نتایج جستجو برای: on given cross sections
تعداد نتایج: 8839167 فیلتر نتایج به سال:
We summarize and critically evaluate the available data on nuclear fusion cross sections important to energy generation in the Sun and other hydrogen-burning stars and to solar neutrino production. Recommended values and uncertainties are provided for key cross sections, and a recommended spectrum is given for 8 B solar neutrinos. We also discuss opportunities for further increasing the precisi...
Recent observations of thermally emitting isolated neutron stars revealed spectral features that could be interpreted as radiative transitions of He in a magnetized neutron star atmosphere. We present Hartree–Fock calculations of the polarization-dependent photoionization crosssections of the He atom in strong magnetic fields ranging from 1012 to 1014 G. Convenient fitting formulae for the cros...
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