coordinated participation of the RDMS СMS institutions and JINR specialists in shifts aimed on detector operation and data taking

CMS data taking procedure used to gain operational experience, stability of infrastructure.

The processing and analyses of CMS data used software release destined for 2011 data- taking & grid infrastructure.

Combined functionality of HE and ME1/1 was checked

Detector and software performance studies were performed in results of fast data analysis for the inner endcap detectors (HE and ME1/1)

spatial resolutions of ME1/1, ME2, ME3 were derived study of muon track reconstruction efficiency procedure of alignment correction of inner layers of ME1/1 was performed - layers are

shifted relative each other no more than 20 µm.

• calibration of HE endcap hadron calorimeter was performed with CMS required accuracy ~ 3 % in the azimuthal direction.

Procedures of HF detector calibration with physics processes have been developed

• gamma-jet processes

• processes with missing transverse energy

During data taking the JINR planed and coordinated participation of the RDMS СMS institutions and JINR specialists in shifts aimed on detector operation and data taking

CMS data taking procedure used to gain operational experience, stability of infrastructure.

The processing and analyses of CMS data used software release destined for 2011 data- taking & grid infrastructure.

Combined functionality of HE and ME1/1 was checked

Detector and software performance studies were performed in results of fast data analysis for the inner endcap detectors (HE and ME1/1)

spatial resolutions of ME1/1, ME2, ME3 were derived study of muon track reconstruction efficiency procedure of alignment correction of inner layers of ME1/1 was performed - layers are

shifted relative each other no more than 20 µm.

• calibration of HE endcap hadron calorimeter was performed with CMS required accuracy ~ 3 % in the azimuthal direction.

Procedures of HF detector calibration with physics processes have been developed

• gamma-jet processes

• processes with missing transverse energy

CSC spatial resolution for all muon stations including the Forward Muon Station ME1/1 of

full JINR responsibility was derived from Collisions’11

CSC spatial resolution for all muon stations including the Forward Muon Station ME1/1 of

full JINR responsibility was derived from Collisions’11

Example: CSC Spatial Resolution

Spatial resolution values match Muon TDR requirementsthe mean value of ME1/1 resolution is about 62 µm that is satisfied by requirements of CMS Technical Project for ME1/1 (75 µm)

Resolution values with Collisions’11 are agreed with Collisions’10 and are stable with increasing of luminosity

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Pt > 2.5 GeV Pt > 5 GeV Pt > 20 GeV

Collisions-11

Collisions-11

Collisions-11

Collisions-11

Collisions-10

4e32 6e32 4e32 6e32 5e31

ME1/1b 68 67 64 62 58

ME1/2 99 98 96 96 92

ME1/3 117 116 110 111 103

ME2/1 134 132 128 125 126

ME2/2 152 146 146 141 132

ME3/1 128 125 124 121 126

ME3/2 158 153 148 144 136

ME4/1 129 126 126 121 131

WZ muons

Pt > 20GeV

MinBias muons

Pt > 5GeV

Inner Endcaps including endcap hadron calorimeter HE and Forward Muon Station ME1/1 of

full JINR responsibility demonstrated an efficient operation with collision data.

HE response to collision muons provided information on relative calibration of cells and

detector regions calibration with isolated charged hadrons for eta < 2.5

ParticleFlow corrections

derived from MC

Inner Endcaps including endcap hadron calorimeter HE and Forward Muon Station ME1/1 of

full JINR responsibility demonstrated an efficient operation with collision data.

HE response to collision muons provided information on relative calibration of cells and

detector regions calibration with isolated charged hadrons for eta < 2.5

ParticleFlow corrections

derived from MC

Example: HE Calibration and Response Studies

Reasonable correlation for energy deposition for HE- and HE+ is observed

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difference in HE+/- response of 3±0.4%

Example: HCAL Calibration with Physics Processes

jet energy scale calibration to improve the jet reconstruction gamma + jet events

the systematic uncertainty less than RMS of statistical errors which is ~ 3% for 0.1 fb -1

W- jet +jet calibration

HF intercalibration using missing ET minimization

in QCD processes to equalize a signal over

jet energy scale calibration to improve the jet reconstruction gamma + jet events

the systematic uncertainty less than RMS of statistical errors which is ~ 3% for 0.1 fb -1

