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All Journal Jurnal Fisika Unand Jurnal Penelitian Pendidikan IPA (JPPIPA)
Mardhiana, Hana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Visualisasi Scattering Cross Section Versus Scattering Angle Pada Hamburan Rutherford Atom Timbal dengan Matrix Laboratory Supriadi, Bambang; Nuraini, Lailatul; Istighfarini, Elma Tri; Lubna, Lubna; Mardhiana, Hana; Savana, Bunga Aurel
Jurnal Fisika Unand Vol 11 No 3 (2022)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.11.3.320-326.2022

Abstract

Atom is the smallest component of a chemical element that cannot be changed chemically. The concept of the atom was put forward by several scientists, one of which was Rutherford. From the results of Rutherford's experiment, it is known that most of the alpha particles fired at a thin gold plate are transmitted or scattered with a small scattering angle. In this study, the effect of incident energy (E) on the scattering cross section (σ) and scattering angle (Θ) will be simulated using Matrix Laboratory (MATLAB). Based on the results of the research that has been done, it can be concluded that in Rutherford scattering, the greater the scattering angle, the smaller the scattering cross section. This is shown in the graph generated in the Matrix Laboratory (MATLAB) simulation in the form of a decreasing exponential graph.
Expected Value of Helium Ion Electron Momentum in Momentum Space with Primary Quantum Numbers n≤3 Supriadi, Bambang; Mardhiana, Hana; Kristiawan, Wendy Indra; Kamalia, Diana; Sari, Ike Kumala
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3861

Abstract

The aim is the expected value of helium ions to determine its properties as a heat transmitter to reactors and chirogenic science. This research is non-experimental research using quantum mechanics literature study methods because there are many previous studies that are relevant to this research. Data on the expected value of electron momentum in helium ions is determined based on numerical calculations using the Matlab 2015a program to simplify calculations using ion expectation calculations in momentum. The results obtained are that the electron momentum value in the helium ion can provide an overview of the average momentum value of the helium ion electrons in momentum space. This research data also shows that in momentum space the expected value of electron momentum decreases as the principal quantum number (n) increases. This can be seen when n=1,l =0 then 3p0 = 1.3146, and when n=3,l =0 then 3p0 = 0.5098.
Co-Authors Bambang Supriadi Istighfarini, Elma Tri Kamalia, Diana Kristiawan, Wendy Indra Lailatul Nuraini Lubna Lubna Sari, Ike Kumala Savana, Bunga Aurel