CERN Accelerating science

CERN Document Server 2,036 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.61 წამი. 
1.
Cold antihydrogen experiments and radial compression of antiproton clouds in the ALPHA apparatus at CERN / Gutierrez, A
Antihydrogen is the simplest neutral antimatter atom [...]
CERN-THESIS-2016-333. -


2429/56279
10.14288/1.0223173
Full text
2.
Antiproton cloud compression in the ALPHA apparatus at CERN / Gutierrez, A (British Columbia U.) ; Ashkezari, M D (Simon Fraser U.) ; Baquero-Ruiz, M (UC, Berkeley) ; Bertsche, W (Manchester U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Burrows, C (Swansea U.) ; Butler, E (Imperial Coll., London ; CERN) ; Capra, A (York U., Toronto, Dept. Phys. Astron.) ; Cesar, C L (Rio de Janeiro Federal U.) ; Charlton, M (Swansea U.) ; Dunlop, R (Simon Fraser U.) et al.
We have observed a new mechanism for compression of a non-neutral plasma, where antiprotons embedded in an electron plasma are compressed by a rotating wall drive at a frequency close to the sum of the axial bounce and rotation frequencies. The radius of the antiproton cloud is reduced by up to a factor of 20 and the smallest radius measured is ∼ 0.2 mm. [...]
2015 - 8 p. - Published in : Hyperfine Interact. 235 (2015) 21-28
3.
On the Possibility of Non-Neutral Antiproton Plasmas and Antiproton-Positron Plasmas / Higaki, H (Tsukuba U.)
Progresses in accumulating a large number of low energy antiprotons with Antiproton Decelerator (AD), Radio Frequency Quadrupole Decelerator (RFQD), and a multiring trap in Atomic Spectroscopy And Collisions Using Slow Antiprotons (ASACUSA) enables the confinement of more than 106 antiprotons. Confinement of a larger number of antiprotons in the trap will result in a non‐neutral antiproton plasma. [...]
2005 - Published in : AIP Conf. Proc. 793 (2005) 351-360
In : Conference on Physics with Ultra Slow Antiproton Beams, Wako, Japan, 14 - 16 Mar 2005, pp.351-360
4.
Evaporative cooling of antiprotons and efforts to trap antihydrogen / Andresen, Gorm Bruun
Evaporative cooling has proven to be an invaluable technique in atomic physics, allowing for the study of effects such as Bose-Einstein condensation [...]
CERN-THESIS-2010-282 - 222 p.

Alpha - Fulltext - Full text
5.
Compressional diocotron instability in a non-neutral plasma with a stationary point in the rotation frequency profile / Romé, M ; Kotelnikov, I ; Pozzoli, R
2006 - Published in : AIP Conf. Proc.: 862 (2006) , pp. 122-127 External link: Published version from AIP
In : Workshop on Non-Neutral Plasmas 2006, Aarhus, Denmark, 25 - 29 Jun 2006, pp.122-127
6.
Non-Neutral Plasma Physics III - Non-Neutral Plasma Physics III   2 - 5 Aug 1999  - Princeton, NJ, USA  .-
New York, NY : AIP, 1999
7.
Cooling of Non-Neutral Plasma by Energy Exchange / Lee, J ; Cary, J R
2001 IEEE Published version, local copy: PDF;
In : 19th IEEE Particle Accelerator Conference, Chicago, IL, USA, 18 - 22 Jun 2001, pp.e-proc. 3891
8.
Numerical Simulations of a Crystallized Non-Neutral Plasma / Lee, J ; Cary, J R
2000 External link: Published version
In : 7th European Particle Accelerator Conference, Vienna, Austria, 26 - 30 Jun 2000, pp.e-proc. 1522
9.
Compression of a mixed antiproton and electron non-neutral plasma to high densities / Aghion, Stefano (Milan Polytechnic ; INFN, Milan) ; Amsler, Claude (Stefan Meyer Inst. Subatomare Phys.) ; Bonomi, Germano (Brescia U. ; INFN, Pavia) ; Brusa, Roberto S (Trento U. ; INFN, Trento) ; Caccia, Massimo (INFN, Milan ; Insubria U., Como) ; Caravita, Ruggero (Genoa U. ; INFN, Genoa) ; Castelli, Fabrizio (INFN, Milan ; Milan U.) ; Cerchiari, Giovanni (Heidelberg, Max Planck Inst.) ; Comparat, Daniel (LAC, Orsay) ; Consolati, Giovanni (Milan Polytechnic ; INFN, Milan) et al.
We describe a multi-step “rotating wall” compression of a mixed cold antiproton–electron non-neutral plasma in a 4.46 T Penning–Malmberg trap developed in the context of the AEḡIS experiment at CERN. Such traps are routinely used for the preparation of cold antiprotons suitable for antihydrogen production. [...]
2018 - 11 p. - Published in : Eur. Phys. J. D 72 (2018) 76
- Published in : Eur. Phys. J. D 73 (2019) 73 Erratum: PDF; Fulltext: PDF;
10.
Modeling of antihydrogen beam formation for interferometric gravity measurements / Gerber, Sebastian (CERN)
In this paper a detailed computational study is performed on the formation of antihydrogen via three-body-recombination of positrons and antiprotons in a Penning trap with a specific focus on formation of a beam of antihydrogen. First, an analytical model is presented to calculate the formation process of the anti-atoms, the yield of the fraction leaving the recombination plasma volume and their angular velocity distribution. [...]
2018 - 13 p. - Published in : J. Phys. B 51 (2018) 035008

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