1998

Journals

Structure, dynamics and collisions of negative ions
T. Andersen :
Photonic, Electronic, and Atomic Collisions (World Scientific, Singapore), p. 401 (1998). 

Search for stable or metastable negative Yb ions.
H.H. Andersen, T. Andersen, and U.V. Pedersen:
Subm. to J.Phys.B, January 1998. 

Nattehimlens fysik studeret i en lagerring.
L.H. Andersen:
To be published in Naturens Verden (1998). 

Electron-impact detachment from B - 
L. H. Andersen, M. J. Jensen, H. B. Pedersen, L. Vejby-Christensen, N. Djuric 
Phys. Rev. A 58, 2819-2823, (1998). 

Dissociative recombination and excitation of 18O16O+, total cross sections and branching ratios.
D. Kella, P.J. Johnson, H.B. Pedersen, L. Vejlby-Christensen and L.H. Andersen:
Phys. Rev. A 57, 3627, (1998). 

Experimental Evidence that the 6s6p 3PJ States of Cs are Shape Resonances
M.Scheer, J. Thøgersen, R. C. Bilodeau, C. A. Brodie, H. K. Haugen, H. H. Andersen, P. Kristensen, and T. Andersen:
Phys. Rev. Lett. 80, 684, (1998) 

1997

Journals

New approaches to negative ions: Resonant ionisation spectroscopy and storage ring.
T. Andersen:
Nucl.Instr. and Methods in Phys.Research 123, 508, (1997). 

Structure and dynamics of the negative alkaline-earth ions.
T. Andersen, H.H. Andersen, P. Balling, P. Kristensen, and V.V. Petrunin:
J.Phys.B:At.Mol.Opt.Phys., 30, 3317, (1997). 

Negative Ion studies at Storage Rings
L. H. Andersen, T. Andersen, and P. Hvelplund:
Adv. At. Mol. Opt. Phys. 38, 155, (1997). 

Dissociative recombination and excitation measurement with H2+ and HD+.
L.H. Andersen, P.J. Johnson, D. Kella, H.B. Pedersen, and L. Vejlby-Christensen:
Phys.Rev. A 55, 2799, (1997). 

Experimental investigation of the H (1Po) resonance series converging to the H(n=2) threshold
H. H. Andersen, P. Balling, P. Kristensen, U. V. Pedersen, S. A. Aseyev, V. V. Petrunin, and T. Andersen:
Phys. Rev. Lett. 79, 4770, (1997). 

Carbon clusters in a storage ring.
J.U. Andersen, C. Brink, P. Hvelplund, M.O. Larsson, and H. Shen:
Z.Physik.D 40, 365, (1997). 

The source of green light emission determined from a heavy-ion storage ring experiment.
D. Kella, L. Vejlby-Christensen, P.J. Johnson, H.B. Pedersen, L.H. Andersen:
Science 276, 1530, (1997). 

New nonlinear laser techniques for studies of negative ions on and off an ion storage ring.
V.V. Petrunin, and T. Andersen:
Subm. to Hyperfine Interactions, Nov. 1997. 

On the collisionary induced destruction of short- and long-lived fullerene ions.
H. Shen, P. Hvelplund, D.C. Lorents, and D. Matthur:
Chem.Phys.Lett.264, 508, (1997). 

Complete branching ratios for the dissociative recombination of H2O+, H3O+, and CH3+.
L. Vejlby-Christensen, L.H. Andersen, O. Heber, D. Kella, H.B. Pedersen, H.T. Schmidt, and D. Zajfman:
The Astrophys. Journal 483, 531, (1997).

Conference Proceedings

News from ASTRID.
J.U. Andersen:
Proceedings of the 3rd Euroconference On Atomic Physics with Stored Ions, Ferrara,Italy. 

1996

Journals

Electron-impact detachment from Atomic and molecular negative ions.
L.H. Andersen: 
Comments At.Mol.Phys. 33, 111 (1996). 

