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CERN Document Server Намерени са 2,031 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.33 секунди. 
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CMS Measurements of a New Boson in the Gamma Gamma Channel / Palmer, Christopher Allan (UC, San Diego) /CMS Collaboration
CMS reports on the recently updated, preliminary results with the full datasets of 2011 and 2012 in the analysis of the Higgs-like Boson at 125 GeV. Utilizing 5.1$fb^{-1}$ of 7 TeV data and 19.6$fb^{-1}$ of 8 TeV data, a signal strength of $0.78^{+0.28}_{-0.26}$ times the Standard Model (SM) expectations with a mass of $125.4\pm0.8$ GeV is observed. [...]
CMS-CR-2013-112.- Geneva : CERN, 2013 - 6 p. Fulltext: PDF;
In : Workshop on high energy physics in the near future, Rio De Janeiro, Brazil, 17 - 24 Mar 2013
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CMS Measurements of the Higgs-like Boson In the Two Photon Decay Channel / Palmer, Christopher (UC, San Diego)
CMS reports on the recently updated, preliminary results with the full datasets of 2011 and 2012 in the analysis of the Higgs-like Boson at 125 GeV. [...]
arXiv:1305.3654. - 2013. - 5 p.
Preprint - Full text
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Evidence of the Higgs Boson decay into two photons / Berry, Douglas
A search for the standard model Higgs boson decaying to two photons will be presented [...]
CERN-THESIS-2013-134 - 310 p.

Fulltext
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Updated measurements of the Higgs boson at 125 GeV in the two photon decay channel /CMS Collaboration
Results are reported from a search for the Standard Model Higgs boson in the two photon channel in the mass range $110 < m_H < 150$ GeV, using the full dataset recorded by the CMS experiment at the LHC from pp collisions at centre-of-mass energies of 7 and 8 TeV. The most sensitive, MVA, analysis observes an excess of events at a mass of 125 GeV, with a local significance of 3.2$\sigma$ (standard deviations), where a local significance of 4.2$\sigma$ is expected from a standard model Higgs boson. [...]
CMS-PAS-HIG-13-001.- Geneva : CERN, 2013 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_003-e: PDF; Figure_003-f: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012: PDF; Fulltext in PDF: PDF;
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Search for SM Higgs decaying to ZZ to four leptons at CMS / Klute, Markus (MIT) /for the CMS Collaboration
A search for the Higgs boson in the H $\rightarrow$ ZZ four-lepton decay channel, with each Z boson decaying to electrons or muons is presented. The dataset was recorded by the CMS detector at the LHC, corresponding to an integrated luminosity of 10.2 $\mathrm{fb}^{-1}$, 5.1 $\mathrm{fb}^{-1}$ of data taken at 7 TeV center-of-mass energy and 5.2 $\mathrm{fb}^{-1}$ at 8 TeV. The search covers Higgs boson mass hypotheses in the range $110 < m_{\mathrm H} < 600$ GeV. An excess of events is observed in the low $m_{4\ell}$ mass range with mass around 126 GeV. [...]
CMS-CR-2012-345.- Geneva : CERN, 2012 - 7 p. Fulltext: PDF;
In : 36th International Conference on High Energy Physics, Melbourne, Australia, 4 - 11 Jul 2012
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Evidence for a new state in the search for the standard model Higgs boson in the H to ZZ to 4 leptons channel in pp collisions at sqrt(s) = 7 and 8 TeV /CMS Collaboration
A search for the Higgs boson in the H $\rightarrow$ ZZ four-lepton decay channel, with each Z boson decaying to an electron, a muon, or a tau pair, is reported. The search covers Higgs boson mass hypotheses in the range $110 < m_H < 600$ GeV. The analysis uses pp collision data recorded by the CMS detector at the LHC, corresponding to integrated luminosities of 5.05 ${\rm fb}^{-1}$ at $\sqrt{s}$ = 7 TeV and 5.26 ${\rm fb}^{-1}$ at $\sqrt{s}$ = 8\TeV. The four-lepton invariant-mass distributions for $m_{4\ell}$ and $m_{2\ell 2\tau}$ are found to be consistent with the standard model expectations for background ZZ production for invariant masses above 180 GeV. Upper limits at 95\% confidence level exclude the standard model Higgs boson in the range 131--162 and 172--525 GeV, while the expected exclusion range is 121--570 GeV. An excess of events is observed in the low $m_{4\ell}$ mass range, making the observed limits weaker than expected in the absence of a signal. These events cluster around a mass $m_{4\ell} \simeq 125.5$ GeV, giving rise to a local excess with respect to the background expectation, with a significance of $3.2\sigma$. [...]
CMS-PAS-HIG-12-016.- Geneva : CERN, 2012 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Fulltext in PDF: PDF;
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Observation and Measurement of the Higgs-like Boson at 125 GEV in the Two-Photon Decay Channel with the CMS Experiment / Quan, Xiaohang
We present results for the search for the Standard Model Higgs boson in the twophoton channel using the full 2011+2012 dataset recorded by the CMS experiment at the LHC [...]
CERN-THESIS-2013-457. - 93 p.

Princeton U. server - Fulltext - Full text
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Observation of a new boson with a mass near 125 GeV /CMS Collaboration
Combined results are presented from searches for the standard model (SM) Higgs boson in proton-proton collisions at $\sqrt{s}=7$~and~8~TeV in five decay modes: $\gamma\gamma$, $\mathrm{bb}$, $\tau\tau$, $\mathrm{WW}$, and $\mathrm{ZZ}$. The analysed data correspond to integrated luminosities of up to 5.1~fb$^{-1}$ at 7~TeV and 5.3~fb$^{-1}$ at 8~TeV. The data exclude the existence of a SM Higgs boson in the ranges 110--122.5 and 127--600~GeV at 95\%~confidence level. An excess of events above the expected SM background is observed with a local significance of $4.9 \sigma$ around 125~GeV, which we attribute to the production of a previously unobserved particle. The evidence is strongest in the two final states with the best mass resolution: the two-photon final state and the final state with two pairs of charged leptons (electrons or muons). [...]
CMS-PAS-HIG-12-020.- Geneva : CERN, 2012 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012: PDF; Fulltext in PDF: PDF;
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SM Higgs searches by CMS at the LHC / Kirsanov, Mikhail (Dubna, JINR) /CMS Collaboration
Results are presented from searches for the standard model (SM) Higgs boson in proton-proton collisions at the CM energies of 7 and 8 TeV in five decay modes: $\gamma \gamma$, $ZZ$, $WW$, $\tau \tau$, and $b \bar b$. The analysed data correspond to integrated luminosities of up to 5.1 $fb^{-1}$ at 7 TeV and up to 12.2 $fb^{-1}$ at 8 TeV. [...]
CMS-CR-2013-079.- Geneva : CERN, 2013 - 12 p. Fulltext: PDF;
In : LHC on the March, Protvino, Russia, 16 - 18 Nov 2011
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SM and MSSM $H\rightarrow\tau\tau$ / Schwindt, Thomas (Bonn U.)
After the discovery of a Higgs boson at the LHC in $\gamma\gamma$, $ZZ$ and $WW$ final states in 2012, the ATLAS collaboration also observes an excess of data over the predicted background in $\tau\tau$ final states, which is consistent with the decay of the discovered Higgs boson with $m_H\approx125$ GeV. [...]
ATL-PHYS-PROC-2014-217. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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