Spin and parity assignments for 35Cl levels from the 31P(α, p)34S reaction

Schier, W.A.; Barnes, B.K.; Couchell, G.P.; Egan, J. J.; Harihar, P.; Mathur, S.C.; Mittler, A.; Sheldon, Eric

doi:10.1016/0375-9474(75)90583-7

Cited by 19 publications

(9 citation statements)

References 12 publications

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“…40 together with a StM calculation. As expected, at higher energies the (α,p 0 ) data of [105] are below the theoretical estimate whereas at low energies there is -on average -reasonable agreement between theory and experiment. At lower energies resonance [105,107]: the differential cross sections (dσ/dΩ) at ϑ = 105…”

Section: 22supporting

confidence: 75%

“…2. As no spectrum is shown in [105], it is not possible to determine the contributions of higher-lying proton groups from this experiment. However, at low energies close above the threshold the p 0 channel should be dominating.…”

Section: 22mentioning

confidence: 94%

“…40 and 41. In addition, five data points from a re-analysis of the elastic scattering data of Schier et al [105] are shown which have been measured simultaneously with the (α,p 0 ) cross section. However, this re-analysis is hampered by the limited number of data points in the angular distributions which had to be re-digitized from Fig.…”

Section: 22mentioning

confidence: 99%

“…Experimental data for the 31 P(α,p 0 ) 34 S reaction have been measured by Schier el al. [105]. Two excitation functions at ϑ = 105 • and 155 • are shown in their Fig.…”

Section: Smentioning

confidence: 99%

“…However, this re-analysis is hampered by the limited number of data points in the angular distributions which had to be re-digitized from Fig. 1 of [105]. As four of the five angular distributions in Fig.…”

Section: Smentioning

confidence: 99%

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Cross sections of α-induced reactions for targets with masses A ≈ 20–50 at low energies

Mohr

2015

Eur. Phys. J. A

100

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Abstract. A simple reduction scheme using so-called reduced energies E red and reduced cross sections σ red allows the comparison of heavy-ion induced reaction cross sections for a broad range of masses of projectile and target and over a wide energy range. A global behavior has been found for strongly bound projectiles whereas much larger reduced cross sections have been observed for weakly bound and halo projectiles. It has been shown that this simple reduction scheme works also well for α-particle induced reactions on heavy target nuclei, but very recently significant deviations have been seen for α+ 33 S and α+ 23 Na. Motivated by these unexpected discrepancies, the present study analyses α-induced reaction cross sections for targets with masses A ≈ 20 − 50. The study shows that the experimental data for α-induced reactions on nuclei with A ≈ 20 − 50 deviate slightly from the global behavior of reduced cross sections. However, in general the deviations evolve smoothly towards lower masses. The only significant outliers are the recent data for 33 S and 23 Na which are far above the general systematics, and some very old data may indicate that 36 Ar and 40 Ar are below the general trend. As expected, also the doubly-magic 40 Ca nucleus lies slightly below the results for its neighboring nuclei. Overall, the experimental data are nicely reproduced by a statistical model calculation utilizing the simple α-nucleus potential by McFadden and Satchler. Simultaneously with the deviation of reduced cross sections σ red from the general behavior, the outliers 23 Na, 33 S, 36 Ar, and 40 Ar also show significant disagreement between experiment and statistical model calculation.PACS. 25.55.-e 3H-, 3He-, and 4He-induced reactions -24.10.Pa Thermal and statistical models

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Section: 22supporting

confidence: 75%

Section: 22mentioning

confidence: 94%

Section: 22mentioning

confidence: 99%

“…Experimental data for the 31 P(α,p 0 ) 34 S reaction have been measured by Schier el al. [105]. Two excitation functions at ϑ = 105 • and 155 • are shown in their Fig.…”

Section: Smentioning

confidence: 99%

Section: Smentioning

confidence: 99%

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