TY  - JOUR
AU  - Aaboud, M.
AU  - Aad, G.
AU  - Abbott, B
AU  - Abbott, D C
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Devetak, Damir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
AU  - Milošević, Jovan
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8210
AB  - This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at s = 7 and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb−1 at s = 7 TeV and 12.2 to 20.3 fb−1 at s = 8 TeV. These combinations are performed per centre-of-mass energy and for each production mode: t-channel, tW, and s-channel. The combined t-channel cross-sections are 67.5 ± 5.7 pb and 87.7 ± 5.8 pb at s = 7 and 8 TeV respectively. The combined tW cross-sections are 16.3 ± 4.1 pb and 23.1 ± 3.6 pb at s = 7 and 8 TeV respectively. For the s-channel cross-section, the combination yields 4.9 ± 1.4 pb at s = 8 TeV. The square of the magnitude of the CKM matrix element Vtb multiplied by a form factor fLV is determined for each production mode and centre-of-mass energy, using the ratio of the measured cross-section to its theoretical prediction. It is assumed that the top-quark-related CKM matrix elements obey the relation |Vtd|, |Vts| ≪ |Vtb|. All the |fLVVtb|2 determinations, extracted from individual ratios at s = 7 and 8 TeV, are combined, resulting in |fLVVtb| = 1.02 ± 0.04 (meas.) ± 0.02 (theo.). All combined measurements are consistent with their corresponding Standard Model predictions.[Figure not available: see fulltext.]. © 2019, The Author(s).
T2  - Journal of High Energy Physics
T1  - Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experiments
VL  - 2019
IS  - 5
DO  - 10.1007/JHEP05(2019)088
ER  - 

@article{
author = "Aaboud, M. and Aad, G. and Abbott, B and Abbott, D C and Adžić, Petar and Ćirković, Predrag and Devetak, Damir and Đorđević, Miloš and Milenović, Predrag and Milošević, Jovan",
year = "2019",
abstract = "This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at s = 7 and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb−1 at s = 7 TeV and 12.2 to 20.3 fb−1 at s = 8 TeV. These combinations are performed per centre-of-mass energy and for each production mode: t-channel, tW, and s-channel. The combined t-channel cross-sections are 67.5 ± 5.7 pb and 87.7 ± 5.8 pb at s = 7 and 8 TeV respectively. The combined tW cross-sections are 16.3 ± 4.1 pb and 23.1 ± 3.6 pb at s = 7 and 8 TeV respectively. For the s-channel cross-section, the combination yields 4.9 ± 1.4 pb at s = 8 TeV. The square of the magnitude of the CKM matrix element Vtb multiplied by a form factor fLV is determined for each production mode and centre-of-mass energy, using the ratio of the measured cross-section to its theoretical prediction. It is assumed that the top-quark-related CKM matrix elements obey the relation |Vtd|, |Vts| ≪ |Vtb|. All the |fLVVtb|2 determinations, extracted from individual ratios at s = 7 and 8 TeV, are combined, resulting in |fLVVtb| = 1.02 ± 0.04 (meas.) ± 0.02 (theo.). All combined measurements are consistent with their corresponding Standard Model predictions.[Figure not available: see fulltext.]. © 2019, The Author(s).",
journal = "Journal of High Energy Physics",
title = "Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experiments",
volume = "2019",
number = "5",
doi = "10.1007/JHEP05(2019)088"
}

Aaboud, M., Aad, G., Abbott, B., Abbott, D. C., Adžić, P., Ćirković, P., Devetak, D., Đorđević, M., Milenović, P.,& Milošević, J.. (2019). Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experiments. in Journal of High Energy Physics, 2019(5).
https://doi.org/10.1007/JHEP05(2019)088

Aaboud M, Aad G, Abbott B, Abbott DC, Adžić P, Ćirković P, Devetak D, Đorđević M, Milenović P, Milošević J. Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experiments. in Journal of High Energy Physics. 2019;2019(5).
doi:10.1007/JHEP05(2019)088 .

