Zobrazeno 1 - 10
of 34
pro vyhledávání: '"D.E. Lobb"'
Autor:
A. A. Green, A. K. Opper, S.I.H. Naqvi, R. Churchman, S. Yen, D.A. Hutcheon, J. Zhao, C. A. Miller, W. R. Falk, O. Häusser, P.W. Green, P. A. Reeve, Y. Ke, A. Otter, Nadeem A. Khan, J. Chakhalyan, P.L. Walden, T. G. Walton, K. Hicks, D.E. Lobb, W.C. Olsen, C. Haddock, M. A. Punyasena, D. Frekers, R. Abegg, E. Korkmaz, G. Jones, E.G. Auld, F. A. Duncan, M. Hartig, A. G. Ling, J.R. Campbell
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 421:142-162
A new Q–Q-Clamshell magnetic spectrometer called SASP has been commissioned in the proton hall at TRIUMF. The principal optical characteristics are: a solid angle acceptance of 13.5 msr, a momentum bite of 25%, a momentum resolution of Δ p / p =2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ebc0e03582546386a2cea97d68f16e7
https://doi.org/10.1016/s0168-9002(98)00930-9
https://doi.org/10.1016/s0168-9002(98)00930-9
Publikováno v:
Nuclear Instruments and Methods. 179:171-180
A system designed to accept ion beams from a Cs sputter source and inject them into a Tandem Van de Graaff accelerator is described. Several modes of operation of the device are possible, including simultaneous injection of two or more isotopes, cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfc0738b8bc977b9de839a227077a58f
https://doi.org/10.1016/0029-554x(81)91178-2
https://doi.org/10.1016/0029-554x(81)91178-2
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 148:163-166
A simple method based on Maxwell's equations and cylindrical symmetry is used to interpolate between values of a cylindrically symmetric magnetic field tabulated over a rectangular grid.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a1394471b1d273e0d52441419fbc36c
https://doi.org/10.1016/0029-554x(78)90348-8
https://doi.org/10.1016/0029-554x(78)90348-8
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 160:383-391
Two coaxial coils produce a magnetic field that can be utilized for a high acceptance (∼ 1 sr) secondary particle channel. The beam optical properties of such systems are discussed and numerical results are presented for point sources and sources o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a25ba20174fedc27889e1a0e02e206d8
https://doi.org/10.1016/0029-554x(79)90191-5
https://doi.org/10.1016/0029-554x(79)90191-5
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 245:316-322
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16f1557be6f4e51c42803ebcfaada766
https://doi.org/10.1016/0168-9002(86)91264-7
https://doi.org/10.1016/0168-9002(86)91264-7
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 86:177-187
The equations of motion for a charged particle in a two-dimensional magnetic quadrupole field with quadrupole or higher multipolarity error field wpresent have been solved numerically. It is found that the errors in trajectory coordinates as a result
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::890aa3064fc476a31a68cc2e084b57b1
https://doi.org/10.1016/0029-554x(70)90698-1
https://doi.org/10.1016/0029-554x(70)90698-1
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 46:181-193
The stepped-field configuration for focussing and confining a positron beam in a linear accelerator is analyzed. Two methods of analysis are presented: (1) an analysis based on an idealized concept of a uniform short axial field with a discontinuous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eacda6108dc0e36e4f6c610c6ac257c
https://doi.org/10.1016/0029-554x(67)90071-7
https://doi.org/10.1016/0029-554x(67)90071-7
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 103:271-275
A method is presented for determining which second-order terms have the greatest effect on a particle trajectory and which trajectories are so affected. A method is presented for calculating the maximum value of a position coordinate when second-orde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5491fbd226ac28e7aead36851a5730f
https://doi.org/10.1016/0029-554x(72)90386-2
https://doi.org/10.1016/0029-554x(72)90386-2
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 87:59-72
The usual first-order matrix treatment for charged particle trajectories through beam transport system elements is applied to the case where the element axis is displaced from the system axis. The method used is to transform the trajectory coordinate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d54ab04da109da58cb7e9ddbde4da87e
https://doi.org/10.1016/0029-554x(70)90882-7
https://doi.org/10.1016/0029-554x(70)90882-7
Autor:
D.E. Lobb
Publikováno v:
Nuclear Instruments and Methods. 64:251-267
The potentials and field vectors for a two-dimensional magnetic field of multipolarity 2N are derived. The usual results for quadrupoles (N=2), sextupoles (N=3) and octupoles(N=4) are obtained by substituting the appropriate value of N into the gener
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b22c2009b5eccba9c7ed95838ba7fa31
https://doi.org/10.1016/0029-554x(68)90161-4
https://doi.org/10.1016/0029-554x(68)90161-4