Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-

B. R. Ko; E. Won; H. Aihara; K. Arinstein; T. Aushev; A. M. Bakich; V. Balagura; E. Barberio; A. Bondar; A. Bozek; M. Bračko; J. Brodzicka; T. E. Browder; A. Chen; B. G. Cheon; I. S. Cho; Y. Choi; A. Drutskoy; W. Dungel; S. Eidelman; N. Gabyshev; P. Goldenzweig; B. Golob; H. Ha; J. Haba; B. Y. Han; K. Hayasaka; H. Hayashii; Y. Hoshi; W. S. Hou; H. J. Hyun; R. Itoh; M. Iwasaki; D. H. Kah; J. H. Kang; P. Kapusta; T. Kawasaki; H. Kichimi; H. J. Kim; H. O. Kim; S. K. Kim; Y. I. Kim; Y. J. Kim; K. Kinoshita; S. Korpar; P. Krokovny; A. Kuzmin; Y. J. Kwon; S. H. Kyeong; M. J. Lee; S. E. Lee; T. Lesiak; J. Li; A. Limosani; C. Liu; Y. Liu; D. Liventsev; R. Louvot; J. MacNaughton; F. Mandl; S. McOnie; T. Medvedeva; H. Miyata; Y. Miyazaki; E. Nakano; M. Nakao; Z. Natkaniec; S. Nishida; K. Nishimura; O. Nitoh; S. Ogawa; T. Ohshima; S. Okuno; H. Ozaki; P. Pakhlov; G. Pakhlova; H. Palka; C. W. Park; H. Park; H. K. Park; K. S. Park; R. Pestotnik; L. E. Piilonen; H. Sahoo; K. Sakai; Y. Sakai; O. Schneider; C. Schwanda; A. Sekiya; K. Senyo; M. E. Sevior; M. Shapkin; C. P. Shen; J. G. Shiu; B. Shwartz; S. Stanič; M. Starič; T. Sumiyoshi; M. Tanaka; G. N. Taylor; Y. Teramoto; K. Trebelsi; S. Uehara; K. Ueno; T. Uglov; Y. Unno; S. Uno; G. Varner; K. E. Varvell; K. Vervink; C. C. Wang; C. H. Wang; P. Wang; X. L. Wang; Y. Watanabe; R. Wedd; B. D. Yabsley; Y. Yamashita; Z. P. Zhang; V. Zhilich; T. Zivko; A. Zupanc; O. Zyukova

doi:10.1103/PhysRevLett.102.221802

Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-

B. R. Ko, E. Won, H. Aihara, K. Arinstein, T. Aushev, A. M. Bakich, V. Balagura, E. Barberio, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, A. Chen, B. G. Cheon, I. S. Cho, Y. Choi, A. Drutskoy, W. Dungel, S. EidelmanN. Gabyshev, P. Goldenzweig, B. Golob, H. Ha, J. Haba, B. Y. Han, K. Hayasaka, H. Hayashii, Y. Hoshi, W. S. Hou, H. J. Hyun, R. Itoh, M. Iwasaki, D. H. Kah, J. H. Kang, P. Kapusta, T. Kawasaki, H. Kichimi, H. J. Kim, H. O. Kim, S. K. Kim, Y. I. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, M. J. Lee, S. E. Lee, T. Lesiak, J. Li, A. Limosani, C. Liu, Y. Liu, D. Liventsev, R. Louvot, J. MacNaughton, F. Mandl, S. McOnie, T. Medvedeva, H. Miyata, Y. Miyazaki, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C. W. Park, H. Park, H. K. Park, K. S. Park, R. Pestotnik, L. E. Piilonen, H. Sahoo, K. Sakai, Y. Sakai, O. Schneider, C. Schwanda, A. Sekiya, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, J. G. Shiu, B. Shwartz, S. Stanič, M. Starič, T. Sumiyoshi, M. Tanaka, G. N. Taylor, Y. Teramoto, K. Trebelsi, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, G. Varner, K. E. Varvell, K. Vervink, C. C. Wang, C. H. Wang, P. Wang, X. L. Wang, Y. Watanabe, R. Wedd, B. D. Yabsley, Y. Yamashita, Z. P. Zhang, V. Zhilich, T. Zivko, A. Zupanc, O. Zyukova

Department of Physics

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Abstract

We report the first observation of the doubly Cabibbo-suppressed decay Ds+→K+K+π- using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching ratio with respect to its Cabibbo-favored counterpart B(Ds+→K+K+π-)/B(Ds+→K+K-π+) is (0.229±0.028±0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+→K+π+π-, with a branching ratio B(D+→K+π+π-)/B(D+→K-π+π+)=(0.569±0. 018±0.014)%.

