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Photoproduction of positive K mesons in hydrogen

Citation

Brody, Howard (1959) Photoproduction of positive K mesons in hydrogen. Dissertation (Ph.D.), California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-02012006-131504

Abstract

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The method of Donoho and Walker (1) for measuring K particle photoproduction has been improved in order to provide a clearer identification of the K mesons and to allow measurements at a more forward angle, 10° in the laboratory. Charged particles produced in a liquid hydrogen target by the bremsstrahlung beam were analyzed by a magnetic spectrometer. The K+ particles were identified by a time of flight velocity measurement combined with a measurement of the correlated pulse height in three scintillation counters. A lucite Cerenkov counter was used to veto fast particles ([...],[...] and e) and various counters were positioned in the magnetic field to eliminate particles that might scatter off of the pole pieces.

The results obtained are in good agreement with an isotropic angular distribution for the [...] reaction at a photon energy of 1000 MEV and in good agreement with the revised Cornell (2) data at 1010 MEV.

A cross section for the reaction [...] was measured and found to be somewhat smaller than the corresponding [...] cross section, but the large statistical errors on this one [...] point make any further analysis difficult.

Item Type:Thesis (Dissertation (Ph.D.))
Degree Grantor:California Institute of Technology
Division:Physics, Mathematics and Astronomy
Major Option:Physics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Walker, Robert Lee
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1959
Record Number:CaltechETD:etd-02012006-131504
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-02012006-131504
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:432
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:06 Feb 2006
Last Modified:26 Dec 2012 02:29

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