The Alan Sondheim Mail Archive

May 12, 2005

of the job, of its execution
of the raging storm, of my ...

>> Try this, or nothing!
Unknown command.

>> A file attached to this email was removed
Unknown command.

>> because it was infected with a virus.
Unknown command.

>> Result: A virus was detected and its name was
Unknown command.

>> Virus Name: Storm and sadness, my ...
Unknown command.

>> Result: deleted
Unknown command.

- and job execution complete.

Was the job executed, i.e. rendered impotent?
Was it carried out on a stretcher?
Sic it, as in sicked it, sicced it.
The dog chases the virus, fast catch, my beloved books are saved.
Raging fire, my beloved books are saved.
Raging torrent, my ...
Raging storm, my ...
Raging flood, my ...
Raging battle, my ...
But not raging sickness nor raging job, and not raging books, and not
raging dogs
Not raging not this night nor any other, my ...
my ...


---------- Forwarded message ----------
Date: Thu, 12 May 2005 15:07:26 -0400
To: sondheim@PANIX.COM
Subject: Physics News Update 731

The American Institute of Physics Bulletin of Physics News
Number 731 May 12, 2005  by Phillip F. Schewe, Ben Stein

theoretical physicists have produced the best prediction of a
particle's mass.  And within days of their paper being submitted to
Physical Review Letters, that very particle's mass was accurately
measured at Fermilab, providing striking confirmation of the
predicted value.  How do the known particles acquire the mass they
have?  The answer might come from lattice QCD, the name for a
computational approach to understanding how quarks interact.
Imagine quarks placed at the interstices of a crystal-like
structure.  Then let the quarks interact with each other via the
exchange of gluons along the links between the quarks.  The gluons
are the designated carriers of the strong nuclear force under the
general auspices of the theory called quantum chromodynamics (QCD).
>From this sort of framework the mass of the known hadrons
(quark-containing composite particles such as mesons and baryons)
can be calculated.  Until recently, however, the calculations were
marred by a crude approximation.  A big improvement came only in
2003, when uncertainties in mass predictions went from the 10% level
to the 2% level (see Davies et al., Physical Review Letters, 16
January 2004).  The mass of the proton, for example, could be
calculated within a few percent of the actual value. Progress has
come from a better treatment of the light quarks and from greater
computer power. Together the improvements provide the researchers
with a realistic treatment of the "sea quarks," the virtual
quarks whose ephemeral presence has a noticeable influence over the
"valence" quarks that are considered the nominal constituents of a
hadron.  A proton, for example, is said to consist of three valence
quarks---two up quarks and one down quark---plus a myriad of sea
quarks that momentarily pop into existence in pairs.  Now, for the
first time, the mass of a hadron has been predicted with lattice
QCD.  Andreas Kronfeld (, 630-840-3753) and his
colleagues at Fermilab, Glasgow University, and Ohio State report a
mass calculation for the charmed B meson (Bc, for short, consisting
of an anti-bottom quark and a charmed quark).  The value they
predict is 6304 +/- 20 MeV---the remarkable precision stems not only
from the improvements discussed above, but also from the
researchers' methods for treating heavy quarks.  A few days after
they submitted their Letter for publication, the first good
experimental measurement of the same particle was announced 6287 +/-
5 MeV.  This successful confirmation is exciting, because it
bolsters confidence that lattice QCD can be used to calculate many
other properties of hadrons.  (Allison et al., Physical Review
Letters,6 May 2005, Lattice QCD website at )

NEUTRINO PULSAR.  A new hypothesis suggests that we should be able
to see beams of TeV (trillion electron volt) neutrinos coming from
certain pulsars in the sky.  A pulsar is a rotating neutron star
possessing high magnetic fields and spewing energy in a searchlight
pattern, usually observed at radio wavelengths.  According to
Bennett Link of Montana State University, the potent nature of a
young, rapidly spinning neutron star---emitting the energy of our
sun but from a surface 5 billion times smaller, and in the form of x
rays---creates electric fields of fantastic strength, some 10^15
volts.  These fields will whip protons in the vicinity up to PeV
(10^15 eV) energies.  When such protons collide with the x rays
emanating from the star, delta particles (essentially heavy protons)
can be created.  When these subsequently decay energetic neutrinos
are formed.  This whole production mechanism---proton acceleration,
delta creation, daughter neutrino cascades---sweeps around like the
radio waves normally seen from a pulsar.  With the right detector,
the pulsar would reveal itself through neutrinos.  If such a neutron
star were as far away as our sun, the Earth would receive about a
million 50-TeV neutrinos per square cm per second.  Actual pulsars
are, of course, much further away from us.  Nevertheless, Link
( estimates that there are about 10
neutrino pulsars within a distance of 15,000 light years from
Earth.  He believes that these energetic sources might result in
about 10 neutrino detections per year in a square-kilometer
detector, which is about the effective size of the so-called IceCube
facility being built now.  Neutrino pulsars could be the brightest
continuous high-energy neutrino sources in the universe and their
detection would help to bolster the idea of neutrino astronomy.
(Link and Burgio, Physical Review Letters, 13 May 2005)

PHYSICS NEWS UPDATE is a digest of physics news items arising
from physics meetings, physics journals, newspapers and
magazines, and other news sources.  It is provided free of charge
as a way of broadly disseminating information about physics and
physicists. For that reason, you are free to post it, if you like,
where others can read it, providing only that you credit AIP.
Physics News Update appears approximately once a week.

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---------- Forwarded message ----------
Date: Thu, 12 May 2005 19:33:36 -0300 (GMT-03:00)
Subject: Amazon News - May 12th, 2005

Amazon News
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Dear Friend,
read our most recent Editorial:

The news this week:

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BBC - 05/11/2005

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Boats offer services and seek votes
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2003 study will orient decision regarding federal land concessions in
Roraima state
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Empire offers devastation
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O Estado de S.Paulo - 05/08/2005

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IBGE takes away a piece of Amazonas state, which will appeal the decision
O Estado de S.Paulo - 05/06/2005

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Ag�ncia Par� - 05/06/2005

Federal government announces five measures for the Raposa Serra do Sol TI
in Roraima state
Radiobras - 05/05/2005
For the Secretary, deforestation rate is unacceptable but stable
O Estado de S.Paulo - 05/05/2005

Ministry of Health refutes report from the WHO on malaria
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