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Topic: Ernest Marsden

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	The World & I: Ernest Rutherford
		Ernest Rutherford was born at Spring Grove in rural Nelson on August 30, 1871, the second son and fourth child of 12 born to James and Martha Rutherford.
		Ernest was lucky to avoid the drowning fate of two of his brothers and lucky to be taught by a country schoolteacher of above-average ability.
		Ernest Rutherford died at age 66 on October 19, 1937, because of delays in operating on his partially stangulated umbilical hernia.
	www.worldandi.com /specialreport/rutherford/rutherford.html (3532 words)

	Ernest Rutherford - Scientist Supreme
		Ernest Rutherford was born at Spring Grove in rural Nelson on August 30th 1871, the second son and fourth child of twelve born to James and Martha Rutherford.
		Ernest was lucky to avoid the drowning fate of two of his brothers and lucky to be taught by a country school-teacher of above average ability.
		Ernest Rutherford left New Zealand in 1895 as a highly skilled 23-year-old who held three degrees from the University of New Zealand and had a reputation as an outstanding researcher and innovator working at the forefront of electrical technology.
	www.rutherford.org.nz /biography.htm (3932 words)

	Geiger-Marsden experiment - Wikipedia, the free encyclopedia
		Geiger and Marsden bombarded a number of different metal foils with alpha particles generated from a tube of radium bromide gas.
		A low power microscope was used to count the scattering of these particles, a procedure requiring many hours in a darkened room watching for tiny flashes of light as the scattered particles struck a zinc sulfide scintillant screen.
		Geiger H. and Marsden E. On a Diffuse Reflection of the α-Particles".
	en.wikipedia.org /wiki/Geiger-Marsden_experiment (651 words)

	Rutherford, Ernest (1871-1937) (Site not responding. Last check: 2007-11-03)
		Ernest Rutherford was one of the pioneers of nuclear physics.
		In 1907, he returned to Cambridge and, during his work on nuclear physics, asked his two research students, Hans Geiger and Ernest Marsden, to investigate the scattering of alpha-particles from a thin piece of gold foil.
		Geiger and Marsden performed further experiments that lent strong support to this description and in 1911 Rutherford formally proposed the nuclear model of the atom, which has since formed the basis of successful atomic models.
	www.rdg.ac.uk /physicsnet/units/flap/glossary/biogs/brutherf.htm (453 words)

	Rutherford, Ernest (Site not responding. Last check: 2007-11-03)
		Ernest Rutherford was born on August 30, 1871, near Nelson, New Zealand.
		British physicist Ernest Rutherford (middle), recipient of the 1908 Nobel Prize in chemistry, "for his investigations into the disintegration of the elements, and the chemistry of radioactive substances."
		In 1909 Rutherford gave his student Ernest Marsden the task of studying whether metal would deflect the path of an α-particle.
	www.chemistryexplained.com /Ru-Sp/Rutherford-Ernest.html (792 words)

	Selected Classic Papers from the History of Chemistry
		Hans Geiger and Ernest Marsden: 1909 paper reporting unexpected backscatter of alpha particles; interpretation of this phenomenon led to the nuclear model of the atom.
		Hans Geiger and Ernest Marsden: 1913 paper comparing backscatter of alpha particles to the predictions of Rutherford's nuclear model of the atom.
		Ernest Rutherford: 1920 lecture describing the state of knowledge of nuclear structure at a time after the discovery of isotopy and atomic number but before the neutron; the standard picture included electrons in the nucleus.
	web.lemoyne.edu /~giunta/papers2.html (2364 words)

	Ernest Rutherford
		Ernest Rutherford, Baron Rutherford of Nelson, nuclear physicist and winner of the 1908 Nobel Prize for Chemistry, is to be ranked in fame with Sir Isaac Newton and Michael Faraday.
		In 1887 Ernest won a scholarship to Nelson College, a secondary school, where he was a popular boy, clever with his hands, and a keen footballer.
		This phenomenon of scattering was found in the counting experiments with Geiger; Rutherford suggested to Geiger and a student, Ernest Marsden, that it would be of interest to examine whether any particles were scattered backward--i.e., deflected through an angle of more than 90 degrees.
	peace.nobel.brainparad.com /ernest_rutherford.html (1967 words)

	THE MARSDEN GALLERY (Site not responding. Last check: 2007-11-03)
		This is one of only two known photos of Ernest and the only one of Annie, who by this time would have been married to John Ford Afflick though the marriage has, for the moment, eluded me. Ernest was a butcher with premises in Leeds but had to abandon the business owing to ill-health.
		John William was the brother of Annie and Ernest, the only three to survive of the seven children of Thomas Marsden and his wife Jane (nee Adamson).
		Ida was the oldest Marsden family member surviving when I began researching the family history and she added a lot of detail to the bare outline I had developed from civil registration records.
	www.marsden-ons.co.uk /Gallery/pics-000.htm (547 words)

