Hidden Worlds
Princeton University Press (Verlag)
978-0-691-12241-0 (ISBN)
No one has ever seen a quark. Yet physicists seem to know quite a lot about the properties and behavior of these ubiquitous elementary particles. Here a top researcher introduces us to a fascinating but invisible realm that is part of our everyday life. Timothy Smith tells us what we know about quarks--and how we know it. Though the quarks that make science headlines are typically laboratory creations generated under extreme conditions, most quarks occur naturally. They reside in the protons and neutrons that make up almost all of the universe's known matter, from human DNA to distant nebulae, from books and tables to neutron stars. Smith explains what these quarks are, how they act, and why physicists believe in them sight unseen. How do quarks arrange themselves? What other combinations can nature make? How do quarks hold nuclei together? What else is happening in their hidden worlds? It turns out that these questions can be answered using a few simple principles, such as the old standby: opposites attract.
With these few principles, Smith shows how quarks dance around each other and explains what physicists mean when they refer to "up" and "down" quarks and talk about a quark's color, flavor, and spin. Smith also explains how we know what we know about these oddly aloof particles, which are eternally confined inside larger particles. He explains how quark experiments are mounted and how massive accelerators, targets, and detectors work together to collect the data that scientists use to infer what quarks are up to. A nonmathematical tour of the quark world, this book is written for students, educators, and all who enjoy scientific exploration--whether they seek a taste of subnuclear physics or just wonder about nature on the smallest of scales.
Timothy Paul Smith is Assistant Research Professor at Dartmouth College and was previously a Research Scientist at the Massachusetts Institute of Technology Bates Linear Accelerator Center.
LIST OF FIGURES ix ACKNOWLEDGMENTS xi CHAPTER ONE: Hidden Worlds: The Search for Quarks in Ordinary Matter 1 CHAPTER TWO: The Rise and Fall (for the right reasons) and Rise Again of the Quark Hypothesis 15 CHAPTER THREE: The Players and the Stage 33 CHAPTER FOUR: The Nature of the Evidence 51 CHAPTER FIVE: Measuring a Rainbow 68 CHAPTER SIX: Particle Taxonomy and Quark Soup 90 CHAPTER SEVEN: The Shape of Things 109 CHAPTER EIGHT: Three Quarks Plus 131 CHAPTER NINE: Digging a Little Deeper 148 CHAPTER TEN: A New Age of Exploration within the Hidden World 161 GLOSSARY 165 INDEX 175
| Erscheint lt. Verlag | 27.3.2005 |
|---|---|
| Zusatzinfo | 2 halftones. 43 line illus. |
| Verlagsort | New Jersey |
| Sprache | englisch |
| Maße | 152 x 235 mm |
| Gewicht | 28 g |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik |
| Naturwissenschaften ► Physik / Astronomie ► Hochenergiephysik / Teilchenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| ISBN-10 | 0-691-12241-5 / 0691122415 |
| ISBN-13 | 978-0-691-12241-0 / 9780691122410 |
| Zustand | Neuware |
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