Abe, K;
Adachi, I;
Aihara, H;
Arinstein, K;
Asano, Y;
Aulchenko, V;
Aushev, T;
... Collaboration, B; + view all
(2007)
Observation of a charmoniumlike state produced in association with a J/psi in e(+)e(-) annihilation at root s approximate to 10.6 GeV.
PHYS REV LETT
, 98
(8)
, Article 082001. 10.1103/PhysREvLett.98.082001.
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Abstract
We report the first observation of a charmoniumlike state recoiling from the J/psi in the inclusive process e(+)e(-)-> J/psi+anything at a mass of (3.943 +/- 0.006 +/- 0.006) GeV/c(2). We also observe the decay of this state into (DD)-D-* and determine its intrinsic width to be less than 52 MeV/c(2) at the 90% C.L. These results are obtained from a 357 fb(-1) data sample collected with the Belle detector near the Upsilon(4S) resonance, at the KEKB asymmetric-energy e(+)e(-) collider.
| Type: | Article |
|---|---|
| Title: | Observation of a charmoniumlike state produced in association with a J/psi in e(+)e(-) annihilation at root s approximate to 10.6 GeV |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysREvLett.98.082001 |
| Publisher version: | http://dx.doi.org/10.1103/PhysREvLett.98.082001 |
| Language: | English |
| Additional information: | © 2007 The American Physical Society |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1308534 |
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