Using data samples collected at center-of-mass energies of sqrt(s)= 4.009, 4.226, 4.257, 4.358, 4.416, and 4.599 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the isospin violating decay Y(4260)--> Jpsi eta pi0. No signal is observed, and upper limits on the cross section sigma(e+e- -->Jpsi eta pi0) at the 90% confidence level are determined to be 3.6, 1.7, 2.4, 1.4, 0.9, and 1.9 pb, respectively.
Search for the isospin violating decay Y(4260)--> Jpsi eta pi0
Garzia, I.;
2015
Abstract
Using data samples collected at center-of-mass energies of sqrt(s)= 4.009, 4.226, 4.257, 4.358, 4.416, and 4.599 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the isospin violating decay Y(4260)--> Jpsi eta pi0. No signal is observed, and upper limits on the cross section sigma(e+e- -->Jpsi eta pi0) at the 90% confidence level are determined to be 3.6, 1.7, 2.4, 1.4, 0.9, and 1.9 pb, respectively.File in questo prodotto:
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