Zobrazeno 1 - 10 of 10 pro vyhledávání: '"S. J. Kerrigan"'
1
Antihydrogen formation dynamics in a multipolar neutral anti-atom trap
Autor: Robert Thompson, A. Olin, Richard Hydomako, S. Seif El Nasr, L. V. Jørgensen, Ryugo S. Hayano, James William Storey, C. L. Cesar, Gorm Bruun Andresen, J. S. Hangst, Francis Robicheaux, Walter Hardy, M. C. Fujiwara, C. C. Bray, William Bertsche, Yasunori Yamazaki, Leonid Kurchaninov, P. J. Nolan, K. Olchanski, D. P. van der Werf, A. J. Humphries, R. Lambo, Joel Fajans, Jonathan Wurtele, E. Butler, Niels Madsen, P. D. Bowe, M. Charlton, S. J. Kerrigan, D. M. Silveira, S. Chapman, Petteri Pusa, D. R. Gill, A. Povilus, E. Sarid, Michael E. Hayden
Publikováno v: Andresen, G, Bertsche, W, Bowe, P D, Bray, C, Butler, E, Cesar, C L, Chapman, S, Charlton, M, Fajans, J, Fujiwara, M C, Gill, D R, Hangst, J S, Hardy, W N, Hayano, R S, Hayden, M E, Humphries, A J, Hydomako, R, Jørgensen, L V, Kerrigan, S J, Kurchaninov, L, Lambo, R, Madsen, N, Nolan, P, Olchanski, K, Olin, A, Povilus, A, Pusa, P, Robicheaux, F, Sarid, E, Seif El Nasr, S, Silveira, D M, Storey, J W, Thompson, R I, van der Werf, D P, Wurtele, J S & Yamazaki, Y 2010, ' Antihydrogen formation dynamics in a multipolar neutral anti-atom trap ', Physics Letters B: Particle Physics, Nuclear Physics and Cosmology, vol. 685, no. 2-3, pp. 141-145 . https://doi.org/10.1016/j.physletb.2010.01.066
Antihydrogen production in a neutral atom trap formed by an octupole-based magnetic field minimum is demonstrated using field-ionization of weakly bound anti-atoms. Using our unique annihilation imaging detector, we correlate antihydrogen detection b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5faced66b583a5edc6f7a5acf5cefcb2
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2
Antiproton, positron, and electron imaging with a microchannel plate/phosphor detector
Autor: G. B. Andresen, W. Bertsche, P. D. Bowe, C. C. Bray, E. Butler, C. L. Cesar, S. Chapman, M. Charlton, S. Seif El Nasr, J. Fajans, M. C. Fujiwara, D. R. Gill, J. S. Hangst, W. N. Hardy, R. S. Hayano, M. E. Hayden, A. J. Humphries, R. Hydomako, L. V. Jørgensen, S. J. Kerrigan, L. Kurchaninov, R. Lambo, N. Madsen, P. Nolan, K. Olchanski, A. Olin, A. P. Povilus, P. Pusa, E. Sarid, D. M. Silveira, J. W. Storey, R. I. Thompson, D. P. van der Werf, Y. Yamazaki, null ALPHA Collaboration
Publikováno v: Andresen, G, Bertsche, W, Bowe, P D, Bray, C C, Butler, E, Cesar, C L, Chapman, S, Charlton, M, Fajans, J, Fujiwara, M C, Gill, D R, Hangst, J S, Hardy, W N, Hayano, R S, Hayden, M E, Hydomako, R, Jørgensen, L V, Kerrigan, S J, Kurchaninov, L, Lambo, R, Madsen, N, Nolan, P, Olchanski, K, Olin, A, Povilus, A P, Pusa, P, Sarid, E, Seif El Nasr, S, Silveira, D M, Storey, J W, Thompson, R I, van der Werf, D P & Yamazaki, Y 2009, ' Antiproton, positron, and electron imaging with a microchannel plate/phosphor detector ', Review of Scientific Instruments, vol. 80, no. 123701 . https://doi.org/10.1063/1.3266967
A microchannel plate (MCP)/phosphor screen assembly has been used to destructively measure the radial profile of cold, confined antiprotons, electrons, and positrons in the ALPHA experiment, with the goal of using these trapped particles for antihydr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62ef165f4000550b4ab3d02a63fb291a
https://cronfa.swan.ac.uk/Record/cronfa7407
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3
Three-body effects in positron annihilation on molecules
Autor: M. Charlton, D. P. van der Werf, S. J. Kerrigan, Richard Lewis, P. R. Watkeys
Detailed studies of the behaviour of positrons in selected room temperature molecular gases at densities below 1 amagat (≡ 2.69 × 1025 molecules m−3) have allowed the isolation of two- and three-body effects upon the rate of annihilation. Invest
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97b3eb0984ff9b3965511ff9c1b34b3f
https://cronfa.swan.ac.uk/Record/cronfa15943
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4
The behaviour of positron clouds in the single-particle regime under the influence of rotating wall electric fields
Autor: C. J. Baker, M. Charlton, S. J. Kerrigan, D. P. van der Werf, T Mortensen, C. A. Isaac
Publikováno v: New Journal of Physics. 14:075022
Positron clouds are compressed following accumulation in a Surko- type two-stage buffer gas trap using an asymmetric rotating wall electric field. An analytic theory used to describe measurements of the rate of compression is discussed. Furthermore,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf8e5b5d0eee1e85e0e90228721bed30
https://doi.org/10.1088/1367-2630/14/7/075022
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7
Magnetic multipole induced zero-rotation frequency bounce-resonant loss in a Penning–Malmberg trap used for antihydrogen trapping
