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ANPCyT, Argentina, YerPhI, Armenia, ARC, Australia, BMWF, Austria, ANAS, Azerbaijan, SSTC, Belarus, CNPq, FAPESP, Brazil, NSERC, NRC, CFI, Canada, CERN, CONICYT, Chile, CAS, MOST, NSFC, China, COLCIENCIAS, Colombia, MSMT CR, MPO CR, VSC CR, Czech Republic, DNRF, DNSRC, Lundbeck Foundation, Denmark, EPLANET, ERC, European Union, IN2P3-CNRS, CEA-DSM/IRFU, France, GNAS, Georgia, BMBF, Germany, DFG, HGF, MPG, AvH Foundation, Germany, GSRT, Greece, ISF, MINERVA, GIF, DIP, Benoziyo Center, Israel, INFN, Italy, MEXT, JSPS, Japan, CNRST, Morocco, FOM, NWO, Netherlands, RCN, Norway, MNiSW, Poland, GRICES, FCT, Portugal, MERYS (MECTS), Romania, MES of Russia, ROSATOM, Russian Federation, JINR, MSTD, Serbia, MSSR, Slovakia, ARRS, MVZT, Slovenia, DST/NRF, South Africa, MICINN, Spain, SRC, Wallenberg Foundation, Sweden, SER, SNSF, Cantons of Bern, Geneva, Switzerland, NSC, Taiwan, TAEK, Turkey, STFC, Royal Society, Leverhulme Trust, United Kingdom, DOE, NSF, United States of America, ICREA

Authors

Publications

Measurement of the flavour composition of dijet events in pp collisions at root s=7 TeV with the ATLAS detector

Aad, G.; Borjanovic, I.; Božović-Jelisavčić, Ivanka; Ćirković, Predrag; Agatonović-Jovin, Tatjana; Krstić, Jelena; Mamužić, Judita; Popovic, D. S.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Vranješ Milosavljević, Marija; Zivkovic, L.

(2013)

TY  - JOUR
AU  - Aad, G.
AU  - Borjanovic, I.
AU  - Božović-Jelisavčić, Ivanka
AU  - Ćirković, Predrag
AU  - Agatonović-Jovin, Tatjana
AU  - Krstić, Jelena
AU  - Mamužić, Judita
AU  - Popovic, D. S.
AU  - Sijacki, Dj.
AU  - Simic, Lj.
AU  - Vranjes, N.
AU  - Vranješ Milosavljević, Marija
AU  - Zivkovic, L.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5483
AB  - This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at root s = 7 TeV using the ATLAS detector. The measurement uses the full 2010 data sample, corresponding to an integrated luminosity of 39 pb(-1). Six possible combinations of light, charm and bottom jets are identified in the dijet events, where the jet flavour is defined by the presence of bottom, charm or solely light flavour hadrons in the jet. Kinematic variables, based on the properties of displaced decay vertices and optimised for jet flavour identification, are used in a multidimensional template fit to measure the fractions of these dijet flavour states as functions of the leading jet transverse momentum in the range 40 GeV to 500 GeV and jet rapidity vertical bar y vertical bar LT 2.1. The fit results agree with the predictions of leading-and next-to-leading-order calculations, with the exception of the dijet fraction composed of bottom and light flavour jets, which is underestimated by all models at large transverse jet momenta. The ability to identify jets containing two b-hadrons, originating from e. g. gluon splitting, is demonstrated. The difference between bottom jet production rates in leading and subleading jets is consistent with the next-to-leading-order predictions.
T2  - European Physical Journal C. Particles and Fields
T1  - Measurement of the flavour composition of dijet events in pp collisions at root s=7 TeV with the ATLAS detector
VL  - 73
IS  - 2
DO  - 10.1140/epjc/s10052-013-2301-5
ER  - 
@article{
author = "Aad, G. and Borjanovic, I. and Božović-Jelisavčić, Ivanka and Ćirković, Predrag and Agatonović-Jovin, Tatjana and Krstić, Jelena and Mamužić, Judita and Popovic, D. S. and Sijacki, Dj. and Simic, Lj. and Vranjes, N. and Vranješ Milosavljević, Marija and Zivkovic, L.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5483",
abstract = "This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at root s = 7 TeV using the ATLAS detector. The measurement uses the full 2010 data sample, corresponding to an integrated luminosity of 39 pb(-1). Six possible combinations of light, charm and bottom jets are identified in the dijet events, where the jet flavour is defined by the presence of bottom, charm or solely light flavour hadrons in the jet. Kinematic variables, based on the properties of displaced decay vertices and optimised for jet flavour identification, are used in a multidimensional template fit to measure the fractions of these dijet flavour states as functions of the leading jet transverse momentum in the range 40 GeV to 500 GeV and jet rapidity vertical bar y vertical bar LT 2.1. The fit results agree with the predictions of leading-and next-to-leading-order calculations, with the exception of the dijet fraction composed of bottom and light flavour jets, which is underestimated by all models at large transverse jet momenta. The ability to identify jets containing two b-hadrons, originating from e. g. gluon splitting, is demonstrated. The difference between bottom jet production rates in leading and subleading jets is consistent with the next-to-leading-order predictions.",
journal = "European Physical Journal C. Particles and Fields",
title = "Measurement of the flavour composition of dijet events in pp collisions at root s=7 TeV with the ATLAS detector",
volume = "73",
number = "2",
doi = "10.1140/epjc/s10052-013-2301-5"
}
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Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector

Aad, G.; Borjanovic, I.; Božović-Jelisavčić, Ivanka; Ćirković, Predrag; Agatonović-Jovin, Tatjana; Krstić, Jelena; Mamužić, Judita; Popovic, D. S.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Vranješ Milosavljević, Marija; Zivkovic, L.

(2013)

TY  - JOUR
AU  - Aad, G.
AU  - Borjanovic, I.
AU  - Božović-Jelisavčić, Ivanka
AU  - Ćirković, Predrag
AU  - Agatonović-Jovin, Tatjana
AU  - Krstić, Jelena
AU  - Mamužić, Judita
AU  - Popovic, D. S.
AU  - Sijacki, Dj.
AU  - Simic, Lj.
AU  - Vranjes, N.
AU  - Vranješ Milosavljević, Marija
AU  - Zivkovic, L.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5621
AB  - The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.
T2  - Physical Review D
T1  - Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector
VL  - 88
IS  - 3
DO  - 10.1103/PhysRevD.88.032004
ER  - 
@article{
author = "Aad, G. and Borjanovic, I. and Božović-Jelisavčić, Ivanka and Ćirković, Predrag and Agatonović-Jovin, Tatjana and Krstić, Jelena and Mamužić, Judita and Popovic, D. S. and Sijacki, Dj. and Simic, Lj. and Vranjes, N. and Vranješ Milosavljević, Marija and Zivkovic, L.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5621",
abstract = "The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.",
journal = "Physical Review D",
title = "Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector",
volume = "88",
number = "3",
doi = "10.1103/PhysRevD.88.032004"
}
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