First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon:
Abstract
We report the first observation of the decay using a data sample collected by the Belle detector at the KEKB asymmetric-energy collider. This is the first observation of a doubly Cabibbo-suppressed decay of a charmed baryon. We measure the branching ratio of this decay with respect to its Cabibbo-favored counterpart to be , where the uncertainties are statistical and systematic, respectively.
- Authors:
- more »
- 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)
- Contributing Org.:
- Belle Collaboration
- OSTI Identifier:
- 1594387
- Alternate Identifier(s):
- OSTI ID: 1259585
- Report Number(s):
- PNNL-SA-120175
Journal ID: ISSN 0031-9007; PRLTAO; TRN: US2101593
- Grant/Contract Number:
- SC0009973
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 117; Journal Issue: 1; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Yang, S. B., Tanida, K., Kim, B. H., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Bhardwaj, V., Bhuyan, B., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gabyshev, N., Garmash, A., Gaur, V., Gillard, R., Goh, Y. M., Goldenzweig, P., Greenwald, D., Grygier, J., Haba, J., Hamer, P., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Katrenko, P., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kobayashi, N., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C. H., Li, H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Negishi, K., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Olsen, S. L., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Rauch, J., Ritter, M., Rostomyan, A., Ryu, S., Sahoo, H., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shebalin, V., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Stanič, S., Starič, M., Stypula, J., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Teramoto, Y., Trabelsi, K., Trusov, V., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yamaoka, J., Yashchenko, S., Ye, H., Yelton, J., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+→pK+π-. United States: N. p., 2016.
Web. doi:10.1103/PhysRevLett.117.011801.
Yang, S. B., Tanida, K., Kim, B. H., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Bhardwaj, V., Bhuyan, B., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gabyshev, N., Garmash, A., Gaur, V., Gillard, R., Goh, Y. M., Goldenzweig, P., Greenwald, D., Grygier, J., Haba, J., Hamer, P., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Katrenko, P., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kobayashi, N., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C. H., Li, H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Negishi, K., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Olsen, S. L., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Rauch, J., Ritter, M., Rostomyan, A., Ryu, S., Sahoo, H., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shebalin, V., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Stanič, S., Starič, M., Stypula, J., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Teramoto, Y., Trabelsi, K., Trusov, V., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yamaoka, J., Yashchenko, S., Ye, H., Yelton, J., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., & Zupanc, A. First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+→pK+π-. United States. https://doi.org/10.1103/PhysRevLett.117.011801
Yang, S. B., Tanida, K., Kim, B. H., Adachi, I., Aihara, H., Asner, D. M., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Bhardwaj, V., Bhuyan, B., Biswal, J., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gabyshev, N., Garmash, A., Gaur, V., Gillard, R., Goh, Y. M., Goldenzweig, P., Greenwald, D., Grygier, J., Haba, J., Hamer, P., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jeon, H. B., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Katrenko, P., Kiesling, C., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, M. J., Kim, S. H., Kim, S. K., Kim, Y. J., Kinoshita, K., Kobayashi, N., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, I. S., Li, C. H., Li, H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moll, A., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Negishi, K., Niiyama, M., Nisar, N. K., Nishida, S., Ogawa, S., Okuno, S., Olsen, S. L., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Pulvermacher, C., Rauch, J., Ritter, M., Rostomyan, A., Ryu, S., Sahoo, H., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schlüter, T., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Shebalin, V., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Stanič, S., Starič, M., Stypula, J., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Teramoto, Y., Trabelsi, K., Trusov, V., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Wang, X. L., Watanabe, Y., Williams, K. M., Won, E., Yamaoka, J., Yashchenko, S., Ye, H., Yelton, J., Yuan, C. Z., Yusa, Y., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Mon .
"First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+→pK+π-". United States. https://doi.org/10.1103/PhysRevLett.117.011801. https://www.osti.gov/servlets/purl/1594387.
