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Science and Technology Facilities Council [CMS, ST/K001604/1]

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Science and Technology Facilities Council [CMS, ST/K001604/1]

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Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV

Khachatryan, V.; Adžić, Petar; Ekmedzic, M.; Milošević, Jovan; Rekovic, V.; Đorđević, Miloš; Milenović, Predrag

(2015)

TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Ekmedzic, M.
AU  - Milošević, Jovan
AU  - Rekovic, V.
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/455
AB  - A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at root s = 8 TeV with the CMS detector at the LHC. The data set corresponds to an integrated luminosity of 19.7 fb(-1). In a search for narrow resonances that couple to quark-quark, quark-gluon, or gluon-gluon pairs, model-independent upper limits, at 95% confidence level, are obtained on the production cross section of resonances, with masses above 1.2 TeV. When interpreted in the context of specific models the limits exclude string resonances with masses below 5.0 TeV; excited quarks below 3.5 TeV; scalar diquarks below 4.7 TeV; W bosons below 1.9 TeV or between 2.0 and 2.2 TeV; Z bosons below 1.7 TeV; and Randall-Sundrum gravitons below 1.6 TeV. A separate search is conducted for narrow resonances that decay to final states including b quarks. The first exclusion limit is set for excited b quarks, with a lower mass limit between 1.2 and 1.6 TeV depending on their decay properties. Searches are also carried out for wide resonances, assuming for the first time width-to-mass ratios up to 30%, and for quantum black holes with a range of model parameters. The wide resonance search excludes axigluons and colorons with mass below 3.6 TeV, and color-octet scalars with mass below 2.5 TeV. Lower bounds between 5.0 and 6.3 TeV are set on the masses of quantum black holes.
T2  - Physical Review D
T1  - Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV
VL  - 91
IS  - 5
DO  - 10.1103/PhysRevD.91.052009
ER  - 
@article{
author = "Khachatryan, V. and Adžić, Petar and Ekmedzic, M. and Milošević, Jovan and Rekovic, V. and Đorđević, Miloš and Milenović, Predrag",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/455",
abstract = "A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at root s = 8 TeV with the CMS detector at the LHC. The data set corresponds to an integrated luminosity of 19.7 fb(-1). In a search for narrow resonances that couple to quark-quark, quark-gluon, or gluon-gluon pairs, model-independent upper limits, at 95% confidence level, are obtained on the production cross section of resonances, with masses above 1.2 TeV. When interpreted in the context of specific models the limits exclude string resonances with masses below 5.0 TeV; excited quarks below 3.5 TeV; scalar diquarks below 4.7 TeV; W bosons below 1.9 TeV or between 2.0 and 2.2 TeV; Z bosons below 1.7 TeV; and Randall-Sundrum gravitons below 1.6 TeV. A separate search is conducted for narrow resonances that decay to final states including b quarks. The first exclusion limit is set for excited b quarks, with a lower mass limit between 1.2 and 1.6 TeV depending on their decay properties. Searches are also carried out for wide resonances, assuming for the first time width-to-mass ratios up to 30%, and for quantum black holes with a range of model parameters. The wide resonance search excludes axigluons and colorons with mass below 3.6 TeV, and color-octet scalars with mass below 2.5 TeV. Lower bounds between 5.0 and 6.3 TeV are set on the masses of quantum black holes.",
journal = "Physical Review D",
title = "Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV",
volume = "91",
number = "5",
doi = "10.1103/PhysRevD.91.052009"
}
Khachatryan, V., Adžić, P., Ekmedzic, M., Milošević, J., Rekovic, V., Đorđević, M.,& Milenović, P. (2015). Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV.
Physical Review D, 91(5).
https://doi.org/10.1103/PhysRevD.91.052009
Khachatryan V, Adžić P, Ekmedzic M, Milošević J, Rekovic V, Đorđević M, Milenović P. Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV. Physical Review D. 2015;91(5)
Khachatryan V., Adžić Petar, Ekmedzic M., Milošević Jovan, Rekovic V., Đorđević Miloš, Milenović Predrag, "Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV" 91, no. 5 (2015),
https://doi.org/10.1103/PhysRevD.91.052009 .
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165
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138

Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014)

Chatrchyan, S.; Adžić, Petar; Đorđević, Miloš; Ekmedzic, M.; Milošević, Jovan; Milenović, Predrag; Rekovic, V.

(2015)

TY  - BOOK
AU  - Chatrchyan, S.
AU  - Adžić, Petar
AU  - Đorđević, Miloš
AU  - Ekmedzic, M.
AU  - Milošević, Jovan
AU  - Milenović, Predrag
AU  - Rekovic, V.
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/361
T2  - Journal of High Energy Physics
T1  - Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014)
IS  - 1
DO  - 10.1007/JHEP01(2015)014
ER  - 
@book{
author = "Chatrchyan, S. and Adžić, Petar and Đorđević, Miloš and Ekmedzic, M. and Milošević, Jovan and Milenović, Predrag and Rekovic, V.",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/361",
journal = "Journal of High Energy Physics",
title = "Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014)",
number = "1",
doi = "10.1007/JHEP01(2015)014"
}
Chatrchyan, S., Adžić, P., Đorđević, M., Ekmedzic, M., Milošević, J., Milenović, P.,& Rekovic, V. (2015). Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014).
Journal of High Energy Physics(1).
https://doi.org/10.1007/JHEP01(2015)014
Chatrchyan S, Adžić P, Đorđević M, Ekmedzic M, Milošević J, Milenović P, Rekovic V. Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014). Journal of High Energy Physics. 2015;(1)
Chatrchyan S., Adžić Petar, Đorđević Miloš, Ekmedzic M., Milošević Jovan, Milenović Predrag, Rekovic V., "Search for new physics in events with same-sign dileptons and jets in pp collisions at root s = 8 TeV (vol 01, pg 163, 2014)", no. 1 (2015),
https://doi.org/10.1007/JHEP01(2015)014 .
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