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Title: Measurements of the masses and widths of the Σ c ( 2455 ) 0 / + + and Σ c ( 2520 ) 0 / + + baryons

Abstract

Here, we highlight measurements of the masses and decay widths of the baryonic states Σ c ( 2455 ) 0 / + + and Σ c ( 2520 ) 0 / + + using a data sample corresponding to an integrated luminosity of 711 fb - 1 collected with the Belle detector at the KEKB e + e - asymmetric-energy collider operating at the Υ ( 4 S ) resonance. We report the mass differences with respect to the Λ c + baryon M ( Σ c ( 2455 ) 0 ) - M ( Λ c + ) = 167.29 ± 0.01 ± 0.02 MeV / c 2 , M ( Σ c ( 2455 ) + + ) - M ( Λ c + ) = 167.51 ± 0.01 ± 0.02 MeV / c 2 , M ( Σ c ( 2520 ) 0 ) - M ( Λ c + ) = 231.98 ± 0.11 ± 0.04 MeV / c 2 , M ( Σ c ( 2520 ) + + ) - M ( Λ c + ) = 231.99 ± 0.10 ± 0.02 MeV / c 2 , and the decay widths Γ ( Σ c ( 2455 ) 0 ) = 1.76 ± 0.0 4 - 0.21 + 0.09 MeV / c 2 , Γ ( Σ c ( 2455 ) + + ) = 1.84 ± 0.0 4 - 0.20 + 0.07 MeV / c 2 , Γ ( Σ c ( 2520 ) 0 ) = 15.41 ± 0.4 1 - 0.32 + 0.20 MeV / c 2 , Γ ( Σ c ( 2520 ) + + ) = 14.77 ± 0.2 5 - 0.30 + 0.18 MeV / c 2 , where the first uncertainties are statistical and the second are systematic. The isospin mass splittings are measured to be M ( Σ c ( 2455 ) + + ) - M ( Σ c ( 2455 ) 0 ) = 0.22 ± 0.01 ± 0.01 MeV / c 2 and M ( Σ c ( 2520 ) + + ) - M ( Σ c ( 2520 ) 0 ) = 0.01 ± 0.15 ± 0.03 MeV / c 2 . These results are the most precise to date.

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); National Natural Science Foundation of China (NNSFC)
Contributing Org.:
Belle Collaboration
OSTI Identifier:
1594439
Grant/Contract Number:  
SC0009973
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 89; Journal Issue: 9; 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

