LHC students poster session

Wednesday 13 Mar 2013, 16:40 → 21:00 Europe/Zurich

Building 40, ground floor (CERN)

Poster session on the most recent physics results from the LHC experiments, prepared by the experiments' PhD students. The session will take place during the Wednesday afternoon session of the March 2013 LHCC, starting at 5pm. Venue: ground floor, building 40 Refreshments will be served.

Jets and QCD studies¶

• hard jets: production and properties
• MB&UE studies
• small-x, diffraction
• general properties of pp collisions: elastic, inelastic, diffractive cross sections
• ...

1 Direct photon production in 7 TeV pp collisions in ATLAS¶

Speakers: Scarlet Norberg, Scarlet Rachel Norberg (University of Oklahoma (US))

Slides LHCC_2013_Photon_pres_tab.pdf

2 LHCf measurements of neutron production at large rapidity¶

Speaker: Kawade Kentaro

Poster 2013LHCC_poster_kawde_LHCf.pdf

3 Measurement of the 3-jet mass cross section and extraction of αs.¶

Speaker: Fred Stober (KIT - Karlsruhe Institute of Technology (DE))

4 Measurement of the jet cross sections at CMS¶

Speaker: Ozlem Kaya (Bogazici University (TR))

5 Studies of soft diffraction with TOTEM at the LHC¶

Speaker: Fredrik Oljemark (Helsinki Institute of Physics (FI))

Slides Fp2013_FO_KO-v5d.pdf

EW gauge bosons¶

6 Measurement of the muon charge asymmetry in inclusive pp→W+X production at 7 TeV.¶

Speaker: Saranya Samik Ghosh (Tata Inst. of Fundamental Research (IN))

7 ZZ cross-section measurement and limits on anomalous neutral triple gauge couplings.¶

Speaker: Luca Pernie (Universite Libre de Bruxelles (BE))

Slides Lhcc_ZZ_13_03_13_LOGOB1.pdf

8 Measurement of the W→μν+bb Cross Section with the CMS detector.¶

Speaker: Isabel Ojalvo (University of Wisconsin (US))

9 Probing Z/gamma* boson transverse momentum with angular correlations in Drell-Yan lepton pairs in ATLAS¶

10 Recent Dibosons Results from ATLAS¶

Speakers: Joany Andreina Manjarres Ramos (CEA/IRFU,Centre d'etude de Saclay Gif-sur-Yvette (FR)), Vasiliki Kouskoura (Aristotle Univ. of Thessaloniki (GR))

Slides ATLAS-LHCC-joany-vkousk-2013-A0_v3.3.pdf

Heavy Ion collisions¶

11 (Anti-)matter and hyper-matter production at the LHC with ALICE¶

Speaker: Nicole Alice Martin (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))

12 Electroweak measurements in heavy ion collisions with CMS.¶

Speaker: Michael Gardner (University of California Davis (US))

13 Jet measurements in heavy ion collisions with CMS¶

Speaker: Doga Can Gulhan (Massachusetts Inst. of Technology (US))

Slides LHCC_CMS_highpT_Doga_v3.pdf

14 Measurement of full jet pT spectra in 2.76 TeV pp and Pb-Pb collisions with the ALICE detector¶

Speaker: Salvatore Aiola (Lawrence Berkeley National Lab. (US))

Slides 2013-03-13-SAiola-LHCCPosterSessionv4.pdf

15 Multi-strange baryon production in Pb-Pb collisions at the LHC with ALICE¶

Speaker: Domenico Colella (Universita e INFN (IT))

Slides LHCC2013poster_colella.pdf

16 Photoproduction in Pb-Pb collisions with ALICE at the LHC¶

Speaker: Andrea Agostinelli (Universita e INFN (IT))

Slides LHCC_UP_v3.pdf

17 Transverse Momentum Distributions of Identified Particles in Pb-Pb Collisions at sqrt(s) = 2.76 TeV and p-Pb Collisions at sqrt(s) = 5.02 TeV in ALICE¶

Speaker: Jonas Anielski (Westfaelische Wilhelms-Universitaet Muenster (DE))

Poster posterLHCC_v5.pdf

Physics of heavy flavours¶

• charm and bottom hadron decays
• charm and bottom hadron spectroscopy
• CKM and CP violation
• BSM studies with heavy quarks

