12C(12C, 8Be)16O angular distributions and excitation functions between 35 and 69 MeV bombarding energy

Weidinger, A.; Eberhard, K.A.; Mathiak, E.; Stettmeier, J.; Trombik, W.; Wüstefeld, L.N.

doi:10.1016/0375-9474(76)90480-2

Cited by 12 publications

(5 citation statements)

References 7 publications

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“…These results together with those obtained on the same reaction at lower energies by other authors [14][15][16][17] are summarized on the E c:m: vs. JJ + 1 plane of fig. 5 and show a fair consistency with the linear rule typical of rotational bands.…”

Section: -Experiments and Data Analysissupporting

confidence: 68%

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Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

et al. 1997

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The results of a set of experiments on the 12 C + 12 C ! 8 Beg:s: + 16 O excitation function between 20 and 36 MeV c.m. beam energy are summarized and discussed. A set of 1 MeV wide resonances shows up in the energy range investigated, all of them following the rotational rule with a coefficient of inertia consistent with a , 16 O , configuration. PACS 25.70.Ef -Resonances. PACS 21.60.Gx -Cluster model.

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Section: -Experiments and Data Analysissupporting

confidence: 68%

“…These results showed that the 24 Mg excited around 46 MeV could decay both into the 12 C0 + 2 + 12 C0 + 2 and into the 8 Be + 16 O systems with a much higher cross-section in Further measurements were then performed in the 27 to 36 MeV c.m. energy range with steps of a few hundreds keV [12] .…”

Section: -Experiments and Data Analysismentioning

confidence: 97%

Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

et al. 1997

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“…Here, we adopted the two-dimensional Hough transform method for separating the track, an algorithm commonly used in image analysis based on a given set of image pixels (see Ref. [18]). In the Hough transformation, each point at (x,y) is transformed into a curve in the ( ) parameter space (Hough space) using the formula R= + in the θ interval of 0 θ π.…”

Section: A Track Reconstructionmentioning

confidence: 99%

Studies of the 2α and 3α channels of the ¹²C+¹²C reaction in the range of E _c.m.=8.9 MeV to 21 MeV using the active target Time Projection Chamber*

Tang¹

2022

Chinese Phys. C

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The 12C+12C fusion reaction was studied in the range of Ec.m.=8.9 MeV to 21 MeV using the active-target Time Projection Chamber. With the full information of all the tracks of the reaction products, the cross section of the 12C(12C,8Be)16Ogs channel and the 12C(12C,3α)12C channel have been measured down to the level of a few milibarns. The 12C(12C,8Be)16Ogs reaction channel is determined to be 10-8 +24 mb at Ec.m.=11.1 MeV, supporting the direct α transfer reaction mechanism. The 12C(12C,3α)12C reaction channel was studied for the first time using the exclusive measurement. Our result does not confirm the anomaly behavior reported in the previous inclusive measurement. Our comparisons with the statistical model calculations suggest that the 3α channel is dominated by the fusion evaporation process at Ec.m.>19 MeV. The additional contribution of the 3α channel increases the fusion reaction cross section by 10% at energies above 20 MeV. We also find that additional reaction mechanism is needed to explain the measured cross section at Ec.m.< 15 MeV where the statistical model prediction vanishes.

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“…energy range between 9 and 34.5 MeV have been measured [11 15]. In particular the excitation function has been measured for seven angles between 0 = 25.6 ~ and 75.3 ~ in the energy range Eom = 17.5 MeV to 34.5 MeV [15], but the angle integrated cross section do not show any resonant character around 32.5 MeV. Angular distributions at Ecm = 30, 30.5 and 31.5 MeV are also reported in [15].…”

Section: Introductionmentioning

confidence: 99%

“…In particular the excitation function has been measured for seven angles between 0 = 25.6 ~ and 75.3 ~ in the energy range Eom = 17.5 MeV to 34.5 MeV [15], but the angle integrated cross section do not show any resonant character around 32.5 MeV. Angular distributions at Ecm = 30, 30.5 and 31.5 MeV are also reported in [15]. Since these data are limited to angles smaller than 80 ~ they cannot give any information on a possible peculiar behaviour around 90 ~ as the one observed in [1,2].…”

Section: Introductionmentioning

confidence: 99%

Resonant effects in the12C+12C?8Be gs +16O gs reaction aroundE cm=32.5 MeV

Aliotta

Cherubim

Costanzo

et al. 1995

Z. Physik A - Hadrons and Nuclei

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Abstract. The 12C @ 12C --+" SB%s + 160gs reaction has been studied at c.m. energies of 27.9, 32.5 and 35.0 MeV. The energy dependence of the cross section is consistent with a resonant behaviour like the one observed for two ~2C nuclei excited in a very deformed state in the final channel. The angular distributions for the two reactions show also a similar oscillatory behaviour. The analysis suggests that the reaction proceeds through the formation of an intermediate state with a complex nature, involving largely deformed configurations as well as almost spherical ones.

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12C(12C, 8Be)16O angular distributions and excitation functions between 35 and 69 MeV bombarding energy

Cited by 12 publications

References 7 publications

Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

Studies of the 2α and 3α channels of the ¹²C+¹²C reaction in the range of E _c.m.=8.9 MeV to 21 MeV using the active target Time Projection Chamber*

Resonant effects in the12C+12C?8Be gs +16O gs reaction aroundE cm=32.5 MeV

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12C(12C, 8Be)16O angular distributions and excitation functions between 35 and 69 MeV bombarding energy

Cited by 12 publications

References 7 publications

Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

Resonances in the12C(12C,8Beg.s.)16O reaction and rotational states in24Mg

Studies of the 2α and 3α channels of the 12C+12C reaction in the range of E c.m.=8.9 MeV to 21 MeV using the active target Time Projection Chamber*

Resonant effects in the12C+12C?8Be gs +16O gs reaction aroundE cm=32.5 MeV

Contact Info

Product

Resources

About

Studies of the 2α and 3α channels of the ¹²C+¹²C reaction in the range of E _c.m.=8.9 MeV to 21 MeV using the active target Time Projection Chamber*