Search for charged Higgs bosons decaying into top and bottom quarks in lepton+jets final states in proton-proton collisions at √s=13 TeV

@article{collaboration2026search,
  title = {{Search for charged Higgs bosons decaying into top and bottom quarks in lepton+jets final states in proton-proton collisions at $$ \sqrts=13 $$ TeV}},
  author = {The CMS collaboration and A. Hayrapetyan and V. Makarenko and A. Tumasyan and W. Adam and L. Benato and T. Bergauer and M. Dragicevic and C. Giordano and P. S. Hussain and M. Jeitler and N. Krammer and A. Li and D. Liko and M. Matthewman and J. Schieck and R. Schöfbeck and D. Schwarz and M. Shooshtari and M. Sonawane and W. Waltenberger and C.-E. Wulz and T. Janssen and H. Kwon and D. Ocampo Henao and T. Van Laer and P. Van Mechelen and J. Bierkens and N. Breugelmans and J. D’Hondt and S. Dansana and A. De Moor and M. Delcourt and F. Heyen and Y. Hong and P. Kashko and S. Lowette and I. Makarenko and D. Müller and J. Song and S. Tavernier and M. Tytgat and G. P. Van Onsem and S. Van Putte and D. Vannerom and B. Bilin and B. Clerbaux and A. K. Das and I. De Bruyn and G. De Lentdecker and H. Evard and L. Favart and P. Gianneios and A. Khalilzadeh and F. A. Khan and A. Malara and M. A. Shahzad and A. Sharma and L. Thomas and M. Vanden Bemden},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = oct,
  doi = {10.1007/jhep10(2026)013},
  url = {https://link.springer.com/10.1007/JHEP10(2026)013},
  note = {CC BY 4.0},
}

TY  - JOUR
TI  - Search for charged Higgs bosons decaying into top and bottom quarks in lepton+jets final states in proton-proton collisions at √s=13 TeV
AU  - The CMS collaboration
AU  - A. Hayrapetyan
AU  - V. Makarenko
AU  - A. Tumasyan
AU  - W. Adam
AU  - L. Benato
AU  - T. Bergauer
AU  - M. Dragicevic
AU  - C. Giordano
AU  - P. S. Hussain
AU  - M. Jeitler
AU  - N. Krammer
AU  - A. Li
AU  - D. Liko
AU  - M. Matthewman
AU  - J. Schieck
AU  - R. Schöfbeck
AU  - D. Schwarz
AU  - M. Shooshtari
AU  - M. Sonawane
AU  - W. Waltenberger
AU  - C.-E. Wulz
AU  - T. Janssen
AU  - H. Kwon
AU  - D. Ocampo Henao
AU  - T. Van Laer
AU  - P. Van Mechelen
AU  - J. Bierkens
AU  - N. Breugelmans
AU  - J. D’Hondt
AU  - S. Dansana
AU  - A. De Moor
AU  - M. Delcourt
AU  - F. Heyen
AU  - Y. Hong
AU  - P. Kashko
AU  - S. Lowette
AU  - I. Makarenko
AU  - D. Müller
AU  - J. Song
AU  - S. Tavernier
AU  - M. Tytgat
AU  - G. P. Van Onsem
AU  - S. Van Putte
AU  - D. Vannerom
AU  - B. Bilin
AU  - B. Clerbaux
AU  - A. K. Das
AU  - I. De Bruyn
AU  - G. De Lentdecker
AU  - H. Evard
AU  - L. Favart
AU  - P. Gianneios
AU  - A. Khalilzadeh
AU  - F. A. Khan
AU  - A. Malara
AU  - M. A. Shahzad
AU  - A. Sharma
AU  - L. Thomas
AU  - M. Vanden Bemden
PY  - 2026
DA  - 2026/10/01
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep10(2026)013
UR  - https://link.springer.com/10.1007/JHEP10(2026)013
AB  - A bstract : A search is presented for charged Higgs bosons (H ± ) in proton-proton (pp) collision events via the pp → (b)H ± processes, with H ± decaying into top (t) and bottom (b) quarks. The search targets final states with one lepton, missing transverse momentum, and two or more b jets. The analysis is based on data collected at a center-of-mass energy of 13 TeV with the CMS detector at the CERN LHC, corresponding to an integrated luminosity of 138 fb − 1 . We search for charged Higgs bosons in the 200 GeV to 1 TeV mass range. The results are interpreted within the generalized two-Higgs-doublet model (g2HDM). This model predicts additional Yukawa couplings of the Higgs bosons to the top quark ρ tt , the top and charm quark ρ tc , and the top and up quark ρ tu . This search focuses on the real components of ρ tt and ρ tc , which are probed up to values of unity. An excess is observed with respect to the standard model expectation with a local significance of 2.4 standard deviations for a signal with an H ± boson mass ( m_H^±  m H ± ) of 600 GeV. Limits are derived on the product of the cross section σ (pp → (b)H ± ) and branching fraction ℬ(H ± → tb , t → b ℓν ), where ℓ = e , μ . The values of ρ tc ≳ 0.11–0.38 are excluded at 95% confidence level, depending on the m_H^±  m H ± and ρ tt assumptions. The results represent the first search for charged Higgs bosons within the g2HDM framework in the single-lepton final states and complement the existing results on additional neutral Higgs bosons perfomed in the same-sign top quark pair, three top quark, or four top quark final states, constraining extra Yukawa couplings for the neutral Higgs bosons below the TeV scale.
SN  - 1029-8479
ER  -