First model-independent Dalitz analysis of B0→DK*0, D→K$0\atop{s}$π+π- decay

Ishikawa, A.; Yamamoto, H.; Abdesselam, A.; Adachi, I.; Aihara, H.; Al Said, A.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bahinipati, S.; Bakich, A. M.; Barberio, E.; Biswal, J.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Doležal, 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.; Goldenzweig, P.; Golob, B.; Grzymkowska, O.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; He, X. H.; Horiguchi, T.; Hou, W. -S.; Iijima, T.; Inami, K.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joffe, D.; Joo, K. K.; Julius, T.; Kang, K. H.; Kawasaki, T.; Kiesling, C.; Kim, D. Y.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; 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, Y.; LiGioi, L.; Libby, J.; Liventsev, D.; Lukin, P.; Masuda, M.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Moon, H. K.; Mussa, R.; Nakao, M.; Nanut, T.; Natkaniec, Z.; Nayak, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Park, C. W.; Park, H.; Pedlar, T. K.; Pesántez, L.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Pulvermacher, C.; Ribežl, E.; Ritter, M.; Rostomyan, A.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Senyo, K.; Sevior, M. E.; Shebalin, V.; Shen, C. P.; Shibata, T. -A.; Shiu, J. -G.; Simon, F.; Sohn, Y. -S.; Solovieva, E.; Stanič, S.; Starič, M.; Steder, M.; Sumihama, M.; Sumiyoshi, T.; Tamponi, U.; Teramoto, Y.; Uchida, M.; Unno, Y.; Uno, S.; Urquijo, P.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Wehle, S.; Williams, M. K.; Won, E.; Yamaoka, J.; Yamashita, Y.; Yashchenko, S.; Yelton, J.; Yook, Y.; Yuan, C. Z.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

doi:10.1093/ptep/ptw030

Title: First model-independent Dalitz analysis of B⁰→DK^*0, D→K$$0\atop{s}$$π⁺π^- decay

Journal Article · Fri Apr 01 00:00:00 EDT 2016 · Progress of Theoretical and Experimental Physics

DOI:https://doi.org/10.1093/ptep/ptw030· OSTI ID:1333443

Ishikawa, A.; Yamamoto, H.; Abdesselam, A.; Adachi, I.; Aihara, H.; Al Said, A.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bahinipati, S.; Bakich, A. M.; Barberio, E.; Biswal, J.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E. more »

We report a measurement of the amplitude ratio r_s of B⁰ -> D⁰→DK^*0 and B⁰ -> $$\bar{D}$$⁰K^*0 decays with a Dalitz analysis of D -> $$0\atop{s}$$ decays, for the first time using a model-independent method. We set an upper limit rs< 0.87 at the 68% confidence level, using the full data sample of 711 fb ^-1 corresponding to 772x10⁶ BB pairs collected at the Y(4S) resonance with the Belle detector at the KEKB e⁺e^- collider. This result is obtained from observables x_-=+0.4 $$+1.0+0.0\atop{-0.6-0.1}$$ ±0.0, y_-= -.06 $$+0.8+0.1\atop{-1.0-0.0}$$ ±0.1, x₊ = +0.1 $$+0.7+0.0\atop{-0.4-0.1}$$ ±0.1, and y₊= +0.5 $$+0.0+0.0\atop{-0.8-0.1}$$ ±0.1, where x_± = r_scos (δ_s ± Φ₃), y_± = r_s sin (δ_s ± Φ₃), and Φ₃ (δ_s) is the weak (strong) phase difference between B⁰ →D⁰K^*0 and B⁰ →$$\bar{D}$$⁰K^*0

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Research Organization:: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

Contributing Organization:: Belle Collaboration

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1333443

Report Number(s):: PNNL-SA-115311; KA2201020

Journal Information:: Progress of Theoretical and Experimental Physics, Vol. 2016, Issue 4; ISSN 2050-3911

Publisher:: Physical Society of Japan

Country of Publication:: United States

Language:: English

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