W- jet +jet calibration

HF intercalibration using missing ET minimization

in QCD processes to equalize a signal over

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CMS IN 2011/010

2x106 events provides ~ 5 %accuracy

CMS IN 2011/001

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Data processing and analysis

JINR in CMS Physics Analysis

JINR group concentrated on few selected physics topics, where JINR physicists already contributed significantly in preparation of CMS physics program

Well integrated into the CMS physics program– Search for Higgs bosons (2l2 channel, 4l channel)– Study of Drell-Yan processes in the large invariant dimuons mass region

inaccessible at other accelerators– for search of new physics beyond Standard Model (extended gauge models and

extra dimensions etc)– Study of jet physics

– to extend PDF’s at range of small-x and large-Q2 and measurement of s

– 2 jet production in diffraction processes (single and double pomeron exchange) – Study of pair of gauge bosons (ZZ, WW)

– Bose-Einstein correlations of gauge bosons of the same sign– anomalous coupling constants in production of WW, WWZ, WZ, W

Complex of RDMS Grid-computing based on the special RDMS Tier-1 centre at CERN and Tier-2 in Dubna provides efficient participation of JINR team in data taking and physics analysis

JINR group concentrated on few selected physics topics, where JINR physicists already contributed significantly in preparation of CMS physics program

Well integrated into the CMS physics program– Search for Higgs bosons (2l2 channel, 4l channel)– Study of Drell-Yan processes in the large invariant dimuons mass region

inaccessible at other accelerators– for search of new physics beyond Standard Model (extended gauge models and

extra dimensions etc)– Study of jet physics

– to extend PDF’s at range of small-x and large-Q2 and measurement of s

– 2 jet production in diffraction processes (single and double pomeron exchange) – Study of pair of gauge bosons (ZZ, WW)

– Bose-Einstein correlations of gauge bosons of the same sign– anomalous coupling constants in production of WW, WWZ, WZ, W

Complex of RDMS Grid-computing based on the special RDMS Tier-1 centre at CERN and Tier-2 in Dubna provides efficient participation of JINR team in data taking and physics analysis

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CMS Computing and JINR Tier-2 Activity in 2011

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~ 334 TB was transferred to JINR Tier-2(~270 TB in 2010)

usage of disk space is ~ 95%

Max transfer rate to Dubna ~ 54.07 MB/s20 Gbps networks

~ 280 000 analysis jobs were successfully completed

Current T2_RU_JINR Group Usage:Exotica PAG - 54.96 TBMuon POG - 13.14 TB

Local Users: 131.29 TB

Software and T0/Tier1 (including RDMS Tier-1) infrastructure are stable 49 Tier-2s received collision data and 57 Tier-2s participate to simulation

25 % of CPU time and job slots were spent by JINR Tier-2 for CMS tasks (corresponds to 34,1 % RDMS sites)

25 %25 %

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Physics Results

The CMS Physics Analyses in 2011• In 2011 CMS continued physics analyses with data of 2010 (~ 40 pb-1) and data of

2011 (~ 1.7 fb-1). ~ 80 analyses are completed.

• The goals are– “rediscovery” Standard Model Physics starting detection of muons up to top-quark observation– looking for new effects of new physics

• two essentially new effects were observed:

ridge-effect in pp-collsions and direct observation of jet quenching in PbPb-collisions• more than 40 “excluding” analysis in the new physics field : higgs physics, supersymmetry,

extended gauge models, TeV-scale gravity, compositeness etc

• In 2011 CMS continued physics analyses with data of 2010 (~ 40 pb-1) and data of 2011 (~ 1.7 fb-1). ~ 80 analyses are completed.