The production of water from the dissociative recombination of H3O+.
L.H. Andersen, H.P. Pedersen, L. Vejlby-Christensen, O. Heber and D. Zajfman:
Phys.Rev.Lett. 77, 4891 (1996). 

Resonance structure in the eletron-impact detachment cross-section of C2-.
L.H. Andersen, P. Hvelplund, D. Kella, P.H. Mokler, H.B. Pedersen, H.T. Schmidt and L. Vejlby-Christensen:
J.Phys.B: At.Mol.Phys. 29, L643, (1996). 

Radiative cooling of carbon 60.
J.U. Andersen, C. Brink, P. Hvelplund, M.O. Larsson, B. Bech Nielsen and H. Shen:
Phys.Rev.Lett. 77, 3991, (1996). 

Vacuum ultraviolet spectroscopy of H- utilising a heavy ion storage ring: The region near the H(n=2) threshold.
P. Balling, P. Kristensen, H.H. Andersen, U.V. Pedersen, V.V. Petrunin, L. Præstgaard, H.K.Haugen and T. Andersen:
Phys.Rev.Lett. 77, 2905, (1996). 

Vacuum Ultraviolet Spectroscopy of H& Utilizing a Heavy-Ion Storage Ring: The Region near the H(n=2) Threshold
P. Balling, P. Kristensen, H. H. Andersen, U. V. Pedersen, V.V. Petrunin, L. Præstegaard, H. K. Haugen and T. Andersen.
Phys. Rev. Lett. 77, 2905 (1996). 

Branching Ratios for Dissociative Recombinations of 15N14N+.
D. Kella, P.J. Johnson, H.B. Pedersen, L. Vejlby-Christensen and L.H. Andersen:
Phys.Rev.Lett. 77, 2432, (1996). 

Dissociative recombination from vibrationally excited H2+ ions: The effect of laser photo dissociation on the initial vibrational distribution.
H.T. Schmidt, L. Vejlby-Christensen, H.B. Pedersen, D. Kella, N. Bjerre and L.H. Andersen:
J.Phys.B 29, 2485, (1996). 

Electron-impact detachment from negative ions.
L. Vejby-Christensen, D. Kella, D. Mathur, H.B. Pedersen, H.T. Schmidt, and L.H.Andersen. 
Phys. Rev. A 53, 2371, (1996). 

Electron-impact detachment from negative ions.
L. Vejlby-Christensen, D. Kella, D. Mathur, H.B. Pedersen, H.T. Schmidt, and L.H.Andersen: 
Phys. Rev. A 53, 2371, (1996). 

Conference Proceedings

Cooling of C60 in ASTRID, derived from observations of thermionic emissions.
J.U. Andersen:
Contribution, Workshop "Collision studies involving fullerenes" Stockholm, August 1996. 

Fullerenes in a heavy-ion storage ring. Electron emission and radiative cooling
J.U. Andersen, C. Brinck, P. Hvelplund, M.O. Larsson, and H. Shen:
ISSPIC-8 Conference, Copenhagen, June 1996. 

Electron-negative ion interaction.
L.H. Andersen: 
Invited lecture, 2nd European study conference., Stockholm, June 1996. 

Detachment and lifetimes of negative ions.
T. Andersen:
Invited lecture, 2nd European study conference, Stockholm, June 1996. 

New approaches to negative ions: Resonant ionisation spectroscopy and storage rings.
T. Andersen et al:
Invited paper, 7th International Conference On Accelerator Mass Spectroscopy, Tuscon, USA, May 1996. 

Vacuum ultraviolet spectroscopy of H-.
P. Balling, P. Kristensen, H.H. Andersen, U.V. Pedersen, V.V. Petrunin, L. Præstgaard, H.K. Haugen and T. Andersen:
QELS/CLED Conference, Los Angeles, USA, June 1996. 

Vacuum ultraviolet spectroscopy of H-.
P. Kristensen, P. Balling, H.H. Andersen, U.V. Pedersen, V.V. Petrunin, L. Præstgaard, H.K.Haugen, and T. Andersen:
15th International Conference on Atomic Physics, Amsterdam, August 1996. 

