Present status of secondary beam courses in HIMAC

Kanazawa, M.; Kitagawa, A.; Kouda, S.; Nishio, Teiji; Torikoshi, M.; Noda, K.; Murakami, Takeshi; Sato, Shinji; Suda, M.; Tomitani, Takehiro; Kanai, Tatsuaki; Futami, Yasuyuki; Shinbo, M.; Urakabe, E.; Iseki, Y.

doi:10.1016/j.nuclphysa.2004.09.083

Cited by 85 publications

(43 citation statements)

References 5 publications

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“…The solid line and the shaded band show the results of the least-squares fitting of the experimental data and the corresponding standard deviations, respectively (taken from [11]). σ cc obtained for 12 C and 20 Ne in the present energy range, but the calculations underestimate the data for 27 Al, 24 Mg, 36,40 Ar, and 56 Fe. A typical difference between the experimental and predicted σ cc values is ∼4%.…”

Section: Charge-changing Cross Sections -A New Approachcontrasting

confidence: 62%

“…Figures 1(a-f) show the applicability of the present method for stable nuclei with known charge radii. The experimental data for 12 C, 20 Ne, 27 Al, 24 Mg, 36,40 Ar, and 56 Fe on C were taken from Refs. [6][7][8][9][10], and the curves were calculated with the developed formula.…”

Section: Charge-changing Cross Sections -A New Approachmentioning

confidence: 99%

“…A series of experiments were carried out using the fragment separator at the Heavy Ion Medical Accelerator in Chiba (HIMAC) synchrotron facility at the National Institute of Radiological Sciences (NIRS) [12]. Since the charge radii of some of these unstable nuclei are precisely known already, the ratios of the experimental σ cc values to the calculated ones are obtained as a function of Z/N, as shown in Fig.…”

Section: Charge-changing Cross Sections -A New Approachmentioning

confidence: 99%

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Charge-changing interactions probing point-proton radii of nuclei

Yamaki

Kouno

Nishimura

et al. 2014

EPJ Web of Conferences

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Abstract. The question of whether charge-changing interactions can be used to probe point-proton radii of nuclei remains unanswered. Charge-changing cross sections, σ cc , were systematically investigated using stable and unstable nuclear beams of intermediateenergy. The ratios of the experimental σ cc values to the calculated ones obtained from a phenomenological Glauber-type model analysis are found to be nearly constant in a broad range of Z/N for light neutron-rich nuclei. This enables the determination of density distributions, i.e., the radii of protons tightly bound in nuclei. To test the applicability of the present method to all nuclei in the nuclear chart, extensive measurements were performed for medium-mass nuclei ranging from Z = 18 to 32. The present study suggests the potential capability of a new experimental approach for exploring exotic nuclei.

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Section: Charge-changing Cross Sections -A New Approachcontrasting

confidence: 62%

Section: Charge-changing Cross Sections -A New Approachmentioning

confidence: 99%

Section: Charge-changing Cross Sections -A New Approachmentioning

confidence: 99%

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Charge-changing interactions probing point-proton radii of nuclei

Yamaki

Kouno

Nishimura

et al. 2014

EPJ Web of Conferences

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“…The experiments were performed using the secondary beam line SB2 at HIMAC (Heavy Ion Medical Accelerator in Chiba), NIRS (National Institute of Radiological Sciences) [10]. The σ R data for 9−11 C beams on C and CH 2 targets were measured in the energy region of 50A -120A MeV.…”

Section: Methodsmentioning

confidence: 99%

Measurements of Reaction Cross Sections for ^9–11C

Nishizuka¹,

Takechi²,

Ohtsubo³

et al. 2017

Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016)

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In order to probe the differences of matter and charge radii of atomic nucleus in the proton-rich C isotopes, measurements of reaction cross sections (σ R ) for 9−11 C on proton targets in the energy range from 50 to 120A MeV were performed at HIMAC facility, NIRS. Owing to the large differences between proton-proton and proton-neutron scattering cross sections at this intermediate energy region, σ R data for atomic nuclei on proton targets are expected to have the sensitivity to the differences between proton and neutron distributions in the nucleus. Present preliminary data are compared with the Glauber calculation, which suggest the larger enhancements of proton distributions in 9 C and 10 C compared to 11 C.

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“…The experiment was performed using the secondary beam line of HIMAC [11] at NIRS (National Institute of Radiological Sciences). The schematic view of secondary beam line is shown in Fig.1.…”

Section: Setup and Beam Exposurementioning

confidence: 99%

Charge identification of highly ionizing particles in desensitized nuclear emulsion using high speed read-out system

Toshito

Kodama

Yusa

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

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Preprint submitted to Elsevier Science 1 November 2005 SLAC-PUB-11858We performed an experimental study of charge identification of heavy ions from helium to carbon having energy of about 290 MeV/u using an emulsion chamber.Emulsion was desensitized by means of forced fading (refreshing) to expand a dynamic range of response to highly charged particles. For the track reconstruction and charge identification, the fully automated high speed emulsion read-out system, which was originally developed for identifying minimum ionizing particles, was used without any modification. Clear track by track charge identification up to Z=6 was demonstrated. The refreshing technique has proved to be a powerful technique to expand response of emulsion film to highly ionizing particles.

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Present status of secondary beam courses in HIMAC

Cited by 85 publications

References 5 publications

Charge-changing interactions probing point-proton radii of nuclei

Charge-changing interactions probing point-proton radii of nuclei

Measurements of Reaction Cross Sections for ^9–11C

Charge identification of highly ionizing particles in desensitized nuclear emulsion using high speed read-out system

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Present status of secondary beam courses in HIMAC

Cited by 85 publications

References 5 publications

Charge-changing interactions probing point-proton radii of nuclei

Charge-changing interactions probing point-proton radii of nuclei

Measurements of Reaction Cross Sections for 9–11C

Charge identification of highly ionizing particles in desensitized nuclear emulsion using high speed read-out system

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Product

Resources

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Measurements of Reaction Cross Sections for ^9–11C