Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector
2011
Authors
Aad, G.Borjanović, Iris
Božović-Jelisavčić, Ivanka
Agatonović-Jovin, Tatjana
Krstić, Jelena
Mamužić, Judita
Mudrinić, Mihajlo
Popović, D. S.
Reljić, D.
Sijacki, Dj.
Simić, Lj.
Vranješ, Nenad
Vranješ Milosavljević, Marija
Živković, Lada
ATLAS Collaboration (ukupan broj autora: 3016)
Article
Metadata
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The inclusive and dijet production cross-sections have been measured for jets containing b-hadrons (b-jets) in proton-proton collisions at a centre-of-mass energy of root s = 7 TeV, using the ATLAS detector at the LHC. The measurements use data corresponding to an integrated luminosity of 34 pb(-1). The b-jets are identified using either a lifetime-based method, where secondary decay vertices of b-hadrons in jets are reconstructed using information from the tracking detectors, or a muon-based method where the presence of a muon is used to identify semileptonic decays of b-hadrons inside jets. The inclusive b-jet cross-section is measured as a function of transverse momentum in the range 20 LT p(T) LT 400 GeV and rapidity in the range vertical bar y vertical bar LT 2.1. The b LT (b)over bar GT -dijet cross-section is measured as a function of the dijet invariant mass in the range 110 LT m(jj) LT 760 GeV, the azimuthal angle difference between the two jets and the angular variable chi in... two dijet mass regions. The results are compared with next-to-leading-order QCD predictions. Good agreement is observed between the measured cross-sections and the predictions obtained using POWHEG + Pythia. MC"NLO + Herwig shows good agreement with the measured b (b) over bar -dijet cross-section. However, it does not reproduce the measured inclusive cross-section well, particularly for central b-jets with large transverse momenta.
Source:
European Physical Journal C. Particles and Fields, 2011, 71, 12Funding / projects:
- ANPCyT, Argentina, YerPhI, Armenia, ARC, Australia, BMWF, Austria, ANAS, Azerbaijan, SSTC, Belarus, CNPq, FAPESP, Brazil, NSERC, NRC and CFI, Canada, CERN, CONICYT, Chile, CAS, MOST and NSFC, China, COLCIEN-CIAS, Colombia, MSMT CR, MPO CR and VSC CR, Czech Republic, DNRF, DNSRC and Lundbeck Foundation, Denmark, ARTEMIS, European Union, IN2P3-CNRS, CEA-DSM/IRFU, France, GNAS, Georgia, BMBF, DFG, HGF, MPG and AvH Foundation, Germany, GSRT, Greece, ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel, INFN, Italy, MEXT and JSPS, Japan, CNRST, Morocco, FOM and NWO, Netherlands, RCN, Norway, MNiSW, Poland, GRICES and FCT, Portugal, MERYS (MECTS), Romania, MES of Russia and ROSATOM, Russian Federation, JINR, MSTD, Serbia, MSSR, Slovakia, ARRS and MVZT, Slovenia, DST/NRF, South Africa, MICINN, Spain, SRC and Wallenberg Foundation, Sweden, SER, SNSF and Cantons of Bern and Geneva, Switzerland, NSC, Taiwan, TAEK, Turkey, STFC, Royal Society, Leverhulme Trust, United Kingdom, DOE and NSF, United States of America, ICREA
DOI: 10.1140/epjc/s10052-011-1846-4
ISSN: 1434-6044; 1434-6052
WoS: 000298347800030
Scopus: 2-s2.0-84925246052
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VinčaTY - JOUR AU - Aad, G. AU - Borjanović, Iris AU - Božović-Jelisavčić, Ivanka AU - Agatonović-Jovin, Tatjana AU - Krstić, Jelena AU - Mamužić, Judita AU - Mudrinić, Mihajlo AU - Popović, D. S. AU - Reljić, D. AU - Sijacki, Dj. AU - Simić, Lj. AU - Vranješ, Nenad AU - Vranješ Milosavljević, Marija AU - Živković, Lada PY - 2011 UR - https://vinar.vin.bg.ac.rs/handle/123456789/4623 AB - The inclusive and dijet production cross-sections have been measured for jets containing b-hadrons (b-jets) in proton-proton collisions at a centre-of-mass energy of root s = 7 TeV, using the ATLAS detector at the LHC. The measurements use data corresponding to an integrated luminosity of 34 pb(-1). The b-jets are identified using either a lifetime-based method, where secondary decay vertices of b-hadrons in jets are reconstructed using information from the tracking detectors, or a muon-based method where the presence of a muon is used to identify semileptonic decays of b-hadrons inside jets. The inclusive b-jet cross-section is measured