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BMWFW (Austria), FWF (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN, CAS (China), MoST (China), NSFC (China), COLCIENCIAS (Colombia), MSES (Croatia), CSF (Croatia), RPF (Cyprus), MoER (Estonia), ERC IUT (Estonia), ERDF (Estonia), Academy of Finland, MEC (Finland), HIP (Finland), CEA (France), CNRS/IN2P3 (France), BMBF, Germany, DFG (Germany), HGF (Germany), GSRT (Greece), OTKA (Hungary), NIH (Hungary), DAE (India), DST (India), IPM (Iran), SFI (Ireland), INFN (Italy), MSIP (Republic of Korea), NRF (Republic of Korea), LAS (Lithuania), MOE (Malaysia), UM (Malaysia), CINVESTAV (Mexico), CONACYT (Mexico), SEP (Mexico), UASLP-FAI (Mexico), MBIE (New Zealand), PAEC (Pakistan), MSHE (Poland), NSC (Poland), FCT (Portugal), JINR (Dubna), MON (Russia), RosAtom (Russia), RAS (Russia), RFBR (Russia), MESTD (Serbia), SEIDI (Spain), CPAN (Spain), Swiss Funding Agencies (Switzerland), MST (Taipei), ThEPCenter (Thailand), IPST (Thailand), STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (United Kingdom), DOE (USA), NSF (USA)

Authors

Publications

Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV

Khachatryan, V.; Adžić, Petar; Ćirković, Predrag; Milošević, Jovan; Reković, Vladimir; Đorđević, Miloš; Milenović, Predrag

(2016) 

TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/929
AB  - The top quark pair production cross section is measured for the first time in proton-proton collisions at root s = 13 TeV by the CMS experiment at the CERN LHC, using data corresponding to an integrated luminosity of 43 pb(-1). The measurement is performed by analyzing events with at least one electron and one muon of opposite charge, and at least two jets. The measured cross section is 746 +/- 58(stat) +/- 53(syst) +/- 36(lumi) pb, in agreement with the expectation from the standard model.
T2  - Physical Review Letters
T1  - Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV
VL  - 116
IS  - 5
DO  - 10.1103/PhysRevLett.116.052002
ER  - 
@article{
author = "Khachatryan, V. and Adžić, Petar and Ćirković, Predrag and Milošević, Jovan and Reković, Vladimir and Đorđević, Miloš and Milenović, Predrag",
year = "2016",
abstract = "The top quark pair production cross section is measured for the first time in proton-proton collisions at root s = 13 TeV by the CMS experiment at the CERN LHC, using data corresponding to an integrated luminosity of 43 pb(-1). The measurement is performed by analyzing events with at least one electron and one muon of opposite charge, and at least two jets. The measured cross section is 746 +/- 58(stat) +/- 53(syst) +/- 36(lumi) pb, in agreement with the expectation from the standard model.",
journal = "Physical Review Letters",
title = "Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV",
volume = "116",
number = "5",
doi = "10.1103/PhysRevLett.116.052002"
}
Khachatryan, V., Adžić, P., Ćirković, P., Milošević, J., Reković, V., Đorđević, M.,& Milenović, P.. (2016). Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV. in Physical Review Letters, 116(5).
https://doi.org/10.1103/PhysRevLett.116.052002
Khachatryan V, Adžić P, Ćirković P, Milošević J, Reković V, Đorđević M, Milenović P. Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV. in Physical Review Letters. 2016;116(5).
doi:10.1103/PhysRevLett.116.052002 .
Khachatryan, V., Adžić, Petar, Ćirković, Predrag, Milošević, Jovan, Reković, Vladimir, Đorđević, Miloš, Milenović, Predrag, "Measurement of the Top Quark Pair Production Cross Section in Proton-Proton Collisions at root s=13 TeV" in Physical Review Letters, 116, no. 5 (2016),
https://doi.org/10.1103/PhysRevLett.116.052002 . .
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Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV

Khachatryan, V.; Adžić, Petar; Ekmedžić, Marko; Milošević, Jovan; Reković, Vladimir; Đorđević, Miloš; Milenović, Predrag

(2015) 

TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Ekmedžić, Marko
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/573
AB  - A search is presented for quark contact interactions and extra spatial dimensions in proton-proton collisions at root s = 8 TeV using dijet angular distributions. The search is based on a data set corresponding to an integrated luminosity of 19.7 fb(-1) collected by the CMS detector at the CERN LHC. Dijet angular distributions are found to be in agreement with the perturbative QCD predictions that include electroweak corrections. Limits on the contact interaction scale from a variety of models at next-to-leading order in QCD corrections are obtained. A benchmark model in which only left-handed quarks participate is excluded up to a scale of 9.0 (11.7) TeV for destructive (constructive) interference at 95% confidence level. Lower limits between 5.9 and 8.4 TeV on the scale of virtual graviton exchange are extracted for the Arkani-Hamed-Dimopoulos-Dvali model of extra spatial dimensions. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.
T2  - Physics Letters B
T1  - Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV
VL  - 746
SP  - 79
EP  - 99
DO  - 10.1016/j.physletb.2015.04.042
ER  - 
@article{
author = "Khachatryan, V. and Adžić, Petar and Ekmedžić, Marko and Milošević, Jovan and Reković, Vladimir and Đorđević, Miloš and Milenović, Predrag",
year = "2015",
abstract = "A search is presented for quark contact interactions and extra spatial dimensions in proton-proton collisions at root s = 8 TeV using dijet angular distributions. The search is based on a data set corresponding to an integrated luminosity of 19.7 fb(-1) collected by the CMS detector at the CERN LHC. Dijet angular distributions are found to be in agreement with the perturbative QCD predictions that include electroweak corrections. Limits on the contact interaction scale from a variety of models at next-to-leading order in QCD corrections are obtained. A benchmark model in which only left-handed quarks participate is excluded up to a scale of 9.0 (11.7) TeV for destructive (constructive) interference at 95% confidence level. Lower limits between 5.9 and 8.4 TeV on the scale of virtual graviton exchange are extracted for the Arkani-Hamed-Dimopoulos-Dvali model of extra spatial dimensions. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.",
journal = "Physics Letters B",
title = "Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV",
volume = "746",
pages = "79-99",
doi = "10.1016/j.physletb.2015.04.042"
}
Khachatryan, V., Adžić, P., Ekmedžić, M., Milošević, J., Reković, V., Đorđević, M.,& Milenović, P.. (2015). Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV. in Physics Letters B, 746, 79-99.
https://doi.org/10.1016/j.physletb.2015.04.042
Khachatryan V, Adžić P, Ekmedžić M, Milošević J, Reković V, Đorđević M, Milenović P. Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV. in Physics Letters B. 2015;746:79-99.
doi:10.1016/j.physletb.2015.04.042 .
Khachatryan, V., Adžić, Petar, Ekmedžić, Marko, Milošević, Jovan, Reković, Vladimir, Đorđević, Miloš, Milenović, Predrag, "Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at root s=8 TeV" in Physics Letters B, 746 (2015):79-99,
https://doi.org/10.1016/j.physletb.2015.04.042 . .
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Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV

Khachatryan, V.; Adžić, Petar; Ekmedžić, Marko; Milošević, Jovan; Reković, Vladimir; Đorđević, Miloš; Milenović, Predrag

(2015) 

TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Ekmedžić, Marko
AU  - Milošević, Jovan
AU  - Reković, Vladimir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/542
AB  - The double-differential cross sections of promptly produced J/psi and psi(2S) mesons are measured in pp collisions at root s = 7 TeV, as a function of transverse momentum p(T) and absolute rapidity \y\. The analysis uses J/psi and psi(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminosities of 4.55 and 4.90 fb(-1), respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to p(T) = 120 and 100 GeV for the J/psi and psi(2S), respectively, when integrated over the interval \y\ LT 1.2. The ratio of the psi(2S) to J/psi cross sections is also reported for \y\ LT 1.2, over the range 10 LT p(T) LT 100 GeV. These are the highest p(T) values for which the cross sections and ratio have been measured.
T2  - Physical Review Letters
T1  - Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV
VL  - 114
IS  - 19
DO  - 10.1103/PhysRevLett.114.191802
ER  - 
@article{
author = "Khachatryan, V. and Adžić, Petar and Ekmedžić, Marko and Milošević, Jovan and Reković, Vladimir and Đorđević, Miloš and Milenović, Predrag",
year = "2015",
abstract = "The double-differential cross sections of promptly produced J/psi and psi(2S) mesons are measured in pp collisions at root s = 7 TeV, as a function of transverse momentum p(T) and absolute rapidity \y\. The analysis uses J/psi and psi(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminosities of 4.55 and 4.90 fb(-1), respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to p(T) = 120 and 100 GeV for the J/psi and psi(2S), respectively, when integrated over the interval \y\ LT 1.2. The ratio of the psi(2S) to J/psi cross sections is also reported for \y\ LT 1.2, over the range 10 LT p(T) LT 100 GeV. These are the highest p(T) values for which the cross sections and ratio have been measured.",
journal = "Physical Review Letters",
title = "Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV",
volume = "114",
number = "19",
doi = "10.1103/PhysRevLett.114.191802"
}
Khachatryan, V., Adžić, P., Ekmedžić, M., Milošević, J., Reković, V., Đorđević, M.,& Milenović, P.. (2015). Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV. in Physical Review Letters, 114(19).
https://doi.org/10.1103/PhysRevLett.114.191802
Khachatryan V, Adžić P, Ekmedžić M, Milošević J, Reković V, Đorđević M, Milenović P. Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV. in Physical Review Letters. 2015;114(19).
doi:10.1103/PhysRevLett.114.191802 .
Khachatryan, V., Adžić, Petar, Ekmedžić, Marko, Milošević, Jovan, Reković, Vladimir, Đorđević, Miloš, Milenović, Predrag, "Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV" in Physical Review Letters, 114, no. 19 (2015),
https://doi.org/10.1103/PhysRevLett.114.191802 . .
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