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SUMMARY:HINTS FOR NEW PHYSICS IN B-CP ASYMMETRIES: MAY BE WE ARE EIGHT NOW
 ?
DTSTART;VALUE=DATE-TIME:20090727T193000Z
DTEND;VALUE=DATE-TIME:20090727T195000Z
DTSTAMP;VALUE=DATE-TIME:20130523T025544Z
UID:indico-contribution-26@cern.ch
DESCRIPTION:Speakers: SONI\, Amarjit (BNL)\n“ B-CP anomalies\, “4th”
  generation and the LHC\n\n\nAbstract  Although the CKM-paradigm  works ap
 proximately to O(20%)\,  there are by now several indications that suggest
  the need for  beyond the Standard Model CP-odd phase(s). The value of sin
  2β measured via the goldplated (tree) mode\, B → ψK s is smaller than
  the value deduced by using improved lattice matrix elements. The value of
  sin 2β measured via ‘penguin-dominated’ (loop) decays tends to be ev
 en smaller still. There is also a rather large difference between the dire
 ct CP asymmetries in  → K − π + and B − → K − π 0 that is rath
 er difficult to understand. Also recently\, CDF and D0 are finding about a
  signal of CP asymmetry  B s → ψϕ. If true\, this would be consistent 
 with the indications of new CP-phase in penguin b → s transitions seen a
 t B-factories.   We emphasize that the data are quite suggestive of a four
 th family with m_ t' in the range of 400–600 GeV as perhaps the simplest
  BSM candidate which ‘naturally’ explains the data.  This picture lead
 s to significant repercussions for the LHC which will be explored.\n\nhttp
 ://indico.cern.ch/contributionDisplay.py?contribId=26&sessionId=28&confId=
 41044
LOCATION:Wayne State University
URL:http://indico.cern.ch/contributionDisplay.py?contribId=26&sessionId=28
 &confId=41044
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