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  • A Search for the evidence of typr-III seesaw mechanism in multileptonic final states at the LHC 
    KOTHEKAR, KUNAL (Dept. of Physics, 2018-12)
    The standard model(SM) of particle physics is an experimentally tested successful the- ory of the modern physics era. However there exist phenomena which the SM does not describe. Among others, the neutrino mass hierarchy ...
  • Measurement of the Higgs boson width and evidence of its off-shell contributions to ZZ production 
    CMS Collaboration; Tumasyan, A.; ALPANA, K.; DUBE, SOURABH; KANSAL, B.; LAHA, A.; PANDEY, S.; RASTOGI, A.; SHARMA, SEEMA et al. (Springer Nature, 2022-10)
    Since the discovery of the Higgs boson in 2012, detailed studies of its properties have been ongoing. Besides its mass, its width—related to its lifetime—is an important parameter. One way to determine this quantity is to ...
  • Observation of triple J/ψ meson production in proton-proton collisions 
    CMS Collaboration; Tumasyan, S.; ALPANA, K.; DUBE, SOURABH; KANSAL, B.; LAHA, A.; PANDEY, S.; RASTOGI, A.; SHARMA, SEEMA et al. (Springer Nature, 2023-03)
    Protons consist of three valence quarks, two up-quarks and one down-quark, held together by gluons and a sea of quark-antiquark pairs. Collectively, quarks and gluons are referred to as partons. In a proton-proton collision, ...