Search for the H dibaryon in (K-,K+) reaction with scintillating fiber active target

J. K. Ahn; S. Aoki; K. S. Chung; M. S. Chung; H. En'yo; T. Fukuda; H. Funahashi; Y. Goto; A. Higashi; M. Ieiri; T. Iijima; M. Iinuma; K. Imai; Y. Itow; J. M. Lee; S. Makino; A. Masaike; Y. Matsuda; Y. Matsuyama; S. Mihara; C. Nagoshi; I. Nomura; I. S. Park; N. Saito; M. Sekimoto; Y. M. Shin; K. S. Sim; R. Susukita; R. Takashima; F. Takeutchi; P. Tlustý; S. Weibe; S. Yokkaichi; K. Yoshida; M. Yoshida; T. Yoshida; S. Yamashita

doi:10.1016/0370-2693(96)00374-7

Search for the H dibaryon in (K^-,K⁺) reaction with scintillating fiber active target

J. K. Ahn, S. Aoki, K. S. Chung, M. S. Chung, H. En'yo, T. Fukuda, H. Funahashi, Y. Goto, A. Higashi, M. Ieiri, T. Iijima, M. Iinuma, K. Imai, Y. Itow, J. M. Lee, S. Makino, A. Masaike, Y. Matsuda, Y. Matsuyama, S. MiharaC. Nagoshi, I. Nomura, I. S. Park, N. Saito, M. Sekimoto, Y. M. Shin, K. S. Sim, R. Susukita, R. Takashima, F. Takeutchi, P. Tlustý, S. Weibe, S. Yokkaichi, K. Yoshida, M. Yoshida, T. Yoshida, S. Yamashita

Research output: Contribution to journal › Article › peer-review

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Abstract

We have studied (K^-,K⁺) reactions at P_K- = 1.66 GeV/c by using a newly developed active target made of plastic scintillating fibers. The H dibaryon (S = -2,I(J^π) = 0(0⁺)) has been searched for through the direct process. K^-+C→ K⁺ + H + X, by the analysis of the K⁺ momentum spectrum with the help of visual data of the scintillating fiber target. No evidence for the H production was observed. Upper limits for the differential cross section for the H production in the forward direction of the K⁺ is 0.04-0.6 μb/sr at the 90% confidence level for the H mass range from 1850 to 2215 MeV/c².

Original language	English
Pages (from-to)	53-58
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	378
Issue number	1-4
DOIs	https://doi.org/10.1016/0370-2693(96)00374-7
Publication status	Published - Jun 20 1996
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0370-2693(96)00374-7

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Ahn, J. K., Aoki, S., Chung, K. S., Chung, M. S., En'yo, H., Fukuda, T., Funahashi, H., Goto, Y., Higashi, A., Ieiri, M., Iijima, T., Iinuma, M., Imai, K., Itow, Y., Lee, J. M., Makino, S., Masaike, A., Matsuda, Y., Matsuyama, Y., ... Yamashita, S. (1996). Search for the H dibaryon in (K^-,K⁺) reaction with scintillating fiber active target. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 378(1-4), 53-58. https://doi.org/10.1016/0370-2693(96)00374-7

Ahn, JK, Aoki, S, Chung, KS, Chung, MS, En'yo, H, Fukuda, T, Funahashi, H, Goto, Y, Higashi, A, Ieiri, M, Iijima, T, Iinuma, M, Imai, K, Itow, Y, Lee, JM, Makino, S, Masaike, A, Matsuda, Y, Matsuyama, Y, Mihara, S, Nagoshi, C, Nomura, I, Park, IS, Saito, N, Sekimoto, M, Shin, YM, Sim, KS, Susukita, R, Takashima, R, Takeutchi, F, Tlustý, P, Weibe, S, Yokkaichi, S, Yoshida, K, Yoshida, M, Yoshida, T & Yamashita, S 1996, 'Search for the H dibaryon in (K^-,K⁺) reaction with scintillating fiber active target', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 378, no. 1-4, pp. 53-58. https://doi.org/10.1016/0370-2693(96)00374-7

