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All Journal Jurnal Fisika FLUX Jurnal Pendidikan Fisika Jurnal Teori dan Aplikasi Fisika Jurnal Kumparan Fisika Risalah Fisika International Journal of Applied Sciences and Smart Technologies Jurnal Fisika Indonesia
Albertus Hariwangsa Panuluh
Universitas Sanata Dharma
Astronomy Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Other

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Pembangkitan Massa Neutrino Dalam Model Korespondensi Spinor-Skalar Panuluh, Albertus Hariwangsa; Satriawan, Mirza
Risalah Fisika Vol 1, No 1 (2017): Risalah Fisika ISSN 2548-9011
Publisher : Physical Society of Indonesia (PSI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (106.573 KB) | DOI: 10.35895/rf.v1i1.4

Abstract

Model pengembangan dari model standar dengan prinsip korespondensi spinor-skalar telah dibangun. Diperkenalkan enam buah medan skalar baru sebagai partikel korespondensi bagi spinor model standar. Berbagai eksperimen telah menunjukkan adanya osilasi neutrino, dan hal ini dapat terjadi jika neutrino memiliki massa. Oleh karena itu, setiap model pengembangan model standar harus mampu menjelaskan massa neutrino. Massa neutrino dalam model korespondensi spinor-skalar dapat dibangkitkan dengan menggunakan mekanisme seesaw dan dapat memiliki nilai massa yang sangat kecil.  
Pengukuran Modulus Geser Baja Menggunakan Analisis Osilasi Pegas-Massa dengan Software Logger Pro Samuel Hia; Albertus Hariwangsa Panuluh
Jurnal Teori dan Aplikasi Fisika Vol 9, No 1 (2021): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v9i1.2606

Abstract

A steel shear modulus measurement has been conducted using spring-mass oscillation analysis. The purpose of this study is to determine whether the spring-mass oscillation analysis method can measure the shear modulus of the steel. In this study, springs that are used are made of steel with a spring radius of 7,86 mm, a spring wire diameter of 0.817+-0,001 mm and there is no distance between the coil springs. The length of the spring is varied 7 times, i.e., 4.75+-0,01 cm, 5.36+-0,01  cm, 5.89+-0,01  cm, 6.81+-0,01 cm, 8.53+-0,01 cm, 9.44+-0,02 cm, and 10.87+-0,02  cm. The spring radius and the diameter of the spring wire are measured using a micrometer screw, while the spring length is determined using image analysis using the Logger Pro program. The spring constant is determined from the equation of the results of the position graph fitting (x) with respect to time (t) load on the oscillating spring-mass system. The value of the shear modulus can be determined from the constants on the graph of the relationship of the spring constant to the spring length following the equation from Sommerfeld. The research measures the shear modulus is 1.24+-0,02 GPa.
Otomatisasi Eksperimen Interferensi Tiga Celah Albertus Hariwangsa Panuluh; Elisabeth Dian Atmajati; Sri Agustini Sulandari
Jurnal Fisika FLUX Vol 17, No 2 (2020): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (765.899 KB) | DOI: 10.20527/flux.v17i2.8332

Abstract

Automation of three slit interference experiments has been carried out. The light interference is an interesting phenomenon to observe. The observation of the three-slit interference pattern uses a light sensor that is connected to the computer through the interface. Light intensity data will be directly recorded into the computer and displayed in the form of graphs of the light intensity versus time. To measure the pattern of the formed dark light, the light sensor is placed on a linear drive system. This drive system will move the sensor to the left or right to record the intensity of the pattern of dark light. The purposes of this study are: 1) designing an automatic experiment to observe three slit interference patterns and 2) measuring the wavelength of the light source, He-Ne laser, used in the experiment. From the experiment, we find that the wavelength of He-Ne laser is  nm.
PENGUKURAN MODULUS YOUNG SENAR PANCING DENGAN METODE ANALISIS FREKUENSI DAWAI Nidar Karyati Gulo; Albertus Hariwangsa Panuluh
Jurnal Kumparan Fisika Vol 3, No 3: Desember 2020
Publisher : Unib Press, Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jkf.3.3.209-214

Abstract

The research has been conducted to determine the Young Modulus value of the fishing line with frequency analysis on a string by using a sound sensor. The fishing line made of Nylon Monofilament and Stainless Steel Nylon Coat. The diameter of the fishing line with each material consisted of 0.25 mm. The fishing line vibration events ware displayed on the graph of the relationship between pressure and time in the Logger pro program. The graph of the relationship between pressure and time was then transformed into an FFT graph of the amplitude relationship to frequency. Then the frequency value which was obtained from the FFT was used to determine the wave velocity value of the fishing line. The average wave velocity value was obtained by graphing the frequency relation to one of each string length. After obtained the average wave velocity value of the fishing line the Modulus Young value can be determined by the equation of the square wave velocity relationship times the mass per length times the cross-sectional area. In this study, the Young Modulus value of Nylon Monofilament fishing line was (1.94±0.09) GPa and the Young Modulus value of the Stainless Steel Nylon Coat fishing line was (45.05±2.05) GPa.
PENENTUAN NILAI MOMEN MAGNET NEODYMIUM YANG BERGERAK DI DALAM PIPA ALUMINIUM DAN KUNINGAN DENGAN METODE ANALISIS VIDEO Albertus Hariwangsa Panuluh; Yohanes Jeverson Bulu
Jurnal Kumparan Fisika Vol 4, No 3: Desember 2021
Publisher : Unib Press, Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jkf.4.3.229-236