Autor: Leonid Kurchaninov, M. Charlton, E. Sarid, K. Olchanski, A. Olin, William Bertsche, Michael E. Hayden, Jonathan Wurtele, James William Storey, Robert Thompson, D. M. Silveira, Petteri Pusa, D. P. van der Werf, S. Seif El Nasr, A. J. Humphries, Niels Madsen, Eoin Butler, P. J. Nolan, Yasunori Yamazaki, Walter Hardy, Joel Fajans, A. Povilus, C. L. Cesar, Gorm Bruun Andresen, C. C. Bray, Francis Robicheaux, J. Keller, M. C. Fujiwara, D. R. Gill, R. Lambo, S. J. Kerrigan, Scott Chapman, Ryugo S. Hayano, Richard Hydomako, L. V. Jørgensen
Publikováno v: Andresen, G, Bertsche, W, Bray, C C, Butler, E, Cesar, C L, Chapman, S, Charlton, M, Fajans, J, Fujiwara, M C, Hardy, W N, Hayano, R S, Hayden, M E, Humphries, A J, Hydomako, R, Jørgensen, L V, Kerrigan, S J, Keller, J, Kurchaninov, L, Lambo, R, Madsen, N, Nolan, P, Olchanski, K, Olin, A, Povilus, A, Pusa, P, Robicheaux, F, Sarid, E, Seif El Nasr, S, Silveira, D M, Storey, J W, Thompson, R I, van der Werf, D P, Wurtele, J S & Yamazaki, Y 2009, ' Magnetic multipole induced zero-rotation frequency bounce-resonant loss in a Penning–Malmberg trap used for antihydrogen trapping ', Physics of Plasmas, vol. 16, no. 10, pp. 100702 . https://doi.org/10.1063/1.3258840
In many antihydrogen trapping schemes, antiprotons held in a short-well Penning–Malmberg trap are released into a longer well. This process necessarily causes the bounce-averaged rotation frequency Ω¯r of the antiprotons around the trap axis to p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9aa87b4782ddcdbd94a5dccdd485ead7
https://doi.org/10.1063/1.3258840
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8
Weakly bound positron–electron pairs in a strong magnetic field
Autor: D. P. van der Werf, C. A. Isaac, David C. S. Beddows, Helmut H. Telle, P. R. Watkeys, S. J. Kerrigan, C. J. Baker, M. Charlton
Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 41:245003
Weakly bound positron–electron pairs have been created in vacuum following low energy positron bombardment of a surface held at a temperature close to 4 K. The pairs, which behave as magnetized positronium atoms in the strong (>1 T) magnetic fields
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58f52ad31252d40996c9f888b1f632c0
https://doi.org/10.1088/0953-4075/41/24/245003
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10
The ALPHA antihydrogen trapping apparatus
Autor: M. J. Jenkins, Ryugo S. Hayano, D. R. Gill, K. Olchanski, James William Storey, Yasunori Yamazaki, S. J. Kerrigan, Petteri Pusa, J. L. Hurt, D. P. van der Werf, Richard Hydomako, A. J. Humphries, Francis Robicheaux, Joel Fajans, Svante Jonsell, D. M. Silveira, D. Seddon, Niels Madsen, J. T. K. McKenna, Brett Parker, Marcelo Baquero-Ruiz, Andrea Gutierrez, E. Sarid, L. V. Jørgensen, S. Menary, Jonathan Wurtele, D. Wells, A. Deller, M. E. Hayden, Chukman So, A. Olin, M. D. Ashkezari, Leonid Kurchaninov, P. J. Nolan, M. Charlton, P. D. Bowe, Andrew Marone, Robert Thompson, A. Capra, C. Amole, Eoin Butler, J. Escallier, Stefan Eriksson, S. Seif El Nasr, P. T. Carpenter, William Bertsche, J. Thornhill, A. Povilus, T. Friesen, C. A. Isaac, Scott Chapman, C. L. Cesar, J. S. Hangst, Gorm Bruun Andresen, W. N. Hardy, M. C. Fujiwara
Publikováno v: Amole, C; Andresen, GB; Ashkezari, MD; Baquero-Ruiz, M; Bertsche, W; Bowe, PD; et al.(2014). The ALPHA antihydrogen trapping apparatus. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 735, 319-340. doi: 10.1016/j.nima.2013.09.043. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/5nt9j6r3
Amole, C, Andresen, G B, Ashkezari, M D, Baquero-Ruiz, M, Bertsche, W, Bowe, P D, Butler, E, Capra, A, Carpenter, P T, Cesar, C L, Chapman, S, Charlton, M, Deller, A, Eriksson, S, Escallier, J, Fajans, J, Friesen, T, Fujiwara, M C, Gill, D R, Gutierrez, A, Hangst, J S, Hardy, W N, Hayano, R S, Hayden, M E, Humphries, A J, Hurt, J L, Hydomako, R, Isaac, C A, Jenkins, M J, Jonsell, S, Jørgensen, L V, Kerrigan, S J, Kurchaninov, L, Madsen, N, Marone, A, McKenna, J T K, Menary, S, Nolan, P, Olchanski, K, Olin, A, Parker, B, Povilus, A, Pusa, P, Robicheaux, F, Sarid, E, Seddon, D, Seif El Nasr, S, Silveira, D M, So, C, Storey, J W, Thompson, R I, Thornhill, J, Wells, D, Van Der Werf, D P, Wurtele, J S & Yamazaki, Y 2014, ' The ALPHA antihydrogen trapping apparatus ', Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 735, pp. 319-340 . https://doi.org/10.1016/j.nima.2013.09.043
The ALPHA collaboration, based at CERN, has recently succeeded in confining cold antihydrogen atoms in a magnetic minimum neutral atom trap and has performed the first study of a resonant transition of the anti-atoms. The ALPHA apparatus will be desc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3515edc7214ee5b19800e12cf38ac334
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