A study of charged D* production in e+ e- annihilation at an average center-of-mass energy of 58 GeV

F. Hinode, K. Abe, K. Amako, Y. Arai, Tatsumi Arima, Y. Asano, M. Chiba, Y. Chiba, M. Daigo, M. Fukawa, Y. Fukushima, J. Haba, Y. Hemmi, M. Higuchi, T. Hirose, Y. Homma, Y. Hoshi, N. Hosoda, N. Ishihara, N. KandaE. Kanatani, N. Kanematsu, J. Kanzaki, R. Kikuchi, T. T. Korhonen, T. Kondo, A. E. Krüger, H. Kurashige, J. MacNaughton, T. Matsui, M. Miura, K. Miyake, S. Mori, Y. Nagashima, T. Nakamura, I. Nakano, S. Odaka, T. Ogawa, T. Ohama, T. Ohsugi, A. Okamoto, A. Ono, T. Oyama, H. Ohyama, H. Sakamoto, M. Sakuda, M. Sato, N. Sato, M. Shioden, J. Shirai, M. Shirakata, T. Sumiyoshi, A. Suzuki, Y. Takada, H. Takaki, F. Takasaki, M. Takita, N. Tamura, K. Tobimatsu, T. Tsuboyama, S. Uehara, Y. Unno, M. Utsumi, Y. Watase, F. Yabuki, Y. Yamada, T. Yamagata, Y. Yonezawa, H. Yoshida

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Abstract

We have studied the production of charged D* mesons in e+ e- annihilation at an average center-of-mass energy of 58.0 GeV. Charged D* mesons were identified using two independent methods; the mass-difference method and the detection of the low transverse-momentum pion. The forward-backward asymmetry of the charm quark production was measured to be Ac= -0.61±0.13(stat.)±0.08(syst.). The cross section of inclusive D* production was found to be σ(e+ e-→D* ±+X) = 24.5 ± 5.3 (stat.)±3.0(syst.) pb. If we assume the standard model prediction for the charm quark production, we obtain the branching ratio for the charm quark to produce a charged D* meson to be Br(c→D*+ + X) = (22±5(stat.)±3(syst.))%.

Original languageEnglish
Pages (from-to)245-252
Number of pages8
JournalPhysics Letters B
Volume313
Issue number1-2
DOIs
Publication statusPublished - Aug 26 1993
Externally publishedYes

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center of mass
mesons
quarks
energy
transverse momentum
pions
asymmetry
cross sections
predictions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

A study of charged D* production in e+ e- annihilation at an average center-of-mass energy of 58 GeV. / Hinode, F.; Abe, K.; Amako, K.; Arai, Y.; Arima, Tatsumi; Asano, Y.; Chiba, M.; Chiba, Y.; Daigo, M.; Fukawa, M.; Fukushima, Y.; Haba, J.; Hemmi, Y.; Higuchi, M.; Hirose, T.; Homma, Y.; Hoshi, Y.; Hosoda, N.; Ishihara, N.; Kanda, N.; Kanatani, E.; Kanematsu, N.; Kanzaki, J.; Kikuchi, R.; Korhonen, T. T.; Kondo, T.; Krüger, A. E.; Kurashige, H.; MacNaughton, J.; Matsui, T.; Miura, M.; Miyake, K.; Mori, S.; Nagashima, Y.; Nakamura, T.; Nakano, I.; Odaka, S.; Ogawa, T.; Ohama, T.; Ohsugi, T.; Okamoto, A.; Ono, A.; Oyama, T.; Ohyama, H.; Sakamoto, H.; Sakuda, M.; Sato, M.; Sato, N.; Shioden, M.; Shirai, J.; Shirakata, M.; Sumiyoshi, T.; Suzuki, A.; Takada, Y.; Takaki, H.; Takasaki, F.; Takita, M.; Tamura, N.; Tobimatsu, K.; Tsuboyama, T.; Uehara, S.; Unno, Y.; Utsumi, M.; Watase, Y.; Yabuki, F.; Yamada, Y.; Yamagata, T.; Yonezawa, Y.; Yoshida, H.

In: Physics Letters B, Vol. 313, No. 1-2, 26.08.1993, p. 245-252.

