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Title: Search for Λ c + φ p π 0 and branching fraction measurement of Λ c + K - π + p π 0

Abstract

We have investigated the Cabibbo-suppressed decay Λ c + φ p π 0 in e + e - collisions using a data sample corresponding to an integrated luminosity of 915 fb - 1 . The data were collected by the Belle experiment at the KEKB e + e - asymmetric-energy collider running at or near the Υ ( 4 S ) and Υ ( 5 S ) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B ( Λ c + φ p π 0 ) < 15.3 × 10 - 5 at 90% confidence level. The contribution of nonresonant Λ c + K + K - p π 0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B ( Λ c + K + K - p π 0 ) NR < 6.3 × 10 - 5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay P s + φ p . We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B ( Λ c + P s + π 0 ) × B ( P s + φ p ) < 8.3 × 10 - 5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Λ c + K - π + p π 0 ; the result is B ( Λ c + K - π + p π 0 ) = ( 4.42 ± 0.05 ( stat ) ± 0.12 ( syst ) ± 0.16 ( norm ) ) % , which is the most decisive measurement to date.

Authors:
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Publication Date:
Research Org.:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
Contributing Org.:
Belle Collaboration
OSTI Identifier:
1594353
Alternate Identifier(s):
OSTI ID: 1394018
Grant/Contract Number:  
SC0009973; SC0010504
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 96; Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Pal, B., Schwartz, A. J., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Berger, M., Bhardwaj, V., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Cinabro, D., Dash, N., Di Carlo, S., Doležal, Z., Drásal, Z., Eidelman, S., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Goldenzweig, P., Guido, E., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Hsu, C. -L., Inami, K., Ishikawa, A., Itoh, R., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Karyan, G., Kato, Y., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, Y. J., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Krokovny, P., Kuhr, T., Kulasiri, R., Kwon, Y. -J., Li, C. H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pardi, S., Park, C. -S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Ritter, M., Rostomyan, A., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T. -A., Shiu, J. -G., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Uno, S., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, C. H., Wang, M. -Z., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Widmann, E., Won, E., Yamashita, Y., Ye, H., Yelton, J., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.. Search for Λc+→φpπ0 and branching fraction measurement of Λc+→K-π+pπ0. United States: N. p., 2017. Web. https://doi.org/10.1103/PhysRevD.96.051102.
Pal, B., Schwartz, A. J., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Berger, M., Bhardwaj, V., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Cinabro, D., Dash, N., Di Carlo, S., Doležal, Z., Drásal, Z., Eidelman, S., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Goldenzweig, P., Guido, E., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Hsu, C. -L., Inami, K., Ishikawa, A., Itoh, R., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Karyan, G., Kato, Y., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, Y. J., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Krokovny, P., Kuhr, T., Kulasiri, R., Kwon, Y. -J., Li, C. H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pardi, S., Park, C. -S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Ritter, M., Rostomyan, A., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T. -A., Shiu, J. -G., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Uno, S., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, C. H., Wang, M. -Z., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Widmann, E., Won, E., Yamashita, Y., Ye, H., Yelton, J., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., & Zupanc, A.. Search for Λc+→φpπ0 and branching fraction measurement of Λc+→K-π+pπ0. United States. https://doi.org/10.1103/PhysRevD.96.051102
