Solar neutrinos, the presolar abundance of helium and the solar metallicity

Il Nuovo Cimento C - Tập 9 Số 3 - Trang 714-724 - 1986
Rana, N. C.1, Wilkinson, D. A.1
1Department of Physics, University of Durham, Durham, England

Tóm tắt

The observational estimates of the presolar abundance of helium (Y s) are reviewed and a lower value ofY s ({-0.19 by mass fraction) is suggested to solve the solar-neutrino problem. With this reduced value ofY s it is argued from the point of view of maintaining the luminosity of the Sun at its observed level that the metallicity requirement isZ s{-0.013. Previous workers, while considering lowerY s in the range of 0.15÷0.20, have assumedZ s in the range of either 0.018÷0.020 or 0.001÷0.004. We suggest that forY s=0.15÷0.20, one should rather considerZ s=0.01÷0.02 in order to obtain a global solution that explains the observed modes of solar oscillation as well as the observed neutrino flux. This solution is quite interesting as we find that the real uncertainties in the determination of the solar metallicity arising from the diversity in existing models of the solar atmosphere suggestZ s{-{0.018±0.005.

Tài liệu tham khảo

citation_journal_title=Astrophys. J.; citation_author=J. Yang, D. N. Schramm, G. Steigman, R. T. Rood; citation_volume=227; citation_publication_date=1979; citation_pages=697-697; citation_doi=10.1086/156779; citation_id=CR1 citation_journal_title=Rev. Mod. Phys.; citation_author=J. N. Bahcall, W. F. Huebner, S. H. Lubow, P. D. Parker, R. K. Ulrich; citation_volume=54; citation_publication_date=1982; citation_pages=767-767; citation_doi=10.1103/RevModPhys.54.767; citation_id=CR2 citation_journal_title=Ann. Phys. (N. Y.); citation_author=I. Iben; citation_volume=54; citation_publication_date=1969; citation_pages=164-164; citation_doi=10.1016/0003-4916(69)90338-8; citation_id=CR3 citation_journal_title=Nature (London); citation_author=G. R. Isaak; citation_volume=283; citation_publication_date=1980; citation_pages=644-644; citation_doi=10.1038/283644a0; citation_id=CR4 citation_journal_title=Solar Phys.; citation_author=T. Hirayama; citation_volume=19; citation_publication_date=1971; citation_pages=384-384; citation_doi=10.1007/BF00146066; citation_id=CR5 citation_journal_title=Astrophys. J.; citation_author=J. Heasley, R. Milky; citation_volume=221; citation_publication_date=1978; citation_pages=677-677; citation_doi=10.1086/156072; citation_id=CR6 citation_inbook_title=The Structure and Evolution of Normal Galaxies; citation_publication_date=1981; citation_id=CR7; citation_author=B. E. J. Pagel; citation_publisher=Cambridge University Press citation_title=Coronal Expansion and the Solar Wind; citation_publication_date=1972; citation_id=CR8; citation_author=A. J. Hundausen; citation_publisher=Spring citation_journal_title=Observatory; citation_author=D. L. Lambert; citation_volume=960; citation_publication_date=1967; citation_pages=199-199; citation_id=CR9 citation_journal_title=Nature (London); citation_author=D. Gautier, T. Owen; citation_volume=302; citation_publication_date=1983; citation_pages=215-215; citation_doi=10.1038/302215a0; citation_id=CR10 citation_journal_title=Astrophys. J.; citation_author=B. J. Conrath, D. Gautier, R. A. Hanel, J. S. Hornstein; citation_volume=282; citation_publication_date=1984; citation_pages=807-807; citation_doi=10.1086/162267; citation_id=CR11 citation_journal_title=J. Geophys. Res.; citation_author=G. Orton, A. Ingersoil; citation_volume=85; citation_publication_date=1980; citation_pages=5871-5871; citation_id=CR12 citation_journal_title=Astron. Astrophys.; citation_author=J. Christensen-Dalsgaard, D. O. Gough, J. G. Morgan; citation_volume=73; citation_publication_date=1979; citation_pages=121-121; citation_id=CR13 citation_journal_title=Astrophys. J.; citation_author=I. Iben, J. Mahaffi; citation_volume=209; citation_publication_date=1976; citation_pages=L39-L39; citation_doi=10.1086/182262; citation_id=CR14 citation_journal_title=Nature (London); citation_author=A. Claverie, G. R. Isaak, C. P. McLoed, H. B. Raay, T. Rocca-Cortes; citation_volume=282; citation_publication_date=1979; citation_pages=591-591; citation_doi=10.1038/282591a0; citation_id=CR15 citation_journal_title=Nature (London); citation_author=G. Grec, E. Fossat, M. Pommerantz; citation_volume=288; citation_publication_date=1980; citation_pages=541-541; citation_doi=10.1038/288541a0; citation_id=CR16 citation_journal_title=Nature (London); citation_author=J. Christensen-Dalsgaard, D. O. Gouth; citation_volume=288; citation_publication_date=1980; citation_pages=544-544; citation_doi=10.1038/288544a0; citation_id=CR17 D. O. Gough: ESOWorkshop on Primordial Helium, edited byP. A. Shaver, D. Kunth andK. Kjar (Garching, 