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D 0 →K+ K−

  1. Nov 14, 2014 #1
    Hi, I am working on D 0 →K+ K− for my school project. I looked for any similar subjects and essays, i could not find this specific decay, i could write the form factors and also effective hamiltonian by myself but unfortunately i have problem writing the equations for LCDA ( light cone distribution amplitude) ( not sure about what i write)and so amplitude equations because my final mesons are semi-scalar and not vector. would you please advise me if you have any sources or if you can help me in this regard? I know i have two diagrams for this decay, one tree and one penguin diagram so i should have 6 Wilson coefficient. But i do not know how to use them to write the final amplitude equation and not sure if i am doing correct.

    Any sources and help regarding this decay will be so helpful for me.
     
  2. jcsd
  3. Nov 14, 2014 #2

    mfb

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    2016 Award

    Staff: Mentor

    LHCb published several experimental papers about this decay (and D0 -> pi pi, delta A_CP is another good keyword to look for), their introduction sections should have appropriate theory references.
     
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