Výsledky vyhledávání - "S. B. Igamov"

Extrapolation of astrophysical S factors for the reaction 14N((p, γ) 15O to near-zero energies

Autor: Q. I. Tursunmakhatov, S. B. Igamov, R. Yarmukhamedov, S. V. Artemov

Publikováno v: Physics of Atomic Nuclei. 75:291-309

The astrophysical S factors for the radiative-capture reaction 14N(p, γ)15O in the region of ultralow energies were calculated on the basis of the R-matrix approach. The values of the radiative and protonic widths were fitted to new experimental dat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57251b22f3fb4eb3c4369f2ef529457b
https://doi.org/10.1134/s1063778812020032

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ESTIMATES OF THE ASTROPHYSICAL S-FACTORS FOR PROTON RADIATIVE CAPTURE BY 10B AND 24Mg NUCLEI USING THE ANCs FROM PROTON TRANSFER REACTIONS

Autor: G. K. Nie, R. Yarmukhamedov, K. E. Rehm, E. A. Zaparov, A. A. Karakhodzhaev, S. B. Igamov, S. V. Artemov, N. Burtebaev

Publikováno v: International Journal of Modern Physics E. 19:1102-1108

The contribution of the direct radiative capture of protons by 10 B and 24 Mg nuclei at low energies to the astrophysical S -factors in the reactions 10 B (p,γ)11 C and 24 Mg (p,γ)25 Al have been calculated within the R-matrix formalism by using em

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8aa447544048cdccb3e6a7b3f5b5312d
https://doi.org/10.1142/s0218301310015540

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Determination of nuclear vertex constants (asymptotic normalization coefficients) for the virtual decays 3He → d + p and 17F → 16O + p and their use for extrapolating astrophysical S-factors of the radiative proton capture by the deuteron and the 16O nucleus at very low energies

Autor: S. V. Artemov, S. B. Igamov, K. I. Tursunmakhatov, R. Yarmukhamedov

Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 73:165-170

Experimental astrophysicalS-factors for the direct radiative capture processes d(p,γ)3He and 16O(p,γ)17F are analyzed using the modified two-body potential approach. The values of the asymptotic normalization coefficients (nuclear vertex constants)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2493071f5d10a19cc17c68a2caf00aac
https://doi.org/10.3103/s1062873809020075

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Asymptotic normalization coefficients (nuclear vertex constants) for p + 7Be → 8B and the direct 7Be(p, γ)8B astrophysical S factors at solar energies

Autor: R. Yarmukhamedov, S. B. Igamov

Publikováno v: Physics of Atomic Nuclei. 71:1740-1755

A new analysis of the precise experimental astrophysical S-factors for the direct capture $^7Be(p,\gamma)$ $^8B$ reaction [A.J.Junghans et al.Phys.Rev. C 68 (2003) 065803 and L.T. Baby et al. Phys.Rev. C 67 (2003) 065805] is carried out based on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2d3349c3cdb11ded7dbfda2fc89444d
https://doi.org/10.1134/s1063778808100098

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Nuclear asymptotic normalization coefficients for 14N → 13C + p configurations and astrophysical S factor for radiative proton capture

Autor: G. K. Nie, A. G. Bajajin, S. V. Artemov, R. Yarmukhamedov, S. B. Igamov

Publikováno v: Physics of Atomic Nuclei. 71:998-1011

Empirical values of the asymptotic normalization coefficient for proton bound states in the 14N nucleus for the first five levels were obtained from an analysis of the experimental differential cross sections known from our measurements and from the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f1a082bbb0f3c19720129e8c0bb4e1a6
https://doi.org/10.1134/s1063778808060045

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Influence of the three-body coulomb effects on the values of asymptotic normalization coefficients (nuclear vertex constants) of astrophysical interest extracted from the modified DWBA approach for the peripheral proton-transfer reactions

Autor: M. S. Nadirbekov, S. B. Igamov, R. Yarmukhamedov

Publikováno v: Physics of Atomic Nuclei. 70:1694-1705

From the exact three-body distorted wave amplitude obtained by other authors for the one-charged-particle-transfer reaction A(x, y)B within the strict three-body (x = y + a and B = A + a, where a is a transferred particle) model, its part is separate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd4adaf473db8197091b347c5f1b7138
https://doi.org/10.1134/s1063778807100031

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Calculation of the nuclear vertex constant (asymptotic normalization coefficient) for the virtual decay 6Li → α + d on the basis of the three-body model and application of the result in describing the astrophysical nuclear reaction d(α, γ)6Li at ultralow energies

Autor: M. M. Nishonov, S. B. Igamov, L. D. Blokhintsev, R. Yarmukhamedov

Publikováno v: Physics of Atomic Nuclei. 69:433-444

Within the (α, n, p) three-body model, the s-wave 6Li → α + d vertex constant G01 and the asymptotic normalization coefficient C01 (these two quantities are proportional to each other) for the wave function describing the 6Li nucleus in the α +

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2dfc37d770d13f9d0759c15a18fa1061
https://doi.org/10.1134/s1063778806030069

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