• The goals are– “rediscovery” Standard Model Physics starting detection of muons up to top-quark observation– looking for new effects of new physics

• two essentially new effects were observed:

ridge-effect in pp-collsions and direct observation of jet quenching in PbPb-collisions• more than 40 “excluding” analysis in the new physics field : higgs physics, supersymmetry,

extended gauge models, TeV-scale gravity, compositeness etc 18

107 authors from RDMS of 2175,16 authors from JINR + 9 from DMS5 CMS Analyses were prepared by JINR physicists

~ 80 physics papers on collisions data weresubmitted or published (J. High Energy Phys, Phys. Rev. Lett., Phys. Lett. B, Eur. Phys. J.)

http://cdsweb.cern.ch/collection/CMS Papers

20 papers in final pipeline

JINR in CMS Physics Analysis

JINR group is contributed in five CMS Physics Analysis and two CMS Internal Notes:

CMS Physics Analyses Notes: D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al. “Search for High-Mass Resonances

Decaying to Muon Pairs with Collisions Gathered at √s = 7 TeV with 1.1 fb-1’’, CMS AN-2011/278, CMS PAS EXO-11-019 1. Published as CMS Col. Results in arXiv:1103.0981, accepted by PLB.

A.Ferapontov, G.Landsberg, P.Tsang, V.Konoplianikov, M.Savina, S.Shmatov , “Searches for Microscopic Black Holes Production in pp Collisions at sqrt(s) = 7 TeV with the CMS Detector with 1.1 fb-1”, CMS AN-2011/256, PAS EXO-11-071

D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al. “Search for High-Mass Resonances Decaying to Muon Pairs with Collisions Gathered at √s = 7 TeV ’’, CMS AN-2011/222

A.Lanyov, I.Belotelov, S.Shmatov et al. “Drell-Yan Differential Cross Section Measurement at 7 TeV in the Muon Channel”, CMS AN-2011/013, CMS-EWK-10-007. Published as CMS Col. Results in arXiv:1108.0566, submitted in JHEP

D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al., ” Search for High-Mass Resonances Decaying to Muon Pairs with 40 pb-1 of collisions gathered at √s = 7~ TeV”, CMS AN-2010/317. Published as CMS Col. Results in arXiv:1103.0981, JHEP05 (2011) 093

CMS Internal Notes: I. Altsybeev, V. Konoplianikov, S. Shmatov, A. Tumasyan, A. Zarubin, “Jet Energy Scale Calibration Using W ->

qqbar Process”, CMS IN-2011/010 V. Konoplianikov , S. Shulga, A. Zarubin, ” HF Calorimeter Calibration Using Events with Direct Photons and Jets”,

CMS IN-2011/001

JINR group is contributed in five CMS Physics Analysis and two CMS Internal Notes:

CMS Physics Analyses Notes: D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al. “Search for High-Mass Resonances

Decaying to Muon Pairs with Collisions Gathered at √s = 7 TeV with 1.1 fb-1’’, CMS AN-2011/278, CMS PAS EXO-11-019 1. Published as CMS Col. Results in arXiv:1103.0981, accepted by PLB.

A.Ferapontov, G.Landsberg, P.Tsang, V.Konoplianikov, M.Savina, S.Shmatov , “Searches for Microscopic Black Holes Production in pp Collisions at sqrt(s) = 7 TeV with the CMS Detector with 1.1 fb-1”, CMS AN-2011/256, PAS EXO-11-071

D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al. “Search for High-Mass Resonances Decaying to Muon Pairs with Collisions Gathered at √s = 7 TeV ’’, CMS AN-2011/222

A.Lanyov, I.Belotelov, S.Shmatov et al. “Drell-Yan Differential Cross Section Measurement at 7 TeV in the Muon Channel”, CMS AN-2011/013, CMS-EWK-10-007. Published as CMS Col. Results in arXiv:1108.0566, submitted in JHEP

D. Acosta, …, I.Belotelov, A.Lanyov, M. Savina, S. Senkin, S. Shmatov et al., ” Search for High-Mass Resonances Decaying to Muon Pairs with 40 pb-1 of collisions gathered at √s = 7~ TeV”, CMS AN-2010/317. Published as CMS Col. Results in arXiv:1103.0981, JHEP05 (2011) 093

CMS Internal Notes: I. Altsybeev, V. Konoplianikov, S. Shmatov, A. Tumasyan, A. Zarubin, “Jet Energy Scale Calibration Using W ->

qqbar Process”, CMS IN-2011/010 V. Konoplianikov , S. Shulga, A. Zarubin, ” HF Calorimeter Calibration Using Events with Direct Photons and Jets”,

