\"Nobel Prize in Physics\" James Cronin Hand Signed Announcement For Sale

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\"Nobel Prize in Physics\" James Cronin Hand Signed Announcement:
$69.99

Up for sale the "Nobel Prize in Physics" James Cronin Hand Signed Announcement Dated 1996. 

ES-4701

Cronin was born in Chicago, Illinois, and attended Southern Methodist University in Dallas, Texas. He and

co-researcher Val Logsdon Fitch were awarded the 1980 Nobel Prize in Physics for a 1964

experiment that proved that certain subatomic reactions do not adhere to

fundamental symmetry principles. Specifically, they proved, by examining the

decay of kaons, that a reaction run in

reverse does not merely retrace the path of the original reaction, which showed

that the interactions of subatomic particles are not invariant

under time reversal. Thus the phenomenon of CP violation was discovered. Cronin received the Ernest Orlando

Lawrence Award in 1976 for major experimental contributions to particle physics

including fundamental work on weak interactions culminating in the discovery of

asymmetry under time reversal. In 1999, he was awarded the National Medal of

Science.Cronin was Professor Emeritus at the University of Chicago winning the

prestigious Quantrell Award and a spokesperson emeritus for the Auger project. He was a

member of the Board of Sponsors of the Bulletin of the

Atomic Scientists. James Cronin was born on September 29, 1931. His father,

James Farley Cronin, was a graduate student of classical languages at the University of Chicago. After his father had

obtained his doctorate the family first moved to Alabama, and later in 1939 to Dallas, Texas, where his father

became a professor of Latin and Greek at Southern Methodist

University. After high school Cronin stayed in Dallas and obtained an

undergraduate degree at Southern Methodist University in physics and

mathematics in 1951. For graduate school Cronin moved back to Illinois to attend the

University of Chicago. His teachers there included Nobel Prize laureates Enrico Fermi, Maria Mayer, Murray He wrote his thesis on experimental nuclear physics under supervision

of Samuel K. Allison. After obtaining his

doctorate in 1955, Cronin joined the group of Rodney L. Cool and Oreste Piccioni at Brookhaven National

Laboratory, where the new Cosmotron particle accelerator had just been

completed. There he started to study parity violation in the decay of hyperon particles. During that time he also met Val Fitch, who brought him to Princeton University in Fall 1958.

After Cosmotron underwent magnet failure, Cronin and the Brookhaven group moved

to Bevatron at the University of

California, Berkeley during the first half of 1958. Cronin and Fitch studied

the decays of neutral K mesons, in which they discovered CP violation in 1964. This

discovery earned the duo the 1980 Nobel Prize in Physics. After the discovery,

Cronin spent a year in France at the Centre d'Études Nucléaires at Saclay. After returning to Princeton he continued studying the

neutral CP violating decay modes of the long-lived neutral K meson. In 1971, he

moved back to the University of Chicago to become a full professor. This was

attractive for him because of a new 400 GeV particle accelerator being

built at nearby Fermilab. When he moved to Chicago, he began a long series of experiments on

particle production at high transverse momentum. With physicist Pierre Piroue

and colleagues we learned about many things. These are summarized in Physical

Review D, vol 19, page 764 (1977). Following these experiments Cronin took a sabbatical

at CERN in 1982–83, where he performed an experiment to measure

of the lifetime of the neutral

pion (Physics Letters vol 158 B page 81, 1985). He then switched to the

study of cosmic rays. The first was a series of measurements looking for point

sources of cosmic rays. No sources were found. A summary of the measurements

was published in Physical Review D vol 55 page 1714 (1997). In 1998 he joined

the faculty at the University of Utah on a half-time

basis to work on ultra-high-energy

cosmic ray physics and to jumpstart the Pierre Auger

Observatory project. His appointment was to last five years, but he left

after a year to continue gathering international support for the Observatory

with Alan Watson and Murat Boratav. Cronin is one of the 20

American recipients of the Nobel Prize in Physics to sign a letter addressed to

President George W. Bush in May of 2008, urging him to "reverse

the damage done to basic science research in the Fiscal Year 2008 Omnibus

Appropriations Bill" by requesting additional emergency funding for

the Department of Energy’s Office of Science, the National Science

Foundation, and the National

Institute of Standards and Technology

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