Research output: Contribution to journalArticle

Hinode, F, Abe, K, Amako, K, Arai, Y, Arima, T, Asano, Y, Chiba, M, Chiba, Y, Daigo, M, Fukawa, M, Fukushima, Y, Haba, J, Hemmi, Y, Higuchi, M, Hirose, T, Homma, Y, Hoshi, Y, Hosoda, N, Ishihara, N, Kanda, N, Kanatani, E, Kanematsu, N, Kanzaki, J, Kikuchi, R, Korhonen, TT, Kondo, T, Krüger, AE, Kurashige, H, MacNaughton, J, Matsui, T, Miura, M, Miyake, K, Mori, S, Nagashima, Y, Nakamura, T, Nakano, I, Odaka, S, Ogawa, T, Ohama, T, Ohsugi, T, Okamoto, A, Ono, A, Oyama, T, Ohyama, H, Sakamoto, H, Sakuda, M, Sato, M, Sato, N, Shioden, M, Shirai, J, Shirakata, M, Sumiyoshi, T, Suzuki, A, Takada, Y, Takaki, H, Takasaki, F, Takita, M, Tamura, N, Tobimatsu, K, Tsuboyama, T, Uehara, S, Unno, Y, Utsumi, M, Watase, Y, Yabuki, F, Yamada, Y, Yamagata, T, Yonezawa, Y & Yoshida, H 1993, 'A study of charged D* production in e+ e- annihilation at an average center-of-mass energy of 58 GeV', Physics Letters B, vol. 313, no. 1-2, pp. 245-252. https://doi.org/10.1016/0370-2693(93)91220-H
Hinode, F. ; Abe, K. ; Amako, K. ; Arai, Y. ; Arima, Tatsumi ; Asano, Y. ; Chiba, M. ; Chiba, Y. ; Daigo, M. ; Fukawa, M. ; Fukushima, Y. ; Haba, J. ; Hemmi, Y. ; Higuchi, M. ; Hirose, T. ; Homma, Y. ; Hoshi, Y. ; Hosoda, N. ; Ishihara, N. ; Kanda, N. ; Kanatani, E. ; Kanematsu, N. ; Kanzaki, J. ; Kikuchi, R. ; Korhonen, T. T. ; Kondo, T. ; Krüger, A. E. ; Kurashige, H. ; MacNaughton, J. ; Matsui, T. ; Miura, M. ; Miyake, K. ; Mori, S. ; Nagashima, Y. ; Nakamura, T. ; Nakano, I. ; Odaka, S. ; Ogawa, T. ; Ohama, T. ; Ohsugi, T. ; Okamoto, A. ; Ono, A. ; Oyama, T. ; Ohyama, H. ; Sakamoto, H. ; Sakuda, M. ; Sato, M. ; Sato, N. ; Shioden, M. ; Shirai, J. ; Shirakata, M. ; Sumiyoshi, T. ; Suzuki, A. ; Takada, Y. ; Takaki, H. ; Takasaki, F. ; Takita, M. ; Tamura, N. ; Tobimatsu, K. ; Tsuboyama, T. ; Uehara, S. ; Unno, Y. ; Utsumi, M. ; Watase, Y. ; Yabuki, F. ; Yamada, Y. ; Yamagata, T. ; Yonezawa, Y. ; Yoshida, H. / A study of charged D* production in e+ e- annihilation at an average center-of-mass energy of 58 GeV. In: Physics Letters B. 1993 ; Vol. 313, No. 1-2. pp. 245-252.
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abstract = "We have studied the production of charged D* mesons in e+ e- annihilation at an average center-of-mass energy of 58.0 GeV. Charged D* mesons were identified using two independent methods; the mass-difference method and the detection of the low transverse-momentum pion. The forward-backward asymmetry of the charm quark production was measured to be Ac= -0.61±0.13(stat.)±0.08(syst.). The cross section of inclusive D* production was found to be σ(e+ e-→D* ±+X) = 24.5 ± 5.3 (stat.)±3.0(syst.) pb. If we assume the standard model prediction for the charm quark production, we obtain the branching ratio for the charm quark to produce a charged D* meson to be Br(c→D*+ + X) = (22±5(stat.)±3(syst.)){\%}.",
author = "F. Hinode and K. Abe and K. Amako and Y. Arai and Tatsumi Arima and Y. Asano and M. Chiba and Y. Chiba and M. Daigo and M. Fukawa and Y. Fukushima and J. Haba and Y. Hemmi and M. Higuchi and T. Hirose and Y. Homma and Y. Hoshi and N. Hosoda and N. Ishihara and N. Kanda and E. Kanatani and N. Kanematsu and J. Kanzaki and R. Kikuchi and Korhonen, {T. T.} and T. Kondo and Kr{\"u}ger, {A. E.} and H. Kurashige and J. MacNaughton and T. Matsui and M. Miura and K. Miyake and S. Mori and Y. Nagashima and T. Nakamura and I. Nakano and S. Odaka and T. Ogawa and T. Ohama and T. Ohsugi and A. Okamoto and A. Ono and T. Oyama and H. Ohyama and H. Sakamoto and M. Sakuda and M. Sato and N. Sato and M. Shioden and J. Shirai and M. Shirakata and T. Sumiyoshi and A. Suzuki and Y. Takada and H. Takaki and F. Takasaki and M. Takita and N. Tamura and K. Tobimatsu and T. Tsuboyama and S. Uehara and Y. Unno and M. Utsumi and Y. Watase and F. Yabuki and Y. Yamada and T. Yamagata and Y. Yonezawa and H. Yoshida",
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TY - JOUR