CMS IN-2011/001

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Rediscovery of Standard Models in Dimuons

JINR is involved in • data processing and analysis of di-muon events• responsible for development of hi-mass di-muon

events selection scheme (skimming)Minsk and Gomel contribute in calculation of DY high-order QCD and EWK corrections

JINR is involved in • data processing and analysis of di-muon events• responsible for development of hi-mass di-muon

events selection scheme (skimming)Minsk and Gomel contribute in calculation of DY high-order QCD and EWK corrections

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4x105 Drell-Yan candidates with M > 50 GeV — compatible with SM expectations.4x105 Drell-Yan candidates with M > 50 GeV — compatible with SM expectations.

5 people from JINR take part in this activity5 people from JINR take part in this activity

~ TeV region:ongoing work

CMS-EXO-10-0073 people from JINRCMS-EXO-10-007

3 people from JINR

Example: Di-muons

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Combined limits (+- + e+e-) at 95% CL exceed the Tevatron reach

JINR contribution:first priority

CMS-EXO-10-0195 people from JINRCMS-EXO-10-019

5 people from JINR

A Z’ with standard-model-like couplings can be excluded below 1940 GeV, the superstring-inspired Z’ below 1620 GeV, and RS Kaluza–Klein gravitons below 1450 (1780) GeV for couplings of 0.05 (0.10),

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PbPbPbPbPbPbPbPbPbPb PbPb

First direct observation of jet quenching in high centrality lead-lead collisions at LHC

arXiv:1102.1957; CMS-HIN-10-004 ;

CERN-PH-EP-2011-001.

arXiv:1102.1957; CMS-HIN-10-004 ;

CERN-PH-EP-2011-001.

Suppression of Excited Upsilon States

The First Heavy Ion Collisions

Observation of Diffraction Events Energy flows: MC tunesEnergy flows: MC tunes

PHOJET agrees better with the data (in forward region)PHOJET agrees better with the data (in forward region)

СMS PAS FWD-10-002СMS PAS FWD-10-002

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Forward jets: good agreement with theoryForward jets: good agreement with theory

Erevan group contributes in particular• observation W and Z bosons as well as

high mass dijets in events with a large rapidity gap

Erevan group contributes in particular• observation W and Z bosons as well as

high mass dijets in events with a large rapidity gap

СMS PAS FWD-10-003СMS PAS FWD-10-003

СMS PAS FWD-10-06СMS PAS FWD-10-06

Example: Microscopic Black Holes

The CMS analysis - 2010, 35 pb-1:arXiv:1012.3375v1, Phys. Lett. B V697 (2011), p. 434The CMS analysis - 2011, 1.09 fb-1:recent CMS analysis - EXO-11-071

CMS set limits on theminimum BH mass of 4.4-5.1 TeV

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3 people from JINRtake part in this activity3 people from JINRtake part in this activity

The First Higgs Searching

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DMS (Dubna and Ukraine) participates in 2l2 (analysis) and 4l (reconstruction)DMS (Dubna and Ukraine) participates in 2l2 (analysis) and 4l (reconstruction)

The CMS search for the Higgs boson is being carried out using a range of decay products:

H → , , bbar, WW → 2l2, ZZ → 4l, ZZ → 2l2, ZZ → 2l2q The CMS analysis excludes, with a confidence level (C.L.) of 95%, the existence of a Standard Model Higgs boson in three Higgs mass ranges: 145-216 GeV, 226-288 GeV and 310-400 GeV

H WW2l2

H

CMS PAS HIG-11-022CMS PAS HIG-11-022

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CMS upgrades

LHC Luminosity Scenario

2020-2030 – High Lumi LHC

(High Luminosity (HL-LHC) Chamonix 2011)

• need to be able to integrate ~300 fb-1 per year (1 fb-1 per day) peak lumi of 1035 Hz/cm2

• the goal is to achieve 3000/fb

2020-2030 – High Lumi LHC

(High Luminosity (HL-LHC) Chamonix 2011)

• need to be able to integrate ~300 fb-1 per year (1 fb-1 per day) peak lumi of 1035 Hz/cm2

• the goal is to achieve 3000/fb

few fb-1 is delivered

Phase 2

~300 fb-1

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Current LHC shutdown schedule

LS1 – Long Shutdown 1, currently scheduled to start November - December 2012 and last 18 months.