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title = "Search for the H dibaryon in (K-,K+) reaction with scintillating fiber active target",

abstract = "We have studied (K-,K+) reactions at PK- = 1.66 GeV/c by using a newly developed active target made of plastic scintillating fibers. The H dibaryon (S = -2,I(Jπ) = 0(0+)) has been searched for through the direct process. K-+C→ K+ + H + X, by the analysis of the K+ momentum spectrum with the help of visual data of the scintillating fiber target. No evidence for the H production was observed. Upper limits for the differential cross section for the H production in the forward direction of the K+ is 0.04-0.6 μb/sr at the 90% confidence level for the H mass range from 1850 to 2215 MeV/c2.",

author = "Ahn, {J. K.} and S. Aoki and Chung, {K. S.} and Chung, {M. S.} and H. En'yo and T. Fukuda and H. Funahashi and Y. Goto and A. Higashi and M. Ieiri and T. Iijima and M. Iinuma and K. Imai and Y. Itow and Lee, {J. M.} and S. Makino and A. Masaike and Y. Matsuda and Y. Matsuyama and S. Mihara and C. Nagoshi and I. Nomura and Park, {I. S.} and N. Saito and M. Sekimoto and Shin, {Y. M.} and Sim, {K. S.} and R. Susukita and R. Takashima and F. Takeutchi and P. Tlust{\'y} and S. Weibe and S. Yokkaichi and K. Yoshida and M. Yoshida and T. Yoshida and S. Yamashita",

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month = jun,

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doi = "10.1016/0370-2693(96)00374-7",

language = "English",

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T1 - Search for the H dibaryon in (K-,K+) reaction with scintillating fiber active target

AU - Ahn, J. K.

AU - Aoki, S.

AU - Chung, K. S.

AU - Chung, M. S.

AU - En'yo, H.

AU - Fukuda, T.

AU - Funahashi, H.

AU - Goto, Y.

AU - Higashi, A.

AU - Ieiri, M.

AU - Iijima, T.

AU - Iinuma, M.

AU - Imai, K.

AU - Itow, Y.

AU - Lee, J. M.

AU - Makino, S.

AU - Masaike, A.

AU - Matsuda, Y.

AU - Matsuyama, Y.

AU - Mihara, S.

AU - Nagoshi, C.

AU - Nomura, I.

AU - Park, I. S.

AU - Saito, N.

AU - Sekimoto, M.

AU - Shin, Y. M.

AU - Sim, K. S.

AU - Susukita, R.

AU - Takashima, R.

AU - Takeutchi, F.

AU - Tlustý, P.

AU - Weibe, S.

AU - Yokkaichi, S.

AU - Yoshida, K.

AU - Yoshida, M.

AU - Yoshida, T.

AU - Yamashita, S.

PY - 1996/6/20

Y1 - 1996/6/20

N2 - We have studied (K-,K+) reactions at PK- = 1.66 GeV/c by using a newly developed active target made of plastic scintillating fibers. The H dibaryon (S = -2,I(Jπ) = 0(0+)) has been searched for through the direct process. K-+C→ K+ + H + X, by the analysis of the K+ momentum spectrum with the help of visual data of the scintillating fiber target. No evidence for the H production was observed. Upper limits for the differential cross section for the H production in the forward direction of the K+ is 0.04-0.6 μb/sr at the 90% confidence level for the H mass range from 1850 to 2215 MeV/c2.

AB - We have studied (K-,K+) reactions at PK- = 1.66 GeV/c by using a newly developed active target made of plastic scintillating fibers. The H dibaryon (S = -2,I(Jπ) = 0(0+)) has been searched for through the direct process. K-+C→ K+ + H + X, by the analysis of the K+ momentum spectrum with the help of visual data of the scintillating fiber target. No evidence for the H production was observed. Upper limits for the differential cross section for the H production in the forward direction of the K+ is 0.04-0.6 μb/sr at the 90% confidence level for the H mass range from 1850 to 2215 MeV/c2.

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U2 - 10.1016/0370-2693(96)00374-7

DO - 10.1016/0370-2693(96)00374-7

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SP - 53

EP - 58

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-4

ER -

Search for the H dibaryon in (K^-,K⁺) reaction with scintillating fiber active target

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