@article{osti_1594387,
title = {First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λc+→pK+π-},
author = {Yang, S. B. and Tanida, K. and Kim, B. H. and Adachi, I. and Aihara, H. and Asner, D. M. and Aulchenko, V. and Aushev, T. and Babu, V. and Badhrees, I. and Bakich, A. M. and Barberio, E. and Bhardwaj, V. and Bhuyan, B. and Biswal, J. and Bonvicini, G. and Bozek, A. and Bračko, M. and Browder, T. E. and Červenkov, D. and Chekelian, V. and Chen, A. and Cheon, B. G. and Chilikin, K. and Chistov, R. and Cho, K. and Chobanova, V. and Choi, Y. and Cinabro, D. and Dalseno, J. and Danilov, M. and Dash, N. and Doležal, Z. and Drásal, Z. and Dutta, D. and Eidelman, S. and Farhat, H. and Fast, J. E. and Ferber, T. and Fulsom, B. G. and Gabyshev, N. and Garmash, A. and Gaur, V. and Gillard, R. and Goh, Y. M. and Goldenzweig, P. and Greenwald, D. and Grygier, J. and Haba, J. and Hamer, P. and Hara, T. and Hayasaka, K. and Hayashii, H. and Hou, W. -S. and Iijima, T. and Inami, K. and Inguglia, G. and Ishikawa, A. and Itoh, R. and Iwasaki, Y. and Jacobs, W. W. and Jaegle, I. and Jeon, H. B. and Joo, K. K. and Julius, T. and Kang, K. H. and Kato, E. and Katrenko, P. and Kiesling, C. and Kim, D. Y. and Kim, H. J. and Kim, J. B. and Kim, K. T. and Kim, M. J. and Kim, S. H. and Kim, S. K. and Kim, Y. J. and Kinoshita, K. and Kobayashi, N. and Kodyš, P. and Korpar, S. and Križan, P. and Krokovny, P. and Kuhr, T. and Kuzmin, A. and Kwon, Y. -J. and Lange, J. S. and Lee, I. S. and Li, C. H. and Li, H. and Li, L. and Li, Y. and Li Gioi, L. and Libby, J. and Liventsev, D. and Lubej, M. and Masuda, M. and Matvienko, D. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Mohanty, G. B. and Moll, A. and Moon, H. K. and Mussa, R. and Nakano, E. and Nakao, M. and Nanut, T. and Nath, K. J. and Nayak, M. and Negishi, K. and Niiyama, M. and Nisar, N. K. and Nishida, S. and Ogawa, S. and Okuno, S. and Olsen, S. L. and Pakhlova, G. and Pal, B. and Park, C. W. and Park, H. and Pedlar, T. K. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Pulvermacher, C. and Rauch, J. and Ritter, M. and Rostomyan, A. and Ryu, S. and Sahoo, H. and Sakai, Y. and Sandilya, S. and Santelj, L. and Sanuki, T. and Sato, Y. and Savinov, V. and Schlüter, T. and Schneider, O. and Schnell, G. and Schwanda, C. and Schwartz, A. J. and Seino, Y. and Senyo, K. and Seon, O. and Seong, I. S. and Sevior, M. E. and Shebalin, V. and Shibata, T. -A. and Shiu, J. -G. and Shwartz, B. and Simon, F. and Sohn, Y. -S. and Sokolov, A. and Stanič, S. and Starič, M. and Stypula, J. and Sumihama, M. and Sumiyoshi, T. and Takizawa, M. and Tamponi, U. and Teramoto, Y. and Trabelsi, K. and Trusov, V. and Uchida, M. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Usov, Y. and Vanhoefer, P. and Varner, G. and Varvell, K. E. and Vinokurova, A. and Vossen, 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 Yamaoka, J. and Yashchenko, S. and Ye, H. and Yelton, J. and Yuan, C. Z. and Yusa, Y. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {We report the first observation of the decay Λc+→pK+π- using a 980 fb-1 data sample collected by the Belle detector at the KEKB asymmetric-energy e+e- collider. This is the first observation of a doubly Cabibbo-suppressed decay of a charmed baryon. We measure the branching ratio of this decay with respect to its Cabibbo-favored counterpart to be B(Λc+→pK+π-)/B(Λc+→pK-π+)=(2.35±0.27±0.21)×10-3, where the uncertainties are statistical and systematic, respectively.},
doi = {10.1103/PhysRevLett.117.011801},
journal = {Physical Review Letters},
number = 1,
volume = 117,
place = {United States},
year = {Mon Jun 27 00:00:00 EDT 2016},
month = {Mon Jun 27 00:00:00 EDT 2016}
}
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