Measurement of the near-threshold e+e- --> D()+/-D()-/+ cross section using initial-state radiation

• Published in: Physical review letters 2007-03, Vol.98 (9), p.092001-092001, Article 092001
• Main Authors: Pakhlova, G, Abe, K, Adachi, I, Aihara, H, Anipko, D, Aulchenko, V, Aushev, T, Bakich, A M, Balagura, V, Barberio, E, Bay, A, Bedny, I, Belous, K, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bracko, M, Browder, T E, Chang, M-C, Chao, Y, Chen, A, Chen, K-F, Chen, W T, Cheon, B G, Chistov, R, Choi, S-K, Choi, Y, Choi, Y K, Cole, S, Dalseno, J, Danilov, M, Drutskoy, A, Eidelman, S, Fratina, S, Gabyshev, N, Gershon, T, Gokhroo, G, Golob, B, Ha, H, Haba, J, Hayasaka, K, Hayashii, H, Hazumi, M, Heffernan, D, Hokuue, T, Hoshi, Y, Hou, S, Hou, W-S, Iijima, T, Ikado, K, Imoto, A, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Kaji, H, Kang, J H, Kapusta, P, Katayama, N, Kawasaki, T, Khan, H R, Kichimi, H, Kim, Y J, Kinoshita, K, Krizan, P, Krokovny, P, Kulasiri, R, Kumar, R, Kuo, C C, Kuzmin, A, Kwon, Y-J, Lee, J, Lee, M J, Lee, S E, Lesiak, T, Lin, S-W, Liventsev, D, Majumder, G, Mandl, F, Matsumoto, T, Matyja, A, McOnie, S, Medvedeva, T, Mitaroff, W, Miyake, H, Miyata, H, Miyazaki, Y, Mizuk, R, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S
• Format: Article
• Language: English
• Subjects: ANNIHILATION; BEAM LUMINOSITY; CENTER-OF-MASS SYSTEM; CROSS SECTIONS; D MINUS MESONS; D PLUS MESONS; ELECTRON-POSITRON INTERACTIONS; ELECTRONS; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; POSITRONS
• ISSN: 0031-9007; 1079-7114
• DOI: 10.1103/PhysRevLett.98.092001

We report a measurement of the exclusive e+e- -->D(*)+/-D*-/+ cross section as a function of center-of-mass energy near the D(*)+/-D*-/+ threshold with initial-state radiation. A partial reconstruction technique is used to increase the efficiency and to suppress background. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of 547.8 fb(-1).