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Träfflista för sökning "WFRF:(Prati D) srt2:(2000-2004)"

Search: WFRF:(Prati D) > (2000-2004)

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1.	Aebi, C, et al. (author) Combination antiretroviral therapy and duration of pregnancy 2000 In: AIDS (London, England). - : Ovid Technologies (Wolters Kluwer Health). - 0269-9370. ; 14:18, s. 2913-2920 Journal article (peer-reviewed)
2.	Thorne, C, et al. (author) HIV-infected pregnant women and vertical transmission in Europe since 1986. European collaborative study 2001 In: AIDS (London, England). - 0269-9370. ; 15:6, s. 761-770 Journal article (peer-reviewed)
3.	Formicola, A, et al. (author) Astrophysical S-factor of 14N(p,γ)15O 2004 In: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 591:1-2, s. 61-68 Journal article (peer-reviewed)abstract We report on a new measurement of the 14N(p,γ) 15O capture cross section at Ep=140 to 400 keV using the 400 kV LUNA accelerator facility at the Laboratori Nazionali del Gran Sasso (LNGS). The uncertainties have been reduced with respect to previous measurements and their analysis. We have analyzed the data using the R-matrix method and we find that the ground state transition accounts for about 15% of the total S-factor. The main contribution to the S-factor is given by the transition to the 6.79 MeV state. We find a total S(0)=1.7±0.2 keVb, in agreement with recent extrapolations. The result has important consequences for the solar neutrino spectrum as well as for the age of globular clusters. © 2004 Elsevier B.V. All rights reserved.
4.	Imbriani, G., et al. (author) The bottleneck of CNO burning and the age of Globular Clusters 2004 In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 420:2, s. 625-629 Journal article (peer-reviewed)abstract The transition between the Main Sequence and the Red Giant Branch in low mass stars is powered by the onset of CNO burning, whose bottleneck is 14N(p, γ) 15O. The LUNA collaboration has recently improved the low energy measurements of the cross section of this key reaction. We analyse the impact of the revised reaction rate on the estimate of the Globular Cluster ages, as derived from the turnoff luminosity. We found that the age of the oldest Globular Clusters should be increased by about 0.7-1 Gyr with respect to the current estimates.

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Type of publication: journal article (4)

Type of content: peer-reviewed (4)

Author/Editor: Giaquinto, C (2); Maccabruni, A (2); Bohlin, AB (2); Mur, A (2); de Jose, I (2); Grosch-Worner, I (2); show more...; Romano, M. (2); De Maria, A (2); De Rossi, A (2); Costantini, H. (2); Horban, A (2); Junker, M. (2); Imbriani, G. (2); Straniero, O. (2); Levy, J (2); Duse, M (2); Scherpbier, H (2); Mok, J (2); Vomiero, Alberto (2); Ruga, E (2); Seel, K (2); Johnstone, F (2); Jimenez, J (2); Garcia-Rodriguez, MC (2); Bates, I (2); Hawkins, F (2); de Gevara, CL (2); Pena, JM (2); Garcia, JG (2); Lopez, JRA (2); Asensi-Botet, F (2); Otero, MC (2); Perez-Tamarit, D (2); Ridaura, S (2); Gregori, P (2); de la Torre, R (2); Kreyenbroek, M (2); Boer, K (2); Lindgren, S (2); Ehrnst, A (2); Belfrage, E (2); Lidman, K (2); Hainaut, M (2); Peltier, A (2); Barlow, P (2); Wibaut, S (2); Ferrazin, A (2); Bassetti, D (2); Gotta, C (2); Paya, A (2); show less...

University: Luleå University of Technology (2); Karolinska Institutet (2)

Language: English (4)

Research subject (UKÄ/SCB): Natural sciences (2)

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