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Energy physics experiments

Xem 1-20 trên 24 kết quả Energy physics experiments
  • Part 2 book "Fundamentals of physics II - Electromagnetism, optics, and quantum mechanics" includes content: Electromagnetic waves, electromagnetism and relativity, optics I - Geometric optics revisited, optics II - More mirrors and lenses, wave theory of light, quantum mechanics - The main experiment, the wave function and its interpretation, quantization and measurement, states of definite energy, scattering and dynamics, summary and outlook.

    pdf301p muasambanhan08 01-03-2024 3 1   Download

  • In ebook "Molecular science of fluctuations toward biological functions" the importance of fluctuations for biological reactions is discussed from various points of view. Understanding the biological reactions at the molecular level is one of the major targets in many scientific fields, including not only basic biology but also physics, physical chemistry, and medical science.

    pdf276p lamquandat 28-12-2023 4 2   Download

  • Part 1 of ebook "A first Introduction to quantum physics" presents the following content: chapter 1 - Three simple experiments; chapter 2 - Photons and interference; chapter 3 - Electrons with spin; chapter 4 - Atoms and energy; chapter 5 - Operators; chapter 6 - Entanglement;...

    pdf119p damtuyetha 09-01-2023 11 3   Download

  • Telescope detectors have long been studied for their capability of discriminating the type of radiation detected. Silicon is the most widely used material for solid-state detectors. However, in many nuclear physics experiments and medical applications, diamond offers significant advantages due to its outstanding features, such as a near tissue equivalence, high radiation hardness and reliable operation in harsh environments.

    pdf10p vironald 15-12-2022 11 3   Download

  • The stable phase of Gd, Tb, Sc, Y and Yb metals can be determined by examining the Helmholtz free energy at a given temperature, i.e. the phase that gives the lowest free energy will be stable. These findings on the structural phase transition temperature are in agreement with previous experiments.

    pdf6p tamynhan9 02-12-2020 12 0   Download

  • This research performed ab-initio calculations to find the possible doped position of V atoms into the lattice of TiO2 anatase and compared that with experimental results. Calculated formation energies of un-doped and doped models prove that V atoms prefer to substitute into Ti positions rather than O positions or interstitial positions, in a good agreement with XPS results.

    pdf8p tamynhan9 02-12-2020 7 0   Download

  • Organic agriculture is a low cost and effective way to help many of the world’s poorest people to have good levels of nutrition and a better quality of life. Present experiment was carried out at BCKV, Kalyani, Nadia, West Bengal during the Kharif season of 2013 and 2014 with the objective to study the effect of organic nutrient and plant protection management practices on soil physical properties, economics and to frame the energy budgeting of organic rice cultivation.

    pdf13p angicungduoc6 22-07-2020 8 0   Download

  • Various engineering properties of rice husk, rice straw, sugarcane bagasse and cotton stalk were estimated. Experiment was performed at SPRERI (Sardar Patel Renewable Energy Research Institute), Vallabh Vidyanagar, Gujarat. Different physical properties of these residues such as moisture content, bulk density, true density, porosity, angle of repose and thermal properties like volatile matter, ash content and fixed carbon was measured. Bulk density of rice husk and rice straw was 331.59 kg/m3 and 380.54 kg/m3 respectively.

    pdf6p chauchaungayxua5 08-05-2020 19 0   Download

  • In India 82 per cent of farmers are small and marginal farmers whose acreage is less than 2 ha. These farmers play a pivotal role in Indian economy. Majority of these farmers practicing mono crop cultivation. Discouraging results of monoculturing (non-integrated system) on crop productivity, led to the development of integrated farming system (IFS) strategy which enables adequate income, employment, nutritional security and eco friendly. IFS has many advantages over the monoculturing.

    pdf10p nguaconbaynhay3 07-02-2020 19 0   Download

  • By expanding the calculations we investigated a four-nucleon model of the nucleus which takes into account the delta meson. The main results show that without the addition of Goguta-Bodmer, the expected compression value is still obtained, and the slope and curvature of the symmetrical energy are also consistent with the experiment.

    pdf11p vigustavia2711 19-12-2019 18 0   Download

  • The trajectory of particle beams can be obtained by using an active gas target, multiple-sampling and tracking proportional chamber (MSTPC), as a proportional counter. Because of intensity of low energy radioactive beam, in the stellar reaction such as (α, p), (p, α),. . . it is necessary to increase the gain for the counter. In this case, a gas electrons multiplier (GEM) foil will be used, so the proportional counter is called GEM-MSTPC.