Lee, S. -H., Ko, B. R., Won, E., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Bakich, A. M., Bala, A., Bansal, V., Bhardwaj, V., Bhuyan, B., Bonvicini, G., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Doležal, Z., Drásal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gillard, R., Goh, Y. M., Golob, B., Hayashii, H., He, X. H., Hoshi, Y., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Iwashita, T., Jaegle, I., Julius, T., Kang, J. H., Kato, Y., Kawasaki, T., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, M. J., Kinoshita, K., Klucar, J., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kumita, T., Kwon, Y. -J., Lange, J. S., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Matvienko, D., Miyabayashi, K., Miyata, H., Moll, A., Mori, T., Mussa, R., Nagasaka, Y., Nakano, E., Nakao, M., Nayak, M., Nedelkovska, E., Nisar, N. K., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Pakhlov, P., Pakhlova, G., Park, H. K., Pedlar, T. K., Peng, T., Pestotnik, R., Petrič, M., Piilonen, L. E., Poluektov, A., Ribežl, E., Ritter, M., Röhrken, M., Rostomyan, A., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sato, Y., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Sibidanov, A., Sohn, Y. -S., Solovieva, E., Stanič, S., Starič, M., Steder, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Williams, K. M., Yamashita, Y., Yashchenko, S., Yook, Y., Yuan, C. Z., Zhilich, V., Zhulanov, V., and Zupanc, A. Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons. United States: N. p., 2014. Web. doi:10.1103/PhysRevD.89.091102.
Lee, S. -H., Ko, B. R., Won, E., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Bakich, A. M., Bala, A., Bansal, V., Bhardwaj, V., Bhuyan, B., Bonvicini, G., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Doležal, Z., Drásal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gillard, R., Goh, Y. M., Golob, B., Hayashii, H., He, X. H., Hoshi, Y., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Iwashita, T., Jaegle, I., Julius, T., Kang, J. H., Kato, Y., Kawasaki, T., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, M. J., Kinoshita, K., Klucar, J., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kumita, T., Kwon, Y. -J., Lange, J. S., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Matvienko, D., Miyabayashi, K., Miyata, H., Moll, A., Mori, T., Mussa, R., Nagasaka, Y., Nakano, E., Nakao, M., Nayak, M., Nedelkovska, E., Nisar, N. K., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Pakhlov, P., Pakhlova, G., Park, H. K., Pedlar, T. K., Peng, T., Pestotnik, R., Petrič, M., Piilonen, L. E., Poluektov, A., Ribežl, E., Ritter, M., Röhrken, M., Rostomyan, A., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sato, Y., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Sibidanov, A., Sohn, Y. -S., Solovieva, E., Stanič, S., Starič, M., Steder, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Williams, K. M., Yamashita, Y., Yashchenko, S., Yook, Y., Yuan, C. Z., Zhilich, V., Zhulanov, V., & Zupanc, A. Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons. United States. doi:10.1103/PhysRevD.89.091102.
Lee, S. -H., Ko, B. R., Won, E., Abdesselam, A., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Ayad, R., Bakich, A. M., Bala, A., Bansal, V., Bhardwaj, V., Bhuyan, B., Bonvicini, G., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Doležal, Z., Drásal, Z., Drutskoy, A., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Frey, A., Gaur, V., Gabyshev, N., Ganguly, S., Garmash, A., Gillard, R., Goh, Y. M., Golob, B., Hayashii, H., He, X. H., Hoshi, Y., Hyun, H. J., Iijima, T., Ishikawa, A., Itoh, R., Iwasaki, Y., Iwashita, T., Jaegle, I., Julius, T., Kang, J. H., Kato, Y., Kawasaki, T., Kiesling, C., Kim, B. H., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, M. J., Kinoshita, K., Klucar, J., Kodyš, P., Korpar, S., Križan, P., Krokovny, P., Kuhr, T., Kumita, T., Kwon, Y. -J., Lange, J. S., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Matvienko, D., Miyabayashi, K., Miyata, H., Moll, A., Mori, T., Mussa, R., Nagasaka, Y., Nakano, E., Nakao, M., Nayak, M., Nedelkovska, E., Nisar, N. K., Nishida, S., Nitoh, O., Ogawa, S., Okuno, S., Pakhlov, P., Pakhlova, G., Park, H. K., Pedlar, T. K., Peng, T., Pestotnik, R., Petrič, M., Piilonen, L. E., Poluektov, A., Ribežl, E., Ritter, M., Röhrken, M., Rostomyan, A., Ryu, S., Sahoo, H., Saito, T., Sakai, K., Sakai, Y., Sandilya, S., Santel, D., Santelj, L., Sanuki, T., Sato, Y., Schneider, O., Schnell, G., Schwanda, C., Semmler, D., Senyo, K., Seon, O., Sevior, M. E., Shapkin, M., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Sibidanov, A., Sohn, Y. -S., Solovieva, E., Stanič, S., Starič, M., Steder, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Trabelsi, K., Uchida, M., Uehara, S., Uglov, T., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Varvell, K. E., Vinokurova, A., Wagner, M. N., Wang, C. H., Wang, P., Watanabe, M., Watanabe, Y., Williams, K. M., Yamashita, Y., Yashchenko, S., Yook, Y., Yuan, C. Z., Zhilich, V., Zhulanov, V., and