18 Charmless B-> 3-body decays at LHCb¶

Speaker: Jessica Prisciandaro (Ecole Polytechnique Federale de Lausanne (CH))

Slides Poster_LHCC.pdf

19 First evidence for the decay Bs -> mumu¶

Speaker: Siim Tolk (NIKHEF (NL))

Slides FirstEvidenceForBsmm_LHCC_Tolk_vPrint.pdf

20 LHCb results on B meson mixing¶

Speakers: Frank Meier, Ulrich Paul Eitschberger (Technische Universitaet Dortmund (DE))

Poster Bmesonmixing.pdf

21 Measurement of gamma from B->DK decays¶

Speaker: Nazim Hussain (University of Oxford (GB))

Poster LHCC_Poster_NH.pdf

22 Measurement of the decay-time-evolultion of Bs -> J/psi phi decays¶

Speaker: Vasileios Syropoulos (NIKHEF (NL))

Poster phi_sPoster.pdf

23 Measurements of b hadron masses¶

Speaker: Raphael Marki (Ecole Polytechnique Federale de Lausanne (CH))

Poster PosterLHCbBbaryons.pdf

24 Search for CP violation in D->4h decays¶

Speaker: Matt Coombes (University of Bristol (GB))

25 Search for the rare decays D->hmumu at LHCb¶

Speaker: Ed Greening (University of Oxford (GB))

Slides D2PiMuMu-POSTER.pdf

26 Study of CP asymmetry in B0 -> K*mumu¶

Speaker: Simon Robert Magee Wright (University of Cambridge (GB))

Top quark physics¶

• top quark properties and couplings
• top quark production

27 A study of heavy flavor quarks produced in association with top quark pairs at sqrt(s) = 7 TeV¶

Speaker: Richard Arthur Wall

28 Combination of CMS Results on the Mass of the Top Quark¶

Speaker: Guillaume Garcia (Ghent University (BE))

Poster TopMassCombination_LHCC2013_0312.pdf

29 Evidence for associated production of a single top quark and W boson in pp collisions at a center-of-mass energy of 7 TeV with the CMS experiment¶

Speaker: Daniel Noonan (University of Kansas (US))

Poster 7TeVPoster.pdf

30 Measurement of differential top-quark pair production cross sections¶

Speaker: Ivan Asin Cruz (Deutsches Elektronen-Synchrotron (DE))

Poster Asin-PosterLHCC.pdf

31 Measurement of the t-channel single top production cross section and the charge asymmetry at CMS¶

Speaker: Steffen Rocker (KIT - Karlsruhe Institute of Technology (DE))

Poster LHCC-Poster.pdf

32 Search for CP violation in single top quark events in pp collisions at root-s = 7 TeV with the ATLAS detector¶

Speaker: Maria Moreno Llacer (Universidad de Valencia (ES))

Slides ATLAS-LHCC-AFBN_2013.pdf

33 Towards a Measurement of Spin Correlation of ttbar Events at CMS using a Matrix Element Method¶

Speaker: Kelly Beernaert (Ghent University (BE))

Slides LHCC_TopSC_KellyBeernaert.pdf

Higgs studies¶

34 Combination of the searches for the low mass Standard Model Higgs boson with the ATLAS detector¶

Speaker: Andrea Gabrielli (Universita e INFN, Roma I (IT))

Poster ATL-HIGGS-COMB_POSTER_LHCC-2013.pdf

35 Observation of a new boson in the search for the standard model Higgs boson in the H→ZZ→4ℓ channel in pp collisions at s= 7 and 8 TeV with the CMS detector¶

Speaker: Stefano Casasso (Universita e INFN (IT))

Slides PosterLHCC.pdf

36 Observation of the new Higgs-like particle in the four lepton decay channel with the ATLAS detector¶

Speaker: Xiangyang

37 Properties determination of the newly-discovered boson with H→γγ decay¶

Speaker: Alex Mott (California Institute of Technology (US))

38 Search for H->tautau at LHCb¶

Speaker: Philip James Ilten (University College Dublin (IE))

Poster poster.pdf

39 Search for SM Higgs Boson Production in the Dimuon Final State¶

Speaker: Justin Hugon (University of Florida (US))

40 Search for the MSSM Higgs bosons with the ATLAS detector¶

Speaker: Alexander Madsen (Uppsala University (SE))

Poster poster.pdf

41 Search for the Standard Model Higgs Boson decaying to Bottom Quarks¶

Speaker: Pierluigi Bortignon (Eidgenoessische Tech. Hochschule Zuerich (CH))

Slides 20130313_ZHbbPoster_LHCC_toPrint.pdf

42 Search for the standard model Higgs boson decaying to tau pairs produced in association with a W or Z boson¶

Speaker: Cecile Sarah Caillol (Universite Libre de Bruxelles (BE))

BSM searches¶

• Direct searches of the production of new particles (SUSY, Z', heavy quarks, ....)

43 Inclusive search for squarks and gluinos with razor variables¶

Speaker: Javier Mauricio Duarte (California Institute of Technology (US))

44 Overview and recent results on the search for top squark production with the ATLAS detector¶

Speakers: Kilian Rosbach (Universite de Geneve (CH)), Simone Federico Brazzale (Universita degli Studi di Udine (IT))

45 Search for an excited quark decaying to a top quark plus gluon¶

Speaker: Ta-Wei Wang (National Taiwan University (TW))

46 Search for high-mass dilepton resonances in 20/fb of pp collisions at sqrt(s)= 8 TeV with the ATLAS detector¶

Speaker: Stefan Rave (Johannes-Gutenberg-Universitaet Mainz (DE))

47 Search for New Phenomena in Monojet plus Missing Transverse Momentum Final States with the ATLAS detector at the LHC¶

Speaker: Johanna Gramling (Universite de Geneve (CH))

Slides ATLAS-LHCC-JGRAMLING_FINAL.pdf

48 Search for new physics in final states with a charged lepton and missing transverse energy¶

Speaker: Mark Olschewski (Rheinisch-Westfaelische Tech. Hoch. (DE))

Slides poster.pdf

49 Search for New Physics Using Boosted Top Quarks in the All-Hadronic Channel¶

Speaker: Justin Pilot (University of California Davis (US))

Slides ZPrimePoster.pdf

50 Search for tb resonances¶

Speaker: David Sperka (Boston University (US))

Slides LHCCWprimeTBAZero.pdf

51 Search for top squark pair production in fully hadronic events using 21 fb-1 of 8 TeV pp collisions with the ATLAS detector¶

Speaker: Francesca Ungaro (Albert-Ludwigs-Universitaet Freiburg (DE))

Slides ungaro_stop0lep.pdf

52 SUSY search with two same-sign leptons and jets with the ATLAS detector using 21 fb-1 of pp collisions at 8TeV¶

Speakers: Horia Hulubei, Otilia Anamaria Ducu (Horia Hulubei National Institute of Physics and Nuclear Enginee)

Slides ATLAS-LHCC-OTILIA-DUCU.pdf

Production of heavy quarks¶

53 Azimuthal angular correlation between heavy-flavour decay electrons and charged hadrons in pp collisions at sqrt(s) = 2.76 TeV in ALICE¶

Speaker: Deepa Thomas (University of Utrecht (NL))

54 Quarkonium measurements in Pb-Pb collisions at sqrt{s_NN} = 2.76 TeV with the ALICE Muon Spectrometer¶

Speaker: Lizardo Valencia Palomo (Universite de Paris-Sud 11 (FR))

Slides LizardoValenciaPalomo.pdf

55 Measurement of J/Psi -> e+e- Production in Pb-Pb Collisions at sqrt(s)=2.76 TeV in ALICE at the LHC¶

Speaker: Julian Book (Johann-Wolfgang-Goethe Univ. (DE))

Poster Poster_FINAL_Kopie.png

56 Measurement of D meson azimuthal anisotropy in Pb-Pb collisions at sqrt(s_NN)=2.76 TeV with ALICE¶

Speaker: Andrea Festanti (Universita e INFN (IT))

Slides AFestanti_LHCC_March13_A0_5.pdf

57 Full Reconstruction of B Mesons with the ALICE Inner Tracker Upgrade¶

Speaker: Johannes Hendrik Stiller (Ruprecht-Karls-Universitaet Heidelberg (DE))

Slides Johannes_Stiller_-_LHCC_Poster_-_ITS_Upgrade.pdf

58 Quarkonia production at LHCb¶

Speaker: Andrew David Cook (University of Bristol (GB))