Abstract

Telah dilakukan penelitian untuk menentukan nilai momen magnet dan mengetahui hubungan diameter dalam pipa terhadap nilai momen magnet neodymium yang bergerak di dalam pipa aluminium dan kuningan dengan metode analisis video. Dipakai sistem pesawat atwood untuk merancang  prosedur percobaan pengambilan data. Salah satu beban yang digantungkan di ujung  tali direkam pergerakannya menggunakan kamera panasonic Hc-V30. Kemudian file video tersebut dianalisis menggunakan software Logger Pro. Dari analisis tersebut diperoleh grafik posisi fungsi waktu. Kemudian dipilih data yang menunjukkan bahwa magnet telah bergerak dengan kecepatan konstan. Nilai kemiringan dari grafik sama dengan nilai kecepatan terminal dari gerak magnet di dalam pipa. Nilai kecepatan terminal tersebut dapat digunakan untuk memperoleh nilai koefisien redaman magnetik. Kemudian nilai koefisien redaman magnetik yang diperoleh digunakan untuk memperoleh nilai momen magnetik. Dari penelitian yang telah dilakukan dapat disimpulkan bahwa nilai koefisien redaman magnetik berbanding terbalik dengan diameter dalam pipa dan berbanding lurus dengan suseptibilitas bahan. Nilai momen magnet berbanding lurus dengan diameter dalam pipa dan berbanding terbalik dengan koefisien konduktivitas bahan.
The Lagrangian and Hamiltonian for RLC Circuit: Simple Case Albertus Hariwangsa Panuluh
International Journal of Applied Sciences and Smart Technologies Volume 02, Issue 02, December 2020
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v2i2.2519

Abstract

The Lagrangian and Hamiltonian for series RLC circuit has been formulated. We use the analogical concept of classical mechanics with electrical quantity. The analogy is as follow mass, position, spring constant, velocity, and damping constant corresponding with inductance, charge, the reciprocal of capacitance, electric current, and resistance respectively. We find the Lagrangian for the LC, RL, RC, and RLC circuit by using the analogy and find the kineticand potential energy. First, we formulate the Lagrangian of the system. Second, we construct the Hamiltonian of the system by using the Legendre transformation of the Lagrangian. The results indicate that the Hamiltonian is the total energy of the system which means the equation of constraints is time independent. In addition, the Hamiltonian of overdamping and critical damping oscillation is distinguished by a certain factor.
Analisis Redaman pada Osilasi Balok Kayu Risnanda Weda Manggala; Albertus Hariwangsa Panuluh
Jurnal Fisika Indonesia Vol 25, No 1 (2021)
Publisher : Department of Physics Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfi.v1i1.57939

Abstract

Telah dilakukan penelitian tentang bandul fisis untuk menentukan nilai faktor redaman dan nilai periode pada balok kayu. Sebuah balok kayu disimpangan dengan pendekatan sudut kecil. Simpangan dari balok kayu lama-kelamaan akan semakin kecil hingga akhirnya berhenti berosilasi. Hal ini menunjukkan adanya redaman. Pada saat balok diayunkan kami merekam video menggunakan kamera. Video hasil rekaman kemudian dianalisis menggunakan software LoggerPro. Hasil percobaan ini menunjukkan bahwa Faktor redaman berbanding terbalik dengan momen inersia dan periode sebanding dengan akar dari panjang bandul.
DETERMINING THE DAMPING FACTOR OF THE RULER IN WATER USING LOGGER PRO Berkatdo Silaban; Albertus Hariwangsa Panuluh; Bajongga Silaban
JPF (Jurnal Pendidikan Fisika) Universitas Islam Negeri Alauddin Makassar Vol 10 No 2 (2022): September
Publisher : Pendidikan Fisika UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jpf.v10i2.30808

Abstract

This study aims to determine the value of the damping coefficient in water for a ruler using three types of materials and two different oscillation directions. The research problem is how the damping coefficient of several types of solids oscillates in water. The type of oscillating solid is a ruler whose materials are made of aluminum, iron, and stainless steel with varying lengths and widths . The research method used is an experiment with a water sample at a temperature of 200C with a viscosity value of 1,00 mPa.s found in the faucet of the physics laboratory of the University of Sanata Dharma Yogyakarta. The data collection tool used is Video Logger Pro, which is considered to be accurate in measuring attenuation for each time it makes observations on each type of solid. Based on the results of the study by swinging the ruler in different oscillation modes at a declination angle of < 10 0, with variations in length being cut 9,5 cm, then each of them was cut back twice with the next 2 cm in length, creating three variations in length. Cut the width variation from the initial 2,6cm wide, then cut the next 0,3cm width twice so there are three width variations. Based on the results of the study, it was found that the smaller the moment of inertia, the smaller the value of the damping coefficient
Co-Authors Bajongga Silaban, Bajongga Berkatdo Silaban Elisabeth Dian Atmajati Mirza Satriawan Nidar Karyati Gulo Risnanda Weda Manggala Samuel Hia Sri Agustini Sulandari Yohanes Jeverson Bulu