    pdf5p nguyenthuy1207 13-10-2018 23 0   Download

  • We present polarization- and angle-resolved optical reflection of a fine artificial opal photonic crystal consisting of SiO2 spheres into a face-centered-cubic lattice. The measurement shows the polarization dependence on high-order reflection (energy region a/λ = 1.0 – 1.5). It is shown that the reflection peaks are strongly dependent on s- and p-polarized light illuminating on the sample. The experiment results are analyzed and compared with photonic bands which are obtained according to prediction based on group theory.

    pdf8p thuyliebe 08-10-2018 29 0   Download

  • The following strategy is used to reconstruct the strange hyperon Ω. In the LHCb experiment, the hadrons p, π and K are identified by the RICH detector with PT threshold > 100 MeV. Only Lambda particles (from channel Λ → p + π) with PT > 500 MeV are chosen to combine with kaon daughter particle in order to reconstruct a strange hyperon Ω. The reconstructed particles are accepted as Ω candidates in the case it satisfies several criteria such as its invariance mass must be located within the window mass ±50 MeV/c2 around the nominal value.

    pdf6p thuyliebe 08-10-2018 21 0   Download

  • The calculations are based on the linearized Boltzmann equation (BE) and the relaxation time approximation, assuming the scattering by acoustic phonons to be quasi-elastic. We consider three physically distinct temperature ranges with respect to phonon scattering: the Bloch-Gruneisen ¨ (BG), equipartition (EP), and inelastic regimes.

    pdf10p thuyliebe 08-10-2018 25 2   Download

  • This paper presents the results of an experimental study of three samples containing various elements in the near-surface layers. The depth profiles of all the elements of different atomic masses from hydrogen to silver were investigated by Rutherford Backscattering Spectrometry (RBS) and Elastic Recoil Detection Analysis (ERDA). The experiments were performed by using the low-energy (about 2 MeV) 4He+ ion beams.

    pdf10p thuyliebe 08-10-2018 16 1   Download

  • The workplace as a health promotion setting Workplace health promotion (WHP) programmes, targeting physical inactivity and unhealthy dietary habits, are effective in improving health- related outcomes such as obesity, diabetes and cardiovascular disease risk factors. Enhancing employee productivity, improving corporate image and moderating medical care costs are some of the arguments that might foster senior management to initiate and invest in WHP programmes.

    pdf52p nhacchovina 22-03-2013 66 6   Download

  • Some twenty five countries have experimented with environmental accounting over the past twenty years. A few European countries have established physical accounting systems which are routinely compiled and applied to economic and environmental policy-making. Many other countries have undertaken more limited or one-time experiments and case studies with monetary environmental accounts, focused on issues such as forestry, soil erosion, and minerals depletion. A few examples suggest the richness of their experience.

    pdf14p taisaovanchuavo 26-01-2013 60 8   Download

  • The wavelength shift effect of the Whispering Gallery Mode (WGM) laser with Er3+ /Yb3+ co-doped phosphate glass microsphere has been investigated. The experiment was carried out by half fiber taper coupling technique. The microsphere lasers have been pumped at 980 nm to take full advantage of energy transfer effect from ion Ytterbium to ion Erbium. The WGM’s wavelength shift were analyzed for sphere diameters of 90 µm. The observed lasing lines extends from 1532 nm to 1611 nm.

    pdf8p tuanlocmuido 19-12-2012 35 2   Download

  • Radioactive sources which used to study were the standardized radioactive of common monoenergetic radionuclide Cs137 and standardized multigamma Co60, Ba133, Eu152. Determination of the absolute efficiency curve and energy resolution as a function of energy of GEM40P4 HPGe spectrometer are presented in this paper.

    pdf6p tuanlocmuido 19-12-2012 41 3   Download

  • The bremsstrahlung beam with energy end point of 65M eV created when the e− beam with energy of 65M eV irradiated to thin wolfram target was used to irradiate to TiO2 sample in order to make the 46 Ti (γ, pn)44m,g Sc reaction. The gamma spectrum of Sc44m,g was analyzed by the gammavision spectrometry with HPGe detector at linear accelerator laboratory in POSTECH, Korea.

    pdf6p tuanlocmuido 19-12-2012 46 3   Download

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