Updated measurement of time-dependent CP -violating observables in Bs0→J/ψ<sup>K+</sup><sup>K-</sup> decays
R Aaij,
CA Beteta,
T Ackernley,
B Adeva,
M Adinolfi,
H Afsharnia,
CA Aidala,
S Aiola,
Z Ajaltouni,
S Akar,
P Albicocco,
J Albrecht,
F Alessio,
M Alexander,
AA Albero,
G Alkhazov,
PA Cartelle,
AAA Jr,
S Amato,
Y Amhis,
L An,
L Anderlini,
G Andreassi,
M Andreotti,
F Archilli,
P d’Argent,
JA Romeu,
A Artamonov,
M Artuso,
K Arzymatov,
E Aslanides,
M Atzeni,
B Audurier,
S Bachmann,
JJ Back,
S Baker,
V Balagura,
W Baldini,
A Baranov,
RJ Barlow,
S Barsuk,
W Barter,
M Bartolini,
F Baryshnikov,
G Bassi,
V Batozskaya,
B Batsukh,
A Battig,
V Battista,
A Bay,
M Becker,
F Bedeschi,
I Bediaga,
A Beiter,
LJ Bel,
V Belavin,
S Belin,
N Beliy,
V Bellee,
K Belous,
I Belyaev,
E Ben-Haim,
G Bencivenni,
S Benson,
S Beranek,
A Berezhnoy,
R Bernet,
D Berninghoff,
E Bertholet,
A Bertolin,
C Betancourt,
F Betti,
MO Bettler,
MV Beuzekom,
I Bezshyiko,
S Bhasin,
J Bhom,
MS Bieker,
S Bifani,
P Billoir,
A Birnkraut,
A Bizzeti,
M Bjørn,
MP Blago,
T Blake,
F Blanc,
S Blusk,
D Bobulska,
V Bocci,
OB Garcia,
T Boettcher,
A Boldyrev,
A Bondar,
N Bondar,
S Borghi,
M Borisyak,
M Borsato,
JT Borsuk,
M Boubdir,
TJV Bowcock
Aug 21, 2020
The decay-time-dependent $CP$ asymmetry in $B^{0}_{s}\to J/\psi K^{+} K^{-}$
decays is measured using proton-proton collision data, corresponding to an
integrated luminosity of $1.9\,\mathrm{fb^{-1}}$, collected with the...