Measurements of $B\to \overline{D}{D}_{s0}^{*+}\left(2317\right)$ decay rates and a search for isospin partners of the $D_{s0}^{*+}\left(2317\right)$

Journal Article · Thu May 28 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.91.092011· OSTI ID:1594412

Choi, S. -K.; Olsen, S. L.; Abdesselam, A.; Adachi, I.; Aihara, H.; Arinstein, K.; Asner, D. M.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bakich, A. M.; Barberio, E.; Bhardwaj, V.; Bhuyan, B.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D. ; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Doležal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Garmash, A.; Getzkow, D.; Gillard, R.; Glattauer, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; He, X. H.; Horiguchi, T.; Hou, W. -S.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joffe, D.; Julius, T.; Kang, K. H.; Kato, E.; Katrenko, P.; Kawasaki, T.; Kim, B. H.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodyš, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kumita, T.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Lee, I. S.; Lewis, P.; Li, H.; Li Gioi, L.; Libby, J.; Lukin, P.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Moon, H. K.; Mori, T.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Natkaniec, Z.; Nayak, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Park, C. W.; Park, H.; Pedlar, T. K.; Pesántez, L.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Ribežl, E.; Ritter, M.; Rostomyan, A.; Ryu, S.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shebalin, V.; Shen, C. P.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. -S.; Sokolov, A.; Solovieva, E.; Starič, M.; Steder, M.; Tamponi, U.; Tanaka, S.; Tanida, K.; Teramoto, Y.; Trusov, V.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vorobyev, V.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, X. L.; Watanabe, Y.; Williams, K. M.; Won, E.; Yashchenko, S.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

In this work, we report improved measurements of the product branching fractions $\mathcal{B}(B^{+}\to {\overline{D}}^0{D}_{s0}^{*+}(2317\left)\right)\times \mathcal{B}\left(D_{s0}^{*+}\right(2317)\to D_s^{+}{\pi }^0)=(8.0_{-1.2}^{+1.3}\pm 1.1\pm 0.4)\times 10^{-4}$ and $\mathcal{B}(B^0\to D^{-}{D}_{s0}^{*+}(2317\left)\right)\times \mathcal{B}\left(D_{s0}^{*+}\right(2317)\to D_s^{+}{\pi }^0)=(10.2_{-1.2}^{+1.3}\pm 1.0\pm 0.4)\times 10^{-4}$, where the first errors are statistical, the second are systematic and the third are from $D$ and $D_s^{+}$ branching fractions. In addition, we report negative results from a search for hypothesized neutral ( ${\mathbf{z}}^0$) and doubly charged ( ${\mathbf{z}}^{++}$) isospin partners of the $D_{s0}^{*+}\left(2317\right)$ and provide upper limits on the product branching fractions $\mathcal{B}(B^0\to D^0{\mathbf{z}}^0)\times \mathcal{B}({\mathbf{z}}^0\to D_s^{+}{\pi }^{-})$ and $\mathcal{B}(B^{+}\to D^{-}{\mathbf{z}}^{++})\times \mathcal{B}({\mathbf{z}}^{++}\to D_s^{+}{\pi }^{+})$ that are more than an order of magnitude smaller than theoretical expectations for the hypotheses that the $D_{s0}^{*+}\left(2317\right)$ is a member of an isospin triplet. The analysis uses a $711{\mathrm{fb}}^{-1}$ data sample containing 772 million $B\overline{B}$-meson pairs collected at the $\mathrm{{\rm Y}}\left(4S\right)$ resonance in the Belle detector at the KEKB collider.

• Research Organization: Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
• Contributing Organization: The Belle Collaboration
• Grant/Contract Number: SC0009973; P 22742-N16; P 26794-N20; 10575109; 10775142; KRF-2011-0021196; KRF- 2011-0020333; 10875115; 11175187; 11475187; LG14034; 2011-0029457; 2012-0008143; 2012R1A1A2008330; 2013R1A1A3007772; 2014R1A2A2A01005286; 2014R1A2A2A01002734; 2014R1A1A2006456
• OSTI ID: 1594412
• Alternate ID(s): OSTI ID: 1228171
• Journal Information: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 91, Issue 9; ISSN 1550-7998
• Publisher: American Physical Society (APS)
• Country of Publication: United States
• Language: English

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