In this volume we discuss the various types of radiation interaction with matter. The radiations of primary concern in this special volume originate in atomic or nucleus processes. They are conventionally categorized into four general types as follows:

• Charged particulate particle
  • Fast electron
  • Heavy charged particles
• Uncharged radiation
  • Electromagnetic radiation
  • Neutron

Fast electron includes beta particles (positive and negative) emitted in nuclear decay, as well as energetic electrons produced by any other process. Heavy charged particles denote a category that encompasses all energetic ions mass of one atomic unit or greater, such as alpha particles, proton, and fission products of many nuclear reactions. The electromagnetic radiation of interest includes x-rays emitted in rearrangement of electron shell of atom and gamma rays that originate from transitions within the nucleus itself. Neutrons generated in various nuclear processes constitute the final major category, which is often further divided into slow and fast neutron subcategories.

We invite researcher to contribute original research articles as well as review articles that will stimulate the continuing efforts to understand the issues relating to radiation interaction with matter. Potential topics include, but are not limited to:

• Fundamental processes in radiation physics
• Radiation spectroscopy
• Radiation sources and detectors
• Radiation shielding
• Simulation codes and radiation transport
• Application of radiation, for example, to material science, environmental sciences, earth science, and biomedical applications, and so forth
• Luminescence and scintillation properties of materials
• New technologies and industrial applications
• Radiation damage on electronic devices
• Cosmic rays interactions with atmosphere and aircrafts
• Radiation damages on live tissues (radiation biology)

Before submission authors should carefully read over the journal’s Author Guidelines, which are located at http://www.hindawi.com/journals/stni/guidelines/. Prospective authors should submit an electronic copy of their complete manuscript through the journal Manuscript Tracking System at http://mts.hindawi.com/submit/journals/stni/irmr/ according to the following timetable: