Pablo Yepes, Rice U 0 HI May 19, 2001May 19, 2001. CMS Heavy Ion Physics Pablo Yepes Rice University oHadronic Collisions sQuarkonia Production sJet Collisions.

Slides:

Advertisements

Similar presentations

Open beauty production in pp collisions at 7 TeV with CMS Kajari Mazumdar Tata Institute of Fundamental Research Mumbai, India. on behalf of CMS Collaboration,

Advertisements

CMS Heavy Ion Physics Edwin Norbeck University of Iowa.

Jet probes of nuclear collisions: From RHIC to LHC Dan Magestro, The Ohio State University Midwest Critical Mass October 21-22, 2005.

Ultra Peripheral Collisions at RHIC Coherent Coupling Coherent Coupling to both nuclei: photon~Z 2, Pomeron~A 4/3 Small transverse momentum p t ~ 2h 

M.Mevius Open and hidden beauty production in 920 GeV proton –nucleus collisions at HERA-B M.Mevius DESY.

Winter Workshop on Nuclear Dynamics, Heavy Ion Physics with CMS: Day-One Measurements Olga Barannikova for the CMS Collaboration.

Daniele Benedetti CMS and University of Perugia Chicago 07/02/2004 High Level Trigger for the ttH channel in fully hadronic decay at LHC with the CMS detector.

STAR Collaboration Meeting, UCD group meeting, February Ultra Peripheral Collisions What is a UPC? Photonuclear interaction Two nuclei “miss” each.

1 The CMS Heavy Ion Program Michael Murray Kansas.

Gábor Veres Strangeness in Quark Matter ‘06, UCLA, March 26, Heavy Ion Physics with the CMS Experiment at the LHC Gábor Veres Eötvös Loránd University,

Contribution of MSU in CMS project. Preparations for CMS Heavy Ion Physics Program Development of software and reconstruction algorithms for pp and heavy.

The Physics Potential of the PHENIX VTX and FVTX Detectors Eric J. Mannel WWND 13-Apr-2012.

RHIC program and machine performances Hugo Pereira Da Costa, CEA Saclay, PHENIX Collaboration, 3 Juillet 2006.

JSPS Research Fellow / University of Tsukuba T. Horaguchi Oct for HAWAII /10/15HAWAII

Sean Kelly, QWG 9/03 Prospects for Quarkonia Physics In Media at the LHC.

Nov2,2001High P T Workshop, BNL Julia Velkovska High pt Hadrons from  sNN = 130 GeV Au-Au collisions measured in PHENIX Julia Velkovska (BNL) for PHENIX.

1 Ultraperipheral heavy ion collisions Timoshenko S., Emelyanov V. Moscow Engineering Physics Institute (State University) (for the STAR Collaboration)

1 Perspectives for quarkonium production in CMS Carlos Lourenço, on behalf of CMSQWG 2008, Nara, Japan, December 2008.

Pavel Nevski ATLAS detector performance in Heavy Ion Collisions at LHC ATLAS detector performance in Heavy Ion Collisions at LHC Pavel Nevski BNL Motivations.

An experimental perspective on first jet measurements at LHC: Lessons from RHIC Dan Magestro, The Ohio State University ALICE-USA Collaboration Meeting.

US participation in Heavy Ion Physics with Compact Muon Solenoid at LHC M. Ballintijn,K Barish,R Betts, BE Bonner, W.Busza, D.Cebra, G.Eppley, E.Garcia,

 production in p+p and Au+Au collisions in STAR Debasish Das UC Davis (For the STAR Collaboration)‏

Heavy flavour capabilities with the ALICE TRD Benjamin Dönigus ISNP 2008 Erice/Sicily.

Epiphany H.R. Schmidt - GSI Status and Prospects of the CERN-LHC Experiment ALICE Physics Issues –Experimental Conditions –Signals & Observables.

Photon 2003Falk Meissner, LBNL Falk Meissner Lawrence Berkeley National Laboratory For the STAR Collaboration Photon 2003 April 2003 Coherent Electromagnetic.

Photoproduction at Hadron Colliders Results from STAR at RHIC Spencer Klein, LBNL (for the STAR Collaboration)

Jet Physics in ALICE Mercedes López Noriega - CERN for the ALICE Collaboration Hot Quarks 2006 Villasimius, Sardinia - Italy.

April 23, 2008 Workshop on “High energy photon collisions at the LHC 1 Cem Güçlü İstanbul Technical University Physics Department Physics of Ultra-Peripheral.

