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Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.091501
Abstract: Using the Belle data on the decay $\Upsilon(10860)\to \Upsilon(1S)f_0(980)\to\Upsilon(1S)\pi^+\pi^-$, we estimate the fraction of the process $\Upsilon(10860)\to\Upsilon(1S)f_0(980)\to \Upsilon(1S)\eta\pi^0$, caused by the mixing of $a^0_0(980)$ and $f_0(980)$ resonances that breaks the isotopic invariance due to the…
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Keywords:
upsilon 980;
980 upsilon;
10860 upsilon;
upsilon eta ... See more keywords