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CERN Document Server 2,022 records found  1 - 10nextend  jump to record: Search took 0.22 seconds. 
1.
(100)
Rest Frame Subjet Algorithm With SISCone Jet For Fully Hadronic Decaying Higgs Search / Kim, Ji-Hun (Seoul Natl. U. ; CERN)
The rest frame subjet algorithm is introduced to define the subjets for the SISCone jet. Using it, an IR and collinear safe jet shape observable N-subjettiness, $\tau_N^{j}$, is defined to discriminate the fat jet from a highly boosted color singlet particle decaying to N partons and the QCD jet. [...]
arXiv:1011.1493; CERN-PH-TH-2010-276; CERN-PH-TH-2010-276.- 2011 - 5 p. - Published in : Phys. Rev. D 83 (2011) 011502 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint
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2.
(91)
Boosted Top Jet Tagging at CMS /CMS Collaboration
Multiple techniques for reconstructing highly Lorentz-boosted, hadronically-decaying top quarks are studied. These techniques, including the CMS Top Tagger, the HEP Top Tagger, and N-subjettiness, use jet substructure and jet mass observables to identify ``top-jets''. [...]
CMS-PAS-JME-13-007.- Geneva : CERN, 2014 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_001-d: PDF; Figure_001-e: PDF; Figure_001-f: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_010-c: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_011-c: PDF; Figure_012-a: PDF; Figure_012-b: PDF; Figure_012-c: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_013-c: PDF; Fulltext in PDF: PDF;
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3.
(62)
N-subjettiness as a jet shape to study the antenna effect in heavy-ion collisions / Durante, Christian (CERN)
I hereby briefly outline the work that I have done at CERN as a Summer Student [...]
CERN-STUDENTS-Note-2015-205. - 2015
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4.
(49)
New Jet Substructure Techniques at ATLAS / Swiatlowski, M (SLAC National Accelerator Laboratory)
The Q-jets technique introduces the idea of interpreting jets through multiple sets of possible showering histories. This approach allows jet observables, such as the jet mass, to be evaluated not simply as single values, but rather as distributions. [...]
ATL-PHYS-SLIDE-2013-518.- Geneva : CERN, 2013 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : BOOST2013 5th International Workshop on Boosted Object Phenomenology, Reconstruction, and Searches, Flagstaff, Arizona, Az, Usa, 12 - 16 Aug 2013
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5.
(46)
Search for new physics with fat jets at LHCb / Johansson, Ida-Marie Fauske (CERN)
The search for new physics at the LHCb includes the study and reconstruction of fat $b \overline{b}$-jets. [...]
CERN-STUDENTS-Note-2021-029. - 2021
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6.
(46)
Variable Radius, Exclusive-k$_{T}$, and Center-of-Mass Subjet Reconstruction for Higgs($\rightarrow b\bar{b}$) Tagging in ATLAS
Many physics searches in Run 2 of the Large Hadron Collider involve boosted Higgs bosons, which decay to two $b$-quarks with a large branching ratio. [...]
ATL-PHYS-PUB-2017-010. - 2017.
Original Communication (restricted to ATLAS) - Full text
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7.
(45)
Studying a denition for a boosted W/Z/H jet tagger at the FCChh, employing modern Machine Learning algorithms and customised features (beyond the usual substructure variables) / Brzhechko, Danyyl (CERN)
A jet is a spray of particles, usually produced by the hadronization of a quark or gluon in a particle physics or heavy ion experiment. [...]
CERN-STUDENTS-Note-2016-263. - 2016
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8.
(42)
Dichroic subjettiness ratios to distinguish colour flows in boosted boson tagging / Salam, Gavin P. (CERN) ; Schunk, Lais (IPhT, Saclay) ; Soyez, Gregory (IPhT, Saclay)
$N$-subjettiness ratios are in wide use for tagging heavy boosted objects, in particular the ratio of 2-subjettiness to 1-subjettiness for tagging boosted electroweak bosons. In this article we introduce a new, \emph{dichroic} ratio, which uses different regions of a jet to determine the two subjettiness measures, emphasising the hard substructure for the 1-subjettiness and the full colour radiation pattern for the 2-subjettiness. [...]
arXiv:1612.03917; CERN-TH-2016-251.- 2017-03-06 - 42 p. Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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9.
(40)
Performance and Validation of Q-Jets at the ATLAS Detector in pp Collisions at $\sqrt{s}$=8 TeV in 2012
The Q-jets technique introduces the idea of interpreting jets through multiple sets of possible showering histories. [...]
ATLAS-CONF-2013-087. - 2013. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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10.
(39)
b-tagging in boosted topologies /CMS Collaboration
As the LHC explores a new energy regime, searches for physics beyond the Standard Model at high mass scale will probe objects produced with a momentum considerably higher than their mass, modifying in a very appreciable way the event topology. The decay products of boosted objects will be collimated into a smaller area such that they could be merged within a single \emph{fat} jet. [...]
CMS-DP-2015-038; CERN-CMS-DP-2015-038.- Geneva : CERN, 2015 - 16 p. Fulltext: PDF;
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