The explanation for these different isotopes awaited the discovery of the neutron, a neutral-charged particle with a mass similar to the proton, by the physicist James Chadwick in 1932.

For more details of this early work, see Alpha particle # History of discovery and use.

Bohr, Mottelson and Rainwater were jointly awarded the 1975 Nobel Prize in Physics " for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection ".

This was before the discovery of the particle by J. J. Thomson in 1897.

This result suggests that, if a massless spin-2 particle is discovered, it must be the graviton, so that the only experimental verification needed for the graviton may simply be the discovery of a massless spin-2 particle.

After taking further data, the group discovered that this particle did not actually exist, and the " discovery " was named " Oops-Leon " as a pun on the original name ( mispronounced ) and Dr. Lederman's first name.

This changed with the discovery of parity violations in particle physics.

This discovery would allow — two decades later — the production of long multi-strand cables that could be wound into coils to create large, powerful electromagnets for rotating machinery, particle accelerators, or particle detectors .< ref >

Later, the discovery of the pi meson showed it to have the properties of Yukawa's particle.

J. Thomson ( 1856-1940 ): showed in 1897 that cathode rays were composed of a previously unknown negatively charged particle ( later named the electron ), discovered isotopes, invented the mass spectrometer, awarded the 1906 Nobel Prize in Physics for the discovery of the electron and for his work on the conduction of electricity in gases.

* Alan Astbury, physics professor emeritus who played a part in the Nobel-prize winning discovery of a new subatomic particle and winner of the Rutherford Medal and Prize for physics

The resulting Huygens – Fresnel principle was extremely successful at reproducing light's behavior and, subsequently supported by Thomas Young's discovery of double-slit interference, was the beginning of the end for the particle light camp.

Since the vacuum offered no medium for an electric fluid to travel, this discovery could only be explained via a particle carrying a negative charge and moving through the vacuum.

Carlo Rubbia Knight Grand Cross ( born on 31 March 1934 ) is an Italian particle physicist and inventor who shared the Nobel Prize in Physics in 1984 with Simon van der Meer for work leading to the discovery of the W and Z particles at CERN.

These experiments were crucial in order to perfect the techniques needed later for the discovery of more exotic particles in a different type of particle collider.

* July 4 – CERN announces the discovery of a new particle with properties consistent with the Higgs boson after experiments at the Large Hadron Collider.

In the history of particle physics, cosmic rays were the source of the discovery of the positron, muon, and pi meson.

Discovery within the field of particle physics has an accepted definition for what constitutes a discovery: a five-sigma level of certainty.

The discovery of the gluon, the carrier particle of the strong nuclear force, in 1979 is counted as one of the biggest successes.

* 2012 CERN announces the discovery of a new particle with properties consistent with the Higgs boson of the Standard Model after experiments at the Large Hadron Collider.

He was awarded the 1995 Nobel Prize in Physics for his co-detection of the neutrino with Clyde Cowan in the neutrino experiment, and may be the only scientist in history " so intimately associated with the discovery of an elementary particle and the subsequent thorough investigation of its fundamental properties ".

The development of new particle accelerators and particle detectors in the 1950s led to the discovery of a huge variety of hadrons, prompting Wolfgang Pauli's remark: " Had I foreseen this, I would have gone into botany ".

" This tradition ended on berkelium, though, as the naming of the next discovered actinide, californium, was not related to its lanthanide analogue dysprosium, but after the discovery place.

The next reaction was used for the mendelevium discovery experiment:

After the discovery of a few meteorites in 1967, a public awareness campaign resulted in the finding of nearly 100 new specimens in the next few years, with many being

However immediately after his discovery he did not improve it, allegedly because of an agreement to spend the next five years developing the New York City electric light and power system.

The first to publish was Johann Wilhelm Ritter in 1802, albeit in an obscure journal, but over the next decade, it was announced repeatedly as a new discovery.

Her next major discovery was a partial skeleton of a new type of marine reptile in the winter of 1820 – 1821, the first of its kind to be found.

First came the 1851 discovery of powdery mildew, which severely reduced production over the next three years.

and 100 A. D. Over the next decade, more scrolls were found in caves and the discovery became known as the Dead Sea Scrolls.

She devoted the next three years of her life to Biblical study and what she considered the discovery of Christian Science.

For the next four years the Germans continued operations at New Geneva until 1807 when they moved the works to present day Glassworks near Greensboro because of the discovery of an outcrop of coal at that place.

The weapon was found the next day by the concierge during his morning cleaning ; he thought it belonged to a laborer who had moved the day before and did not notify the police of his discovery until the following day.

The next few years saw major developments at the university, including Sir Charles Sherrington's discovery of the synapse and Professor William Blair-Bell's work on chemotherapy in the treatment of cancer.

Once a device has established an IP address, the next step in UPnP networking is discovery.

He next accepted ( 1816 ) the post of ambassador at Rome, and on his way thither he discovered in the cathedral library of Verona the long-lost Institutes of Gaius, afterwards edited by Savigny, to whom he communicated the discovery under the impression that he had found a portion of Ulpian.

The next day a supply ship under the command of either Gaspar de Lemos or André Gonçalves ( the sources conflict on who was sent ) returned to Portugal to apprise the King of the discovery.

On February 18, 2009, George C. Page Museum formally announced the 2006 discovery of 16 fossil deposits which had been removed from the ground during the construction of an underground parking garage for the Los Angeles County Museum of Art next to the tar pits.

In his reply to the secretary on 18 January 1672, Newton writes: " I desire that in your next letter you would inform me for what time the society continue their weekly meetings ; because, if they continue them for any time, I am purposing them to be considered of and examined an account of a philosophical discovery, which induced me to the making of the said telescope, and which I doubt not but will prove much more grateful than the communication of that instrument being in my judgment the oddest if not the most considerable detection which hath hitherto been made into the operations of nature.

The next day a New York Times headline read, " Mormon Document Raises Doubts on Succession of Church's Leaders ," and the LDS Church was forced to confirm the discovery and publicly present the document to the RLDS Church.

She is excited to start picking up on a pattern in the readings, and Pullman tells us that this discovery of a pattern is the " second thing she said to Will next day in the Botanic Garden ", implying that the next day was Midsummer's Day, when she and Will would be sitting on the same bench in their separate worlds, and that there was something else, presumably that she loved him, that Lyra said to Will ( and perhaps would say every year ) before telling him of her reading.

This, coupled with the discovery that they could secretly alter the course of human events without affecting themselves, enables their control over the next 69, 973 centuries of human history.

Shapiro does not regard the new discovery as conclusively settling the question, but will list the Serenity Prayer under Niebuhr ’ s name in the next edition of the Yale Book of Quotations.

The next discovery is, then, etc.

In 1930, following the 1909 discovery of Charles Nicolle that lice were the vector of epidemic typhus and on the work for the vaccine for the closely related Rocky Mountain Spotted Fever, Weigl took the next step and developed a technique to produce the vaccine by growing infected lice and crushing them into a vaccine paste.