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Search for the $C\!P$-violating strong decays $η\to π^+π^-$ and $η^\prime(958) \to π^+π^-$

Abstract:

A search for the $C\!P$-violating strong decays $\eta \to \pi^+\pi^-$ and $\eta^\prime(958) \to \pi^+\pi^-$ has been performed using approximately $2.5 \times 10^{7}$ events of each of the decays $D^+ \to \pi^+\pi^+\pi^-$ and $D_s^+ \to \pi^+\pi^+\pi^-$, recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0 fb$^{-1}$ of $pp$ collision data recorded during LHC Run 1 and 0.3 fb$^{-1}$ recorded in Run 2. No evidence is seen for $D^+_{(s)} \to \pi^+ \eta^{(\...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.physletb.2016.11.032

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Royal Society More from this funder
Royal Commission for the Exhibition of 1851 More from this funder
Leverhulme Trust More from this funder
Publisher:
Elsevier Publisher's website
Journal:
Physics Letters B Journal website
Volume:
764
Pages:
233-240
Publication date:
2016-11-23
Acceptance date:
2016-11-17
DOI:
EISSN:
1873-2445
ISSN:
0370-2693
Source identifiers:
653437
Keywords:
Pubs id:
pubs:653437
UUID:
uuid:36e5820e-1bae-4a5b-8542-bfa2cce51752
Local pid:
pubs:653437
Deposit date:
2016-11-30

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