Heavy Ion Physics with CMS Bolek Wyslouch MIT. May 19 01Bolek Wyslouch2 Holy Grail of High Energy Nuclear Physics: Quark Gluon Plasma quarks and gluons,

Heavy Ion Physics with CMS Russell Betts - UIC. Studying QCD with Heavy Ions Quark Gluon Plasma: –QCD at High T, High Density –Phase Diagram of QCD Strongly-Interacting.

Report from India Topical Conference on Hadron Collider Physics XIII Jan 14-20, TIFR, India Naohito Saito RIKEN/ RIKEN BNL Research Center.

Ultra-peripheral Collisions at RHIC Spencer Klein, LBNL for the STAR collaboration Ultra-peripheral Collisions: What and Why Interference in Vector Meson.

Prospects in ALICE for  mesons Daniel Tapia Takaki (Birmingham, UK) for the ALICE Collaboration International Conference on STRANGENESS IN QUARK MATTER.

LHC Heavy-Ion Program a CMS Perspective Edwin Norbeck University of Iowa for the CMS Collaboration 20 th Winter Workshop on Nuclear Dynamics CMS HI groups:

TJH: Saturation, Low-x, QCD Workshop Villaggio Guglielmo, July 2-18, Saturation, Low-x, and QCD at RHIC, Part 3 T. Hallman Villaggio Guglielmo,

A STUDY OF TRIGGER ALGORITHMS FOR ULTRA PERIPHERAL COLLISIONS WITH THE ALICE DETECTOR Joey Butterworth, Dr. Yury Gorbunov, Dr. Janet Seger Department of.

Heavy quarkonia perspectives with heavy-ions in ALICE E. Vercellin Università and INFN Torino – Italy For the ALICE collaboration.

Helio Takai Brookhaven National Laboratory (for the ATLAS collaboration) Quarkmatter 2004 Oakland, January 11-17,2004 ATLAS at LHC.

ϒ measurements in p+p collisions at √s = 500 GeV with the STAR experiment Leszek Kosarzewski, for the STAR Collaboration Warsaw University of Technology,

Future Possibilities for Measuring Low Mass Lepton Pairs in Christine Aidala for the Collaboration Quark Matter 2002, Nantes.

First measurements in Pb—Pb collisions at  s NN =2.76 TeV with ALICE at the LHC M. Nicassio (University and INFN Bari) for the ALICE Collaboration Rencontres.

BNL May 17, 2002Falk Meissner, LBNL Jim Thomas for Falk Meissner Lawrence Berkeley National Laboratory The STAR Collaboration Workshop on Diffraction and.

Nuclear  -Radiation in Peripheral HIC at LHC V.L.Korotkikh, L.I. Sarycheva Moscow State University, Scobeltsyn Institute of Nuclear Physics CMS meeting,

1 Carlos Lourenço, CERN CERN, August, 2008 SPS RHIC LHC From High-Energy Heavy-Ion Collisions to Quark Matter Episode III : Back to the future From the.

Quark Matter 2002Falk Meissner, LBNL Falk Meissner Lawrence Berkeley National Laboratory For the STAR Collaboration Quark Matter Coherent.

The ALICE Experiment Event by Event fluctuations ALICE TOF Calibration 30th November 2007Chiara Zampolli1.

 Production and Suppression in Heavy Ion Collisions at STAR Anthony Kesich University of California, Davis STAR Collaboration February 5, 2013.

Measuring Parton Densities with Ultra-Peripheral Collisions in ALICE Photonuclear Interactions Measuring Structure Functions Vector Mesons Open Charm/Bottom.

News from ALICE Jan PLUTA Heavy Ion Reaction Group (HIRG) Warsaw University of Technology February 22, XIII GDRE Workshop, SUBATECH, Nantes.

Probing the Nucleus with Ultra-Peripheral Collisions Ultra-peripheral Collisions: What and Why Photoproduction as a nuclear probe STAR Results at 130 GeV/nucleon:

BY A PEDESTRIAN Related publications direct photon in Au+Au  PRL94, (2005) direct photon in p+p  PRL98, (2007) e+e- in p+p and Au+Au 

January 15, 2004CMS Heavy Ions Bolek Wyslouch1 Bolek Wyslouch MIT for the CMS Collaboration Quark Matter 2004, Oakland, CA CMS HI groups: Athens, Auckland,

High Density Matter and Searches for Huan Z. Huang Department of Physics and Astronomy University of California, Los Angeles The STAR Collaboration.

1 Heavy Ion Physics at CMS Prashant Shukla Nuclear Physics Division BARC, Mumbai India 28 th February 2011, BARC.

From the Standard Model to Discoveries - Physics with the CMS Experiment at the Dawn of the LHC Era Dimitri Bourilkov University of Florida CMS Collaboration.

Itzhak Tserruya Initial Conditions at RHIC: an Experimental Perspective RHIC-INT Workshop LBNL, May31 – June 2, 2001 Itzhak Tserruya Weizmann.

Results from ALICE Christine Nattrass for the ALICE collaboration University of Tennessee at Knoxville.

Outline  Charm and Beauty at the LHC  Heavy-flavour program in ALICE  Measurements in preparation  Examples of expected performance  Conclusions Heavy.

Hadronic resonance production in Pb+Pb collisions from the ALICE experiment Anders Knospe on behalf of the ALICE Collaboration The University of Texas.

July 27, 2002CMS Heavy Ions Bolek Wyslouch1 Heavy Ion Physics with the CMS Experiment at the Large Hadron Collider Bolek Wyslouch MIT for the CMS Collaboration.

Ultra-peripheral Collisions at RHIC Spencer Klein, LBNL for the STAR Collaboration Ultra-peripheral Collisions: What and Why Vector meson interferometry.

SPHENIX Mid-rapidity extensions: Additional Tracking system and pre-shower Y. Akiba (RIKEN/RBRC) sPHENIX workfest July 29,

V. Pozdnyakov Direct photon and photon-jet measurement capability of the ATLAS experiment at the LHC Valery Pozdnyakov (JINR, Dubna) on behalf of the HI.

Quark Matter 2002, July 18-24, Nantes, France Dimuon Production from Au-Au Collisions at Ming Xiong Liu Los Alamos National Laboratory (for the PHENIX.

Ultra-peripheral heavy ion results from CMS Michael Murray, DIS2015, 29 th April 2015 CMS: HIN :

1 Marcello Lunardon - BEACH 2006, Lancaster, UK The 7th International Conference on Hyperons, Charm And Beauty Hadrons - BEACH 2006 Lancaster, July 2-8.

Recent Results from ALICE E. Vercellin Dipartimento di Fisica dell’Università di Torino and INFN Torino.

Tatia Engelmore, Columbia University

First physics from the ALICE electromagnetic calorimeters

Presentation transcript:

Pablo Yepes, Rice U 0 HI May 19, 2001May 19, CMS Heavy Ion Physics Pablo Yepes Rice University oHadronic Collisions sQuarkonia Production sJet Collisions oCoherent Interactions

Pablo Yepes, Rice U 1 HI May 19, 2001May 19, Why HI at LHC Jurgen Shukraft, Quark Matter 2001 Pb+Pb, central collisions (b=0) Pb Before After

Pablo Yepes, Rice U 2 HI May 19, J/  Melting L(fm): Average distance travel by the J/  inside tNuclear Matter. J/  Yield u,d c Hadron gas J/J/ K ++ -- u,d c QGP ud d NA50 Collaboration, CERN

Pablo Yepes, Rice U 3 HI May 19, 2001May 19, Quarkonia Acceptance in CMS  Chambers 10% 20% Acceptance J/  at CMS Upsilon at CMS P t (GeV) Full Detector Barrel CMS: J/  mainly p T >5 GeV with barrel, due to  cutoff. ALICE:  >2.5 with  ATLAS (if they do HI) lower acceptance due to higher  p T cutoff.

Pablo Yepes, Rice U 4 HI May 19, 2001May 19, Quarkonia Reconstruction oEssential sub-detectors: sTracking devices sMuon system oPessimistic assumptions for background estimates: sdN ch /dy=8000 (most generators < 5500)    GeV/c (HIJING 0.39 GeV/c)   k =0.67 GeV/c Special Heavy Ion Tracking Algorithm Significant Muon background from  and K decays

Pablo Yepes, Rice U 5 HI May 19, 2001May 19, J/  Signal 1 month running at top Luminosity: J/  ’s detected and reconstructed in the Barrel: Min bias collisions - 1 month run - barrel only muons with P > 3.5 GeV/c Pb-Pb  /cont.= 1.0 # events/25 MeV/c Ca-Ca  /cont.= 9.7 Opposite-sign di-muon invariant mass (GeV/c 2 ) L= cm 2 s -1 # events/25 MeV/c 2 L= cm 2 s -1 ALICE: ~2K events with  s

Pablo Yepes, Rice U 6 HI May 19, 2001May 19, month:  and 7500  ’ detected in the barrel Upsilon in Pb-Pb Opposite-sign di-muon Invariant Mass (GeV/c 2 ) Background contributions # Events/25 MeV/c 2

Pablo Yepes, Rice U 7 HI May 19, 2001May 19, Upsilon in Ca-Ca 1 month:   ’ Only barrel used.

Pablo Yepes, Rice U 8 HI May 19, 2001May 19, Upsilon’/Upsilon ratio as a Thermometer (Ramona Vogt)

Pablo Yepes, Rice U 9 HI May 19, 2001May 19, Quarkonia Reference  At SPS, J/  is compared to Drell-Yan. oAt LHC Drell-Yan contribution is negligible. oZ 0 proposed as reference to  production. sM Z >M  sDifferent production mechanisms: < Z 0 : antiquark-quark, quark-gluon and antiquark-gluon. <  : gluon-gluon. oCross check di-muon reconstruction algorithm

Pablo Yepes, Rice U 10 HI May 19, 2001May 19, Jet Quenching Large p T quarks affected by hot hadronic media Jets at RHIC buried in low p T background Look at particle pt spectrum

Pablo Yepes, Rice U 11 HI May 19, 2001May 19, Jets at LHC are Easy for High Multiplicity PbPb omonojet/dijet enhancement  jet-Z 0   or jet-  dN ch /dy=8000 Total Calorimeter Energy   Jet Finding 100 GeV E T -  ~100% -  (E T )/E T =11.6%. Jet quenching

Pablo Yepes, Rice U 12 HI May 19, 2001May 19, Balancing Photons and Jets  E t jet,   120 GeV in the barrel o1 month: s900 events for Pb-Pb s10 4 events for Ca-Ca # Events/4 GeV E T  //  0 -E T Jet (GeV) =8 GeV =4 GeV =0 GeV Background 2 weeks at L=10 27 cm -2 s -1

Pablo Yepes, Rice U 13 HI May 19, 2001May 19, Ultra Peripheral Collisions (Coherent Interactions) oLow p T p T < 1/R  50 MeV  Low Energy E CM Max <  /R sCERN SPS E CM Max =0.5 GeV s RHIC E CM Max =6 GeV  Detected s CERN LHC E CM Max =160 GeV A A  or  P

Pablo Yepes, Rice U 14 HI May 19, 2001May 19, STAR Ultra-Peripheral Event (DNP 2000) End view AuAu    P (  Au)   Trigger: Low multiplicity and zero energy at Zero Degree Calorimeter (ZDC) Side view ZDC

Pablo Yepes, Rice U 15 HI May 19, 2001May 19,  Physics oNew Physics: sStandard Model H production marginal for HI  Any exotic particle coupling to . sSupersymmetric Higgs for some areas of parameters space.  Mainly studied at e + e - colliders.Typically  0 <m   c.  tot up to 70 GeV by LEP. oNon perturbative QED, coupling Z 2. e + e - Cross Sections

Pablo Yepes, Rice U 16 HI May 19, 2001May 19, events/sec/G eV  AA (barn) events/sec M (GeV)    f 2 a 2 f 2 '  c   c0  c2  b  0b bb H SM H' events/year M (GeV)  AA (M) (barn/GeV) hadrons e+e-e+e-          cc bb events/year/GeV Ultra-Peripheral Collisions  Cross Sections Meson or lepton/quark pair A A A A 

Pablo Yepes, Rice U 17 HI May 19, 2001May 19,  Physics, Hadron Spectroscopy o Heavy quark spectroscopy. Very large numbers expected oLight quark: Difficult at CMS because of low p T, challenge for triggering, unless a multiplicity trigger is used.

Pablo Yepes, Rice U 18 HI May 19, 2001May 19, Photon Nucleus (  A)   p studied in HERA: W  p <200 GeV   A at LHC: W  p <900 GeV  Vector meson production:  p(A)  Vp(A), V= ,J/   Very large rates, for example >10 4 Hz  in Ca-Ca sInterface QCD and hadronic physics  LHC will be a meson factory. Competitive with other meson factories like  factory at Frascatti (CP, QM tests, etc). sCan CMS trigger on these events. Clean events with only a few tracks.

Pablo Yepes, Rice U 19 HI May 19, 2001May 19, Conclusions oCMS is provides unique tools to study Heavy Ion Collisions at LHC. oSome physics topics: sQuarkonium production:  and J/  families. sJet quenching. s Ultra-Peripheral collisions.

Pablo Yepes, Rice U 20 HI May 19, 2001May 19, Addendum: Tracking oDeveloped for dN ch /dy=8000 and dN 0 /dy=4000.  Track only particles with tracks in  detector.  Use  -chambers tracks as seeds. oUse only tracking detector providing 3D space points. Occupancy (%) Detector Pitch  m MSGC 200 MSGC 240 Silicon 147 Radius of MSGC layer (cm)

Pablo Yepes, Rice U 21 HI May 19, 2001May 19, Interference oNuclei can emit or scatter pair stwo indistinguishable possibilities oAmplitudes add sVector meson has negative parity   ~ |A 1 - A 2 e ip·b | 2 < Destructive interference when p T << 1/b