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- Jet+MET+bTag Analysis Group
- Pixel clustering
- L2 b-jet trigger
- Jet re-clustering and close-by jets task force
Physics Analysis Information Summary (Run II)
Current Physics Analyses
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Topic | Physics WG | SLAC contact | SLAC people | Collaborating groups | Note/pubs | Public link | Internal link | Status | Last update |
|---|---|---|---|---|---|---|---|---|---|
| Search for di-Higgs production in the 4b final state from pp collisions at √s = 13 TeV with the ATLAS detector | Exotics / BSM Higgs | M. Kagan | M. Kagan Q. Zeng A. Schwartzman | SLAC, UCL, Amherst, Columbia, Chicago, Nikhef, Harvard | Analysis Twiki | preparing for first data | June 2015 | ||
| Search for Direct Stop production at 13 TeV | SUSY | B. Nachman | B. Nachman | SLAC, CERN, Geneva, Wuppertal, Stockholm, Penn | Early Run II supporting document: ATL-COM-PHYS-2015-326 | preparing for first data | June 2015 | ||
| Boosted Higgs–>bb tagging | B-tagging and Jet/ETmiss | M. Kagan | M. Kagan Q. Zeng A. Schwartzman Z. Jiang L. Tompkins | SLAC, Stanford, Chicago, Columbia, Amherst, Bonn, Harvard, CNRS, Yale, MSU, Edinburgh | BOOST 2015 note in preparation
| Twiki | Note in preparation for BOOST 2015 | June 2015 | |
| Jet substructure at 13 TeV with the early data | Jet/ETmiss | B. Nachman | B. Nachman | SLAC, University of Geneva | Supporting Documentation: ATL-COM-PHYS-2015-514 | Forming ed board | June 2015 | ||
| Expected b-tagging performance in Run-II vs Run-I | B-tagging | G. Piacquadio | G. Piacquadio | CPPM,Freiburg,Iowa,SLAC,UCL | Section contributing to IBL paper | https://svnweb.cern.ch/cern/wsvn/IBL/ibl_note.pdf | First draft ready | June 2015 |
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Physics
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Analysis Information Summary (Run
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I)
Current Physics Analyses
Topic | Physics WG | SLAC contact | SLAC people | Collaborating groups | Note/pubs | Public link | Internal link | Status | Last update | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATLAS+CMS combination of final Run-I Higgs results | Higgs | G. Piacquadio | G. Piacquadio | Many, from ATLAS and CMS | In preparation | Work ongoing in LHG group | June 2015 | ||||||||||||||||
B-tagging in dense environment note | B-tagging | G. Piacquadio | G. Piacquadio | SLAC,Wuppertal,UCL | In ATLAS final approval | https://cds.cern.ch/record/1981534?ln=en | End of ATLAS circulation | June 2015 | |||||||||||||||
| Performance and Calibration of the JetFitterCharm Algorithm for c-Jet Identification | B-tagging | G. Piacquadio | G. Piacquadio | SLAC,Yale,UCL | ATL-PHYS-PUB-2015-001
| https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PUBNOTES/ATL-PHYS-PUB-2015-001/ |
| Public | January 2015 | ||||||||||||||
| B-tagging at large eta | B-tagging | G. Piacquadio | G. Piacquadio | SLAC,Oklahoma,New York,UCL | ATLAS Large eta task force report (ATL-UPGRADE-INT-2015-001) | (not meant to become public) | https://cds.cern.ch/record/2020591 | Done | June 2015 | ||||||||||||||
| High-pt b-jet calibration using di-jet events | b-tagging | M. Kagan | M. Kagan | SLAC, Tokyo, Stockholm, Barcelona | in preparation | Twiki | note in preparation | ||||||||||||||||
| B-tagging validation in gluon–>bb events | b-tagging | Z. Jiang M. Kagan
| Z. Jiang M. Kagan B. Nachman Q. Zeng A. Schwartzman L. Tompkins | SLAC, Stanford | in preparation | note in preparation | |||||||||||||||||
| Track Jet Based b-tagging in Boosted and Resolved Topologies | B-tagging | M. Kagan | M. Kagan Q. Zeng A. Schwartzman Z. Jiang L. Tompkins | SLAC, Stanford, Columbia, Amherst, Nikhef, Tokyo, Stockholm, Barcelona, Bonn, Harvard, CNRS, Yale | ATL-PHYS-PUB-2014-013 | Twiki | Calibration focused note in preparation | June 2015 | |||||||||||||||
MSSM Higgs decaying to b-quarks, produced in association with a b-quark | Higgs | C. Malone | Su Dong, C. Malone, G. Piacquadio, | SLAC |
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| Supporting document (draft): | work in progress | March 2014 | ||||||||||||||
| Distinguishing Hadronic W and Z bosons | Jet/ETmiss | B. Nachman | B. Nachman, A. Schwartzman | SLAC | Supporting documentation: ATL-COM-PHYS-2014-309 | Collaboration Review | June 2015 | ||||||||||||||||
| Jet Charge measurement | Standard Model | B. Nachman | B. Nachman, A. Schwartzman, M. Swiatlowski | SLAC, Harvard | Supporting Documentation: ATL-COM-PHYS-2014-274 Paper Draft: ATL-COM-PHYS-2015-413 | EB review | June 2015 | Jet Pull Performance | Jet/ETmiss | B. Nachman | B. Nachman, A. Schwartzman, M. Swiatlowski | SLAC, Harvard||||||||||||
| Continuous b-tagging | B-tagging | G. Piacquadio | G. Piacquadio | SLAC, CERN,Genova, Nijmegen, Barcellona, AS | ATLAS-CONF-2014- | 048Supporting Documentation: ATL-COM-PHYS-2014-047 | Public | July 2014 | XXX | CONF NOTE in preparation Supports the simultaneous calibration of multiple working points, including correct propagation of correlated uncertainties. | SM Higgs to bb search | Higgs (HSG5) | G. Piacquadio | G. Piacquadio | Many | Final paper: JHEP01(2015)069 ATLAS-CONF-2013-079 (2013)
| Paper on arXiv Supporting documentation: https://cds.cern.ch/record/1563235 (old conf note) | 2014 (for paper): 2013 (for conf note): | Public | December 2014 | |||
| Neural network based pixel clustering | Tracking/Pixel | G. Piacquadio | T. Nelson, G. Piacquadio | SLAC, CERN | JINST 9 (2014) P09009 | A neural network clustering algorithm for the ATLAS silicon pixel detector, JINST 9 (2014) P09009 (http://arxiv.org/abs/1406.7690) Describes improvement in cluster resolution and ability to split shared clusters by using Neural Network pixel clustering (used in ATLAS reconstruction since beginning of 2012) | Supporting documentation: https://cds.cern.ch/record/1501928 | Public | Mid 2014 | ||||||||||||||
| Continuous b-tagging | B-tagging | G. Piacquadio | G. Piacquadio | SLAC, CERN,Genova, Nijmegen, Barcellona, AS | ATLAS-CONF-2014-XXX | CONF NOTE in preparation Supports the simultaneous calibration of multiple working points, including correct propagation of correlated uncertainties. | Supporting documentation: | EB review (will go in b-tag paper) | March 2014 | ||||||||||||||
| Calibration of b-tagging efficiency in data | B-tagging | G. Piacquadio | G. Piacquadio | SLAC (+ CERN, Nijmegen, Berlin, Stockholm for CONF note) | ATLAS-CONF-2014-004 | First ATLAS calibration with uncertainties as low as ~2%, based on novel likelihood method applied on di-lepton ttbar events. | Supporting documentation:
| CONF Note APPROVED (will go in b-tag paper) | February 2014 | ||||||||||||||
| EB review (will go in b-tag paper) | March 2014 | ||||||||||||||||||||||
| Calibration of b-tagging efficiency in data | B-tagging | G. Piacquadio | G. Piacquadio | SLAC (+ CERN, Nijmegen, Berlin, Stockholm for CONF note) | ATLAS-CONF-2014-004 | First ATLAS calibration with uncertainties as low as ~2%, based on novel likelihood method applied on di-lepton ttbar events. | Supporting documentation:
| CONF Note APPROVED (will go in b-tag paper) | February 2014 | ||||||||||||||
| RPV Multijet SUSY | SUSY | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | SLAC, UChicago, Adelaide | First limits on gluino-neutralino cascades in RPV models! | Finished | Feb 2015 | ||||||||||||||||
Pileup Jet Corrections | Jet/ETMiss | P. Nef | Pascal Nef, Ariel Schwartzman, Max Swiatlowski | Oxford, Lund, DESY | ATLAS-CONF-2012-064 for 2011 results, ATLAS-CONF-2013-084 for 2012 results |
| More work in progress | July 2013 | |||||||||||||||
| Pileup Jet Suppression | Jet/ETmiss | P. Nef | Pascal Nef, Ariel Schwartzman | SLAC | ATLAS-CONF-2014-018 ATL-PHYS-PUB-2014-001 (superseded) | 2014 CONF note approved | May 2014 | ||||||||||||||||
