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Search for CP violation in the decay $D^+ \to \pi^-\pi^+\pi^+$

Abstract : A search for CP violation in the phase space of the decay $D^+\to\pi^-\pi^+\pi^+$ is reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb experiment at a centre-of-mass energy of 7 TeV. The Dalitz plot distributions for $3.1\times 10^6$ $D^+$ and $D^-$ candidates are compared with binned and unbinned model-independent techniques. No evidence for CP violation is found.
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Submitted on : Thursday, October 31, 2013 - 2:59:59 PM
Last modification on : Thursday, December 16, 2021 - 2:11:08 PM

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R. Aaij, Y. Amhis, S. Barsuk, O. Callot, J. He, et al.. Search for CP violation in the decay $D^+ \to \pi^-\pi^+\pi^+$. Physics Letters B, Elsevier, 2014, 728, pp.585-595. ⟨10.1016/j.physletb.2013.12.035⟩. ⟨in2p3-00879009⟩



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