Aaboud, M., Aad, G., Abbott, B, Abbott, D C, Adžić, Petar, Ćirković, Predrag, Devetak, Damir, Đorđević, Miloš, Milenović, Predrag, Milošević, Jovan, "Combinations of single-top-quark production cross-section measurements and |f LV Vtb| determinations at √s = 7 and 8 TeV with the ATLAS and CMS experiments" in Journal of High Energy Physics, 2019, no. 5 (2019),
https://doi.org/10.1007/JHEP05(2019)088 . .

TY  - JOUR
AU  - Aaboud, M.
AU  - Aad, G.
AU  - Abbott, B.
AU  - Agatonović-Jovin, Tatjana
AU  - Dimitrievska, A.
AU  - Krstic, J.
AU  - Sijacki, Dj.
AU  - Simic, Lj.
AU  - Vranjes, N.
AU  - Vranjes Milosavljevic, M.
AU  - Živković, L.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11770
AB  - A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state is described. The search uses 36.1 fb−1 of proton–proton collision data at s=13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with a local (global) significance of 3.3 (2.1) σ. The results are presented in terms of constraints on a simplified model with a heavy vector triplet. Upper limits are set on the production cross-section times branching ratio for resonances decaying to a W (Z) boson and a Higgs boson, itself decaying to bb¯, in the mass range between 1.1 and 3.8 TeV at 95% confidence level; the limits range between 83 and 1.6 fb (77 and 1.1 fb) at 95% confidence level.
T2  - Physics Letters B
T1  - Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector
VL  - 774
SP  - 494
EP  - 515
DO  - 10.1016/j.physletb.2017.09.066
ER  - 

@article{
author = "Aaboud, M. and Aad, G. and Abbott, B. and Agatonović-Jovin, Tatjana and Dimitrievska, A. and Krstic, J. and Sijacki, Dj. and Simic, Lj. and Vranjes, N. and Vranjes Milosavljevic, M. and Živković, L.",
year = "2017",
abstract = "A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state is described. The search uses 36.1 fb−1 of proton–proton collision data at s=13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with a local (global) significance of 3.3 (2.1) σ. The results are presented in terms of constraints on a simplified model with a heavy vector triplet. Upper limits are set on the production cross-section times branching ratio for resonances decaying to a W (Z) boson and a Higgs boson, itself decaying to bb¯, in the mass range between 1.1 and 3.8 TeV at 95% confidence level; the limits range between 83 and 1.6 fb (77 and 1.1 fb) at 95% confidence level.",
journal = "Physics Letters B",
title = "Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector",
volume = "774",
pages = "494-515",
doi = "10.1016/j.physletb.2017.09.066"
}

Aaboud, M., Aad, G., Abbott, B., Agatonović-Jovin, T., Dimitrievska, A., Krstic, J., Sijacki, Dj., Simic, Lj., Vranjes, N., Vranjes Milosavljevic, M.,& Živković, L.. (2017). Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector. in Physics Letters B, 774, 494-515.
https://doi.org/10.1016/j.physletb.2017.09.066

Aaboud M, Aad G, Abbott B, Agatonović-Jovin T, Dimitrievska A, Krstic J, Sijacki D, Simic L, Vranjes N, Vranjes Milosavljevic M, Živković L. Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector. in Physics Letters B. 2017;774:494-515.
doi:10.1016/j.physletb.2017.09.066 .

Aaboud, M., Aad, G., Abbott, B., Agatonović-Jovin, Tatjana, Dimitrievska, A., Krstic, J., Sijacki, Dj., Simic, Lj., Vranjes, N., Vranjes Milosavljevic, M., Živković, L., "Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the qq¯(′)bb¯ final state in pp collisions at √s = 13 TeV with the ATLAS detector" in Physics Letters B, 774 (2017):494-515,
https://doi.org/10.1016/j.physletb.2017.09.066 . .

