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• W4387484617 abstract "A bstract A search for high-mass dimuon resonance production in association with one or more b quark jets is presented. The study uses proton-proton collision data collected with the CMS detector at the LHC corresponding to an integrated luminosity of 138 fb − 1 at a center-of-mass energy of 13 TeV. Model-independent limits are derived on the number of signal events with exactly one or more than one b quark jet. Results are also interpreted in a lepton-flavor-universal model with Z′ boson couplings to a bb quark pair ( g b ), an sb quark pair ( g b δ bs ), and any same-flavor charged lepton ( g ℓ ) or neutrino pair ( g ν ), with |g ν | = |g ℓ | . For a Z′ boson with a mass $$ {m}_{{textrm{Z}}^{prime }} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:msub> <mml:mi>m</mml:mi> <mml:msup> <mml:mi>Z</mml:mi> <mml:mo>′</mml:mo> </mml:msup> </mml:msub> </mml:math> = 350 GeV (2 TeV) and |δ bs | < 0.25, the majority of the parameter space with 0.0057 < |g ℓ | < 0.35 (0.25 < |g ℓ | < 0.43) and 0.0079 < | g b | < 0.46 (0.34 < | g b | < 0.57) is excluded at 95% confidence level. Finally, constraints are set on a Z′ model with parameters consistent with low-energy b → s ℓℓ measurements. In this scenario, most of the allowed parameter space is excluded for a Z′ boson with 350 < $$ {m}_{{textrm{Z}}^{prime }} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:msub> <mml:mi>m</mml:mi> <mml:msup> <mml:mi>Z</mml:mi> <mml:mo>′</mml:mo> </mml:msup> </mml:msub> </mml:math> < 500 GeV, while the constraints are less stringent for higher $$ {m}_{{textrm{Z}}^{prime }} $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:msub> <mml:mi>m</mml:mi> <mml:msup> <mml:mi>Z</mml:mi> <mml:mo>′</mml:mo> </mml:msup> </mml:msub> </mml:math> hypotheses. This is the first dedicated search at the LHC for a high-mass dimuon resonance produced in association with multiple b quark jets, and the constraints obtained on models with this signature are the most stringent to date." @default.
• W4387484617 created "2023-10-11" @default.
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