59 Measurement of the B+ meson production cross section at high pT with the ATLAS detector¶

Speaker: Ioannis Nomidis (Aristotle Univ. of Thessaloniki (GR))

Slides Poster-LHCC2013_Nomidis.pdf

Physics performance et al¶

Physics performance, simulation, luminosity determination, trigger, detector R&D

60 A GEM-based readout for the ALICE TPC¶

Speaker: Andreas Hoenle

61 A novel method for an absolute luminosity measurement at LHCb using beam-gas imaging¶

Speaker: Colin Barschel (Rheinisch-Westfaelische Tech. Hoch. (DE))

Poster Colin_Barschel_LHCC_Poster_20130313_final_raster.pdf

62 ATLAS B-tagging performance in 2012¶

Speaker: Ian Connelly

Slides ATLAS-LHCC-Template_2013_a0_-_Btagging_performace_in_2012_draft_8.pdf

63 ATLAS CALO operations, DQ, performance¶

Speakers: Ki Lie (Univ. Illinois at Urbana-Champaign (US)), Nikolina Ilic (University of Toronto (CA))

64 ATLAS Muon/MCP¶

Speakers: Alessio Venturini (Brandeis University (US)), Stefano Zambito (Brandeis University (US))

Slides POSTER_FINALE.pdf

65 ATLAS TDAQ System Performance in 2012 Data Taking¶

Speaker: Tommaso Colombo (CERN and Universität Heidelberg)

Poster poster.pdf

66 ATLAS Tracking, Beam Protection, and Forward Detector Systems¶

Speakers: Mr Cristiano Alpigiani (University of London (GB)), Cristiano Alpigiani

Slides ATL-COM-INDET-2013-009.pdf

67 Developments of a fast and flexible large-scale simulation for ATLAS¶

Speaker: Elmar Ritsch (University of Innsbruck (AT))

Poster ATL-COM-SOFT-2013-001.pdf

68 ECAL calibration and energy scale and resolution for electrons and photons¶

Speakers: Alex Mott (California Institute of Technology (US)), Cristian Ignacio Pena Herrera (California Institute of Technology (US))

69 Fast Simulation in CMS detector¶

Speaker: Federica Primavera (Universita e INFN (IT))

Poster PosterFastSim.pdf

70 Flavour tagging at LHCb¶

Speaker: Antonio Falabella (Universita di Ferrara (IT))

Poster poster.pdf

71 High Level Trigger development in CMS with OpenHLT¶

Speaker: Zeynep Demiragli (Brown University (US))

72 Jets, Missing ET, and Jet Substructure and Tagging Performance in ATLAS¶

Speaker: Maximilian J Swiatlowski (SLAC National Accelerator Laboratory (US))

Slides LHCC-JetETMiss-Swiatlowski-3.pdf

73 LHC Optics Determination with Proton Tracks Measured in the Roman Pot Detectors of the TOTEM Experiment¶

Speaker: Frigyes Janos Nemes (Hungarian Academy of Sciences (HU))

Slides estimate_optics_poster.pdf

74 Luminosity measurements in ATLAS¶

Speaker: Samuel Nathan Webb (University of Manchester (GB))

Poster ATL-COM-PHYS-2013-274.pdf

75 Performance of Tau Reconstruction and Identification in 2012 with ATLAS¶

Speaker: Alexander Naip Tuna (University of Pennsylvania (US))

Slides Tuna-TauCP-v01-06-ATLAS-LHCC-2013-a0.pdf

76 Photon efficiency in ATLAS¶

Speaker: Kun Liu (Univ. of Science & Tech. of China (CN) and LPNHE Paris)

Slides ATLAS-LHCC-Photon-Efficiency.pdf

77 Reference cross section measurements in pp and Pb-Pb collisions at the LHC with the ALICE detector¶

Speaker: Emilia Leogrande (Universita e INFN (IT))

Slides poster_full.pdf

78 Tracking performance in CMS high level trigger system¶

Speaker: Valentina Gori (Universita e INFN (IT))

Slides LHCC_poster_new.pdf

79 Trigger monitoring in ATLAS¶

Speakers: Elizabeth Caitlin Brost (University of Oregon (US)), Jane Theresa Cummings (Yale University (US))

Slides LHCC_TriggerMonitoring_v4.pdf