T1 - A study of charged D* production in e+ e- annihilation at an average center-of-mass energy of 58 GeV

AU - Hinode, F.

AU - Abe, K.

AU - Amako, K.

AU - Arai, Y.

AU - Arima, Tatsumi

AU - Asano, Y.

AU - Chiba, M.

AU - Chiba, Y.

AU - Daigo, M.

AU - Fukawa, M.

AU - Fukushima, Y.

AU - Haba, J.

AU - Hemmi, Y.

AU - Higuchi, M.

AU - Hirose, T.

AU - Homma, Y.

AU - Hoshi, Y.

AU - Hosoda, N.

AU - Ishihara, N.

AU - Kanda, N.

AU - Kanatani, E.

AU - Kanematsu, N.

AU - Kanzaki, J.

AU - Kikuchi, R.

AU - Korhonen, T. T.

AU - Kondo, T.

AU - Krüger, A. E.

AU - Kurashige, H.

AU - MacNaughton, J.

AU - Matsui, T.

AU - Miura, M.

AU - Miyake, K.

AU - Mori, S.

AU - Nagashima, Y.

AU - Nakamura, T.

AU - Nakano, I.

AU - Odaka, S.

AU - Ogawa, T.

AU - Ohama, T.

AU - Ohsugi, T.

AU - Okamoto, A.

AU - Ono, A.

AU - Oyama, T.

AU - Ohyama, H.

AU - Sakamoto, H.

AU - Sakuda, M.

AU - Sato, M.

AU - Sato, N.

AU - Shioden, M.

AU - Shirai, J.

AU - Shirakata, M.

AU - Sumiyoshi, T.

AU - Suzuki, A.

AU - Takada, Y.

AU - Takaki, H.

AU - Takasaki, F.

AU - Takita, M.

AU - Tamura, N.

AU - Tobimatsu, K.

AU - Tsuboyama, T.

AU - Uehara, S.

AU - Unno, Y.

AU - Utsumi, M.

AU - Watase, Y.

AU - Yabuki, F.

AU - Yamada, Y.

AU - Yamagata, T.

AU - Yonezawa, Y.

AU - Yoshida, H.

PY - 1993/8/26

Y1 - 1993/8/26

N2 - We have studied the production of charged D* mesons in e+ e- annihilation at an average center-of-mass energy of 58.0 GeV. Charged D* mesons were identified using two independent methods; the mass-difference method and the detection of the low transverse-momentum pion. The forward-backward asymmetry of the charm quark production was measured to be Ac= -0.61±0.13(stat.)±0.08(syst.). The cross section of inclusive D* production was found to be σ(e+ e-→D* ±+X) = 24.5 ± 5.3 (stat.)±3.0(syst.) pb. If we assume the standard model prediction for the charm quark production, we obtain the branching ratio for the charm quark to produce a charged D* meson to be Br(c→D*+ + X) = (22±5(stat.)±3(syst.))%.

AB - We have studied the production of charged D* mesons in e+ e- annihilation at an average center-of-mass energy of 58.0 GeV. Charged D* mesons were identified using two independent methods; the mass-difference method and the detection of the low transverse-momentum pion. The forward-backward asymmetry of the charm quark production was measured to be Ac= -0.61±0.13(stat.)±0.08(syst.). The cross section of inclusive D* production was found to be σ(e+ e-→D* ±+X) = 24.5 ± 5.3 (stat.)±3.0(syst.) pb. If we assume the standard model prediction for the charm quark production, we obtain the branching ratio for the charm quark to produce a charged D* meson to be Br(c→D*+ + X) = (22±5(stat.)±3(syst.))%.

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U2 - 10.1016/0370-2693(93)91220-H

DO - 10.1016/0370-2693(93)91220-H

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VL - 313

SP - 245

EP - 252

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

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

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IS - 1-2

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