Zobrazeno 1 - 10
of 10
pro vyhledávání: '"M. J. Jakobson"'
Autor:
R. P. Redwine, G. R. Burleson, I. Halpern, H. O. Meyer, R. H. Jeppesen, L. D. Knutson, K. F. Johnson, R. E. Marrs, M. J. Jakobson, D. C. Hagerman, M. D. Cooper, Mikkel B. Johnson
Publikováno v:
Physical Review C. 27:697-708
Measurements have been made of the attenuation cross sections for both ..pi../sup +/ and ..pi../sup -/ mesons on Al, /sup 40/Ca, Cu, Sn, Ho, and Pb nuclei. The measurements were made at several energies between 114 and 215 MeV. A new method of data a
Autor:
G. R. Burleson, J. A. Becker, H. Marshak, L. D. Knutson, H. O. Meyer, M. J. Jakobson, D. C. Hagerman, K. F. Johnson, T. R. Fisher, B. A. Watson, R. P. Redwine, R. E. Marrs, R. H. Jeppeson, M. D. Cooper, I. Halpern
Publikováno v:
Physical Review C. 16:2367-2375
Autor:
I. Halpern, M. D. Cooper, G. R. Burleson, H. O. Meyer, L. D. Knutson, J. R. Calarco, R. E. Marrs, R. P. Redwine, R. H. Jeppeson, K. F. Johnson, M. J. Jakobson, D. C. Hagerman
Publikováno v:
Physical Review Letters. 38:1201-1204
Measurements of the total cross section differences sigma/sub T/(/sup 48/Ca) - sigma/sub T/(/sup 40/Ca) and sigma/sub T/(/sup 44/Ca) - sigma/sub T/(/sup 44/Ca) are reported for positive and negative pions. Optical-model calculations are used to extra
Autor:
F.H. Schmidt, M. J. Jakobson
Publikováno v:
Review of Scientific Instruments. 25:136-139
It is shown that the push‐pull mode of oscillation of a conventional two‐dee cyclotron can be described in terms of a ground potential surface between the dees. Unbalance in dee voltages arising from changes in capacitance or inductance of one de
Autor:
M. J. Jakobson, R. J. Hayden
Publikováno v:
IEEE Transactions on Nuclear Science. 30:2540-2542
The space charge computer program SCHAR uses macrofilaments or macroparticles to model the effects of space charge in ion transport. The program calculates the transport properties of beams of non-relativistic charged particles using two alternative
Autor:
M. J. Jakobson, R. J. Hayden
Publikováno v:
IEEE Transactions on Nuclear Science. 32:2519-2521
Macrofilament simulation of high current beam transport through a series of solenoids has been used to investigate the sensitivity of such calculations to the initial beam distribution and to the number of filaments used in the simulation. The transp
Autor:
M. J. Jakobson, F.H. Schmidt
Publikováno v:
Physical Review. 93:303-305
It is proposed to accelerate ions in a fixed-frequency cyclotron, either with the dee voltages 180\ifmmode^\circ\else\textdegree\fi{} out-of-phase, or with the dee voltages in-phase. This is possible if the angular extent of the dee electrodes is mad
Autor:
M. J. Jakobson, R. H. Jeppesen
The principal effort has been devoted to the data analysis for the pion-nucleus total cross section experiment. Forward scattering amplitudes have been obtained for ..pi..+- mesons on Al, /sup 40/Ca, Cu, Sn, Ho, and Pb. These results are given. Work
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49edf5ee28b8246eb32e7d58cdba25de
https://doi.org/10.2172/5001745
https://doi.org/10.2172/5001745
Autor:
Mikkel B. Johnson, K. F. Johnson, R. E. Marrs, R. P. Redwine, L. D. Knutson, I. Halpern, G. R. Burleson, M. D. Cooper, M. J. Jakobson, D. C. Hagerman, H. O. Meyer, R. H. Jeppesen
Publikováno v:
AIP Conference Proceedings.
Measurements have been made of the attenuation cross section, σ (Ω), for both π+ and π− projectiles on Al, 40Ca, Cu, Sn, Ho, and Pb nuclei. The measurements were made over a range of energies including 63, 115, 140, 165, and 215 MeV. A new meth
Autor:
M. J. Jakobson, J. H. Manley
Publikováno v:
Review of Scientific Instruments. 25:368-369
A simple time‐of‐flight method has been employed as a means of measuring cyclotron beam energy. Through use of a movable and a fixed stilbene scintillation detector, a phase delay measured in terms of the cyclotron frequency is introduced by the