Primordial Li abundance and the role of the Be(d,p)2α reaction

C. Angulo; E. Casarejos; M. Couder; P. Demaret; P. Leleux; F. Vanderbist; A. Coc; J. Kiener; V. Tatischeff; T. Davinson; A.S. Murphy; P. Figuera; N.L. Achouri; N.A. Orr; D. Cortina-Gil; B.R. Fulton; I. Mukha; E. Vangioni

doi:10.1063/1.2200960

Primordial Li abundance and the role of the Be(d,p)2α reaction

C. Angulo, E. Casarejos, M. Couder, P. Demaret, P. Leleux, F. Vanderbist, A. Coc, J. Kiener, V. Tatischeff, T. Davinson, A.S. Murphy, P. Figuera, N.L. Achouri, N.A. Orr, D. Cortina-Gil, B.R. Fulton, I. Mukha, E. Vangioni

School of Physics and Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Using the very precise value of the baryonic density of the Universe recently obtained by WMAP, Big Bang Nucleosynthesis calculations predict a primordial Li abundance which is a factor 2 - 3 higher than that observed in galactic halo dwarf stars. Up to now, the role of the Be(d,p)2α reaction has been neglected. We have studied this reaction, for the first time at energies appropriate to the Big Bang environment, at the CYCLONE facility at Louvain-la-Neuve using a radioactive Be beam. The experimental set-up is briefly described. Results and consequences for primordial nucleosythensis are discussed.

Original language	English
Title of host publication	AIP Conference Proceedings
Pages	394-396
Number of pages	3
Volume	831
DOIs	https://doi.org/10.1063/1.2200960
Publication status	Published - 26 Apr 2006

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Angulo, C., Casarejos, E., Couder, M., Demaret, P., Leleux, P., Vanderbist, F., Coc, A., Kiener, J., Tatischeff, V., Davinson, T., Murphy, A. S., Figuera, P., Achouri, N. L., Orr, N. A., Cortina-Gil, D., Fulton, B. R., Mukha, I., & Vangioni, E. (2006). Primordial Li abundance and the role of the Be(d,p)2α reaction. In AIP Conference Proceedings (Vol. 831, pp. 394-396) https://doi.org/10.1063/1.2200960

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abstract = "Using the very precise value of the baryonic density of the Universe recently obtained by WMAP, Big Bang Nucleosynthesis calculations predict a primordial Li abundance which is a factor 2 - 3 higher than that observed in galactic halo dwarf stars. Up to now, the role of the Be(d,p)2α reaction has been neglected. We have studied this reaction, for the first time at energies appropriate to the Big Bang environment, at the CYCLONE facility at Louvain-la-Neuve using a radioactive Be beam. The experimental set-up is briefly described. Results and consequences for primordial nucleosythensis are discussed.",

author = "C. Angulo and E. Casarejos and M. Couder and P. Demaret and P. Leleux and F. Vanderbist and A. Coc and J. Kiener and V. Tatischeff and T. Davinson and A.S. Murphy and P. Figuera and N.L. Achouri and N.A. Orr and D. Cortina-Gil and B.R. Fulton and I. Mukha and E. Vangioni",

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day = "26",

doi = "10.1063/1.2200960",

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Angulo, C, Casarejos, E, Couder, M, Demaret, P, Leleux, P, Vanderbist, F, Coc, A, Kiener, J, Tatischeff, V, Davinson, T , Murphy, AS, Figuera, P, Achouri, NL, Orr, NA, Cortina-Gil, D, Fulton, BR, Mukha, I & Vangioni, E 2006, Primordial Li abundance and the role of the Be(d,p)2α reaction. in AIP Conference Proceedings. vol. 831, pp. 394-396. https://doi.org/10.1063/1.2200960

TY - CHAP

T1 - Primordial Li abundance and the role of the Be(d,p)2α reaction

AU - Angulo, C.

AU - Casarejos, E.

AU - Couder, M.

AU - Demaret, P.

AU - Leleux, P.

AU - Vanderbist, F.

AU - Coc, A.

AU - Kiener, J.

AU - Tatischeff, V.

AU - Davinson, T.

AU - Murphy, A.S.

AU - Figuera, P.

AU - Achouri, N.L.

AU - Orr, N.A.

AU - Cortina-Gil, D.

AU - Fulton, B.R.

AU - Mukha, I.

AU - Vangioni, E.

PY - 2006/4/26

Y1 - 2006/4/26

N2 - Using the very precise value of the baryonic density of the Universe recently obtained by WMAP, Big Bang Nucleosynthesis calculations predict a primordial Li abundance which is a factor 2 - 3 higher than that observed in galactic halo dwarf stars. Up to now, the role of the Be(d,p)2α reaction has been neglected. We have studied this reaction, for the first time at energies appropriate to the Big Bang environment, at the CYCLONE facility at Louvain-la-Neuve using a radioactive Be beam. The experimental set-up is briefly described. Results and consequences for primordial nucleosythensis are discussed.

AB - Using the very precise value of the baryonic density of the Universe recently obtained by WMAP, Big Bang Nucleosynthesis calculations predict a primordial Li abundance which is a factor 2 - 3 higher than that observed in galactic halo dwarf stars. Up to now, the role of the Be(d,p)2α reaction has been neglected. We have studied this reaction, for the first time at energies appropriate to the Big Bang environment, at the CYCLONE facility at Louvain-la-Neuve using a radioactive Be beam. The experimental set-up is briefly described. Results and consequences for primordial nucleosythensis are discussed.

UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-33845409184&partnerID=8YFLogxK

U2 - 10.1063/1.2200960

DO - 10.1063/1.2200960

M3 - Chapter

AN - SCOPUS:33845409184

SN - 9780735403239

VL - 831

SP - 394

EP - 396

BT - AIP Conference Proceedings

ER -

Primordial Li abundance and the role of the Be(d,p)2α reaction

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