LS2 - Long Shutdown 2, currently scheduled to start December 2018 and last 12 months.

TS - Intermediate extended winter technical stop, currently scheduled to start two years into the run period between LS1 and LS2, thus starting December 2016 and lasting up to 6 months.

LS1 LS2TS

CMS Priority – future Upgrade strategy• Important works initiated by JINR for future strategy

– CMS Management Workshop on Upgrade Strategy in Dubna February 21-22, 2011 with goals

• to clarify RDMS area of interest• to start discussion on the future CMS strategy

– Workshop generated considerable interest in CMS– Results were referred on numerous meetings during the March

CMS Week

• Discussion continued at – Upgrade workshop at CERN in March– Practical issues were thoroughly discussed

• Discussion continued at the XV RDMS Conference– Key CMS people presented talks on future Physics and

Detectors

• Will be continued next year in Alushta, May 2012

• Important works initiated by JINR for future strategy – CMS Management Workshop on Upgrade Strategy in Dubna

February 21-22, 2011 with goals• to clarify RDMS area of interest• to start discussion on the future CMS strategy

– Workshop generated considerable interest in CMS– Results were referred on numerous meetings during the March

CMS Week

• Discussion continued at – Upgrade workshop at CERN in March– Practical issues were thoroughly discussed

• Discussion continued at the XV RDMS Conference– Key CMS people presented talks on future Physics and

Detectors

• Will be continued next year in Alushta, May 2012

RDMS CMS CB & EC, CERN, July 1, 2011 30

RDMS expected contribution in red LS1

Begin Installing forward muon systems Dubna ME1/1HO SiPMs (Hadronic Calorimeter Tail Catcher)HF PMTs (Forward Hadron Calorimeter eta 3-5)Pixel Luminosity Telescope

LS2Complete forward muon systems upgrade Dubna ME1/1Install new beampipeInstall new pixel detectorComplete Installing HB/HE SiPM and electronics Dubna HEInstall new trigger system

LS3Install new tracking systemMajor consolidation/replacement of electronics systems

Including potentially ECAL electronicsCalorimeter Endcaps (subject of a task force) Dubna DAQ system upgrade

RDMS expected contribution to Upgrade

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CMS Upgrade Technical Proposal• TP covers LS1-2 through 2020

– Participation in sub-systems • according MoU institute responsibility

– Total cost preliminary estimated– Contribution scale

• proportional to number of PhDs

– For Dubna is ~ 1 MCHF in total:• Common fund in cash ~ 100 kCHF• ME1/1 ~ 570 kCHF• HE ~ 330 kCHF

– Preliminary near future profile • for Dubna 2011-12 – 150 kCHF, 2013-14 – 250 kCHF

• LS3 future upgrade strategy – new project

• TP covers LS1-2 through 2020– Participation in sub-systems

• according MoU institute responsibility

– Total cost preliminary estimated– Contribution scale

• proportional to number of PhDs

– For Dubna is ~ 1 MCHF in total:• Common fund in cash ~ 100 kCHF• ME1/1 ~ 570 kCHF• HE ~ 330 kCHF

– Preliminary near future profile • for Dubna 2011-12 – 150 kCHF, 2013-14 – 250 kCHF

• LS3 future upgrade strategy – new project

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CMS Upgrade Technical Proposal• ME1/1

• recover trigger up to eta=2.4– 3 cards instead of 1 ORed in bottom CSC part

• minimize dead time, removes rate worries– replace ADC/SCA with flash ADC, digital storage

• readout robustness– optical readout instead of 50-pin scewclear cables

– Joint US-RDMS project• LV and interfaces (Dubna, Minsk)• Be ready with electronics by 2013

– Dubna, Minsk responsibility to install new electronics • HE

• Increase dynamic range, rate capability, sub-ns timing, muon ID– SiPM instead of HPD

• Update longitudinal segmentation to increase Particle Flow capability and 1-level HW trigger– With new electronics

