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The Scattering Properties of Gaseous Parahydrogen

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Abstract

In this work, the scattering properties of parahydrogen gas (p-H2) are studied in the temperature-range (1–50) K. These properties are investigated within the framework of the Lippmann–Schwinger formalism for p-H2. This formalism is used to calculate the phase shifts. The calculations are undertaken using Silvera-Goldman potential. The scattering properties of the system—the total, viscosity, and average cross sections—are then computed using these phase shifts. The s-wave scattering length for p-H2 molecules \(a_{o}\) is determined as \(a_{o}\) = 7.01 Å. The cross sections exhibited the Ramsauer–Townsend effect and resonance peaks. The lifetime of the quasi-bound states for \(\ell - wave\) \(\left( {\ell = {2,}\,{\text{4, and 6}}} \right)\) is also computed.

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Authors and Affiliations

  1. Department of Physics, Mu’tah University, Al-Karak, Jordan

    A. A. Alzboun & A. F. Al-Maaitah

  2. Department of Physics, Faculty of Science, Al-Balqa Applied University, Al-Salt, Jordan

    A. S. Sandouqa

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  1. A. A. Alzboun
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  2. A. F. Al-Maaitah
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  3. A. S. Sandouqa
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Correspondence to A. S. Sandouqa.

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Alzboun, A.A., Al-Maaitah, A.F. & Sandouqa, A.S. The Scattering Properties of Gaseous Parahydrogen. J Low Temp Phys 203, 74–83 (2021). https://doi.org/10.1007/s10909-021-02569-9

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