1995

Journals

Electron Impact Detachment of D-; Near-Threshold Behavior and the Non-Existence of D2- Resonances.
L.H. Andersen, D, Mathur, H.T. Schmidt, and L. Vejby-Christensen.
Phys. Rev. Lett. 74 892 (1995)

Lifetimes of Negative Ions Determined in a Storage Ring.
T.Andersen.
Physica Scripta T 59, 230 (1995)

Laser Photodetachment of C60- and C70- ions cooled in a Storage Ring.
C. Brink, L.H. Andersen, P. Hvelplund, D. Mathur, and J.D. Voldstad.
Chem. Phys. Lett. 233, 52 (1995)

Anomalous Schottky Signals from a Laser-Cooled Ion Beam
J.S. Hangst, A. Labrador, V. Lebedev, N. Madsen, J.S. Nielsen, O. Poulsen, P. Shi and J.P. Schiffer.
Phys. Rev. Lett., 74, 86 (1995)

Laser Cooling of a Bunched Beam in a Synchrotron Storage Ring
J.S. Hangst, J.S. Nielsen, O. Poulsen, P. Shi, and J.P. Schiffer.
Phys. Rev. Lett., 74, 4432 (1995)

Lifetimes and Photodetachment of Fullerene Ions Measured in a Storage Ring
P Hvelplund.
Physica Scripta T 59, 244 (1995)

Schottky noise in a laser-cooled ion beam
V.A. Lebedev, J.S. Hangst, and J.S. Nielsen.
Phys. Rev. E., 52, 4345 (1995)

Long-lived, doubly charged diatomic and triatomic molecular ions.
D. Mathur, L.H. Andersen, P. Hvelplund, D. Kella and C.P.Safvan.
J. Phys B: At. Mol. Opt. Phys. 28 3415 (1995)

Resonant Ionization Spectroscopy of Ba-: Metastable and Stable States
V.V.Petrunin, J.D.Voldstad, P.Balling, P.Kristensen, T.Andersen and H.K.Haugen.
Phys. Rev. Lett. 75, 1911 (1995)

Conference Proceedings

Dissociative recombination and excitation measurements at the ASTRID storage ring,
L.H. Andersen:
Proceedings of The Third International Symposium on Dissociative Recombination: Theory, experiment and Application
EinGedi, Israel (1995)

Tests of special relativity with laser spectroscopy of fast atoms and ions
O. Poulsen, J.S. Hangst, and J Nielsen.
NATO, ASI series, World Sci. Press, (1995)

1994

Journals

Measurements on He2- by means of a Heavy Ion Storage Ring.
T. Andersen, L.H. Andersen, N.Bjerre, P.Hvelplund and J.H.Posthumus.
J.Phys. B:At. Mol. Opt. Phys. 27, 1135 (1994)

Lifetime Measurements with Fullerene Ions in a heavy-ion Storage Ring
L.H. Andersen, C. Brink, H.K. Haugen, P. Hvelplund, D.H Yu, N. Hertel and S.P. Møller.
Chem. Phys. Lett. 217, 204, (1994)

Conference Proceedings

Laser Cooling of a Bunched Beam in ASTRID
J.S. Hangst, J.S. Nielsen, O. Poulsen, P. Shi, J.P. Schiffer, and B. Wanner.
Proceedings of the CERN Workshop on Beam Cooling and Related Topics
CERN Report No. 94-03, edited by J. Bosser, p 343, Cern, Geneva, (1994)

Laser Cooling of 24Mg+ in the ASTRID Storage Ring
J.S. Nielsen, J.S Hangst, O. Poulsen, P. Shi, J.P. Schiffer, and B. Wanner.
Proceedings of the CERN Workshop on Beam Cooling and Related Topics
CERN Report No. 94-03, edited by J. Bosser, p 339, Cern, Geneva (1994)

1993

Journals

Metastable Ion Lifetime Studies Utilizing a Heavy Ion Storage Ring: Measurements on He-.
T.Andersen, L.H.Andersen, P.Balling, H.K.Haugen, P.Hvelplund, W.W. Smith and K.Taulbjerg.
Phys Rev A. 47, 890 (1993)

