@article{article, title = {{Measurements of the mass and width of the ηc meson and of an ηc(2S) candidate -: art. no. 142002}}, url = {{}}, year = {{2004}}, month = {{1}}, author = {{Aubert B and Barate R and Boutigny D and Gaillard JM and Hicheur A and Karyotakis Y and Lees JP and Robbe R and Tisserand V and Zghiche A and Palano A et al}}, doi = {{10.1103/PhysRevLett.92.142002}}, volume = {{92}}, journal = {{PHYSICAL REVIEW LETTERS}}, issue = {{14}}, note = {{Accessed on 2026/07/14}}}