Model-independent search for pair production of new bosons decaying into muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV

The CMS collaboration
CMS-HIG-21-004, 2024.

Abstract (data abstract)
This analysis (HIG-21-004 [2017+2018 CMS data]) is an extenstion to the search (HIG-18-003 [2016 data]) for new light bosons decaying into muon pairs using data sample corresponding to an integrated luminosity of 35.9 fb^{−1}. This analysis HIG-21-004 [2017+2018 CMS data] - explores a larger parameter space, dimuon mass from 0.21-60 GeV (was from 0.25-8.5 GeV for HIG-18-003 [2016 data]), with 0 < cτ < 100 mm. - increases luminosity to 60–137 fb^{−1} (was 36 fb^{−1} for HIG-18-003 [2016 data]). - covers a range of 10E−2 > ε > 10E−8 for kinetic mixing in the dark sector, which is complementary to others (EXO-20-014 and EXO-21-006, 10E−5 > ε > 10E−9). - expanded fiducial volume benefit from phase-1 pixel upgrade. - interprets four bench mark models using model-independent limits - Axion-like particle (ALP) - Vector portal - NMSSM - Dark SUSY Analysis strategy of this analysis - Data-driven background (BKG) estimation method - Below Υ; Template method [1] - 1DBKGtemplate; TI(µµ1) and TII(µµ2) - 2DBKGtemplate; TI(µµ1)⊗TII(µµ2) - Above Υ; Gaussian kernel-density estimate (KDE) method

  • Panel 1

    Data from Figure 4A

    10.17182/hepdata.150033.v1/t1

    The model-independent 95\% \CL expected and observed upper limits set on ${\sigma(\PP\to 2\Pa+\PX)\mathcal{B}^2(\Pa\to 2\PGm)\alphaGen}$ over the range $0.21 < \MPa...

  • Panel 2

    Data from Figure 4B

    10.17182/hepdata.150033.v1/t2

    The model-independent 95\% \CL expected and observed upper limits set on ${\sigma(\PP\to 2\Pa+\PX)\mathcal{B}^2(\Pa\to 2\PGm)\alphaGen}$ over the range $0.21 < \MPa...

  • Panel 3

    Data from Figure 4C

    10.17182/hepdata.150033.v1/t3

    The model-independent 95\% \CL expected and observed upper limits set on ${\sigma(\PP\to 2\Pa+\PX)\mathcal{B}^2(\Pa\to 2\PGm)\alphaGen}$ over the range $0.21 < \MPa...

  • Panel 4

    Data from Figure 4D

    10.17182/hepdata.150033.v1/t4

    The model-independent 95\% \CL expected and observed upper limits set on ${\sigma(\PP\to 2\Pa+\PX)\mathcal{B}^2(\Pa\to 2\PGm)\alphaGen}$ over the range $0.21 < \MPa...

  • Panel 5

    Data from Figure 5A

    10.17182/hepdata.150033.v1/t5

    The 95\% \CL observed upper limits on the effective coupling $\CahLambda$ of the ALP to the SM Higgs assuming the...

  • Panel 6

    Data from Figure 5B

    10.17182/hepdata.150033.v1/t6

    The 95\% \CL observed upper limits on the effective coupling $\cll/\Lambda$ of the ALP to the SM leptons. The orange...

  • Panel 7

    Data from Figure 6

    10.17182/hepdata.150033.v1/t7

    The 95\% \CL observed upper limits on $\varepsilon^{2} \mathcal{B}(\ZDark \to \sDark \overline{\sDark}) \mathcal{B}^{2}(\sDark \rightarrow 2\PGm)$ for the vector portal model...

  • Panel 8

    Data from Figure 7A

    10.17182/hepdata.150033.v1/t8

    The 95\% \CL observed upper limits for $\sigma(\PP\to\PhOneTwo\to 2\PaOne) \mathcal{B}^2(\PaOne\to 2\PGm)$ for the NMSSM as a function of $\MPaOne$ for...

  • Panel 9

    Data from Figure 7B

    10.17182/hepdata.150033.v1/t9

    The 95\% \CL observed upper limits for $\sigma(\PP\to\PhOneTwo\to 2\PaOne) \mathcal{B}^2(\PaOne\to 2\PGm)$ for the NMSSM as a function of $\MPaOne$ for...

  • Panel 10

    Data from Figure 7C

    10.17182/hepdata.150033.v1/t10

    The 95\% \CL observed upper limits for $\sigma(\PP\to\PhOneTwo\to 2\PaOne) \mathcal{B}^2(\PaOne\to 2\PGm)$ for the NMSSM as a function of $\MPaOne$ for...

  • Panel 11

    Data from Figure 8

    10.17182/hepdata.150033.v1/t11

    The 95\% \CL observed upper limits (black solid curves) from this search as interpreted in the dark SUSY scenario for...

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