Search for resonances in events with photon and jet final states in proton-proton collisions at $\sqrt{s}$= 13 TeV

The CMS collaboration
JHEP 12 (2023) 189, 2023.

Abstract (data abstract)
A search for resonances in the γ+jet final state has been performed using proton- proton collision data collected at √s = 13 TeV by the CMS experiment at the LHC. The total data analyzed correspond to an integrated luminosity of 138 fb−1. Mod- els of excited quarks, including heavy-flavor quarks, and quantum black holes are considered. The invariant mass spectrum of the γ+jet system is examined for the presence of resonances over the standard model continuum background. The data exhibit no statistically significant deviations from the expected standard model back- ground. Exclusion limits at 95% confidence level on the resonance mass and other parameters are set. Excited (heavy-flavor) quarks are excluded up to a mass of 6.0 (2.2) TeV. Quantum black hole production is excluded for masses up to 7.5 (5.2) TeV in the Arkani-Hamed–Dimopoulos–Dvali (Randall–Sundrum) models.

  • fig2 for signal q* XS values

    Data from Figure 2

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    The signal cross-sections values of the signals q* with coupling mupltiplier f =1.0 and f = 0.5, as a function...

  • fig2 for signal b* XS values

    Data from Figure 2

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    The signal cross-sections values of the signals b* with coupling mupltiplier f =1.0 and f = 0.5, as a function...

  • fig2 for signal QBH ADD XS values

    Data from Figure 2

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    The signal cross-sections values of the signal QBH ADD with n=6 extra dimensions, as a function of threshold mass

  • fig2 for signal QBH RS1 XS values

    Data from Figure 2

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    The signal cross-sections values of the signal QBH RS1 with n=1 extra dimensions, as a function of threshold mass

  • Figure 4b for ADD

    Data from Figure 4b

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    The product of acceptance and selection efficiency for QBH ADD model, as a function of threshold mass of the signal.

  • Figure 4b for RS1

    Data from Figure 4b for RS1 signal

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    The product of acceptance and selection efficiency for QBH RS1 models, as a function of threshold mass of the signal.

  • Figure 4a for q*

    Data from Figure 4a

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    The product of acceptance and selection efficiency for q* signal, as a function of resonance mass

  • Figure 4a for b*

    Data from Figure 4b for b* signal

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    The product of acceptance and selection efficiency for b* signal, as a function of resonance mass of the signal.

  • Data from Figure 3

    Figure 3

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    Distributions of the γ+jet invariant mass generated from various signal samples for reconstructed mass 4 TeV

  • Data from Figure 5

    Data from Figure 5

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    Fitting distribution of data with expected q*, and QBH signal events, and fit parameters p0= 3.05674e+00, p1 = 10.5343, p3...

  • Data from Figure 6a

    Data from Figure 6a

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    Fitting distribution of data with expected b* events, and fit parameters p0= 1.45055e+03, p1 = 2.04830e+01, p3 = -4.16760e-01 and...

  • Data from Figure 6b

    Data from Figure 6b

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    Fitting distribution of data with expected b* events for 0btag category, and fit parameters p0= 2.44120e+00, p1 = 1.08886e+01, p3...

  • Figure 7a

    Data from Figure 7a.

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    Exclusion limits on the product of cross section and branching fraction for q* signal coupling f = 1.0, as a...

  • Figure 7a theory XS

    Data from Figure 7a theory cross-section

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    Theoretical cross-section of q* signal for coupling multiplier f =1.0

  • Figure 7b

    Data from Figure 7b.

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    Exclusion limits on the product of cross section and branching fraction for the q* signal coupling f = 0.5, as...

  • Figure 7b theory XS

    Data from Figure 7b theory cross-section

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    Theoretical cross-section of q* signal for coupling multiplier f =0.5

  • Figure 7c

    Data from Figure 7c.

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    Exclusion limits on the product of cross section and branching fraction for q* coupling f = 0.1, as a function...

  • Figure 7c theory XS

    Data from Figure 7c theory cross-section

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    Theoretical cross-section of q* signal for coupling multiplier f =0.1

  • Figure 8a

    Data from Figure 8a.

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    Exclusion limits on the product of cross section and branching fraction for b* signal coupling f = 1.0, as a...

  • Figure 8a theory XS

    Data from Figure 8a theory cross-section

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    Theoretical cross-section of b* signal for coupling multiplier f =1.0

  • Figure 8b

    Data from Figure 8b.

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    Exclusion limits on the product of cross section and branching fraction for b* signal coupling f = 0.5, as a...

  • Figure 8b theory XS

    Data from Figure 8b theory cross-section

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    Theoretical cross-section of b* signal for coupling multiplier f =0.5

  • Figure 8c

    Data from Figure 8c.

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    Exclusion limits on the product of cross section and branching fraction for b* signal coupling f = 0.1, as a...

  • Figure 8c theory XS

    Data from Figure 8c theory cross-section

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    Theoretical cross-section of b* signal for coupling multiplier f =0.1

  • Figure 9a

    Data from Figure 9a.

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    Exclusion limits on the product of cross section and branching fraction for QBH ADD signal, as a function of the...

  • Figure 9a theory XS

    Data from Figure 9a theory cross-section

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    Theoretical cross-section of ADD signal

  • Figure 9b

    Data from Figure 9b.

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    Exclusion limits on the product of cross section and branching fraction for QBH RS1 signal, as a function of the...

  • Figure 9b theory XS

    Data from Figure 9b theory cross-section

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    Theoretical cross-section of RS1 signal

  • Figure 10 for q* RunII results

    Data from Figure 10

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    The expected and observed exclusion mass limits for q* and b* signals, as a function coupling multiplier

  • Figure 10 for b* signal RunII results

    Data from Figure 10 for b* signal

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    The observed exclusion mass limits for b* signal, as a function of threshold mass of the signal.

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