@article{3502aca8b2a144babdc341d2db8e6f0c,

title = "Search for light pseudoscalar boson pairs produced from decays of the 125 GeV Higgs boson in final states with two muons and two nearby tracks in pp collisions at s=13TeV",

abstract = "A search is presented for pairs of light pseudoscalar bosons, in the mass range from 4 to 15 GeV, produced from decays of the 125 GeV Higgs boson. The decay modes considered are final states that arise when one of the pseudoscalars decays to a pair of tau leptons, and the other one either into a pair of tau leptons or muons. The search is based on proton-proton collisions collected by the CMS experiment in 2016 at a center-of-mass energy of 13 TeV that correspond to an integrated luminosity of 35.9 fb−1. The 2μ2τ and 4τ channels are used in combination to constrain the product of the Higgs boson production cross section and the branching fraction into 4τ final state, σB, exploiting the linear dependence of the fermionic coupling strength of pseudoscalar bosons on the fermion mass. No significant excess is observed beyond the expectation from the standard model. The observed and expected upper limits at 95% confidence level on σB, relative to the standard model Higgs boson production cross section, are set respectively between 0.022 and 0.23 and between 0.027 and 0.19 in the mass range probed by the analysis.",

keywords = "2HD+1S, CMS, Higgs boson, NMSSM, Physics",

author = "{The CMS collaboration} and Sirunyan, {A. M.} and A. Tumasyan and W. Adam and F. Ambrogi and E. Asilar and T. Bergauer and J. Brandstetter and M. Dragicevic and J. Er{\"o} and {Escalante Del Valle}, A. and M. Flechl and R. Fr{\"u}hwirth and Ghete, {V. M.} and J. Hrubec and M. Jeitler and N. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Madlener and I. Mikulec and N. Rad and H. Rohringer and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and D. Spitzbart and W. Waltenberger and J. Wittmann and Wulz, {C. E.} and M. Zarucki and V. Chekhovsky and V. Mossolov and {Suarez Gonzalez}, J. and {De Wolf}, {E. A.} and {Di Croce}, D. and X. Janssen and J. Lauwers and A. Lelek and M. Pieters and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Remortel}, N. and F. Blekman and J. D{\textquoteright}hondt and {De Clercq}, J. and K. Deroover and G. Flouris and D. Lontkovskyi and S. Lowette and I. Marchesini and S. Moortgat and L. Moreels and Q. Python and K. Skovpen and S. Tavernier and {Van Doninck}, W. and {Van Mulders}, P. and {Van Parijs}, I. and D. Beghin and B. Bilin and H. Brun and B. Clerbaux and {De Lentdecker}, G. and H. Delannoy and B. Dorney and G. Fasanella and L. Favart and A. Grebenyuk and Kalsi, {A. K.} and J. Luetic and A. Popov and N. Postiau and E. Starling and L. Thomas and {Vander Velde}, C. and P. Vanlaer and D. Vannerom and Q. Wang and Sungwon Lee and Nural Akchurin and Shuichi Kunori and Igor Volobouev and Andrew Whitbeck",

note = "Publisher Copyright: {\textcopyright} 2019 The Author(s) Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

year = "2020",

month = jan,

day = "10",

doi = "10.1016/j.physletb.2019.135087",

language = "English",

volume = "800",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

}