From A To Z With Energy

From A to Z with Energy!

An award-winning alphabet book that encourages playful movement and learning. “Skate along the Ice for I! For J we Jam and Jive. K’s for Kicking as you swim and float and splash and dive.” Watch the alphabet come to life as children run and twirl and jump and play and learn their way through the ABCs! Combining movement and learning, this imaginative alphabet book teaches young learners not only how to move from A to Z but also how to creatively have fun as they stay active and keep their bodies healthy and strong. The book includes a special section for parents and educators with tips for using movement to teach problem-solving, listening, and other social and emotional skills.

Range and Energy Straggling in Ion Beam Transport

A first-order approximation to the range and energy straggling of ion beams is given as a normal distribution for which the standard deviation is estimated from the fluctuations in energy loss events. The standard deviation is calculated by assuming scattering from free electrons with a long range cutoff parameter that depends on the mean excitation energy of the medium. The present formalism is derived by extrapolating Payne's formalism to low energy by systematic energy scaling and to greater depths of penetration by a second-order perturbation. Limited comparisons are made with experimental data.

High Energy Phenomena on the Sun