as a function of transverse momentum in the range 20 LT p(T) LT 400 GeV and rapidity in the range vertical bar y vertical bar LT 2.1. The b LT (b)over bar GT -dijet cross-section is measured as a function of the dijet invariant mass in the range 110 LT m(jj) LT 760 GeV, the azimuthal angle difference between the two jets and the angular variable chi in two dijet mass regions. The results are compared with next-to-leading-order QCD predictions. Good agreement is observed between the measured cross-sections and the predictions obtained using POWHEG + Pythia. MC"NLO + Herwig shows good agreement with the measured b (b) over bar -dijet cross-section. However, it does not reproduce the measured inclusive cross-section well, particularly for central b-jets with large transverse momenta. T2 - European Physical Journal C. Particles and Fields T1 - Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector VL - 71 IS - 12 DO - 10.1140/epjc/s10052-011-1846-4 ER -
@article{ author = "Aad, G. and Borjanović, Iris and Božović-Jelisavčić, Ivanka and Agatonović-Jovin, Tatjana and Krstić, Jelena and Mamužić, Judita and Mudrinić, Mihajlo and Popović, D. S. and Reljić, D. and Sijacki, Dj. and Simić, Lj. and Vranješ, Nenad and Vranješ Milosavljević, Marija and Živković, Lada", year = "2011", abstract = "The inclusive and dijet production cross-sections have been measured for jets containing b-hadrons (b-jets) in proton-proton collisions at a centre-of-mass energy of root s = 7 TeV, using the ATLAS detector at the LHC. The measurements use data corresponding to an integrated luminosity of 34 pb(-1). The b-jets are identified using either a lifetime-based method, where secondary decay vertices of b-hadrons in jets are reconstructed using information from the tracking detectors, or a muon-based method where the presence of a muon is used to identify semileptonic decays of b-hadrons inside jets. The inclusive b-jet cross-section is measured as a function of transverse momentum in the range 20 LT p(T) LT 400 GeV and rapidity in the range vertical bar y vertical bar LT 2.1. The b LT (b)over bar GT -dijet cross-section is measured as a function of the dijet invariant mass in the range 110 LT m(jj) LT 760 GeV, the azimuthal angle difference between the two jets and the angular variable chi in two dijet mass regions. The results are compared with next-to-leading-order QCD predictions. Good agreement is observed between the measured cross-sections and the predictions obtained using POWHEG + Pythia. MC"NLO + Herwig shows good agreement with the measured b (b) over bar -dijet cross-section. However, it does not reproduce the measured inclusive cross-section well, particularly for central b-jets with large transverse momenta.", journal = "European Physical Journal C. Particles and Fields", title = "Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector", volume = "71", number = "12", doi = "10.1140/epjc/s10052-011-1846-4" }
Aad, G., Borjanović, I., Božović-Jelisavčić, I., Agatonović-Jovin, T., Krstić, J., Mamužić, J., Mudrinić, M., Popović, D. S., Reljić, D., Sijacki, Dj., Simić, Lj., Vranješ, N., Vranješ Milosavljević, M.,& Živković, L.. (2011). Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector. in European Physical Journal C. Particles and Fields, 71(12). https://doi.org/10.1140/epjc/s10052-011-1846-4
Aad G, Borjanović I, Božović-Jelisavčić I, Agatonović-Jovin T, Krstić J, Mamužić J, Mudrinić M, Popović DS, Reljić D, Sijacki D, Simić L, Vranješ N, Vranješ Milosavljević M, Živković L. Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector. in European Physical Journal C. Particles and Fields. 2011;71(12). doi:10.1140/epjc/s10052-011-1846-4 .
Aad, G., Borjanović, Iris, Božović-Jelisavčić, Ivanka, Agatonović-Jovin, Tatjana, Krstić, Jelena, Mamužić, Judita, Mudrinić, Mihajlo, Popović, D. S., Reljić, D., Sijacki, Dj., Simić, Lj., Vranješ, Nenad, Vranješ Milosavljević, Marija, Živković, Lada, "Measurement of the inclusive and dijet cross-sections of b-jets in pp collisions at root s=7 TeV with the ATLAS detector" in European Physical Journal C. Particles and Fields, 71, no. 12 (2011), https://doi.org/10.1140/epjc/s10052-011-1846-4 . .