	Evans Analytical Group LLC (Site not responding. Last check: 2007-11-03)
		By 1909, Ernest Rutherford had established that alpha particles consisted of helium with +2 charge.
		Marsden observed that the vast majority of alpha particles (He++) passed cleanly through a thin gold foil, but that some were scattered at all angles from the incoming He++ beam.
		Rutherford proceeded from this observation to propose the existence of the atomic nucleus.
	www.eaglabs.com /en-US/references/tutorial/rbsinst/rhistory.html (247 words)

	What is the Alpha Particle? Rutherford
		His correct interpretation of that scattering led to the realization that most of the mass of an atom is concentrated in a tiny core or nucleus [Rutherford 1911]; thus it is to Rutherford that we owe the nuclear atom and nuclear physics.
		Hans Geiger and Ernest Marsden, "On a Diffuse Reflection of the α-Particles,"
		Ernest Rutherford, "The Scattering of α and β Particles by Matter and the Structure of the Atom,"
	web.lemoyne.edu /~giunta/EA/ROYDSann.HTML (3574 words)

	Bolton Remembers the War - People
		Ernest was born in 1924 at 21 Park View, Eagley Bank.
		After VJ Day the priority was dropping supplies for the various prisoner of war camps, including Saigon, and Kanchanaburi.
		Ernest finally arrived home in November 1946, was demobbed in1947 and went back to the Coop.
	www.boltonswar.org.uk /s-ernest-marsden.htm (535 words)

	Ernest Marsden - Wikipedia
		Geboren in der englischen Grafschaft Lancashire, kam er als Student in Kontakt mit dem Experimentalphysiker Sir Ernest Rutherford und Hans Geiger, mit denen er an der University of Manchester an der Erforschung der Struktur des Atoms arbeitete.
		Marsden kehrte 1954 nach Neuseeland zurück und wurde 1958 zum Ritter geschlagen.
		Nach ihm wurde der Marsden Fund (ein wissenschaftlicher Fonds) benannt.
	de.wikipedia.org /wiki/Ernest_Marsden (291 words)

	Ernest Rutherford: "The Structure of the Atom" first printing
		Working with his colleague Hans Geiger and his student and experimental assistant Ernest Marsden, Ernest Rutherford directed a series of experiments involving the shooting of alpha particles through thin gold foil to determine the nature of particle scattering.
		To his utter astonishment, the experiments showed that instead of all the alpha particles passing through the thin gold foil, as was expected, certain particles actually bounced back.
		The next talk was delivered by Ernest Rutherford, professor of physics at Manchester University, who introduced those present to what is certainly one of the most influential ideas of the entire century- the basic structure of the atom.
	www.manhattanrarebooks-science.com /rutherford1911.htm (515 words)

	The Geiger-Marsden Experiment
		The alpha particles scatter off the foil and are detected by a flash of light when they hit the scintillation screen.
		In 1908 Hans Geiger and Ernest Marsden, working with Ernest Rutherford of the Physical Laboratories at the University of Manchester, measured the angular distribution of alpha particles scattered from a thin gold foil in an experiment illustrated in figure 18.3.
		Ernest Rutherford calculated the probability for an alpha particle, considered to be a positive point charge, to be scattered through various angles by a stationary atomic nucleus, assumed also to be a positive point charge.
	www.physics.nmt.edu /~raymond/classes/ph13xbook/node189.html (438 words)

	The Science Bookstore - Chronology (Site not responding. Last check: 2007-11-03)
		Ernest Rutherford discovers that uranium radiation is composed of positively charged alpha particles and negatively charged beta particles
		Ernest Rutherford and Thomas Royds demonstrate that alpha particles are doubly ionized helium atoms
		Ernest Rutherford, existence of the proton in nucleus
	www.thesciencebookstore.com /chron.asp?searchstring=Rutherford (369 words)

	The Science Bookstore - Chronology (Site not responding. Last check: 2007-11-03)
		Hans Geiger and Ernest Marsden, under the supervision of Ernest Rutherford, scatter alpha particles off a gold foil and observe large angles of scattering, suggesting that atoms have a small, dense, positively charged nucleus.
		Ernest Rutherford infers the nucleus as the result of the alpha-scattering experiment performed by Hans Geiger and Ernest Marsden.
		Ernest Rutherford explains the Geiger-Marsden experiment by invoking a nuclear atom model and derives the Rutherford cross section
	www.thesciencebookstore.com /chron.asp?searchstring=Marsden (218 words)

	Rutherford Scattering
		In Ernest Rutherford's laboratory, Hans Geiger and Ernest Marsden (a 20 yr old undergraduate student) carried out experiments to study the scattering of alpha particles by thin metal foils.
		Based on the Thomson model of the atom, all of the alpha particles should have been found within a small fraction of a degree from the beam, but Geiger and Marsden found a few scattered alphas at angles over 140 degrees from the beam.
		Geiger and Marsden showed that the number of scattered alpha particles as a function of scattering angle was consistent with a small, concentrated positive nucleus.
	hyperphysics.phy-astr.gsu.edu /HBASE/nuclear/rutsca2.html (1010 words)

	Science Museum \| Atomic Firsts \| Ernest Rutherford and the splitting of the atom (Site not responding. Last check: 2007-11-03)
		ernest rutherford and the splitting of the atom
		Ernest Rutherford is one of the most famous scientists to have worked in Britain.
		His most celebrated achievement was to ‘split the atom’, a concept which caught the imagination of the public at the time of its development, and continues to do so today.
	www.sciencemuseum.org.uk /on-line/atomicfirsts/page2.asp (577 words)