Zupanc, A. Thu . "Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons". United States. doi:10.1103/PhysRevD.89.091102. https://www.osti.gov/servlets/purl/1594439.
@article{osti_1594439,
title = {Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons},
author = {Lee, S. -H. and Ko, B. R. and Won, E. and Abdesselam, A. and Adachi, I. and Aihara, H. and Asner, D. M. and Aushev, T. and Ayad, R. and Bakich, A. M. and Bala, A. and Bansal, V. and Bhardwaj, V. and Bhuyan, B. and Bonvicini, G. and Bozek, A. and Browder, T. E. and Červenkov, D. and Chen, A. and Cheon, B. G. and Chistov, R. and Cho, K. and Chobanova, V. and Choi, S. -K. and Choi, Y. and Cinabro, D. and Dalseno, J. and Danilov, M. and Doležal, Z. and Drásal, Z. and Drutskoy, A. and Eidelman, S. and Epifanov, D. and Farhat, H. and Fast, J. E. and Ferber, T. and Frey, A. and Gaur, V. and Gabyshev, N. and Ganguly, S. and Garmash, A. and Gillard, R. and Goh, Y. M. and Golob, B. and Hayashii, H. and He, X. H. and Hoshi, Y. and Hyun, H. J. and Iijima, T. and Ishikawa, A. and Itoh, R. and Iwasaki, Y. and Iwashita, T. and Jaegle, I. and Julius, T. and Kang, J. H. and Kato, Y. and Kawasaki, T. and Kiesling, C. and Kim, B. H. and Kim, D. Y. and Kim, J. B. and Kim, J. H. and Kim, M. J. and Kinoshita, K. and Klucar, J. and Kodyš, P. and Korpar, S. and Križan, P. and Krokovny, P. and Kuhr, T. and Kumita, T. and Kwon, Y. -J. and Lange, J. S. and Li, Y. and Li Gioi, L. and Libby, J. and Liventsev, D. and Matvienko, D. and Miyabayashi, K. and Miyata, H. and Moll, A. and Mori, T. and Mussa, R. and Nagasaka, Y. and Nakano, E. and Nakao, M. and Nayak, M. and Nedelkovska, E. and Nisar, N. K. and Nishida, S. and Nitoh, O. and Ogawa, S. and Okuno, S. and Pakhlov, P. and Pakhlova, G. and Park, H. K. and Pedlar, T. K. and Peng, T. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Poluektov, A. and Ribežl, E. and Ritter, M. and Röhrken, M. and Rostomyan, A. and Ryu, S. 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 Sato, Y. 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 Shebalin, V. and Shen, C. P. and Shibata, T. -A. and Shiu, J. -G. and Sibidanov, A. and Sohn, Y. -S. and Solovieva, E. and Stanič, S. and Starič, M. and Steder, M. and Sumihama, M. and Sumiyoshi, T. and Tamponi, U. and Tanida, K. and Teramoto, Y. and Trabelsi, K. and Uchida, M. and Uehara, S. and Uglov, T. and Uno, S. 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, P. and Watanabe, M. and Watanabe, Y. and Williams, K. M. and Yamashita, Y. and Yashchenko, S. and Yook, Y. and Yuan, C. Z. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {Here, we highlight measurements of the masses and decay widths of the baryonic states Σc(2455)0/++ and Σc(2520)0/++ using a data sample corresponding to an integrated luminosity of 711 fb-1 collected with the Belle detector at the KEKB e+e- asymmetric-energy collider operating at the Υ(4S) resonance. We report the mass differences with respect to the Λc+ baryon M(Σc(2455)0)-M(Λc+)=167.29±0.01±0.02MeV/c2,M(Σc(2455)++)-M(Λc+)=167.51±0.01±0.02MeV/c2,M(Σc(2520)0)-M(Λc+)=231.98±0.11±0.04MeV/c2,M(Σc(2520)++)-M(Λc+)=231.99±0.10±0.02MeV/c2,and the decay widths Γ(Σc(2455)0)=1.76±0.04-0.21+0.09MeV/c2,Γ(Σc(2455)++)=1.84±0.04-0.20+0.07MeV/c2,Γ(Σc(2520)0)=15.41±0.41-0.32+0.20MeV/c2,Γ(Σc(2520)++)=14.77±0.25-0.30+0.18MeV/c2,where the first uncertainties are statistical and the second are systematic. The isospin mass splittings are measured to be M(Σc(2455)++)-M(Σc(2455)0)=0.22±0.01±0.01MeV/c2 and M(Σc(2520)++)-M(Σc(2520)0)=0.01±0.15±0.03MeV/c2. These results are the most precise to date.},
doi = {10.1103/PhysRevD.89.091102},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 9,
volume = 89,
place = {United States},
year = {2014},
month = {5}
}

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