• Optimize ECAL/HCAL interface– Dubna and RDMS responsibility to install new phototransducers and electronics

• Access to inner endcap require:– Integration development and full opening of the CMS detector– Strong support of engineering and technical coordination team

• Require detailed Beam Tests – to measure performance in extreme conditions to understand compatibility with future

• ME1/1 • recover trigger up to eta=2.4

– 3 cards instead of 1 ORed in bottom CSC part• minimize dead time, removes rate worries

– replace ADC/SCA with flash ADC, digital storage• readout robustness

– optical readout instead of 50-pin scewclear cables

– Joint US-RDMS project• LV and interfaces (Dubna, Minsk)• Be ready with electronics by 2013

– Dubna, Minsk responsibility to install new electronics • HE

• Increase dynamic range, rate capability, sub-ns timing, muon ID– SiPM instead of HPD

• Update longitudinal segmentation to increase Particle Flow capability and 1-level HW trigger– With new electronics

• Optimize ECAL/HCAL interface– Dubna and RDMS responsibility to install new phototransducers and electronics

• Access to inner endcap require:– Integration development and full opening of the CMS detector– Strong support of engineering and technical coordination team

• Require detailed Beam Tests – to measure performance in extreme conditions to understand compatibility with future

Summary

• JINR participation in CMS is very successful - JINR physicists are involved in whole CMS chain from data taking (shifts) and to final data analysis

• JINR GRID Computing Facilities based on the special RDMS Tier-1 centre at CERN and Tier-2 in Dubna provide fast access to data and processing.

• JINR first physics results will be summarized – Annual RDMS CMS Collaboration Conferences

– Joint RDMS Seminar “Physics at LHC ” http://rdms.jinr.ru/

– other international forums

• Long Shutdown of 2013-2014 is focused on completion/optimization of existing CMS for LHC design lumi. (up to 1034 Hz/cm2)

– JINR participates in these works in the frameworks of responsibility in construction of inner

endcap detectors (HE and ME1/1)

• High Luminosity LHC would allow to extend significantly the LHC physics reach– to exploit fully its potential inner/forward parts of detectors must be changed/hardened/upgraded

• Details of CMS Upgrade Scenarios are under discussions

• JINR participation in CMS is very successful - JINR physicists are involved in whole CMS chain from data taking (shifts) and to final data analysis

• JINR GRID Computing Facilities based on the special RDMS Tier-1 centre at CERN and Tier-2 in Dubna provide fast access to data and processing.

• JINR first physics results will be summarized – Annual RDMS CMS Collaboration Conferences

– Joint RDMS Seminar “Physics at LHC ” http://rdms.jinr.ru/

– other international forums

• Long Shutdown of 2013-2014 is focused on completion/optimization of existing CMS for LHC design lumi. (up to 1034 Hz/cm2)

– JINR participates in these works in the frameworks of responsibility in construction of inner

endcap detectors (HE and ME1/1)

• High Luminosity LHC would allow to extend significantly the LHC physics reach– to exploit fully its potential inner/forward parts of detectors must be changed/hardened/upgraded

• Details of CMS Upgrade Scenarios are under discussions

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Back -up

Example: right-handed W and heavy neutrino searching

For models with exact left-right symmetry (the same coupling in the left and right sectors) CMS exclude the region in the two-dimensional parameter space that extends to (MWR , MN ) = (1700 GeV, 600 GeV).

CMS EXO-11-002

INR group activityINR group activity

CMS observed all well-known before SM particles :• leptons, photons, resonances, W and Z bosons

CMS performed precise and complete EWK measurements

CMS studies jet processes and measured firstly at LHC top-quark cross-section

CMS observed all well-known before SM particles :• leptons, photons, resonances, W and Z bosons

CMS performed precise and complete EWK measurements

CMS studies jet processes and measured firstly at LHC top-quark cross-section

Rediscovery of Standard Models

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JINR participation

CERN-PH-EP-2011-066 CMS-TOP-10-008-003

CERN-PH-EP-2011-066 CMS-TOP-10-008-003

Mtop=158.4±1.8(syst.+stat.) ±6(lumi.)GeV/c2