Pal, B., Schwartz, A. J., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aushev, T., Ayad, R., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Berger, M., Bhardwaj, V., Biswal, J., Bobrov, A., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Cinabro, D., Dash, N., Di Carlo, S., Doležal, Z., Drásal, Z., Eidelman, S., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Goldenzweig, P., Guido, E., Hara, T., Hayasaka, K., Hayashii, H., Hou, W. -S., Hsu, C. -L., Inami, K., Ishikawa, A., Itoh, R., Jacobs, W. W., Jaegle, I., Jeon, H. B., Jia, S., Jin, Y., Joffe, D., Joo, K. K., Karyan, G., Kato, Y., Kim, D. Y., Kim, J. B., Kim, K. T., Kim, S. H., Kim, Y. J., Kinoshita, K., Kodyš, P., Korpar, S., Kotchetkov, D., Krokovny, P., Kuhr, T., Kulasiri, R., Kwon, Y. -J., Li, C. H., Li, L., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Luo, T., MacNaughton, J., Matvienko, D., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ogawa, S., Ono, H., Pakhlov, P., Pakhlova, G., Pardi, S., Park, C. -S., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Ritter, M., Rostomyan, A., Sakai, Y., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M. E., Shibata, T. -A., Shiu, J. -G., Simon, F., Sokolov, A., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Uchida, M., Uglov, T., Uno, S., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, C. H., Wang, M. -Z., Wang, X. L., Watanabe, M., Watanabe, Y., Watanuki, S., Widmann, E., Won, E., Yamashita, Y., Ye, H., Yelton, J., Yuan, C. Z., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., and Zupanc, A.. Fri . "Search for Λc+→φpπ0 and branching fraction measurement of Λc+→K-π+pπ0". United States. https://doi.org/10.1103/PhysRevD.96.051102. https://www.osti.gov/servlets/purl/1594353.
@article{osti_1594353,
title = {Search for Λc+→φpπ0 and branching fraction measurement of Λc+→K-π+pπ0},
author = {Pal, B. and Schwartz, A. J. and Adachi, I. and Aihara, H. and Al Said, S. and Asner, D. M. and Aushev, T. and Ayad, R. and Badhrees, I. and Bakich, A. M. and Bansal, V. and Behera, P. and Berger, M. and Bhardwaj, V. and Biswal, J. and Bobrov, A. 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 Cho, K. and Choi, S. -K. and Choi, Y. and Cinabro, D. and Dash, N. and Di Carlo, S. and Doležal, Z. and Drásal, Z. and Eidelman, S. and Ferber, T. and Fulsom, B. G. and Gaur, V. and Gabyshev, N. and Garmash, A. and Goldenzweig, P. and Guido, E. and Hara, T. and Hayasaka, K. and Hayashii, H. and Hou, W. -S. and Hsu, C. -L. and Inami, K. and Ishikawa, A. and Itoh, R. and Jacobs, W. W. and Jaegle, I. and Jeon, H. B. and Jia, S. and Jin, Y. and Joffe, D. and Joo, K. K. and Karyan, G. and Kato, Y. and Kim, D. Y. and Kim, J. B. and Kim, K. T. and Kim, S. H. and Kim, Y. J. and Kinoshita, K. and Kodyš, P. and Korpar, S. and Kotchetkov, D. and Krokovny, P. and Kuhr, T. and Kulasiri, R. and Kwon, Y. -J. and Li, C. H. and Li, L. and Li, Y. and Li Gioi, L. and Libby, J. and Liventsev, D. and Lubej, M. and Luo, T. and MacNaughton, J. and Matvienko, D. and Merola, M. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Mohanty, G. B. and Moon, H. K. and Mori, T. and Mussa, R. and Nakano, E. and Nakao, M. and Nanut, T. and Nath, K. J. and Nayak, M. and Niiyama, M. and Nishida, S. and Ogawa, S. and Ono, H. and Pakhlov, P. and Pakhlova, G. and Pardi, S. and Park, C. -S. and Paul, S. and Pedlar, T. K. and Pestotnik, R. and Piilonen, L. E. and Ritter, M. and Rostomyan, A. and Sakai, Y. and Sandilya, S. and Santelj, L. and Sanuki, T. and Savinov, V. and Schneider, O. and Schnell, G. and Schwanda, C. and Seino, Y. and Senyo, K. and Sevior, M. E. and Shibata, T. -A. and Shiu, J. -G. and Simon, F. and Sokolov, A. and Solovieva, E. and Starič, M. and Strube, J. F. and Sumihama, M. and Sumiyoshi, T. and Takizawa, M. and Tamponi, U. and Tanida, K. and Tenchini, F. and Uchida, M. and Uglov, T. and Uno, S. and Van Hulse, C. and Varner, G. and Varvell, K. E. and Vinokurova, A. and Vorobyev, V. and Wang, C. H. and Wang, M. -Z. and Wang, X. L. and Watanabe, M. and Watanabe, Y. and Watanuki, S. and Widmann, E. and Won, E. and Yamashita, Y. and Ye, H. and Yelton, J. and Yuan, C. Z. and Zhang, Z. P. and Zhilich, V. and Zhukova, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {We have investigated the Cabibbo-suppressed decay Λc+→φpπ0 in e+e- collisions using a data sample corresponding to an integrated luminosity of 915fb-1. The data were collected by the Belle experiment at the KEKB e+e- asymmetric-energy collider running at or near the Υ(4S) and Υ(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Λc+→φpπ0)<15.3×10-5 at 90% confidence level. The contribution of nonresonant Λc+→K+K-pπ0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(Λc+→K+K-pπ0)NR<6.3×10-5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay Ps+→φp. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(Λc+→Ps+π0)×B(Ps+→φp)<8.3×10-5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Λc+→K-π+pπ0; the result is B(Λc+→K-π+pπ0)=(4.42±0.05(stat)±0.12(syst)±0.16(norm))%, which is the most decisive measurement to date.},
doi = {10.1103/PhysRevD.96.051102},
journal = {Physical Review D},
number = 5,
volume = 96,
place = {United States},
year = {2017},
month = {9}
}

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    Works referencing / citing this record:

    Hidden strange pentaquark states in constituent quark models
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    Hidden-strange molecular states and the N ϕ bound states via a QCD van der Waals force
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