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Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at $\sqrt{s} =$ 8 TeV

The collaboration
Phys.Rev. D91 (2015) 052009, 2015

Abstract (data abstract)
A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at $\sqrt{s}$=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.

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Data from Figure 2

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Inclusive dijet mass spectrum from wide jets (points) compared to a fit (solid curve) and to predictions including detector simulation...

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Data from Table 1

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Observed 95% CL upper limits on $\sigma B A$ for narrow qq, qg, and gg resonances, from the inclusive analysis...

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Data from Table 2

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Observed 95% CL upper limits on $\sigma B A$ for narrow gg/bb, qq/bb, and bg resonances from the b-enriched analysis,...

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Data from Table 3

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Observed and expected 95% CL exclusions on the mass of various resonances. Systematic uncertainties are taken into account. For excited...

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Data from Table 4

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Observed 95% CL upper limits on $\sigma B A$ as a function of resonance mass for several values of the...

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Data from Table 4

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Observed 95% CL upper limits on $\sigma B A$ as a function of resonance mass for several values of the...

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Data from Table 5

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Observed 95% CL upper limits on $\sigma B A$ for QBHs from the inclusive analysis. These limits are valid for...

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Data from Table 6

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Observed 95% CL lower limits on ${M_{QBH}}^{min}$ for different numbers of extra dimensions n and several values of M$_{D}$.

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Data from Table 7

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Correction factors defined as the ratio of the full cross section obtained from Eqs. (5)-(7) to the cross section from...

• #### Table 10

Data from Table 7

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Correction factors defined as the ratio of the full cross section obtained from Eqs. (5)-(7) to the cross section from...