Aubert, B;
Barate, R;
Bona, M;
Boutigny, D;
Couderc, F;
Karyotakis, Y;
Lees, JP;
... BaBar Collaboration; + view all
(2007)
Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2).
PHYS REV LETT
, 98
(1)
, Article 012001. 10.1103/PhysRevLett.98.012001.
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Abstract
A search for charmed baryons decaying to D(0)p reveals two states: the Lambda(c)(2880)(+) baryon and a previously unobserved state at a mass of [2939.8 +/- 1.3(stat)+/- 1.0(syst)] MeV/c(2) and with an intrinsic width of [17.5 +/- 5.2(stat)+/- 5.9(syst)] MeV. Consistent and significant signals are observed for the K-pi(+) and K-pi(+)pi(-)pi(+) decay modes of the D-0 in 287 fb(-1) annihilation data recorded by the BABAR detector at a center-of-mass energy of 10.58 GeV. There is no evidence in the D(+)p spectrum of doubly charged partners. The mass and intrinsic width of the Lambda(c)(2880)(+) baryon and relative yield of the two baryons are also measured.
| Type: | Article |
|---|---|
| Title: | Observation of a charmed baryon decaying to D(0)p at a mass near 2.94 GeV/c(2) |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.98.012001 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.98.012001 |
| Language: | English |
| Additional information: | © 2007 The American Physical Society |
| Keywords: | QUARK-MODEL |
| 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/1303823 |
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