Original language	English
Article number	221802
Journal	Physical review letters
Volume	102
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.102.221802
Publication status	Published - 2009 Jun 5

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.102.221802

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Ko, B. R., Won, E., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Bondar, A., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chen, A., Cheon, B. G., Cho, I. S., Choi, Y., Drutskoy, A., Dungel, W., ... Zyukova, O. (2009). Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-. Physical review letters, 102(22), [221802]. https://doi.org/10.1103/PhysRevLett.102.221802

@article{3f9ae18f3b364fb39599508724c18d71,

title = "Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-",

abstract = "We report the first observation of the doubly Cabibbo-suppressed decay Ds+→K+K+π- using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching ratio with respect to its Cabibbo-favored counterpart B(Ds+→K+K+π-)/B(Ds+→K+K-π+) is (0.229±0.028±0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+→K+π+π-, with a branching ratio B(D+→K+π+π-)/B(D+→K-π+π+)=(0.569±0. 018±0.014)%.",

author = "Ko, {B. R.} and E. Won and H. Aihara and K. Arinstein and T. Aushev and Bakich, {A. M.} and V. Balagura and E. Barberio and A. Bondar and A. Bozek and M. Bra{\v c}ko and J. Brodzicka and Browder, {T. E.} and A. Chen and Cheon, {B. G.} and Cho, {I. S.} and Y. Choi and A. Drutskoy and W. Dungel and S. Eidelman and N. Gabyshev and P. Goldenzweig and B. Golob and H. Ha and J. Haba and Han, {B. Y.} and K. Hayasaka and H. Hayashii and Y. Hoshi and Hou, {W. S.} and Hyun, {H. J.} and R. Itoh and M. Iwasaki and Kah, {D. H.} and Kang, {J. H.} and P. Kapusta and T. Kawasaki and H. Kichimi and Kim, {H. J.} and Kim, {H. O.} and Kim, {S. K.} and Kim, {Y. I.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Krokovny and A. Kuzmin and Kwon, {Y. J.} and Kyeong, {S. H.} and Lee, {M. J.} and Lee, {S. E.} and T. Lesiak and J. Li and A. Limosani and C. Liu and Y. Liu and D. Liventsev and R. Louvot and J. MacNaughton and F. Mandl and S. McOnie and T. Medvedeva and H. Miyata and Y. Miyazaki and E. Nakano and M. Nakao and Z. Natkaniec and S. Nishida and K. Nishimura and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and H. Ozaki and P. Pakhlov and G. Pakhlova and H. Palka and Park, {C. W.} and H. Park and Park, {H. K.} and Park, {K. S.} and R. Pestotnik and Piilonen, {L. E.} and H. Sahoo and K. Sakai and Y. Sakai and O. Schneider and C. Schwanda and A. Sekiya and K. Senyo and Sevior, {M. E.} and M. Shapkin and Shen, {C. P.} and Shiu, {J. G.} and B. Shwartz and S. Stani{\v c} and M. Stari{\v c} and T. Sumiyoshi and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and K. Trebelsi and S. Uehara and K. Ueno and T. Uglov and Y. Unno and S. Uno and G. Varner and Varvell, {K. E.} and K. Vervink and Wang, {C. C.} and Wang, {C. H.} and P. Wang and Wang, {X. L.} and Y. Watanabe and R. Wedd and Yabsley, {B. D.} and Y. Yamashita and Zhang, {Z. P.} and V. Zhilich and T. Zivko and A. Zupanc and O. Zyukova",

