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On the Cover:
Experiments at many different laboratories are measuring the decay of heavy quarks and antiquarks. The measurements constrain the unitarity triangle, which represents relations among various decay rates.
Image source: CKMfitter collaboration
December 2005/January 2006:
Click here
to view the pdf of this issue.
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| From the Editor |
Commentary: Chelsea Wald
Quantum Diaries was a new and successful way of communicating for many particle physicists.
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Signal to Background
A dry run; top turns ten; neutrino interest; birthday slashdotting; PANIC trouble; posters for schools; letters. |
NOvA: A Neutrino Appearance Experiment
What happened to the universe's antimatter? The NOνA experiment hopes to find out if neutrinos played a role.
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Eco-Science
Many of the world's leading physics labs have preserved and restored their sites' unique ecosystems.
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The Search for Extra Dimensions
Theorists think that the fabric of space-time might consist of many more dimensions than meets the eye.
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Graduate School Gourmet
With little money or spare time, these physicists found unique ways to make it through graduate school.
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Deconstruction: Unitarity Triangle
If the rate of any particle decay violates the unitarity triangle, our understanding of the universe is incomplete. |
Artifact: Relativator
A circular slide-rule allowed calculations of Einstein's special relativity in a pre-calculator era.
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Essay: Heather Rock Woods
Growing up in a physics household, Heather Rock Woods learned that "physicists are far more than nerds."
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Logbook: Cosmic Rays
Enrico Fermi's notebook of December 1948 contains the genesis of his theory of cosmic rays.
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60 Seconds: B factories
By exploring the microcosm, B factories use electron-positron collisions to reveal the universe as it existed
near the time of its birth. |
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