	The Gold Foil Experiment
		Before Ernest Rutherford's landmark experiment with a few pieces of metal foil and alpha particles, the structure of the atom was thought to correspond with the plum pudding model.
		Throughout the course of his experiment, Rutherford had his two associates (Hans Geiger and Ernest Marsden) aim a beam of alpha particles at a piece of gold foil that was approximately 8.6 x 10^(-6) centimeters thick.
		Therefore to confirm this activity, a zinc sulfide screen was placed behind the foil as a backdrop for the alpha particles to appear upon.
	myweb.usf.edu /~mhight/goldfoil.html (1041 words)

	RSNZ/Marsden Update 20
		The RACAH project, led by Marsden researchers, Professor Phil Butler and Dr Mike Reid, takes its name from Giulio Racah, the physicist who, during the 1940s, applied symmetry principles to atomic spectra (the patterns of particular colours emitted, for example, by sodium and neon lamps and fluorescent lights).
		The Marsden Fund Council was impressed with the standard of the proposals but regrets that within the available resources not all the excellent proposals could be funded.
		Sir Ernest Marsden was born in the small town of Rishton, northwest of Manchester, in 1889.
	www.rsnz.org /funding/marsden_fund/news21/index.php (8312 words)

	Proton
		It was another year and a half before Ernest Rutherford and Mary Newton became husband and wife.
		From Geiger's measurements, he knew that the probability of small deflections adding up to more than 90 degrees was less than one in a billion.
		Yet when Geiger and Marsden counted alpha particles, they found that about one in 8000 was deflected by a large angle.
	members.tripod.com /~NerdiE/proton.htm (1604 words)

	ernestrutherford
		Ernest Rutherford, a chemist who studied radioactivity, won the Nobel Prize for his efforts in
		Ernest Rutherford, born the fourth child of twelve, grew up in New Zealand on the South Island.
		Ernest Rutherford was undoubtedly one of the most impressive scientists within the last two
	ed.augie.edu /~calacroi/ernestrutherford.html (730 words)

	energy and matter aim 1
		Rutherford, Ernest (1871-1937) was a British physicist who first explained that radioactivity is produced by the disintegration of atoms and discovered that alpha particles consist of helium nuclei.
		Geiger and Marsden found that a few particles were deflected through angles of more than 90and#176; by the foil.
		Rutherford followed up earlier work by Marsden in which scintillations were noticed in hydrogen bombarded by alpha particles well beyond their range in the gas.
	www.chemcool.com /biography/rutherford.htm (1923 words)

	Hans Geiger Summary
		Nonetheless, Geiger and Marsden continued their experiments to test the theory for another year, completing them in June of 1912.
		Trenn, a modern physics scholar, characterized Geiger's and Marsden's work of this period: "It was not the Geiger-Marsden scattering evidence, as such, that provided massive support for Rutherford's model of the atom.
		In 1902 Geiger began to study physics and mathematics in Erlangen and later attained a doctorate in 1906.
	www.bookrags.com /Hans_Geiger (4150 words)

	[No title]
		Ernest Rutherford was responsible for a remarkable series of discoveries in the fields of radioactivity and nuclear physics.
		He discovered alpha and beta rays, and he set forth the laws of radioactive decay, and identified alpha particles as helium nuclei.
		Ernest Rutherford finds the first evidence for a proton.
	www.angelfire.com /folk/rutherford (1098 words)

	Geiger-Marsden experiment - Wikipedia Mirror
		From this Rutherford concluded that the atom contained a very small positive charge which could repel the alpha particles if they came close enough, subsequently developed into the Bohr model.
		The Rutherford atom had a number of problems, in particular electrons should radiate electromagnetic energy and rapidly spiral into the nucleus.
		Geiger H. and Marsden E. (1909). "On a Diffuse Reflection of the α-Particles".
	www.wiki-mirror.be /index.php/Geiger-Marsden_experiment (582 words)

	marsden - Ask.com Web Search
		The Royal Marsden NHS Foundation Trust was the first dedicated cancer hospital in the world.
		When Geiger reported to Rutherford that an undergraduate student, Ernest Marsden, was ready for a project of his own,...
		Sir Ernest Marsden a remarkable life in science...
	search.ask.com /web?q=marsden (218 words)

	Rutherford Experiment
		Rutherford, who recently had discovered that alpha particles could be slightly deflected on passing through dense matter, thought that a systematic study of alpha particle scattering may shed light on the density of Thomson's pudding.
		In 1909, an undergraduate student working in Rutherford's lab, Ernest Marsden, was given the project of studying alpha-particle scattering through a large angle.
		Rutherford privately believed such a phenomena was probably not possible as they believed the alpa was a very fast massive particle with so much energy that it was unlikely that it could be deflected by much, but he thought it would be a good training exercise for Marsden.
	www.pha.jhu.edu /courses/2006_fall/173_308/Rutherford/Rutherford.html (628 words)

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