TY  - JOUR
AU  - Aaboud, M.
AU  - Aad, G.
AU  - Abbott, B.
AU  - Agatonović-Jovin, Tatjana
AU  - Bokan, P.
AU  - Dimitrievska, A.
AU  - Krstic, J.
AU  - Marjanovic, M.
AU  - Sijacki, Dj.
AU  - Simic, Lj.
AU  - Vranjes, N.
AU  - Milosavljevic, M.
AU  - Živković, L.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11768
AB  - Measurements of top quark spin observables in tt events are presented based on 20.2 fb(-1) of root s = 8TeV proton-proton collisions recorded with the ATLAS detector at the LHC. The analysis is performed in the dilepton final state, characterised by the presence of two isolated leptons ( electrons or muons). There are 15 observables, each sensitive to a different coefficient of the spin density matrix of tt production, which are measured independently. Ten of these observables are measured for the first time. All of them are corrected for detector resolution and acceptance effects back to the parton and stable-particle levels. The measured values of the observables at parton level are compared to Standard Model predictions at next-to-leading order in QCD. The corrected distributions at stable-particle level are presented and the means of the distributions are compared to Monte Carlo predictions. No significant deviation from the Standard Model is observed for any observable.
T2  - Journal of High Energy Physics
T1  - Measurements of top quark spin observables in tt events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector
VL  - 2017
IS  - 3
SP  - 113
DO  - 10.1007/JHEP03(2017)113
ER  - 

@article{
author = "Aaboud, M. and Aad, G. and Abbott, B. and Agatonović-Jovin, Tatjana and Bokan, P. and Dimitrievska, A. and Krstic, J. and Marjanovic, M. and Sijacki, Dj. and Simic, Lj. and Vranjes, N. and Milosavljevic, M. and Živković, L.",
year = "2017",
abstract = "Measurements of top quark spin observables in tt events are presented based on 20.2 fb(-1) of root s = 8TeV proton-proton collisions recorded with the ATLAS detector at the LHC. The analysis is performed in the dilepton final state, characterised by the presence of two isolated leptons ( electrons or muons). There are 15 observables, each sensitive to a different coefficient of the spin density matrix of tt production, which are measured independently. Ten of these observables are measured for the first time. All of them are corrected for detector resolution and acceptance effects back to the parton and stable-particle levels. The measured values of the observables at parton level are compared to Standard Model predictions at next-to-leading order in QCD. The corrected distributions at stable-particle level are presented and the means of the distributions are compared to Monte Carlo predictions. No significant deviation from the Standard Model is observed for any observable.",
journal = "Journal of High Energy Physics",
title = "Measurements of top quark spin observables in tt events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector",
volume = "2017",
number = "3",
pages = "113",
doi = "10.1007/JHEP03(2017)113"
}

Aaboud, M., Aad, G., Abbott, B., Agatonović-Jovin, T., Bokan, P., Dimitrievska, A., Krstic, J., Marjanovic, M., Sijacki, Dj., Simic, Lj., Vranjes, N., Milosavljevic, M.,& Živković, L.. (2017). Measurements of top quark spin observables in tt events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector. in Journal of High Energy Physics, 2017(3), 113.
https://doi.org/10.1007/JHEP03(2017)113

Aaboud M, Aad G, Abbott B, Agatonović-Jovin T, Bokan P, Dimitrievska A, Krstic J, Marjanovic M, Sijacki D, Simic L, Vranjes N, Milosavljevic M, Živković L. Measurements of top quark spin observables in tt events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector. in Journal of High Energy Physics. 2017;2017(3):113.
doi:10.1007/JHEP03(2017)113 .

Aaboud, M., Aad, G., Abbott, B., Agatonović-Jovin, Tatjana, Bokan, P., Dimitrievska, A., Krstic, J., Marjanovic, M., Sijacki, Dj., Simic, Lj., Vranjes, N., Milosavljevic, M., Živković, L., "Measurements of top quark spin observables in tt events using dilepton final states in √s=8 TeV pp collisions with the ATLAS detector" in Journal of High Energy Physics, 2017, no. 3 (2017):113,
https://doi.org/10.1007/JHEP03(2017)113 . .

