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Relation to LHC

An tex2html_wrap_inline1399 linear collider has been emphasized [8] to complement a pp collider under the current schedule: that the LHC will have 9.3TeV collisions in 2004 then full 14TeV in 2007. [7] The most relevant complementarity is that a 300GeV tex2html_wrap_inline1399 collider can certainly find a light Higgs boson of tex2html_wrap_inline1427 tex2html_wrap_inline1429 tex2html_wrap_inline1427 tex2html_wrap_inline1433 , the ultimate performance that the LHC needs to discover, since the Higgs boson is a key concerning electroweak symmetry breaking. For full complementarity to a pp collider, tex2html_wrap_inline1399 collider should operate at the optimum center-of-mass energies with high beam polarizations for detailed studies of top quark, Higgs boson and tex2html_wrap_inline1427 tex2html_wrap_inline1429 tex2html_wrap_inline1427 tex2html_wrap_inline1433   particles, as mentioned in the previous section. [3]

Since the both colliders have many overlapping regions, though concerning different aspects, to explore new physics, even at a 500GeV tex2html_wrap_inline1399 linear collider, we should also emphasize competition for simultaneous experiments. We have learned from history that healthy competition has generally promoted high-energy physics programs in the world, and has contributed to the understanding of fundamental physics.

Toshiaki Tauchi
Fri, Dec 20, 1996 02:24:05 PM