Cryogenic particle accumulation in ATRAP and the first antihydrogen production within a magnetic gradient trap for neutral antimatter

C. H. Storry, A. Carew, D. Comeau, E. A. Hessels, M. Weel, M. C. George, D. Grzonka, W. Oelert, T. Sefzick, Z. Zhang, G. Gabrielse, P. Larochelle, D. LeSage, B. Levitt, W. S. Kolthammer, R. McConnell, P. Richerme, Jonathan P. Wrubel, A. Speck, F. Markert & 3 others F. Nillius, M. Scheid, J. Walz

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

ATRAP has made many important improvements since CERN's Antiproton Decelerator (AD) was restarted in 2006. These include substantial increases in the number of positrons (e+) and antiprotons (Pbars) used to make antihydrogen (Hbar) atoms, a new technique for loading electrons (e-) that are used to cool Pbars and e+, implementation of a completely new, larger and more robust apparatus in our second experimental zone and the inclusion of a quadrupole Ioffe trap intended to trap the coldest Hbar atoms produced. Using this new apparatus we have produced large numbers of Hbar atoms within a Penning trap that is located within this quadrupole Ioffe trap using a new technique which shows promise for producing even colder atoms. These observed Hbar atoms resolve a debate about whether positrons and antiprotons can be brought together to form atoms within the divergent magnetic fields of a quadrupole Ioffe trap.

Original languageEnglish
Pages (from-to)254-265
Number of pages12
JournalUnknown Journal
Volume1037
DOIs
StatePublished - 2008
Externally publishedYes

Fingerprint

antimatter
cryogenics
traps
gradients
antiprotons
atoms
quadrupoles
positrons
brakes (for arresting motion)
inclusions
magnetic fields
electrons

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Cryogenic particle accumulation in ATRAP and the first antihydrogen production within a magnetic gradient trap for neutral antimatter. / Storry, C. H.; Carew, A.; Comeau, D.; Hessels, E. A.; Weel, M.; George, M. C.; Grzonka, D.; Oelert, W.; Sefzick, T.; Zhang, Z.; Gabrielse, G.; Larochelle, P.; LeSage, D.; Levitt, B.; Kolthammer, W. S.; McConnell, R.; Richerme, P.; Wrubel, Jonathan P.; Speck, A.; Markert, F.; Nillius, F.; Scheid, M.; Walz, J.

In: Unknown Journal, Vol. 1037, 2008, p. 254-265.

Research output: Contribution to journalArticle

Storry, CH, Carew, A, Comeau, D, Hessels, EA, Weel, M, George, MC, Grzonka, D, Oelert, W, Sefzick, T, Zhang, Z, Gabrielse, G, Larochelle, P, LeSage, D, Levitt, B, Kolthammer, WS, McConnell, R, Richerme, P, Wrubel, JP, Speck, A, Markert, F, Nillius, F, Scheid, M & Walz, J 2008, 'Cryogenic particle accumulation in ATRAP and the first antihydrogen production within a magnetic gradient trap for neutral antimatter', Unknown Journal, vol. 1037, pp. 254-265. https://doi.org/10.1063/1.2977845
Storry, C. H. ; Carew, A. ; Comeau, D. ; Hessels, E. A. ; Weel, M. ; George, M. C. ; Grzonka, D. ; Oelert, W. ; Sefzick, T. ; Zhang, Z. ; Gabrielse, G. ; Larochelle, P. ; LeSage, D. ; Levitt, B. ; Kolthammer, W. S. ; McConnell, R. ; Richerme, P. ; Wrubel, Jonathan P. ; Speck, A. ; Markert, F. ; Nillius, F. ; Scheid, M. ; Walz, J. / Cryogenic particle accumulation in ATRAP and the first antihydrogen production within a magnetic gradient trap for neutral antimatter. In: Unknown Journal. 2008 ; Vol. 1037. pp. 254-265.
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AU - Nillius, F.

AU - Scheid, M.

AU - Walz, J.

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