why ssc (the bigest syclotron) not build?

Question

ssc بزرگ ترین شتاب دهنده ای که قرار بود ساخته شود ولی ساخته نشد . چرا؟

Answer 1

"The Superconducting Super Collider (SSC) was a ring particle accelerator which was planned to be built in the area around Waxahachie, Texas. It was planned to have a ring circumference of 87 km (54 miles) and an energy of 20 TeV per beam, potentially enough energy to create a Higgs boson, a particle predicted by the Standard Model, but not yet detected. The project's director was Roy Schwitters, a physicist at the University of Texas at Austin and Harvard University.
The system was first envisioned in the December 1983 National Reference Designs Study, which examined the technical and economic feasibility of a machine with the design capacity of 20 TeV per beam. After an extensive Department of Energy review during the mid 1980s, a site selection process began in 1987. The project was awarded to Texas in November 1988 and major construction began in 1991. Seventeen shafts were sunk and 23.5 km (14.6 miles) of tunnel were bored by late 1993.
During the design and the first construction stage, a heated debate ensued about the high cost of the project. In 1987, Congress was told the project could be completed for $4.4 billion, but by 1993 the cost projection exceeded $12 billion. An especially recurrent argument was the contrast with NASA's contribution to the International Space Station (ISS), which was of similar amount. Critics of the project argued that the US could not afford both of them.
The project was canceled by Congress in 1993. Many factors contributed to the shutdown of the project, although different parties disagree on which contributed the most. They include rising cost estimates, mismanagement by physicists and Department of Energy officials, the end of the need to prove the supremacy of American science with the collapse of the Soviet Union, belief that many smaller scientific experiments of equal merit could be funded for the same cost, Congress's desire to generally reduce spending, and the reluctance of Texas Governor Ann Richards and President Bill Clinton, both Democrats, to support a project begun during the administrations of Richards's Republican predecessor, Bill Clements, and Clinton's Republican predecessors, Ronald Reagan and George H. W. Bush. However, in 1993, Clinton attempted to prevent the cancellation by requesting that Congress continue "to support this important and challenging effort" through completion because "abandoning the SSC at this point would signal that the United States is compromising its position of leadership in basic science..." [1]

Personally, I think it should have been built. Maybe it will be in the future. Meanwhile CERN takes the lead.

"The Organisation européenne pour la recherche nucléaire (English: European Organization for Nuclear Research), commonly known as CERN, is the world's largest particle physics laboratory, situated just northwest of Geneva on the border between France and Switzerland. ...membership has grown to the present 20 member states.
Its main function is to provide the particle accelerators and other infrastructure needed for high energy physics research... CERN currently has just under 3000 full-time employees. Some 6500 scientists and engineers (representing 500 universities and 80 nationalities), about half of the world's particle physics community, work on experiments conducted at CERN.
Several important achievements in particle physics have been made during experiments at CERN. These include, but are not limited to:
1983: The discovery of W and Z bosons in the UA1 and UA2 experiments.
1995: The first creation of antimatter in the PS210 experiment.
The 1984 Nobel Prize in physics was awarded to Carlo Rubbia and Simon van der Meer for the W and Z boson discoveries.
The 1992 Nobel Prize in physics was awarded to Georges Charpak "for his invention and development of particle detectors, in particular the multiwire proportional chamber."
CERN operates a network of six accelerators and a decelerator... Currently active machines are:
>Two linear accelerators ...
>The PS Booster...
>The 28 GeV Proton Synchrotron...
>The Super Proton Synchrotron .... From 2007 onwards, it will inject protons and heavy ions into the Large Hadron Collider (LHC).
>The On-Line Isotope Mass Separator ...
>The Antiproton Decelerator ...
Most of the activities at CERN are currently directed towards building a new collider, the Large Hadron Collider (LHC) and the experiments for it, due to start operation in 2007. This will use the 27 km circumference circular tunnel ... [2]

Answer 2

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