conference impressions john bahcall (jnb) ness02, 9/21/02
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Conference ImpressionsConference Impressions
John Bahcall (http://www.sns.ias.edu/~jnb)
NeSS02, 9/21/02
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Thanks!
• Jordan• Tom• Kera• NSF colleagues• SOC• Speakers (especially from other countries)• Participants• Dr. Marburger
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• Your small proportional counters have an important national security application (Xe isotopes).
• Geo-biologists have found unique bacteria in extreme conditions in an active mine and could look for eukaryotes in a deep mine (and conceivably the origin of terrestrial life).
• Look how they are going to bore holes at the South Pole!
Highlights for Ray DavisHighlights for Ray Davis
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Highlights for Dick FeynmannHighlights for Dick Feynmann
• Ninety percent of what they said they were going to measure was bull. I just couldn’t figure out which 90%.
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Highlights for Dick FeynmannHighlights for Dick Feynmann
• The WIMP searches are going to be so precise that supersymmetry will be in trouble if they don’t find anything. What’s the answer if they don’t find any WIMPs?
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Feyman4
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Highlights for Dick FeynmannHighlights for Dick Feynmann
• They can make proton decay measurements at
1035 yrs. What will they see?
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Highlights for Hans BetheHighlights for Hans Bethe
• Nuclear fusion is established experimentally and solar neutrino oscillations are demonstrated. There could be p-p neutrinos for your 100th birthday!
• Sensitive experiments could see double-beta decay, proton decay, and WIMPs, but robust theories are lacking.
• Under ice and under water detectors are powerful and may see GRBs or microquasars, or more likely, surprises.
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Highlights for Willy FowlerHighlights for Willy Fowler
• With an underground laboratory, they can study stellar fusion reactions at stellar energies.
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1989
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Highlights for Willy FowlerHighlights for Willy Fowler
• The background from double beta-decay will be a problem in next generation neutrinoless double beta-decay experiments.
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Highlights for Willy FowlerHighlights for Willy Fowler
•The lab cross section for 3He ()7Be reaction is less well known than the expected 7Be solar flux.
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Why deep?Why deep?
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Eloquent arguments for ICECUBEEloquent arguments for ICECUBE
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GRBs?
by Eli Waxman
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Yogi BerraYogi Berra
“The most important sources you
will see are the sources you can’t see.”
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1964: Sole motivation1964: Sole motivation
PRL 12, 300, 1964
“… to see into the interior of a star and thus verify directly the hypothesis of nuclear energy generation in stars.”
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“From the point of view of detection probabilities , an ideal object is the Sun.”
1967: ‘Neutrino Experiments and the Problem of Leptonic Charge’
Bruno4.jpg
Sov Phys JETP 26, 984 (1968)
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Dear Dr. Marburger,
The NRC committee has reviewed
critically the scientific merit of
ICECUBE and an underground national
laboratory. We find that both are
essential for scientific progress, a
healthy economy, and a secure nation.
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Each facility will provide fundamental
advances in many different branches of
science. The discovery potential of the
National Lab and ICECUBE is 100%,
and will be guaranteed by the salary
of Professor Francis Halzen.
Sincerely,
Professor B. Boorish
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My impressionsMy impressions
• Fantastically exciting. Wonderfully stimulating. I don’t know what to work on first.
• The biology and geology presentations changed the way I think about the underground laboratory.
• The synergisms are mind boggling. • Underground science should be a major
program at NSF and DOE.
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Personal remarks to whomever cares to listen
Personal remarks to whomever cares to listen
• This is fun!
• This is exciting!
• This is important!
• This has Great outreach appeal!
• But, this is serious …