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Title: First observation of Cabibbo-suppressed Ξ c 0 decays

Abstract

We report the first observation of the Cabibbo-suppressed decays $$\Xi^0_c$$→$$\Xi^-K^+$$, $$\Xi_c^0\to\Lambda K^+ K^-$$ and $$\Xi^0_c→ΛΦ$$, using a data sample of 711 fb-1 collected at the $$\Upsilon(4S)$$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We measure the ratios of branching fractions to be $$\frac{{\cal B}(\Xi_c^0\to \Xi^- K^+)}{{\cal B}(\Xi^0_c\to\Xi^-\pi^+)}=(2.75\pm 0.51\pm 0.25)\times 10^{-2}$$, $$\frac{{\cal B}(\Xi_c^0\to\Lambda K^+ K^-)}{{\cal B}(\Xi_c^0\rightarrow\Xi^- \pi^+)}=(2.86\pm 0.61\pm 0.24)\times 10^{-2}$$ and $$\frac{{\cal B}(\Xi_c^0\to \Lambda\phi)}{{\cal B}(\Xi^0_c\to\Xi^-\pi^+)}=(3.43\pm 0.58\pm 0.32)\times 10^{-2}$$, where the first uncertainty is statistical and the second is systematic.

Authors:
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Publication Date:
Research Org.:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1594511
Grant/Contract Number:  
SC0009973
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 88; Journal Issue: 7; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Chistov, R., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Bakich, A. M., Bala, A., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chekelian, V., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Cho, I. -S., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Danilov, M., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Gillard, R., Goh, Y. M., Golob, B., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Julius, T., Kah, D. H., Kang, J. H., Kato, E., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, Y. J., Kinoshita, K., Klucar, J., Ko, B. R., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, S. -H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Muramatsu, N., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Nayak, M., Nedelkovska, E., Ng, C., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Olsen, S. L., Oswald, C., Pakhlova, G., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Ritter, M., Röhrken, M., Rostomyan, A., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., 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., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Tatishvili, G., Teramoto, Y., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamaoka, J., Yamashita, Y., Yashchenko, S., Yook, Y., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. First observation of Cabibbo-suppressed Ξc0 decays. United States: N. p., 2013. Web. doi:10.1103/PhysRevD.88.071103.
Chistov, R., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Bakich, A. M., Bala, A., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chekelian, V., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Cho, I. -S., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Danilov, M., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Gillard, R., Goh, Y. M., Golob, B., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Julius, T., Kah, D. H., Kang, J. H., Kato, E., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, Y. J., Kinoshita, K., Klucar, J., Ko, B. R., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, S. -H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Muramatsu, N., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Nayak, M., Nedelkovska, E., Ng, C., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Olsen, S. L., Oswald, C., Pakhlova, G., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Ritter, M., Röhrken, M., Rostomyan, A., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., 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., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Tatishvili, G., Teramoto, Y., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamaoka, J., Yamashita, Y., Yashchenko, S., Yook, Y., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., & Zupanc, A. First observation of Cabibbo-suppressed Ξc0 decays. United States. https://doi.org/10.1103/PhysRevD.88.071103
Chistov, R., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Bakich, A. M., Bala, A., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chekelian, V., Chen, A., Chen, P., Cheon, B. G., Chilikin, K., Cho, I. -S., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Danilov, M., Doležal, Z., Drutskoy, A., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Feindt, M., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Gillard, R., Goh, Y. M., Golob, B., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Horii, Y., Hoshi, Y., Hou, W. -S., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Julius, T., Kah, D. H., Kang, J. H., Kato, E., Kawasaki, T., Kichimi, H., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, J. H., Kim, K. T., Kim, Y. J., Kinoshita, K., Klucar, J., Ko, B. R., Kodyš, P., Korpar, S., Križan, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, S. -H., Li, J., Li, Y., Libby, J., Liu, C., Liu, Y., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Mori, T., Muramatsu, N., Mussa, R., Nakano, E., Nakao, M., Natkaniec, Z., Nayak, M., Nedelkovska, E., Ng, C., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Olsen, S. L., Oswald, C., Pakhlova, G., Park, C. W., Park, H., Park, H. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Ritter, M., Röhrken, M., Rostomyan, A., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., 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., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Tatishvili, G., Teramoto, Y., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vahsen, S. E., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yabsley, B. D., Yamaoka, J., Yamashita, Y., Yashchenko, S., Yook, Y., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Thu . "First observation of Cabibbo-suppressed Ξc0 decays". United States. https://doi.org/10.1103/PhysRevD.88.071103. https://www.osti.gov/servlets/purl/1594511.
@article{osti_1594511,
title = {First observation of Cabibbo-suppressed Ξc0 decays},
author = {Chistov, R. and Adachi, I. and Aihara, H. and Asner, D. M. and Aulchenko, V. and Aushev, T. and Bakich, A. M. and Bala, A. and Bhardwaj, V. and Bhuyan, B. and Bondar, A. and Bonvicini, G. and Bozek, A. and Bračko, M. and Brodzicka, J. and Browder, T. E. and Chekelian, V. and Chen, A. and Chen, P. and Cheon, B. G. and Chilikin, K. and Cho, I. -S. and Cho, K. and Chobanova, V. and Choi, Y. and Cinabro, D. and Danilov, M. and Doležal, Z. and Drutskoy, A. and Dutta, D. and Eidelman, S. and Epifanov, D. and Farhat, H. and Fast, J. E. and Feindt, M. and Ferber, T. and Frey, A. and Gaur, V. and Gabyshev, N. and Ganguly, S. and Gillard, R. and Goh, Y. M. and Golob, B. and Haba, J. and Hara, T. and Hayasaka, K. and Hayashii, H. and Horii, Y. and Hoshi, Y. and Hou, W. -S. and Hyun, H. J. and Iijima, T. and Ishikawa, A. and Itoh, R. and Iwasaki, Y. and Julius, T. and Kah, D. H. and Kang, J. H. and Kato, E. and Kawasaki, T. and Kichimi, H. and Kiesling, C. and Kim, D. Y. and Kim, H. J. and Kim, J. B. and Kim, J. H. and Kim, K. T. and Kim, Y. J. and Kinoshita, K. and Klucar, J. and Ko, B. R. and Kodyš, P. and Korpar, S. and Križan, P. and Kumita, T. and Kuzmin, A. and Kwon, Y. -J. and Lange, J. S. and Lee, S. -H. and Li, J. and Li, Y. and Libby, J. and Liu, C. and Liu, Y. and Liventsev, D. and Lukin, P. and Matvienko, D. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Mohanty, G. B. and Moll, A. and Mori, T. and Muramatsu, N. and Mussa, R. and Nakano, E. and Nakao, M. and Natkaniec, Z. and Nayak, M. and Nedelkovska, E. and Ng, C. and Nishida, S. and Nitoh, O. and Ogawa, S. and Okuno, S. and Olsen, S. L. and Oswald, C. and Pakhlova, G. and Park, C. W. and Park, H. and Park, H. K. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Ritter, M. and Röhrken, M. and Rostomyan, A. and Sahoo, H. and Saito, T. and Sakai, K. and Sakai, Y. and Sandilya, S. and Santel, D. and Santelj, L. and Sanuki, T. and Savinov, V. and Schneider, O. and Schnell, G. and Schwanda, C. and Semmler, D. and Senyo, K. and Seon, O. and Sevior, M. E. and Shapkin, M. and Shen, C. P. and Shibata, T. -A. and Shiu, J. -G. and Shwartz, B. and Sibidanov, A. and Simon, F. and Sohn, Y. -S. and Sokolov, A. and Solovieva, E. and Starič, M. and Steder, M. and Sumihama, M. and Sumiyoshi, T. and Tamponi, U. and Tanida, K. and Tatishvili, G. and Teramoto, Y. and Uchida, M. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Usov, Y. and Vahsen, S. E. and Van Hulse, C. and Vanhoefer, P. and Varner, G. and Varvell, K. E. and Vinokurova, A. and Wagner, M. N. and Wang, C. H. and Wang, M. -Z. and Wang, P. and Wang, X. L. and Watanabe, Y. and Williams, K. M. and Won, E. and Yabsley, B. D. and Yamaoka, J. and Yamashita, Y. and Yashchenko, S. and Yook, Y. and Yusa, Y. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {We report the first observation of the Cabibbo-suppressed decays $\Xi^0_c$→$\Xi^-K^+$, $\Xi_c^0\to\Lambda K^+ K^-$ and $\Xi^0_c→ΛΦ$, using a data sample of 711 fb-1 collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We measure the ratios of branching fractions to be $\frac{{\cal B}(\Xi_c^0\to \Xi^- K^+)}{{\cal B}(\Xi^0_c\to\Xi^-\pi^+)}=(2.75\pm 0.51\pm 0.25)\times 10^{-2}$, $\frac{{\cal B}(\Xi_c^0\to\Lambda K^+ K^-)}{{\cal B}(\Xi_c^0\rightarrow\Xi^- \pi^+)}=(2.86\pm 0.61\pm 0.24)\times 10^{-2}$ and $\frac{{\cal B}(\Xi_c^0\to \Lambda\phi)}{{\cal B}(\Xi^0_c\to\Xi^-\pi^+)}=(3.43\pm 0.58\pm 0.32)\times 10^{-2}$, where the first uncertainty is statistical and the second is systematic.},
doi = {10.1103/PhysRevD.88.071103},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 7,
volume = 88,
place = {United States},
year = {Thu Oct 10 00:00:00 EDT 2013},
month = {Thu Oct 10 00:00:00 EDT 2013}
}

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