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Authors

Publications

Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector

Aad, G.; Borjanovic, I.; Božović-Jelisavčić, Ivanka; Krstić, Jelena; Mamužić, Judita; Popovica, D. S.; Reljic, D.; Sijacki, Dj.; Simic, Lj.; Vranjes, N.; Vranješ Milosavljević, Marija; Živković, Lada; Mudrinić, Mihajlo

(2011)

TY  - JOUR
AU  - Aad, G.
AU  - Borjanovic, I.
AU  - Božović-Jelisavčić, Ivanka
AU  - Krstić, Jelena
AU  - Mamužić, Judita
AU  - Popovica, D. S.
AU  - Reljic, D.
AU  - Sijacki, Dj.
AU  - Simic, Lj.
AU  - Vranjes, N.
AU  - Vranješ Milosavljević, Marija
AU  - Živković, Lada
AU  - Mudrinić, Mihajlo
PY  - 2011
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5028
AB  - An inclusive search is presented for new physics in events with two isolated leptons (e or mu) having the same electric charge. The data are selected from events collected from p p collisions at root s = 7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb(-1). The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, e mu and mu mu channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95% confidence level. A lower limit of 290 GeV is set at 95% confidence level on the mass of fourth generation d-type quarks.
T2  - Journal of High Energy Physics
T1  - Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector
IS  - 10
DO  - 10.1007/JHEP10(2011)107
ER  - 
@article{
author = "Aad, G. and Borjanovic, I. and Božović-Jelisavčić, Ivanka and Krstić, Jelena and Mamužić, Judita and Popovica, D. S. and Reljic, D. and Sijacki, Dj. and Simic, Lj. and Vranjes, N. and Vranješ Milosavljević, Marija and Živković, Lada and Mudrinić, Mihajlo",
year = "2011",
abstract = "An inclusive search is presented for new physics in events with two isolated leptons (e or mu) having the same electric charge. The data are selected from events collected from p p collisions at root s = 7 TeV by the ATLAS detector and correspond to an integrated luminosity of 34 pb(-1). The spectra in dilepton invariant mass, missing transverse momentum and jet multiplicity are presented and compared to Standard Model predictions. In this event sample, no evidence is found for contributions beyond those of the Standard Model. Limits are set on the cross-section in a fiducial region for new sources of same-sign high-mass dilepton events in the ee, e mu and mu mu channels. Four models predicting same-sign dilepton signals are constrained: two descriptions of Majorana neutrinos, a cascade topology similar to supersymmetry or universal extra dimensions, and fourth generation d-type quarks. Assuming a new physics scale of 1 TeV, Majorana neutrinos produced by an effective operator V with masses below 460 GeV are excluded at 95% confidence level. A lower limit of 290 GeV is set at 95% confidence level on the mass of fourth generation d-type quarks.",
journal = "Journal of High Energy Physics",
title = "Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector",
number = "10",
doi = "10.1007/JHEP10(2011)107"
}
Aad, G., Borjanovic, I., Božović-Jelisavčić, I., Krstić, J., Mamužić, J., Popovica, D. S., Reljic, D., Sijacki, Dj., Simic, Lj., Vranjes, N., Vranješ Milosavljević, M., Živković, L.,& Mudrinić, M.. (2011). Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector. in Journal of High Energy Physics(10).
https://doi.org/10.1007/JHEP10(2011)107
Aad G, Borjanovic I, Božović-Jelisavčić I, Krstić J, Mamužić J, Popovica DS, Reljic D, Sijacki D, Simic L, Vranjes N, Vranješ Milosavljević M, Živković L, Mudrinić M. Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector. in Journal of High Energy Physics. 2011;(10).
doi:10.1007/JHEP10(2011)107 .
Aad, G., Borjanovic, I., Božović-Jelisavčić, Ivanka, Krstić, Jelena, Mamužić, Judita, Popovica, D. S., Reljic, D., Sijacki, Dj., Simic, Lj., Vranjes, N., Vranješ Milosavljević, Marija, Živković, Lada, Mudrinić, Mihajlo, "Inclusive search for same-sign dilepton signatures in pp collisions at root s=7 TeV with the ATLAS detector" in Journal of High Energy Physics, no. 10 (2011),
https://doi.org/10.1007/JHEP10(2011)107 . .
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