Kyong Chol Han
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View article: Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer
Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer Open
Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of the deuteron (D) flux are presented. The measurements are based on 21×106 D nuclei in the rigidity range from 1.9 to 21 GV collected from…
View article: Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer
Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer Open
We report the properties of primary cosmic-ray sulfur (S) in the rigidity range 2.15 GV to 3.0 TV based on 0.38×10^{6} sulfur nuclei collected by the Alpha Magnetic Spectrometer experiment (AMS). We observed that above 90 GV the rigidity d…
View article: Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays
Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays Open
We present the precision measurements of 11 years of daily cosmic electron fluxes in the rigidity interval from 1.00 to 41.9 GV based on 2.0×10^{8} electrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Spa…
View article: Erratum: Properties of a New Group of Cosmic Nuclei: Results from the Alpha Magnetic Spectrometer on Sodium, Aluminum, and Nitrogen [Phys. Rev. Lett. <b>127</b>, 021101 (2021)]
Erratum: Properties of a New Group of Cosmic Nuclei: Results from the Alpha Magnetic Spectrometer on Sodium, Aluminum, and Nitrogen [Phys. Rev. Lett. <b>127</b>, 021101 (2021)] Open
This corrects the article DOI: 10.1103/PhysRevLett.127.021101.
View article: Temporal and spectral control of the X-ray pulses in a resonant medium with a modulated transition frequency
Temporal and spectral control of the X-ray pulses in a resonant medium with a modulated transition frequency Open
We discuss a method for controlling the spectral and temporal characteristics of x-ray radiation produced by a radioactive or synchrotron Mӧssbauer source via its propagation through an optically thick sample of resonant nuclei with a modu…
View article: Periodicities in the daily proton fluxes from 2011 to 2019 measured by the Alpha Magnetic Spectrometer on the International Space Station from 1 to 100 GV
Periodicities in the daily proton fluxes from 2011 to 2019 measured by the Alpha Magnetic Spectrometer on the International Space Station from 1 to 100 GV Open
We present the precision measurement of the daily proton fluxes in cosmic rays from May 20, 2011 to October 29, 2019 (a total of 2824 days or 114 Bartels rotations) in the rigidity interval from 1 to 100 GV based on 5.5 billion p…
View article: Amplification of a train of attosecond pulses in a plasma-based X-ray laser driven by an IR field
Amplification of a train of attosecond pulses in a plasma-based X-ray laser driven by an IR field Open
Synopsis We suggest a technique to amplify a train of attosecond pulses, produced via high-harmonic generation of an infrared laser field, in active medium of a plasma-based X-ray laser driven by a replica of the same IR field as used to p…
View article: Attosecond Pulse Amplification in a Plasma-Based X-Ray Laser Dressed by an Infrared Laser Field
Attosecond Pulse Amplification in a Plasma-Based X-Ray Laser Dressed by an Infrared Laser Field Open
High-harmonic generation (HHG) of laser radiation has led to attosecond pulse formation which offers unprecedented temporal resolution in observing and controlling electron and nuclear dynamics. But the energy of attosecond pulses remains …
View article: Properties of Cosmic Helium Isotopes Measured by the Alpha Magnetic Spectrometer
Properties of Cosmic Helium Isotopes Measured by the Alpha Magnetic Spectrometer Open
Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of ^{3}He and ^{4}He fluxes are presented. The measurements are based on 100 million ^{4}He nuclei in the rigidity range from 2.1 to 21 GV a…
View article: Jet Fragmentation via Recombination of Parton Showers and Its Medium Modification in Heavy Ion Collisions
Jet Fragmentation via Recombination of Parton Showers and Its Medium Modification in Heavy Ion Collisions Open
For jets produced in relativistic heavy ion collisions, the presence of the quark-gluon plasma (QGP) formed in the collisions not only affects their energies but is also expected to affect their hadronization. In this dissertation, we have…
View article: Jet fragmentation via recombination of parton showers
Jet fragmentation via recombination of parton showers Open
We propose to model hadronization of parton showers in QCD jets through a hybrid approach involving quark recombination and string fragmentation. This is achieved by allowing gluons at the end of the perturbative shower evolution to underg…