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, Takahiro; Asano, Y.; Chiba, M.; Chiba, Yasuo; Daigo, M.; Fukawa, M.; Fukushima, Y.; Haba, J.; Hemmi, Y.; Higuchi, M.; Hirose, T.; Homma, Y.; Hoshi, Y.; Hosoda, N.; Ishihara, N.; Kanda, Nobuyuki; Kanatani, E.; Kanematsu, Nobuyuki; Kanzaki, J.; Kikuchi, R.; Korhonen, T.; Kondo, T.; Krüger, A.; Kurashige, H.; MacNaughton, J.; Matsui, Takayuki; Miura, Makoto; Miyake, K.; Mori, Shigeki; Nagashima, Y.; Nakamura, T.; Nakano, I.; Ogawa, T.; Ohama, T.; Ohsugi, T.; Okamoto, Atsushi; Ono, A.; Oyama, Takashi; Ohyama, H.; Sakamoto, H.; Sakuda, M.; Sato, Minoru; Sato, Nobuaki; Shioden, M.; Shirai, J.; Shirakata, M.; Sumiyoshi, T.; Suzuki, A.; Takada, Yoshihisa; 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, Yasushige; Yoshida, Hajime

doi:10.1016/0370-2693(93)91220-h

Cited by 8 publications

(5 citation statements)

References 39 publications

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“…The second criteria of the selection is the precision of the measured quantities: the measurements in e + e − collisions with √ s = 12 − 90 GeV from MARK-II [44], HRS [45][46][47][48][49], TPC [50], TASSO [51,52], JADE [53,54], VENUS [55] and some other experiments have very limited precision and are not used for the global combination.…”

Section: Selection Of Measurements For the Extraction Of Fragmentatiomentioning

confidence: 99%

Combined analysis of charm-quark fragmentation-fraction measurements

2016

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A summary of measurements of the fragmentation of charm quarks into a specific hadron is given. Measurements performed in photoproduction and deep inelastic scattering in e ± p, pp and e + e − collisions are compared, using up-to-date branching ratios. Within uncertainties, all measurements agree, supporting the hypothesis that fragmentation is independent of the specific production process. Averages of the fragmentation fractions over all measurements are presented. The average has significantly reduced uncertainties compared to individual measurements.

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Section: Selection Of Measurements For the Extraction Of Fragmentatiomentioning

confidence: 99%

Combined analysis of charm-quark fragmentation-fraction measurements

2016

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show abstract

Section: Selection Of Measurements For the Extraction Of Fragmentatiomentioning

confidence: 99%

“…TPC [50], TASSO [51,52], JADE [53,54], VENUS [55] and some other experiments have very limited precision and are not used for the global combination.…”

Section: Selection Of Measurements For the Extraction Of Fragmentatio...mentioning

confidence: 99%

Combined analysis of charm-quark fragmentation-fraction measurements

Lisovyi

Verbytskyi

Zenaiev³

2016

EPJ Web of Conferences

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Abstract. A summary of measurements of the fragmentation of charm quarks into a specific hadron is given. Measurements performed in photoproduction and deep inelastic scattering in e ± p, pp and e + e − collisions are compared, using up-to-date branching ratios. Within uncertainties, all measurements agree, supporting the hypothesis that fragmentation is independent of the specific production process. Averages of the fragmentation fractions over all measurements are presented. The average has significantly reduced uncertainties compared to individual measurements.

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“…The obtained forward-backward asymmetry for charm-quark pair production is plotted in Fig. 5 together with other experimental data [2,4,5,6,15].…”

Section: Systematic Errorsmentioning

confidence: 78%

“…4974GeV, and sin 2 θ W = 0.2321 [2]. The A b F B is, however, reduced by the B-B mixing, whose probability χ is given by [4,5,6] and A b F B [7,8,9,5,10] have been…”

Section: Introductionmentioning

confidence: 99%

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at with electron tagging

Nakano¹,

Enomoto²,

Iwasaki³

et al. 1994

Physics Letters B

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We have measured, with electron tagging, the forward-backward asymmetries of charm-and bottom-quark pair productions at √ s =58.01GeV, based on 23,783 hadronic events selected from a data sample of 197pb −1 taken with the TOPAZ detector at TRISTAN. The measured forward-backward asymmetries are A c F B = −0.49±0.20(stat.)±0.08(sys.) and A b F B = −0.64±0.35(stat.)±0.13(sys.), which are consistent with the standard model predictions.

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

Cited by 8 publications

References 39 publications

Combined analysis of charm-quark fragmentation-fraction measurements

Combined analysis of charm-quark fragmentation-fraction measurements

Combined analysis of charm-quark fragmentation-fraction measurements

Measurement of the forward-backward asymmetries for charm- and bottom-quark pair productions at with electron tagging

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