%0 Journal Article
%@ 0031-9007
%A Gabyshev, N
%A Abe, K
%A Abe, K
%A Adachi, I
%A Aihara, H
%A Asano, Y
%A Aulchenko, V
%A Aushev, T
%A Bakich, AM
%A Bitenc, U
%A Bizjak, I
%A Blyth, S
%A Bondar, A
%A Bozek, A
%A Bracko, M
%A Brodzicka, J
%A Browder, TE
%A Chang, P
%A Chao, Y
%A Chen, A
%A Chen, WT
%A Cheon, BG
%A Chistov, R
%A Choi, SK
%A Choi, Y
%A Chuvikov, A
%A Cole, S
%A Dalseno, J
%A Danilov, M
%A Dash, M
%A Drutskoy, A
%A Eidelman, S
%A Enari, Y
%A Fratina, S
%A Gershon, T
%A Gokhroo, G
%A Golob, B
%A Gorisek, A
%A Hara, T
%A Hayashii, H
%A Hazumi, M
%A Hokuue, T
%A Hoshi, Y
%A Hou, S
%A Hou, WS
%A Hsiung, YB
%A Iijima, T
%A Imoto, A
%A Inami, K
%A Ishikawa, A
%A Itoh, R
%A Iwasaki, M
%A Iwasaki, Y
%A Kang, JH
%A Kang, JS
%A Kataoka, SU
%A Katayama, N
%A Kawai, H
%A Kawasaki, T
%A Khan, HR
%A Kichimi, H
%A Kim, HJ
%A Kim, HO
%A Kim, SK
%A Kim, SM
%A Kinoshita, K
%A Korpar, S
%A Krokovny, P
%A Kumar, S
%A Kuo, CC
%A Kuzmin, A
%A Kwon, YJ
%A Lange, JS
%A Leder, G
%A Lesiak, T
%A Lin, SW
%A Mandl, F
%A Matsumoto, T
%A Mikami, Y
%A Mitaroff, W
%A Miyake, H
%A Miyata, H
%A Mizuk, R
%A Nagamine, T
%A Nagasaka, Y
%A Nakano, E
%A Nakao, M
%A Nakazawa, H
%A Natkaniec, Z
%A Nishida, S
%A Nitoh, O
%A Ogawa, S
%A Ohshima, T
%A Okabe, T
%A Okuno, S
%A Olsen, SL
%A Onuki, Y
%A Ozaki, H
%A Palka, H
%A Park, CW
%A Park, H
%A Parslow, N
%A Peak, LS
%A Pestotnik, R
%A Piilonen, LE
%A Rozanska, M
%A Sagawa, H
%A Sakai, Y
%A Sato, N
%A Schietinger, T
%A Schneider, O
%A Schwartz, AJ
%A Senyo, K
%A Seuster, R
%A Sevior, ME
%A Shibuya, H
%A Sidorov, V
%A Singh, JB
%A Somov, A
%A Stamen, R
%A Stanic, S
%A Staric, M
%A Sumiyoshi, T
%A Suzuki, SY
%A Tajima, O
%A Takasaki, F
%A Tamai, K
%A Tamura, N
%A Tanaka, M
%A Teramoto, Y
%A Tian, XC
%A Tsuboyama, T
%A Tsukamoto, T
%A Uehara, S
%A Uglov, T
%A Ueno, K
%A Uno, S
%A Urquijo, P
%A Varner, G
%A Varvell, KE
%A Villa, S
%A Wang, CH
%A Wang, MZ
%A Xie, QL
%A Yabsley, BD
%A Yamaguchi, A
%A Yamamoto, H
%A Yamashita, Y
%A Yamauchi, M
%A Yang, H
%A Zhang, CC
%A Zhang, J
%A Zhang, LM
%A Zhang, ZP
%A Zhilich, V
%A Zontar, D
%A Belle Cobbaration
%D 2006
%F discovery:1308526
%I AMERICAN PHYSICAL SOC
%J PHYS REV LETT
%K BELLE
%N 24
%T Study of decay mechanisms in B-->Lambda(+)(c)p pi(-) decays and observation of low-mass structure in the Lambda(+)(c)p system
%U https://discovery.ucl.ac.uk/id/eprint/1308526/
%V 97
%X Using a sample of 152x10(6) B (B) over bar pairs accumulated with the Belle detector at the KEKB e(+)e(-) collider, we study the decay mechanism of three-body charmed decay B-->Lambda(+)(c)(p) over bar pi(-). The intermediate two-body decay B-->Sigma(c)(2455)(0)(p) over bar is observed for the first time with a branching fraction of (3.7 +/- 0.7 +/- 0.4 +/- 1.0)x10(-5) and a statistical significance of 8.4 sigma. We also observe a low-mass enhancement in the (Lambda(+)(c)(p) over bar) system, which can be parametrized as a Breit-Wigner function with a mass of (3.35(-0.02)(+0.01)+/- 0.02) GeV/c(2) and a width of (0.07(-0.03)(+0.04)+/- 0.04) GeV/c(2). We measure its branching fraction to be (3.9(-0.7)(+0.8)+/- 0.4 +/- 1.0)x10(-5) with a statistical significance of 6.2 sigma. The errors are statistical, systematic, and that of the Lambda(+)(c)-> pK(-)pi(+) decay branching fraction.
%Z © 2006 The American Physical Society