Direct probes of flavor-changing neutral currents in e+ e--collisions

Khodjamirian, Alexander; Mannel, Thomas; Petrov, Alexey A.

doi:10.1007/JHEP11(2015)142

Title: Direct probes of flavor-changing neutral currents in e⁺ e^--collisions

Journal Article · Fri Nov 20 00:00:00 EST 2015 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP11(2015)142· OSTI ID:1437407

Khodjamirian, Alexander ^[1]; Mannel, Thomas ^[1]; Petrov, Alexey A. ^[2]

Naturwissenschaftlich-Technische Fakultät Universität Siegen, Siegen (Germany). Theoretische Physik
Naturwissenschaftlich-Technische Fakultät Universität Siegen, Siegen (Germany). Theoretische Physik; Wayne State Univ., Detroit, MI (United States). Department of Physics and Astronomy; Univ. of Michigan, Ann Arbor, MI (United States). Michigan Center for Theoretical Physics

In this paper, we propose a novel method to study flavor-changing neutral currents in the e ⁺ e ^- → D *⁰ and e ⁺ e ^-→ B _s * transitions, tuning the energy of e ⁺ e ^-- collisions to the mass of the narrow vector resonance D *⁰ or B _s * . We present a thorough study of both short-distance and long-distance contributions to e ⁺ e ^- → D *⁰ in the Standard Model and investigate possible contributions of new physics in the charm sector. This process, albeit very rare, has clear advantages with respect to the D ⁰ → e ⁺ e ^- decay: the helicity suppression is absent, and a richer set of effective operators can be probed. Finally, implications of the same proposal for B _s * are also discussed.

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Research Organization:: Naturwissenschaftlich-Technische Fakultät Universität Siegen, Siegen (Germany)

Sponsoring Organization:: USDOE

Grant/Contract Number:: SC0007983

OSTI ID:: 1437407

Journal Information:: Journal of High Energy Physics (Online), Vol. 2015, Issue 11; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 23 works

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Study of the rare decays ${B}_{s,d}^{* } \rightarrow {\mu }^{+}{\mu }^{-}$ Sahoo, Suchismita; Mohanta, Rukmani Journal of Physics G: Nuclear and Particle Physics, Vol. 44, Issue 3 https://doi.org/10.1088/1361-6471/aa577e	journal	February 2017
Semileptonic decays of B , ${B}_{s}^{ }$, and ${B}_{c}^{* }$ with the Bethe–Salpeter method Wang, Tianhong; Jiang, Yue; Zhou, Tian Journal of Physics G: Nuclear and Particle Physics, Vol. 45, Issue 11 https://doi.org/10.1088/1361-6471/aae14a	journal	September 2018
Probing new physics through $B_{s}^{*} \to μ^{+} μ^{-}$ decay Kumar, Dinesh; Saini, Jyoti; Gangal, Shireen Physical Review D, Vol. 97, Issue 3 https://doi.org/10.1103/physrevd.97.035007	journal	February 2018
Study of the Rare Decays $$B_{s,d}^{*} \rightarrow \mu^{+} \mu^{-}$$ Sahoo, Suchismita; Mohanta, Rukmani XXII DAE High Energy Physics Symposium https://doi.org/10.1007/978-3-319-73171-1_73	book	May 2018

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Title: Direct probes of flavor-changing neutral currents in e+ e--collisions

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