Aubert, B;
Barate, R;
Bona, M;
Boutigny, D;
Couderc, F;
Karyotakis, Y;
Lees, JP;
... BABAR Collaboration; + view all
(2006)
Observation of Upsilon(4S) decays to pi(+)pi(-)Upsilon(1S) and pi(+)pi(-)Upsilon(2S).
PHYS REV LETT
, 96
(23)
, Article 232001. 10.1103/PhysRevLett.96.232001.