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Measurement of the resonant and CP components in $\overline{B}^0\rightarrow J/ψπ^+π^-$ decays

Abstract:

The resonant structure of the reaction $\overline{B}^0\rightarrow J/\psi \pi^+\pi^-$ is studied using data from 3 fb$^{-1}$ of integrated luminosity collected by the LHCb experiment, one-third at 7 Tev center-of-mass energy and the remainder at 8 Tev. The invariant mass of the $\pi^+\pi^-$ pair and three decay angular distributions are used to determine the fractions of the resonant and non-resonant components. Six interfering $\pi^+\pi^-$ states: $\rho(770)$, $f_0(500)$, $f_2(1270)$, $\rho(1...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.90.012003

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Journal:
Phys. Rev. D
Volume:
90
Issue:
1
Pages:
012003
Publication date:
2014-04-23
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:1adc2491-6c44-4516-85e2-adaa37fe510a
Source identifiers:
462823
Local pid:
pubs:462823
Keywords:

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