JES Determination and Uncertainties | Jet/ETMiss | RPV Multijet SUSY | SUSY | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | SLAC, UChicago, Adelaide | First limits on gluino-neutralino cascades in RPV models! | Finished | Feb 2015 | many | ATLAS-CONF-2012-171 | ATLAS-CONF-2012-171
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| Paper draft in progress | 2015 | ||||||||
Boosted Top ReconstructionPileup Jet Corrections | Jet/ETMiss | PM. NefSwiatlowski | Pascal NefMax Swiatlowski, Ariel Schwartzman, Max Swiatlowski | Oxford, Lund, DESY | SLAC, Columbia, Yale, UHeidelberg |
| ATLAS-CONF-2012-064 for 2011 results, ATLAS-CONF-2013-084 for 2012 resultsATLAS-CONF-2013-083, |
| More work in progress | July 2013 | Paper forthcoming | August 2013 | |||||||||||
Jet Substructure Performance Pileup Jet Suppression | Jet/ ETmissETMiss | P M. NefSwiatlowski | Pascal Nef Max Swiatlowski, Ariel Schwartzman | SLAC | ATLAS-CONF-2014-018 ATL-PHYS-PUB-2014-001 (superseded) | 2014 CONF note approved | May 2014 | ||||||||||||||||
JES Determination and Uncertainties | Jet/ETMiss | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | many | ATLAS-CONF-2012-171 | ATLAS-CONF-2012-171
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| Paper draft in progress | 2015 | ||||||||||||||
, UChicago, Columbia, Argonne, UCL, UHeidelberg | General paper on substructure performance and optimization using 7 TeV Run 1 data |
| Published | June 2013 | |||||||||||||||||||
b-tagging in boosted topologies | B-tagging and Jet/ETmiss | M. Kagan | M. Kagan, A. Schwartzman | SLAC, Buenos Aires, NIKEF, Columbia | none yet | none yet | work in progress | August 2013 | |||||||||||||||
Double B-Hadron Tagging | B-tagging | Boosted Top Reconstruction | Jet/ETMiss | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | SLAC, Columbia, Yale, UHeidelberg |
| University of Buenos Ares | ATLAS-CONF-2012-100 | ATLAS-CONF-20132012-084100 |
| Paper forthcoming | August 2013 | Jet Substructure Performance | 2011 CONF Approved | June 2012 | |||||||
Quark-Gluon Tagging | JetJet/ETMiss | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | SLAC, UChicagoLBNL, Columbia, Argonne, UCL, UHeidelberg | General paper on substructure performance and optimization using 7 TeV Run 1 data |
| Published | June 2013 | |||||||||||||||
b-tagging in boosted topologies | B-tagging and Jet/ETmiss | M. Kagan | M. Kagan, A. Schwartzman | SLAC, Buenos Aires, NIKEF, Columbia | none yet | none yet | work in progress | August 2013 | |||||||||||||||
Harvard, Yale | Double B-Hadron Tagging | B-tagging | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | University of Buenos Ares |
| 2011 CONF Approved | June 2012 | First published paper | Quark-Gluon Tagging | Jet/ETMiss | M. Swiatlowski | Max Swiatlowski, Ariel Schwartzman | SLAC, LBNL, Harvard, Yale | http://arxiv.org/abs/1405.6583, ATLAS-CONF-2012-138 First published paper on q/g tagging at a hadron collider! | Finished (8 TeV + 13 TeV work ongoing) | May 2014 | ||||||
Q-Jets | Jet/ETMiss | M. Swiatlowski | Max Swiatlowski, Ben Nachman, Ariel Schwartzman | SLAC, University of Washington | ATLAS-CONF-2013-087 |
| CONF Note Approved for BOOST 2013 | August 2013 | |||||||||||||||
Jet Charge (performance) | Jet/ETMiss | B. Nachman | Ben Nachman, Max Swiatlowski, Ariel Schwartzman | SLAC, Duke | ATLAS-CONF-2013-086 | https://cdsweb.cern.ch/record/1554095, https://cds.cern.ch/record/1566473 | CONF Note approved for BOOST 2013 (August 2013) | August 2013 | |||||||||||||||
Jet image processing analysis | Jet/ETmiss | M. Kagan, E. Strauss, J. Cagan | M. Kagan, E. Strauss, J. Cagan, A. Schwarztman | SLAC | ArXiV 1407.5675 | Published on ArXiV | January 2015 | ||||||||||||||||
Stopped Gluino Search | SUSY | J. Cogan | Andy Haas, Paul Jackson, Josh Cogan | SLAC | ATL-COM-PHYS-2011-166, | https://confluence.slac.stanford.edu/display/Atlas/Stopped+Gluinos | https://twiki.cern.ch/twiki/bin/view/AtlasProtected/StoppedGluinos | submitted to EPJ (Jan/2012) | 5/2/2012 | ||||||||||||||