year = "2009",

month = jun,

day = "5",

doi = "10.1103/PhysRevLett.102.221802",

language = "English",

volume = "102",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "22",

}

Ko, BR, Won, E, Aihara, H, Arinstein, K, Aushev, T, Bakich, AM, Balagura, V, Barberio, E, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Browder, TE, Chen, A, Cheon, BG, Cho, IS, Choi, Y, Drutskoy, A, Dungel, W, Eidelman, S, Gabyshev, N, Goldenzweig, P, Golob, B, Ha, H, Haba, J, Han, BY, Hayasaka, K, Hayashii, H, Hoshi, Y, Hou, WS, Hyun, HJ, Itoh, R, Iwasaki, M, Kah, DH, Kang, JH, Kapusta, P, Kawasaki, T, Kichimi, H, Kim, HJ, Kim, HO, Kim, SK, Kim, YI, Kim, YJ, Kinoshita, K, Korpar, S, Krokovny, P, Kuzmin, A, Kwon, YJ, Kyeong, SH, Lee, MJ, Lee, SE, Lesiak, T, Li, J, Limosani, A, Liu, C, Liu, Y, Liventsev, D, Louvot, R, MacNaughton, J, Mandl, F, McOnie, S, Medvedeva, T, Miyata, H, Miyazaki, Y, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nishimura, K, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Ozaki, H, Pakhlov, P, Pakhlova, G, Palka, H, Park, CW, Park, H, Park, HK, Park, KS, Pestotnik, R, Piilonen, LE, Sahoo, H, Sakai, K, Sakai, Y, Schneider, O, Schwanda, C, Sekiya, A, Senyo, K, Sevior, ME, Shapkin, M, Shen, CP, Shiu, JG, Shwartz, B, Stanič, S, Starič, M, Sumiyoshi, T, Tanaka, M, Taylor, GN, Teramoto, Y, Trebelsi, K, Uehara, S, Ueno, K, Uglov, T, Unno, Y, Uno, S, Varner, G, Varvell, KE, Vervink, K, Wang, CC, Wang, CH, Wang, P, Wang, XL, Watanabe, Y, Wedd, R, Yabsley, BD, Yamashita, Y, Zhang, ZP, Zhilich, V, Zivko, T, Zupanc, A & Zyukova, O 2009, 'Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-', Physical review letters, vol. 102, no. 22, 221802. https://doi.org/10.1103/PhysRevLett.102.221802

TY - JOUR

T1 - Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-

AU - Ko, B. R.

AU - Won, E.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Balagura, V.

AU - Barberio, E.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Browder, T. E.

AU - Chen, A.

AU - Cheon, B. G.

AU - Cho, I. S.

AU - Choi, Y.

AU - Drutskoy, A.

AU - Dungel, W.

AU - Eidelman, S.

AU - Gabyshev, N.

AU - Goldenzweig, P.

AU - Golob, B.

AU - Ha, H.

AU - Haba, J.

AU - Han, B. Y.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hyun, H. J.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Kah, D. H.

AU - Kang, J. H.

AU - Kapusta, P.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, H. O.

AU - Kim, S. K.

AU - Kim, Y. I.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Krokovny, P.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Kyeong, S. H.

AU - Lee, M. J.

AU - Lee, S. E.

AU - Lesiak, T.

AU - Li, J.

AU - Limosani, A.

AU - Liu, C.

AU - Liu, Y.

AU - Liventsev, D.

AU - Louvot, R.

AU - MacNaughton, J.

AU - Mandl, F.

AU - McOnie, S.

AU - Medvedeva, T.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nishimura, K.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Palka, H.

AU - Park, C. W.

AU - Park, H.

AU - Park, H. K.

AU - Park, K. S.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sahoo, H.

AU - Sakai, K.

AU - Sakai, Y.

AU - Schneider, O.

AU - Schwanda, C.

AU - Sekiya, A.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shen, C. P.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Stanič, S.

AU - Starič, M.

AU - Sumiyoshi, T.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Trebelsi, K.

AU - Uehara, S.

AU - Ueno, K.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Varner, G.

AU - Varvell, K. E.

AU - Vervink, K.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanabe, Y.

AU - Wedd, R.

AU - Yabsley, B. D.

AU - Yamashita, Y.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zivko, T.

AU - Zupanc, A.

AU - Zyukova, O.

PY - 2009/6/5

Y1 - 2009/6/5

N2 - We report the first observation of the doubly Cabibbo-suppressed decay Ds+→K+K+π- using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching ratio with respect to its Cabibbo-favored counterpart B(Ds+→K+K+π-)/B(Ds+→K+K-π+) is (0.229±0.028±0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+→K+π+π-, with a branching ratio B(D+→K+π+π-)/B(D+→K-π+π+)=(0.569±0. 018±0.014)%.

AB - We report the first observation of the doubly Cabibbo-suppressed decay Ds+→K+K+π- using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching ratio with respect to its Cabibbo-favored counterpart B(Ds+→K+K+π-)/B(Ds+→K+K-π+) is (0.229±0.028±0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+→K+π+π-, with a branching ratio B(D+→K+π+π-)/B(D+→K-π+π+)=(0.569±0. 018±0.014)%.

UR - http://www.scopus.com/inward/record.url?scp=66749105081&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=66749105081&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.102.221802

DO - 10.1103/PhysRevLett.102.221802

M3 - Article

AN - SCOPUS:66749105081

SN - 0031-9007

VL - 102

JO - Physical Review Letters

JF - Physical Review Letters

IS - 22

M1 - 221802

ER -

Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π-

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