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Spitaleri, C.; Lamia, L.; Туміно, А.; Pizzone, R. G.; Cherubini, S.; Zoppo, A. Del; Figuera, P.; Cognata, M. La; Musumarra, A.; Rinollo, A.; Rolfs, C.; Романо, С.; Tudisco, S.

doi:10.1103/physrevc.69.055806

Cited by 109 publications

(46 citation statements)

References 56 publications

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“…After the QF selection, the experimental coincidence yield ( Figure 6) has been studied. It was obtained by dividing the selected coincidence yield by the product of the phase-space factor and of the p-n momentum distribution [13].…”

Section: Data Analysis and Resultsmentioning

confidence: 99%

“…where KF is a kinematical factor containing the final-state phase-space factor and it is a function of masses, momenta and angles of the outgoing particles, Φ(p s ) is the Fourier transform of the radial wave function for the x-s intercluster motion inside A and (dσ/dΩ) HOES is the half-off energy shell cross section. For a more focused description of the method, see [13][14]16].…”

Section: The Trojan Horse Methodsmentioning

confidence: 99%

“…The aim of this work is to show how the application of the indirect Trojan Horse Method (THM) [12][13] allows one to use the deuteron quasi-free (QF) break-up as a source of virtual neutrons and to overcome the effects of the centrifugal barrier.…”

Section: Introductionmentioning

confidence: 99%

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Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Guardo¹,

Lamia²,

Spitaleri³

et al. 2013

Proceedings of VI European Summer School on Experimental Nuclear Astrophysics — PoS(ENAS 6)

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Neutron induced reactions play a key role in several astrophysical scenario. In particular, the importance of 17 O(n,α) 14 C reaction is twofold: in the Inhomogeneous Big Bang Nucleosynthesis (IBBN), in which 14 C may act as a bottleneck in the heavy-element production, and during the weak component of the s-process, for which the determination of the ratio between the 17 O(α,n) 20 Ne and 17 O(n,α) 14 C reaction rates is important to pin down the neutron flux for the nucleosynthesis. The experimental study of the 17 O(n,α) 14 C reaction has been performed in the energy range 0-350 keV via the Trojan Horse Method (THM). The reaction has been deduced by applying the THM to the 2 H( 17 O,α 14 C) 1 H quasi-free reaction induced at the laboratory energy of 43.5 MeV, using deuteron as the Trojan Horse nucleus. The preliminary results show that the contribution of the 166 keV and 236 keV resonances is in energy agreement with the available direct data. A clear contribution of the -7 keV subthreshold level is also apparent. Moreover, this TH measurement allows one to study the ℓ=3, 75 keV resonance (E*=8.125 MeV, J π =5 -) suppressed in the 17 O(n,α) 14 C direct measurements.

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Section: Data Analysis and Resultsmentioning

confidence: 99%

Section: The Trojan Horse Methodsmentioning

confidence: 99%

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Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Guardo¹,

Lamia²,

Spitaleri³

et al. 2013

Proceedings of VI European Summer School on Experimental Nuclear Astrophysics — PoS(ENAS 6)

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“…The THM is an indirect technique allowing measurement of the cross section of a two-body reaction A(x, c)C by properly selecting the quasi-free component of a suitable  2 3 body reaction a(A, cC)s (Baur 1986;Spitaleri 1991;Spitaleri et al 2004;Tribble et al 2014;Spitaleri et al 2016). By referring to the pole diagram of Figure 1, nucleus a is chosen because of its large a=x⊕s configuration, its relatively low x−s binding energy, and its known radial wavefunction for the x−s configuration.…”

Section: Basic Features Of the Thmmentioning

confidence: 99%

Cross-section Measurement of the Cosmologically Relevant ⁷Be(n, α)⁴He Reaction over a Broad Energy Range in a Single Experiment

Lamia

Mazzocco

Pizzone

et al. 2019

ApJ

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Studying interactions of radioactive ions with neutrons is particularly demanding and has been performed only in a few cases. Some of these interactions are crucial in several astrophysical contexts. In the present work, the case of the 7 Be destruction induced by the (n, α) reaction is investigated at the energies typical of the primordial nucleosynthesis by means of the Trojan Horse Method applied to the 2 H(7 Be, αα)p quasi-free reaction. The 7 Be(n, α) 4 He cross-section has been measured in a single experiment from ∼2 MeV down to cosmological energies. The corresponding deduced reaction rate has been adopted to evaluate the impact on big bang nucleosynthesis and on the lithium problem.

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“…The only way to get σ b (E) is still with an extrapolation procedure even when experimental data are available down to the astrophysical energy range. In this framework many indirect methods have been developed with the aim to extract the bare nucleus cross section for reactions of astrophysical interest, avoiding experimental problems due to Coulomb suppression and electron screening effect and among them an important role is played by the Trojan Horse Method [2]. As an example of its impact, a recent outstanding study on Carbon burning in stars has been published [3].…”

Section: Thm For Nuclear Astrophysicsmentioning

confidence: 99%

Report on scipost_201911_00037v1

2019

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TheB11(p,α0)Be8

Cited by 109 publications

References 56 publications

Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Cross-section Measurement of the Cosmologically Relevant ⁷Be(n, α)⁴He Reaction over a Broad Energy Range in a Single Experiment

Report on scipost_201911_00037v1

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TheB11(p,α0)Be8

Cited by 109 publications

References 56 publications

Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Study of the 17O(n,a)14C reaction: extension of the Trojan Horse Method to neutron induced reactions

Cross-section Measurement of the Cosmologically Relevant 7Be(n, α)4He Reaction over a Broad Energy Range in a Single Experiment

Report on scipost_201911_00037v1

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Product

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Cross-section Measurement of the Cosmologically Relevant ⁷Be(n, α)⁴He Reaction over a Broad Energy Range in a Single Experiment