(p,2p) Reactions on 9–16C at 250 MeV/A

Kobayashi, Toshio; Ozeki, K.; Watanabe, Kôji; Matsuda, Y.; Seki, Yoko; Shinohara, T.; Miki, Toshikatsu; Naoi, Yuki; Otsu, H.; Ishimoto, S.; Suzuki, S.; Takahashi, Y.; Takada, E.

doi:10.1016/j.nuclphysa.2008.02.282

Cited by 26 publications

(19 citation statements)

References 7 publications

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“…[91] has been acceptance corrected using the cascade model, meaning that it is model dependent. The fully exclusive experiments in inverse kinematics as planned at the radioactive-beam facilities [8][9][10][11] will provide a full solid-angle coverage, and will thus be directly comparable to our predictions.…”

Section: Cross Sectionsmentioning

confidence: 54%

“…In the middle panel of Fig. 9 one sees that the part of the wave function probed in the 12 C( 11 Be, 10 Be) is again limited to the surface of the nucleus, beyond the orbital maximum density. On the other hand, the (p, pn) reaction has a much larger probability of accessing information on the inner part of the wave function, as seen by the dashed curve.…”

Section: Cross Sectionsmentioning

confidence: 92%

“…The possibility to detect all outgoing particles can provide a kinematically complete measurement of the reaction. At GSI, RIKEN, and other laboratories, experiments are being planned to study such effects more systematically and by applying a kinematically complete measurement of quasifree knockout reactions [8][9][10], and first pilot experiments were successful [10,11]. In order to extract the physics observables from the measured (p,2p) and (p,pn) cross sections, reaction theory plays a key role.…”

Section: Introductionmentioning

confidence: 99%

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Quasifree (p,2p) and (p,pn)

2013

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We study (p,2p) and (p,pn) reactions at proton energies in the range of 100 MeV-1 GeV. Our purpose is to explore the most sensitive observables in unpolarized reactions with inverse kinematics involving radioactive nuclei. We formulate a model based on the eikonal theory to describe total cross sections and momentum distributions of the recoiled residual nucleus. The model is similar to the one adopted for knockout reactions with heavy ions. We show that momentum distributions are sensitive to the angular momentum of the ejected nucleon which can be used as an spectroscopic tool. The total cross sections are sensitive to the nucleon separation energies and to multiple scattering effects. Our calculations also indicate that a beam energy around 500 MeV/nucleon has a smaller dependence on the anisotropy of the nucleon-nucleon elastic scattering.

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Section: Cross Sectionsmentioning

confidence: 54%

Section: Cross Sectionsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

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Quasifree (p,2p) and (p,pn)

2013

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“…[10]. There, results of (p,2p) measurements on the eight carbon isotopes [9][10][11][12][13][14][15][16] C are presented. The measurements provide empirical information about the mass-number dependence of the weakly bound and inner-shell protons.…”

Section: Introductionmentioning

confidence: 99%

“…The (p,2p) measurements of Ref. [10] are performed at energies of 250 MeV/A. Quasifree (p,2p) measurements for protons of several hundreds of MeV/A are part of the research program with high-energy heavy-ion beams at the accelerator complex FAIR [11].…”

Section: Introductionmentioning

confidence: 99%

Density dependence of quasifree single-nucleon knockout reactions

2011

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We address the issue of whether quasifree single-nucleon knockout measurements carry sufficient information about the nuclear interior. To this end, we present comparisons of the reaction probability densities for A(e,e p) and A (p,2p) in quasifree kinematics for the target nuclei 4 He, 12 C, 56 Fe, and 208 Pb. We adopt a comprehensive framework based on the impulse approximation and on a relativized extension of Glauber multiple-scattering reaction theory in which the medium effects related to short-range correlations (SRCs) are implemented. It is demonstrated that SRCs weaken the effect of attenuation. For light target nuclei, both the quasifree (p,2p) and (e,e p) can probe average densities of the same order as nuclear saturation density ρ 0 . For heavy nuclei such as 208 Pb, the probed average densities are smaller than 0.1ρ 0 and the (e,e p) reaction is far more efficient in probing the bulk regions than (p,2p).

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What Can We Learn from Transfer, and How Is Best to Do It?

Catford

2014

The Euroschool on Exotic Beams, Vol. IV

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An overview of the experimental aspects of nucleon transfer reactions with radioactive beams is presented, aimed principally at a researcher who is beginning their work in this area. Whilst the physics motivation and the means of theoretical interpretation are briefly described, the emphasis is on the experimental techniques and the quantities that can be measured. General features of the reactions which affect experimental design are highlighted and explained. A range of experimental choices for performing the experiments is described, and the reasons for making the different choices are rationalised and discussed. It is often useful to detect gamma-rays from electromagnetic transitions in the final nucleus, both to improve the precision and resolution of the excitation energy measurements and to assist in the identification of the observed levels. Several aspects related to gamma-ray detection and angular correlations are therefore included. The emphasis is on single-nucleon transfer reactions, and mostly on (d,p) transfer to produce nuclei that are more neutron-rich, but there are also brief discussions of other types of transfer reactions induced by both light ions and heavy ions.

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(p,2p) Reactions on 9–16C at 250 MeV/A

Cited by 26 publications

References 7 publications

Quasifree (p,2p) and (p,pn)

Quasifree (p,2p) and (p,pn)

Density dependence of quasifree single-nucleon knockout reactions

What Can We Learn from Transfer, and How Is Best to Do It?

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