Conference Proceedings

Beam Dynamics and Laser Cooling of Stored Ions
M. Kristensen, J.S. Nielsen, P. Shi, O. Poulsen, and J.S. Hangst.
Proceedings of the Thirteenth International Conference on Atomic Physics.
AIP Conference Proceedings, no 275, p. 245 (1993)

1992

Journals

Storage of Negative keV Ions in a Heavy-Ion Storage Ring.
L.Andersen, T.Andersen, H.K.Haugen, P.Hvelplund, S.P.Møller and W.W.Smith.
Phys Lett A 162 1042 (1992)

Metastable Ion Lifetime Studies Utilizing a Heavy Ion Storage Ring: Measurements on Be-.
P.Balling, L.H.Andersen, T.Andersen, H.K.Haugen, P.Hvelplund and K.Taulbjerg.
Phys Rev Lett. 69, 1042 (1992)

Laser cooling of stored beams in ASTRID: a storage ring for ions and electrons
J.S. Hangst, K. Berg-Sørensen,P.S. Jessen, M. Kristensen, K. Mølmer, J.S. Nielsen, O. Poulsen, J.S. Schiffer, P. Shi and S. P. Møller.
Nucl.Instrum.Meth. B 68, 17 (1992)

Storage-ring Experiments with 10-100-keV Ca- beams: Role of blackbody Radiation
H.K. Haugen, L.H. Andersen, T. Andersen, P. Balling, N. Hertel, P. Hvelplund and S.P. Møller.
Phys. Rev. A 46 R1 (1992)

Laser-rf double resonance spectroscopy in a storage ring
M. Kristensen, J.S. Hangst, P.S. Jessen, J.S. Nielsen, O. Poulsen and P. Shi.
Phys. Rev. A, 46, 4100 (1992)

Conference Proceedings

Laser Cooling of Stored Beams in ASTRID
J.S. Hangst, K. Berg-Sørensen, P.S. Jessen, M. Kristensen, K. Mølmer, J.S. Nielsen, O. Poulsen, J.S. Schiffer, P. Shi.
Laser manipulation of atoms and ions: Proceedings of the International School of Physics Enrico Fermi.
course 118, Varenna on Lake Como, Villa Monastero, 9-19 July, 1991
eds E. Arimondo, W.D. Phillips, and F. Strumia, Amsterdam: North-Holland, p 661 (1992)

1991

Journals

Laser Cooling of a Stored Ion beam to 1 mK
J.S. Hangst, M. Kristensen, J.S. Nielsen, O. Poulsen, J.P. Schiffer and P. Shi.
Phys. Rev. Lett., 67, 1238 (1991)

Conference Proceedings

Physics with Stored Lithium Ions: Intrabeam Relaxation, Laser Cooling and Observation of a Cold and Long Lived Ion Beam
K. Berg-Sørensen, J.S. Hangst, M. Kristensen, K. Mølmer, J.S. Nielsen, J.P. Schiffer, P. Shi and O. Poulsen.
Proceedings of the 19th INS Symposium on Cooler rings and their Application
World Scientific Press, Singapore, 1991, p. 80, ISBN: 981 02 0548 1

Laser cooling of stored beams in ASTRID
J.S. Hangst, K. Berg-Sørensen, P.S. Jessen, M. Kristensen, K. Mølmer, J.S. Nielsen, O. Poulsen, J.P. Schiffer and P. Shi.
Proceedings of the 14th Biannial Particle Accelerator Conference (IEEE, 91CH3038-7)
San Francisco, (1991). p. 1764, ISBN: 0 7803 0135 8

Laser cooling of stored beams in ASTRID
J.S. Hangst, K. Berg-Sørensen, P.S. Jessen, M. Kristensen, K. Mølmer, J.S. Nielsen, O. Poulsen, J.S. Schiffer and P. Shi.
Tenth International Conference on Laser Spectroscopy.
Font-Romeu, (1991), World Scientific Press, p.33

Last Modified 13 June 2009