Lepton-jets Search | Exotics | E. Strauss | Emanuel Strauss | SLAC, NYU, U. Alberta, U. Michigan | https://confluence.slac.stanford.edu/display/Atlas/Lepton+Jets | https://twiki.cern.ch/twiki/bin/view/AtlasProtected/Leptonjets | 2011 analysis in EB review | 8/1/2012 | |||||||||||||||
Boosted objects signatures using jet substructure | Exotics and Standard Model | A. Schwartzman | David. W. Miller, Ariel Schwartzman | SLAC, ANL, UCL, DESY, McGill, Toronto, Oxford, IFIC, UAN, Weizmann, |
| CONF Note approved on 5/17/11 | 5/17/11 | ||||||||||||||||
QCD Event Shapes at High Q^2 | Standard Model | A. Schwartzman | David. W. Miller, Ariel Schwartzman | SLAC |
| PRD draft in collab review | 5/2/2012 | ||||||||||||||||
SUSY searches with b + MET | SUSY | A. Schwartzman | Bart Butler, Per Hansson, Ariel Schwartzman, Dan Silverstein | SLAC, U Oklahoma, Tokyo, Sheffield, Liverpool, Freiburg, UT Arlington, CERN, Beunos Aires | ATL-COM-PHYS-2011-185 |
| submitted to PRD (Mar/2012) | 5/2/2012 | |||||||||||||||
SUSY direct Stop search in 1 lepton + MET final state, full 2012 data | SUSY | T. Eifert | Till Eifert, Philippe Grenier, Ben Nachman | SLAC, Yale, Wuppertal, Geneva, NIKHEF |
| https://twiki.cern.ch/twiki/bin/viewauth/AtlasProtected/DirectStop1Lepton | Target: publication (conference note is public) | 4/4/2013 | |||||||||||||||
Higgs decaying to Z gamma | Higgs | T. Barklow | J. Cogan, B. Fulsom, T. Barklow | SLAC et al. (+22 groups) |
| In progress | 2013/09/05 | ||||||||||||||||
Decay of X(3872) to J/psi gamma | BPhys | B. Fulsom | B. Fulsom | SLAC, Lancaster, Birmingham, Manchester |
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| In development | 2013/09/05 |
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Topic | Physics WG | SLAC contact | SLAC people | Collaborating groups | Note/pubs | Public link | Internal link | Status | Last update | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colorflow in the SM using top events | Top | B. Nachman,M. Swiatlowski | B. Nachman, A. Schwartzman, M. Swiatlowski | SLAC, Manchester, Harvard | arXiv:1506.05629 | CONF on pull reconstruction and performance published; Paper now published! | Supporting Documentation: ATL-COM-PHYS-2014-767 Paper Draft: ATL-COM-PHYS-2015-136 | |||||||||||
Search for
| Exotics / BSM Higgs | M. Kagan | M. Kagan | SLAC, UCL, Amherst, Columbia, Chicago, Nikhef |
paper on arXiv | Analysis Twiki | public Submitted to EPJC | s = 8 TeV with the ATLAS detector
| Exotics / BSM Higgs | M. Kagan | M. Kagan | SLAC, UCL, Amherst, Columbia, Chicago, Nikhef |
paper on arXiv | Analysis Twiki | public Submitted to EPJC | May 2015 | ||
| Jet Pull Performance | Jet/ETmiss | B. Nachman | B. Nachman, A. Schwartzman, M. Swiatlowski | SLAC, Harvard | ATLAS-CONF-2014-048 | Supporting Documentation: ATL-COM-PHYS-2014-047 | Public | July 2014 | ||||||||||
| SM Higgs to bb search | Higgs (HSG5) | G. Piacquadio | G. Piacquadio | Many | Final paper: JHEP01(2015)069 ATLAS-CONF-2013-079 (2013)
| Paper on arXiv https://cds.cern.ch/record/1563235 (old conf note) | 2014 (for paper): 2013 (for conf note): | Public | December 2014 | |||||||||
| Neural network based pixel clustering | Tracking/Pixel | G. Piacquadio | T. Nelson, G. Piacquadio | SLAC, CERN | JINST 9 (2014) P09009 | A neural network clustering algorithm for the ATLAS silicon pixel detector, JINST 9 (2014) P09009 (http://arxiv.org/abs/1406.7690) Describes improvement in cluster resolution and ability to split shared clusters by using Neural Network pixel clustering (used in ATLAS reconstruction since beginning of 2012) | Supporting documentation: https://cds.cern.ch/record/1501928 | Public | Mid 2014May 2015 | |||||||||
Inclusive Same-Sign Dilepton Analysis | Exotics | M. Wilson | M. Wilson | AS Taipei, Duke Univ., Heidelberg Univ., HU Berlin, Lund Univ., NIKHEF, SLAC, UC Berkeley, UC Irvine, Univ. of Manchester., Univ. of Pittsburgh | ATL-COM-PHYS-2010-1056 |
| Published in JHEP Oct/2011 | 5/2/2012 |
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