Energy Distribution of Protons from a Target Bombarded by 190 MEV Deuterons PDF Download
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Author: Warren W. Chupp
Publisher:
ISBN:
Category : Collisions (Nuclear physics)
Languages : en
Pages : 26
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Book Description
Author: Warren W. Chupp
Publisher:
ISBN:
Category : Collisions (Nuclear physics)
Languages : en
Pages : 26
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Book Description
Author: William J. Knox
Publisher:
ISBN:
Category : Bismuth
Languages : en
Pages : 30
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Book Description
Relative neutron yields in the forward direction from various target elements bombarded with 350 Mev protons and 190 Mev deuterons have been measured. Bismuth fission chambers with a threshold of about 50 Mev were used to detect the high energy neutrons. The actual flux of protons or deuterons traversing each target was determined from the activities induced in graphite monitors attached to the target. When a deuteron beam is used, the neutron yields for light elements agree with the values predicted by the deuteron stripping theory. For the heavy elements the observed values are fitted best by adding a function proportional to Z-sq to the stripping theory values. This may be interpreted as evidence for the production of high energy neutrons by the electric field disintegration of the deuteron. The neutron yields from the proton beam vary approximately as (A - Z)(exp(2/3)) for target elements from C to U. This indicates that the heavy elements are not completely transparent to 350 Mev protons. Beryllium has an anomalous neutron yield 50% higher than that for C. Calculations and measurements on the problem of multiple traversals of beam particles through thin targets are presented.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1186
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 100
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Book Description
Author: U.S. Atomic Energy Commission
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 818
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Book Description
Consists of AECD 1-2023 (no. 1-1779 called MDDC).
Author: United States. Army Air Forces
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages : 1144
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Book Description
Author: Larry Schecter
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 96
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Book Description
An investigation has been made of the angle and energy distributions of the high energy charged particles which emerge from beryllium, carbon, and uranium nuclei bombarded by 190 Mev deuterons. The results indicate that the yields can be explained as primarily due to two kinds of processes; nucleon-nucleon interactions, and stripping. Under this assumption, the total stripping cross section has been determined to be 0.35 ℗± 0.03 barns for the lighter elements and 2.6 ℗± 0.4 barns for uranium. These values suggest an A2/3 dependence for this cross section.
Author: A. P. Barsis
Publisher:
ISBN:
Category : Deuterium
Languages : en
Pages : 636
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Book Description
Author: Lawrence M. Brown
Publisher:
ISBN:
Category : Deuterium
Languages : en
Pages : 82
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Book Description
Author: H. Wade Patterson
Publisher: Elsevier
ISBN: 0323143482
Category : Science
Languages : en
Pages : 685
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Book Description
Accelerator Health Physics tackles the importance of health physics in the field of nuclear physics, especially to those involved with the use of particle accelerators. The book first explores concepts in nuclear physics, such as fundamental particles, radiation fields, and the responses of the human body to radiation exposure. The book then shifts to its intended purpose and discusses the uses of particle accelerators and the radiation they emit; the measurement of the radiation fields - radiation detectors, the history, design, and application of accelerator shielding; and measures in the implementation of a health physics program. The text is recommended for health physicists who want to learn more about particle accelerators, their effects, and how these effects can be prevented. The book is also beneficial to physicists whose work involves particle accelerators, as the book aims to educate them about the hazards they face in the workplace.