1983). citation_journal_title=Sov. Astron. Lett.; citation_author=A. G. Kosovichev, A. B. Severnyi; citation_volume=10; citation_publication_date=1984; citation_pages=284-284; citation_id=CR19 citation_journal_title=Astrophys. J.; citation_author=B. Carney; citation_volume=233; citation_publication_date=1979; citation_pages=877-877; citation_doi=10.1086/157450; citation_id=CR20 citation_journal_title=Astron. Astrophys.; citation_author=J. Lequeux, M. Peimbert, J. F. Rayo, A. Serrano, S. Torres-Peimbert; citation_volume=80; citation_publication_date=1979; citation_pages=155-155; citation_id=CR21 citation_journal_title=Astrophys. J.; citation_author=M. French; citation_volume=186; citation_publication_date=1979; citation_pages=1097-1097; citation_id=CR22 D. Talent: Ph.D. Thesis (Rice University, Houston Tex., 1980). D. Kunth: Ph.D. Thesis (University of Paris, 1981). citation_journal_title=Astrophys. J.; citation_author=J. F. Rayo, M. Peimbert, S. Torres-Peimbert; citation_volume=255; citation_publication_date=1982; citation_pages=1-1; citation_doi=10.1086/159796; citation_id=CR25 citation_journal_title=Nuovo Cimento B; citation_author=N. C. Rana; citation_volume=84; citation_publication_date=1984; citation_pages=53-53; citation_id=CR26 M. Peimbert: ESOWorkshop on Primordial Helium., edited byP. A. Shaver, D. Kunth andK. Kjar (Garching, 1983). J. Audouze: ESOWorkshop on Primordial helium, edited byP.A. Shaver, D. Kunth andK. Kjar (Garching, 1983). citation_journal_title=Astron. Astrophys.; citation_author=A. Vidal-Madjar, C. Cry; citation_volume=138; citation_publication_date=1984; citation_pages=285-285; citation_id=CR29 citation_journal_title=Phys. Rev. Lett.; citation_author=N. C. Rana; citation_volume=48; citation_publication_date=1982; citation_pages=209-209; citation_doi=10.1103/PhysRevLett.48.209; citation_id=CR30 citation_journal_title=Phys. Rev. Lett.; citation_author=R. M. Bionta, G. Blewitt, C. B. Bratton, B. G. Cortez, S. Errede, G. W. Foster, W. Gajewski, M. Goldhaber, J. Greenberg, T. J. Haines, T. W. Jones, D. Kielczewska, W. R. Kropp, J. G. Learned, E. Lehmann, J. M. LoSecco, P. V. Ramana Murthy, H. S. Park, F. Reines, J. Schultz, E. Shumard, D. Sinclair, D. W. Smith, H. W. Sobel, J. L. Stone, L. R. Sulak, R. Svoboda, J. C. Velde, C. Wuest; citation_volume=51; citation_publication_date=1983; citation_pages=27-27; citation_doi=10.1103/PhysRevLett.51.27; citation_id=CR31 citation_journal_title=Phys. Rev. D; citation_author=P. Langacker, G. Sevgre, S. Soni; citation_volume=26; citation_publication_date=1982; citation_pages=3425-3425; citation_doi=10.1103/PhysRevD.26.3425; citation_id=CR32 D. O. Gough: private communication toA. W. Wolfendale (1981). citation_title=The Stars: Their Structure and Evolution; citation_publication_date=1981; citation_id=CR34; citation_author=R. J. Tayler; citation_publisher=Wykeham citation_title=Structure and Evolution of the Stars; citation_publication_date=1958; citation_id=CR35; citation_author=M. Schwarzschild; citation_publisher=Dover Publ Inc. citation_journal_title=Astrophys. J.; citation_author=A. Munier; citation_volume=290; citation_publication_date=1985; citation_pages=47-47; citation_doi=10.1086/162958; citation_id=CR36 citation_journal_title=Sol. Phys.; citation_author=H. Holwger, E. A. Muller; citation_volume=39; citation_publication_date=1974; citation_pages=19-19; citation_doi=10.1007/BF00154968; citation_id=CR37 R. G. Allen: private communication toD. L. Lambert (1976). citation_journal_title=Astrophys. J. Suppl.; citation_author=J. E. Vernazza, E. H. Avrett, R. Loeser; citation_volume=30; citation_publication_date=1976; citation_pages=1-1; citation_doi=10.1086/190356; citation_id=CR39 citation_journal_title=Sol. Phys.; citation_author=O. Gingerich, R. W. Noyes, W. Kalkofen, Y. Cuny; citation_volume=18; citation_publication_date=1971; citation_pages=347-347; citation_doi=10.1007/BF00149057; citation_id=CR40 citation_journal_title=Astrophys. J.; citation_author=T. R. Ayres, J. L. Linsky; citation_volume=205; citation_publication_date=1976; citation_pages=874-874; citation_doi=10.1086/154344; citation_id=CR41 citation_journal_title=Mon. Not. R. Astron. Soc.; citation_author=A. Goldman, D. G. Murcray, D. L. Lambert, J. F. Dominy; citation_volume=203; citation_publication_date=1983; citation_pages=767-767; citation_id=CR42 citation_journal_title=Astrophys. J.; citation_author=A. J. Sauval, N. Grevesse, J. W. Brault, G. M. Stokes, R. Zander; citation_volume=282; citation_publication_date=1984; citation_pages=330-330; citation_doi=10.1086/162206; citation_id=CR43 citation_journal_title=Mon. Not. R. Astron. Soc.; citation_author=D. L. Lambert; citation_volume=182; citation_publication_date=1978; citation_pages=249-249; citation_id=CR44