On the Determination of the 7 Be(n, α ) 4 He Reaction Cross Section at BBN Energies
Abstract
7Be destruction channels are presently a matter of study due to their influence on the 7Li cosmological abundances. In this work, we determine the cross section of the (n, α) reaction by using Trojan Horse experimental data for the 7Li(p, α)4He reaction and correcting for Coulomb effects. The deduced 7Be(n, α)4He data overlap with the Big Bang nucleosynthesis energies and the deduced reaction rate allows us to evaluate the corresponding cosmological implications.
- Authors:
-
- Univ. of Catania, Catania (Italy); Istituto Nazionale di Fisica Nucleare (INFN), Catania (Italy). Lab. Nazionali del Sud (INFN-LNS)
- Texas A & M Univ.-Commerce, Commerce, TX (United States)
- Texas A & M Univ.-Commerce, Commerce, TX (United States); Chinese Academy of Sciences (CAS), Lanzhou (China)
- Istituto Nazionale di Fisica Nucleare (INFN), Catania (Italy). Lab. Nazionali del Sud (INFN-LNS)
- Istituto Nazionale di Fisica Nucleare (INFN), Catania (Italy). Lab. Nazionali del Sud (INFN-LNS); Kore Univ. of Enna, Enna (Italy)
- Publication Date:
- Research Org.:
- Texas A & M Univ.-Commerce, Commerce, TX (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1511024
- Grant/Contract Number:
- FG02-08ER41533
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal (Online)
- Additional Journal Information:
- Journal Name: The Astrophysical Journal (Online); Journal Volume: 850; Journal Issue: 2; Journal ID: ISSN 1538-4357
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; nuclear reactions; nucleosynthesis; abundances; primordial nucleosynthesis
Citation Formats
Lamia, L., Spitaleri, C., Bertulani, C. A., Hou, S. Q., Cognata, M. La, Pizzone, R. G., Romano, S., Sergi, M. L., and Tumino, A. On the Determination of the 7 Be(n, α ) 4 He Reaction Cross Section at BBN Energies. United States: N. p., 2017.
Web. doi:10.3847/1538-4357/aa965c.
Lamia, L., Spitaleri, C., Bertulani, C. A., Hou, S. Q., Cognata, M. La, Pizzone, R. G., Romano, S., Sergi, M. L., & Tumino, A. On the Determination of the 7 Be(n, α ) 4 He Reaction Cross Section at BBN Energies. United States. https://doi.org/10.3847/1538-4357/aa965c
Lamia, L., Spitaleri, C., Bertulani, C. A., Hou, S. Q., Cognata, M. La, Pizzone, R. G., Romano, S., Sergi, M. L., and Tumino, A. Thu .
"On the Determination of the 7 Be(n, α ) 4 He Reaction Cross Section at BBN Energies". United States. https://doi.org/10.3847/1538-4357/aa965c. https://www.osti.gov/servlets/purl/1511024.
@article{osti_1511024,
title = {On the Determination of the 7 Be(n, α ) 4 He Reaction Cross Section at BBN Energies},
author = {Lamia, L. and Spitaleri, C. and Bertulani, C. A. and Hou, S. Q. and Cognata, M. La and Pizzone, R. G. and Romano, S. and Sergi, M. L. and Tumino, A.},
abstractNote = {7Be destruction channels are presently a matter of study due to their influence on the 7Li cosmological abundances. In this work, we determine the cross section of the (n, α) reaction by using Trojan Horse experimental data for the 7Li(p, α)4He reaction and correcting for Coulomb effects. The deduced 7Be(n, α)4He data overlap with the Big Bang nucleosynthesis energies and the deduced reaction rate allows us to evaluate the corresponding cosmological implications.},
doi = {10.3847/1538-4357/aa965c},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 850,
place = {United States},
year = {Thu Nov 30 00:00:00 EST 2017},
month = {Thu Nov 30 00:00:00 EST 2017}
}
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Cited by: 24 works
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Figures / Tables:
Figure 1: Polar diagrams for the 3He(7Li, αα)d (a) and 2H(7Li, αα)n (b) QFbreakup processes. Upper vertex describes the QF breakup of the TH-nucleus, while the lower one refers to the 7Li(p, α)4He reaction.
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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.