TY  - JOUR
AU  - Aaboud, M.
AU  - Agatonović-Jovin, Tatjana
AU  - Bogavac, D.
AU  - Bokan, P.
AU  - Dimitrievska, A.
AU  - Krstić, Jelena
AU  - Mamužić, Judita
AU  - Marjanović, M.
AU  - Popović, D. S.
AU  - Sijacki, Dj.
AU  - Simić, Lj.
AU  - Vranješ, Nenad
AU  - Vranješ Milosavljević, Marija
AU  - Živković, Lada
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1337
AB  - The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in protonproton collisions with a centre-of-mass energy of root s = 7TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated luminosity of 4.2 fb(-1). The cross section is measured for events with two identified b-jets with a transverse momentum pT GT 20GeV and a minimum separation in the eta-phi plane of Delta R = 0.4. At least one of the jets in the event is required to have p(T) GT 270GeV. The cross section is measured differentially as a function of dijet invariant mass, dijet transverse momentum, boost of the dijet system, and the rapidity difference, azimuthal angle and angular distance between the b-jets. The results are compared to different predictions of leading order and next-to-leading order perturbative quantum chromodynamics matrix elements supplemented with models for parton-showers and hadronization.
T2  - European Physical Journal C. Particles and Fields
T1  - Measurement of the b(b)over-bar dijet cross section in pp collisions at root s=7TeV with the ATLAS detector
VL  - 76
IS  - 12
DO  - 10.1140/epjc/s10052-016-4521-y
ER  - 

@article{
author = "Aaboud, M. and Agatonović-Jovin, Tatjana and Bogavac, D. and Bokan, P. and Dimitrievska, A. and Krstić, Jelena and Mamužić, Judita and Marjanović, M. and Popović, D. S. and Sijacki, Dj. and Simić, Lj. and Vranješ, Nenad and Vranješ Milosavljević, Marija and Živković, Lada",
year = "2016",
abstract = "The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in protonproton collisions with a centre-of-mass energy of root s = 7TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated luminosity of 4.2 fb(-1). The cross section is measured for events with two identified b-jets with a transverse momentum pT GT 20GeV and a minimum separation in the eta-phi plane of Delta R = 0.4. At least one of the jets in the event is required to have p(T) GT 270GeV. The cross section is measured differentially as a function of dijet invariant mass, dijet transverse momentum, boost of the dijet system, and the rapidity difference, azimuthal angle and angular distance between the b-jets. The results are compared to different predictions of leading order and next-to-leading order perturbative quantum chromodynamics matrix elements supplemented with models for parton-showers and hadronization.",
journal = "European Physical Journal C. Particles and Fields",
title = "Measurement of the b(b)over-bar dijet cross section in pp collisions at root s=7TeV with the ATLAS detector",
volume = "76",
number = "12",
doi = "10.1140/epjc/s10052-016-4521-y"
}

Aaboud, M., Agatonović-Jovin, T., Bogavac, D., Bokan, P., Dimitrievska, A., Krstić, J., Mamužić, J., Marjanović, M., Popović, D. S., Sijacki, Dj., Simić, Lj., Vranješ, N., Vranješ Milosavljević, M.,& Živković, L.. (2016). Measurement of the b(b)over-bar dijet cross section in pp collisions at root s=7TeV with the ATLAS detector. in European Physical Journal C. Particles and Fields, 76(12).
https://doi.org/10.1140/epjc/s10052-016-4521-y

Aaboud M, Agatonović-Jovin T, Bogavac D, Bokan P, Dimitrievska A, Krstić J, Mamužić J, Marjanović M, Popović DS, Sijacki D, Simić L, Vranješ N, Vranješ Milosavljević M, Živković L. Measurement of the b(b)over-bar dijet cross section in pp collisions at root s=7TeV with the ATLAS detector. in European Physical Journal C. Particles and Fields. 2016;76(12).
doi:10.1140/epjc/s10052-016-4521-y .

Aaboud, M., Agatonović-Jovin, Tatjana, Bogavac, D., Bokan, P., Dimitrievska, A., Krstić, Jelena, Mamužić, Judita, Marjanović, M., Popović, D. S., Sijacki, Dj., Simić, Lj., Vranješ, Nenad, Vranješ Milosavljević, Marija, Živković, Lada, "Measurement of the b(b)over-bar dijet cross section in pp collisions at root s=7TeV with the ATLAS detector" in European Physical Journal C. Particles and Fields, 76, no. 12 (2016),
https://doi.org/10.1140/epjc/s10052-016-4521-y . .