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Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV

Publication ,  Journal Article
Hayrapetyan, A; Tumasyan, A; Adam, W; Andrejkovic, JW; Bergauer, T; Chatterjee, S; Damanakis, K; Dragicevic, M; Hussain, PS; Jeitler, M; Li, A ...
Published in: Journal of High Energy Physics
October 1, 2025

A first study is presented of the cross section for the scattering of same-sign W boson pairs via the detection of a τ lepton. The data from proton-proton collisions at the center-of-mass energy of 13 TeV were collected by the CMS detector at the LHC, and correspond to an integrated luminosity of 138 fb−1. Events were selected that contain two jets with large pseudorapidity and large invariant mass, one τ lepton, one light lepton (e or μ), and significant missing transverse momentum. The measured cross section for electroweak same-sign WW scattering is times the standard model prediction. In addition, a search is presented for the indirect effects of processes beyond the standard model via the effective field theory framework, in terms of dimension-6 and dimension-8 operators.

Duke Scholars

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

October 1, 2025

Volume

2025

Issue

10

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics
 

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Hayrapetyan, A., Tumasyan, A., Adam, W., Andrejkovic, J. W., Bergauer, T., Chatterjee, S., … Chinellato, J. (2025). Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV. Journal of High Energy Physics, 2025(10). https://doi.org/10.1007/JHEP10(2025)219
Hayrapetyan, A., A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, K. Damanakis, et al. “Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV.” Journal of High Energy Physics 2025, no. 10 (October 1, 2025). https://doi.org/10.1007/JHEP10(2025)219.
Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, et al. Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV. Journal of High Energy Physics. 2025 Oct 1;2025(10).
Hayrapetyan, A., et al. “Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV.” Journal of High Energy Physics, vol. 2025, no. 10, Oct. 2025. Scopus, doi:10.1007/JHEP10(2025)219.
Hayrapetyan A, Tumasyan A, Adam W, Andrejkovic JW, Bergauer T, Chatterjee S, Damanakis K, Dragicevic M, Hussain PS, Jeitler M, Krammer N, Li A, Liko D, Mikulec I, Schieck J, Schöfbeck R, Schwarz D, Sonawane M, Waltenberger W, Wulz CE, Janssen T, Van Laer T, Van Mechelen P, Breugelmans N, D’Hondt J, Dansana S, De Moor A, Delcourt M, Heyen F, Lowette S, Makarenko I, Müller D, Tavernier S, Tytgat M, Van Onsem GP, Van Putte S, Vannerom D, Bilin B, Clerbaux B, Das AK, De Lentdecker G, Evard H, Favart L, Gianneios P, Jaramillo J, Khalilzadeh A, Khan FA, Lee K, Mahdavikhorrami M, Malara A, Paredes S, Shahzad MA, Thomas L, Vanden Bemden M, Vander Velde C, Vanlaer P, De Coen M, Dobur D, Gokbulut G, Hong Y, Knolle J, Lambrecht L, Marckx D, Amarilo KM, Samalan A, Skovpen K, Van Den Bossche N, van der Linden J, Wezenbeek L, Benecke A, Bethani A, Bruno G, Caputo C, De Favereau De Jeneret J, Delaere C, Donertas IS, Giammanco A, Guzel AO, Jain S, Lemaitre V, Lidrych J, Mastrapasqua P, Tran TT, Wertz S, Alves GA, Alves Gallo Pereira M, Coelho E, Correia Silva G, Hensel C, Menezes De Oliveira T, Mora Herrera C, Moraes A, Rebello Teles P, Soeiro M, Vilela Pereira A, Aldá Júnior WL, Barroso Ferreira Filho M, Brandao Malbouisson H, Carvalho W, Chinellato J. Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at TeV. Journal of High Energy Physics. 2025 Oct 1;2025(10).
Journal cover image

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

October 1, 2025

Volume

2025

Issue

10

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics