October 17, 2018

Review: Beyond the God Particle by Leon Lederman and Christopher Hill

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What’s the ‘next big thing’ in particle physics?

In early July 2012, the announcement came out of Geneva Switzerland that the Higgs boson, a.k.a. the “God Particle” had been caught in the act by researchers working at the Large Hadron Collider. [Read more...]

Review: Massive by Ian Sample.

A great scientific revolution may be upon us. This week we look at Massive: The Hunt or the God Particle by Ian Sample. Out from Virgin Books, Massive can be said to be a book over 13 billion years in the making. At the heart of the search lies a simple particle: the Higgs-boson, a hypothetical particle that imparts mass on the universe.

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29.05.10: CERN Moves into New Sub-Atomic Territory.

The Large Hadron Collider (LHC) is starting to show its stuff. Earlier this year, scientists at the CERN institute on the Swiss-French border powered LHC into uncharted territory, conducting proton collisions in the 7 trillion electron volt (TeV) range.  This is a first for particle physics. One again, the world didn’t end in a dark matter strangelet, a super-massive black hole did not emerge and burrow to the center of our planet, and time travelers from the future did not emerge to sabotage the collider.

The plan now is to run the LHC at the 7 TeV range for a period of 18 months to 2 years to gain data over known particles and check their agreement with standard particle physics, so that the search for the unknown can begin. Top of the most-wanted list is the Higgs-Boson, an undiscovered particle predicted by super-symmetry. There is a chance that the LHC will nab the Higgs-Boson in its first run if it inhabits the mass range of 160 giga-electron volts (GeV). This is doubtful, but not out of the realm of possibility, since current capabilities go down to 400 GeV. When at full power, the LHC will push those sensitivities down to 800 GeV. The sensitivity of the data measured is expected to be of the level of one inverse femtobarn. This is equal to 1 x 10-43 of a meter, or one trillionth of the diameter of a uranium nucleus. Eventual LHC runs envision detection of exotic particles all the way up into the 2 TeV range.

After the current 7TeV run is completed, a one year shut down will occur for maintenance and upgrades. The subsequent run will see the LHC operating in the 14TeV range for 8 month periods, with 4 month maintenance cycle. The LHC promises to solve the mysteries of super symmetry as well as the questions of dark matter and baryonic matter formation in the early universe. And let’s not forget the concept of string theory that is currently badly in need of observational proof. Along with the LHC, the Alpha Magnetic Spectrometer to be placed on the International Space Station later this year on the final shuttle flight promises to answer some key questions in particle physics. Could we have a Grand Unified “Theory of Everything” that you could fit onto a t-shirt in the next few years? Stay tuned!

January 2009: News & Notes.

Resuming the LHC: The Large Hadron Collider is set to resume start up tests early in the spring of 2009. This will come after its winter maintenance cycle, as well as investigation into a helium leak believed to have been caused by a faulty electrical connection during the otherwise successful September 10th startup.

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Election 08′; What About the Science?

Ok, this week, Astroguyz will get political. I promise not to bludgeon my fans with it like the rest of popular media.

We here at Astroguyz decided to do this piece not just to jump on the election year band wagon, but as an effort to educate ourselves. Frequently, we hear much talk about Iraq and the economy during an election, but little about science. [Read more...]