Science & Math: Recent submissions
Now showing items 121-140 of 248
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Neutron induced reactions for the s process, and the case of Fe and Ni isotopes
(POS, 2012)Neutron capture cross sections are the key nuclear physics input to understand nucleosynthesis of the slow neutron capture process (s process). At the neutron time of flight facility n_TOF at CERN neutron capture cross ... -
PRESENT STATUS AND FUTURE PROGRAMS OF THE n_TOF EXPERIMENT
(EDP Sciences, 2012)The neutron time-of-flight facility n_TOF at CERN, Switzerland, operational since 2001, delivers neutrons using the Proton Synchrotron (PS) 20 GeV/c proton beam impinging on a lead spallation target. The facility combines ... -
Simultaneous measurement of neutron-induced capture and fission reactions at CERN
(THE EUROPEAN PHYSICAL JOURNAL A, 2012)The measurement of the capture cross-section of fissile elements, of utmost importance for the design of innovative nuclear reactors and the management of nuclear waste, faces particular difficulties related to the γ-ray ... -
Angular distribution in the neutron-induced fission of actinides
(EDP Sciences, 2013)Above 1 MeV of incident neutron energy the fission fragment angular distribution (FFAD) has generally a strong anisotropic behavior due to the combination of the incident orbital momentum and the intrinsic spin of the ... -
High-accuracy determination of the neutron flux in the new experimental area n TOF-EAR2 at CERN
(THE EUROPEAN PHYSICAL JOURNAL A, 2013)A new high flux experimental area has recently become operational at the n TOF facility at CERN. This new measuring station, n TOF-EAR2, is placed at the end of a vertical beam line at a distance of approximately 20 m ... -
Neutron research at the N_TOF facility (CERN): Results and perspectives
(AI[P, 2013)In the first ten years of operation, the neutron time-of-flight facility n_TOF at CERN has produced a large body of new and accurate data on neutron capture and fission cross sections, relevant to Nuclear Astrophysics ... -
Performance of the neutron time-of-flight facility n TOF at CERN
(Springlink.com, 2013)The neutron time-of-flight facility n TOF features a white neutron source produced by spallation through 20 GeV/c protons impinging on a lead target. The facility, aiming primarily at the measurement of neutron-induced ... -
MEASUREMENTS OF 4K IN THE HUMAN BODY USING WHOLE BODY COUNTING (WBC) SYSTEM – POSSIBLE RELATIONSHIP OF ENHANCED INTAKE OF RADIOACTIVE 40K WITH BOD
(Bangladesh Journal of Physics, 2013)The aim of this study is to assess the amount of 40K in human tissue and establish the relationship of this amount with subject's height, weight and age using FASTSCAN Whole Body Counter (WBC) which is installed at the ... -
Measurement of the neutron-induced fission cross-section of 241Am at the time-of-flight facility n TOF
(THE EUROPEAN PHYSICAL JOURNAL A, 2013)The neutron-induced fission cross-section of 241Am has been measured relative to the standard fission cross-section of 235U between 0.5 and 20 MeV. The experiment was performed at the CERN n TOF facility. Fission ... -
Measurement and analysis of the 241Am(n,γ ) cross section with liquid scintillator detectors using time-of-flight spectroscopy at the n_TOF facility at CERN
(PHYSICAL REVIEW C, 2014)The 241Am(n,γ ) cross section has been measured at the n_TOF facility at CERN using deuterated benzene liquid scintillators, commonly known as C6D6 detectors, and time-of-flight spectrometry. The results in the ... -
62Ni(n,γ ) and 63Ni(n,γ ) cross sections measured at the n_TOF facility at CERN
(PHYSICAL REVIEW C, 2014)The cross section of the 62Ni(n,γ ) reaction was measured with the time-of-flight technique at the neutron time-of-flight facility n_TOF at CERN. Capture kernels of 42 resonances were analyzed up to 200 keV neutron energy ... -
Experimental neutron capture data of 58Ni from the CERN n TOF facility
(Physical Review C, 2014)The 58Ni(n, γ) cross section has been measured at the neutron time of flight facility n TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian ... -
Photonuclear Studies for the Isomeric Yield Ratios in the Production of natFe(,xnp)52m,gMn with 50-,60-, and 70-MeV Bremsstrahlung
(EDP Sciences, 2016)The isomeric yield ratios in the production of natFe(,xnp)52m,gMn have been measured with photonuclear reactions. The high purity natural Fe metallic foils were used and irradiated with bremsstrahlung beams of end point ... -
A Study of Measurement of Relative Dose With Various Chamber for Small Field Dosimetry of 6 MV Photon Beam
(NUCLEAR SCIENCE AND APPLICATIONS, 2017)The new technologies intensity modulated radio therapy (IMRT), image guided radio therapy (IGRT) and stereotactic radio therapy (SRT) are the improved radiotherapy techniques where proper commissioning of Clinac is necessary ... -
INTERNAL RADIATION DOSIMETRY BY WHOLE BODY COUNTING SYSTEM
(Bangladesh Journal of Physics, 2017) -
Measurement of the fission fragment angular distribution for Th- 232(n,f) at the CERN n_TOF facility
(2017)A fission reaction chamber was designed to measure the angular distribution of the fragments emitted in neutron-induced fission reactions at n_TOF. Up to ten Parallel Plate Avalanche Counters can be included and kept ... -
Measurements of Entrance Surface Dose and Effective Dose of Patients in Diagnostic Radiography
(Journal of Scientific & Technical Research, 2019)In radiography, a dose to patients primarily depends on the Entrance Surface Dose (ESD) and the sensitivity of organs which are irradiated during treatment plan. The main goal of this study is to look into the patient’s ... -
Effective Point of Measurement (EPOM) of Some Ionization Chambers for High Energy Photon Beam Dosimetry used in Radiotherapy for the Treatment of Cancer Patient
(Journal of Scientific & Technological Research, 2019)The volumetric effect occupied by the air cavity for the dosimetry of high energy photon beam is impossible to ignore using standard ionization chambers. Hence, the dose measurement should be corrected with a displacement ... -
Analysis of Percentage Depth Dose for 6 and 15 MV Photon Energies of Medical Linear Accelerator With CC13 Ionization Chamber
(NUCLEAR SCIENCE AND APPLICATIONS, 2020)The success of external beam radiotherapy is mainly depended on how to commission and safety precaution is maintained before beam is heated to infected cells. CC13, an intermediate size ionization chamber is frequently ... -
A multi-slotted antenna for LTE/5G Sub-6 GHz wireless communication applications
(International Journal of Microwave and Wireless Technologies, 2020)This paper presents a low-profile multi-slotted patch antenna for long term evolution (LTE) and fifth-generation (5G) communication applications. The studied antenna comprised of a stepped patch and a ground plane. To ...