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Authors

Publications

Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy

Chatrchyan, S.; Adžić, Petar; Đorđević, Miloš; Krpic, D.; Milošević, Jovan; Milenović, Predrag; Rekovic, V.

(2011)

TY  - JOUR
AU  - Chatrchyan, S.
AU  - Adžić, Petar
AU  - Đorđević, Miloš
AU  - Krpic, D.
AU  - Milošević, Jovan
AU  - Milenović, Predrag
AU  - Rekovic, V.
PY  - 2011
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/4322
AB  - A search for supersymmetry in the context of general gauge-mediated breaking with the lightest neutralino as the next-to-lightest supersymmetric particle and the gravitino as the lightest is presented. The data sample corresponds to an integrated luminosity of 36 pb(-1) recorded by the CMS experiment at the LHC. The search is performed by using events containing two or more isolated photons, at least one hadronic jet, and significant missing transverse energy. No excess of events at high missing transverse energy is observed. Upper limits on the signal cross section for general gauge-mediated supersymmetry between 0.3 and 1.1 pb at the 95% confidence level are determined for a range of squark, gluino, and neutralino masses, excluding supersymmetry parameter space that was inaccessible to previous experiments.
T2  - Physical Review Letters
T1  - Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy
VL  - 106
IS  - 21
DO  - 10.1103/PhysRevLett.106.211802
ER  - 
@article{
author = "Chatrchyan, S. and Adžić, Petar and Đorđević, Miloš and Krpic, D. and Milošević, Jovan and Milenović, Predrag and Rekovic, V.",
year = "2011",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/4322",
abstract = "A search for supersymmetry in the context of general gauge-mediated breaking with the lightest neutralino as the next-to-lightest supersymmetric particle and the gravitino as the lightest is presented. The data sample corresponds to an integrated luminosity of 36 pb(-1) recorded by the CMS experiment at the LHC. The search is performed by using events containing two or more isolated photons, at least one hadronic jet, and significant missing transverse energy. No excess of events at high missing transverse energy is observed. Upper limits on the signal cross section for general gauge-mediated supersymmetry between 0.3 and 1.1 pb at the 95% confidence level are determined for a range of squark, gluino, and neutralino masses, excluding supersymmetry parameter space that was inaccessible to previous experiments.",
journal = "Physical Review Letters",
title = "Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy",
volume = "106",
number = "21",
doi = "10.1103/PhysRevLett.106.211802"
}
Chatrchyan, S., Adžić, P., Đorđević, M., Krpic, D., Milošević, J., Milenović, P.,& Rekovic, V. (2011). Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy.
Physical Review Letters, 106(21).
https://doi.org/10.1103/PhysRevLett.106.211802
Chatrchyan S, Adžić P, Đorđević M, Krpic D, Milošević J, Milenović P, Rekovic V. Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy. Physical Review Letters. 2011;106(21)
Chatrchyan S., Adžić Petar, Đorđević Miloš, Krpic D., Milošević Jovan, Milenović Predrag, Rekovic V., "Search for Supersymmetry in pp Collisions at root s=7 TeV in Events with Two Photons and Missing Transverse Energy" Physical Review Letters, 106, no. 21 (2011),
https://doi.org/10.1103/PhysRevLett.106.211802 .
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Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV

Chatrchyan, S.; Adžić, Petar; Đorđević, Miloš; Krpic, D.; Milošević, Jovan; Milenović, Predrag; Rekovic, V.

(2011)

TY  - JOUR
AU  - Chatrchyan, S.
AU  - Adžić, Petar
AU  - Đorđević, Miloš
AU  - Krpic, D.
AU  - Milošević, Jovan
AU  - Milenović, Predrag
AU  - Rekovic, V.
PY  - 2011
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/4323
AB  - A search for Z bosons in the mu(+)mu(-) decay channel has been performed in PbPb collisions at root s(NN) = 2.76 TeV with the CMS detector at the LHC, in a 7.2 mu b(-1) data sample. The number of opposite-sign muon pairs observed in the 60-120 GeV/c(2) invariant mass range is 39, corresponding to a yield per unit of rapidity (y) and per minimum bias event of [33.8 +/- 5.5(stat) +/- 4.4(syst)] x 10(-8), in the vertical bar y vertical bar LT 2.0 range. Rapidity, transverse momentum, and centrality dependencies are also measured. The results agree with next-to-leading order QCD calculations, scaled by the number of incoherent nucleon-nucleon collisions.
T2  - Physical Review Letters
T1  - Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV
VL  - 106
IS  - 21
DO  - 10.1103/PhysRevLett.106.212301
ER  - 
@article{
author = "Chatrchyan, S. and Adžić, Petar and Đorđević, Miloš and Krpic, D. and Milošević, Jovan and Milenović, Predrag and Rekovic, V.",
year = "2011",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/4323",
abstract = "A search for Z bosons in the mu(+)mu(-) decay channel has been performed in PbPb collisions at root s(NN) = 2.76 TeV with the CMS detector at the LHC, in a 7.2 mu b(-1) data sample. The number of opposite-sign muon pairs observed in the 60-120 GeV/c(2) invariant mass range is 39, corresponding to a yield per unit of rapidity (y) and per minimum bias event of [33.8 +/- 5.5(stat) +/- 4.4(syst)] x 10(-8), in the vertical bar y vertical bar LT 2.0 range. Rapidity, transverse momentum, and centrality dependencies are also measured. The results agree with next-to-leading order QCD calculations, scaled by the number of incoherent nucleon-nucleon collisions.",
journal = "Physical Review Letters",
title = "Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV",
volume = "106",
number = "21",
doi = "10.1103/PhysRevLett.106.212301"
}
Chatrchyan, S., Adžić, P., Đorđević, M., Krpic, D., Milošević, J., Milenović, P.,& Rekovic, V. (2011). Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV.
Physical Review Letters, 106(21).
https://doi.org/10.1103/PhysRevLett.106.212301
Chatrchyan S, Adžić P, Đorđević M, Krpic D, Milošević J, Milenović P, Rekovic V. Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV. Physical Review Letters. 2011;106(21)
Chatrchyan S., Adžić Petar, Đorđević Miloš, Krpic D., Milošević Jovan, Milenović Predrag, Rekovic V., "Study of Z Boson Production in PbPb Collisions at root s(NN)=2.76 TeV" Physical Review Letters, 106, no. 21 (2011),
https://doi.org/10.1103/PhysRevLett.106.212301 .
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