High resolution beam line for the SHARAQ spectrometer

Kawabata, T.; Berg, G.P.A.; Kubo, T.; Sakai, H.; Shimoura, S.; Uesaka, T.

doi:10.1016/j.nimb.2008.05.026

Cited by 19 publications

(8 citation statements)

References 5 publications

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“…Especially when angular and energy straggling in the target are not a major concern, spectacular results can be achieved, even if in a reduced solid angle and momentum acceptance. Examples are the SPEG spectrometer [40] at GANIL (France), the WS -Grand Raiden [41] at RCNP -Osaka (Japan), and the new BigRIPS -SHARAQ [42] at RIKEN (Japan).…”

Section: The Use Of Correcting Lensesmentioning

confidence: 99%

The MAGNEX spectrometer: Results and perspectives

et al. 2016

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This article discusses the main achievements and future perspectives of the MAGNEX spectrometer at the INFN-LNS laboratory in Catania (Italy). MAGNEX is a large acceptance magnetic spectrometer for the detection of the ions emitted in nuclear collisions below Fermi energy. In the first part of the paper an overview of the MAGNEX features is presented. The successful application to the precise reconstruction of the momentum vector, to the identification of the ion masses and to the determination of the transport efficiency is demonstrated by in-beam tests. In the second part, an overview of the most relevant scientific achievements is given. Results from nuclear elastic and inelastic scattering as well as from transfer and charge exchange reactions in a wide range of masses of the colliding systems and incident energies are shown. The role of MAGNEX in solving old and new puzzles in nuclear structure and direct reaction mechanisms is emphasized. One example is the recently observed signature of the long searched Giant Pairing Vibration. Finally, the new challenging opportunities to use MAGNEX for future experiments are briefly reported. In particular, the use of double charge exchange reactions toward the determination of the nuclear matrix elements entering in the expression of the half-life of neutrinoless double beta decay is discussed. The new NUMEN project of INFN, aiming at these investigations, is introduced. The challenges connected to the major technical upgrade required by the project in order to investigate rare processes under high fluxes of detected heavy ions are outlined. Magnetic spectrometers in Nuclear Reaction studies .

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Section: The Use Of Correcting Lensesmentioning

confidence: 99%

The MAGNEX spectrometer: Results and perspectives

et al. 2016

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“…The highresolution beam line was designed to enable a dispersion-matched operation with the SHARAQ spectrometer [2], with which we can cancel effects originating from the beam momentum spread. FH9 have values of dispersion in the range of 1.9-22.6 m. A number placed on each quadrupole multiplet is a serial number of the element.…”

Section: High-resolution Beam Linementioning

confidence: 99%

“…Ten superconducting triplet quadrupole (STQ7-15 and 19) [4] and three normal conducting quadrupole magnets are used to transport the RI beams. In the figure, horizontal beam trajectories in the dispersion matched mode for the x F3 = ±3 mm, θ F3 = ±10 mrad, and δ = ±0.3% are shown, where x F3 , θ F3 , and δ indicate position, angular, and momentum deviations from the central ray at F3 [2].…”

Section: High-resolution Beam Linementioning

confidence: 99%

“…The high-resolution SHARAQ spectrometer [1] and the dedicated beam-line [2] have been constructed at RI Beam Factory for magnetic analyses of radioactive isotope (RI) beams and their reaction products. A missing mass spectroscopy with RI beam induced reactions used as new probes to atomic nuclei is planned with the ion-optical system: Single and double charge reactions with large positive Q-values, such as ( 12 N, 12 C) and ( 8 He, 8 Be) reactions are expected to be quite efficient in populating highly excited states in a recoil-less manner.…”

Section: Introductionmentioning

confidence: 99%

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High-resolution SHARAQ spectrometer at RI Beam Factory

Uesaka

Michimasa

Ota

et al. 2011

J. Phys.: Conf. Ser.

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Abstract. The high-resolution SHARAQ spectrometer and the dedicated beam-line have been constructed at the RI beam factory. Cathode-readout drift chambers placed at the focal plane of SHARAQ and multi-wire drift chambers in the beam-line worked satisfactorily for heavy ion beams with Z=1-7 at 200-250 MeV/nucleon. By introducing a dispersion matched operation of the beam-line, we have achieved a momentum resolution of ∆p/p = 1/8100 for a primary beam of 14 N beam with a momentum spread of ±0.1%.

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“…The SHARAQ 1 spectrometer [1,2] and High-Resolution Beamline [3] (HRB), which began operation in March 2009 at the RI beam Factory (RIBF), were constructed for aiming at highresolution spectroscopy with reactions induced by radioactive ions (RI's) at 100A-350A MeV using the missing-mass method and exploring new experimental techniques in the field of nuclear physics. The HRB is located at the downstream of BigRIPS [4], where RI beams are produced by fragmentation and/or fission reactions from a primary nuclear beam such as 238 U.…”

Section: Introductionmentioning

confidence: 99%

Sharaq Spectrometer: High-resolution Spectroscopy Using Exotic Beams And Reactions

Michimasa

Ota

Dozono

et al. 2017

Proceedings of the 26th International Nuclear Physics Conference — PoS(INPC2016)

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We introduce the recent development for increasing the performance of the SHARAQ spectrometer, which was operated at RI Beam Factory in RIKEN, Japan. The paper contains main achievements of our developments, which are detector developments, improvements of high-resolution performance at SHARAQ, and developments of new reaction probes to explore new kinds of nuclear responses. By using those new experimental technique, we recently performed various nuclear experiments at SHARAQ. We described here the preliminary results of the experiments together with their brief details.

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High resolution beam line for the SHARAQ spectrometer

Cited by 19 publications

References 5 publications

The MAGNEX spectrometer: Results and perspectives

The MAGNEX spectrometer: Results and perspectives

High-resolution SHARAQ spectrometer at RI Beam Factory

Sharaq Spectrometer: High-resolution Spectroscopy Using Exotic Beams And Reactions

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