New results on atomic masses and nuclear decay rates from experiments at FRS-ESR (2009)
C. Scheidenberger, F. Attallah, K. Beckert, P. Beller, F. Bosch, D. Boutin, ...
New experimental results on gross properties of exotic nuclear beams, studied at FRS-ESR, are presented: the direct observation of boundstate beta-decay, half-lives of bare nuclei in isomeric states,...
He-6 and neutron momentum distributions from He-8 in nuclear break-up reactions at 240 MeV/u (2009)
Nilsson, T., Humbert, F., Schwab, W., Simon, H., Smedberg, M.H., Zinser, M., ...
Neutron and He-6 momentum distributions from He-8 break-up reactions in a C target have been measured at 240 MeV/u. The two-neutron removal cross section was found to be sigma(-2n) = 0.27 +/- 0.03 b....
Invariant-mass spectroscopy of Li-10 and Li-11 (2009)
Zinser, M., Humbert, F., Nilsson, T., Schwab, W., Simon, H., Aumann, T., ...
Break-up of secondary Li-11 ion beams (280 MeV/nucleon) on C and Pb targets into Li-9 and neutrons is studied experimentally. Cross sections and neutron multiplicity distributions are obtained,...
Direct experimental evidence for strong admixture of different parity states in Li-11 (2009)
Simon, H., Aleksandrov, D., Aumann, T., Axelsson, L., Baumann, T., García Borge, María José, ...
Peripheral fragmentation of a 287 MeV/nucleon beam of the halo nucleus Li-11 incident on a carbon target has been studied in a fragment-neutron coincidence experiment. The momentum distribution of...
Aleksandrov, D., Aumann, T., Axelsson, L., Baumann, T., García Borge, María José, Chulkov, L.V., ...
Momentum distributions and invariant mass spectra from the breakup of He-6 ions with an energy of 240 MeV/u interacting with a carbon target have been studied. The data were used to extract...
Baumann, T., García Borge, María José, Geissel, H., Lenske, H., Markenroth, K., Schwab, W., ...
The fragment separator FRS at GSI was used as an energy-loss spectrometer to measure the longitudinal momentum distributions of C-16,C-18 fragments after one-neutron removal reactions in C-17,C-19...
Continuum excitations in He-6 (2009)
Aumann, T., Aleksandrov, D., Axelsson, L., Baumann, T., García Borge, María José, Chulkov, L.V., ...
The three-body breakup He-6 --> He-4 + n + n is studied experimentally, using a secondary He-6 ion beam of 240 MeV/nucleon incident on carbon and lead targets. integrated cross sections for one- and...
New results on the halo structure of B-8 (2009)
Smedberg, M.H., Baumann, T., Aumann, T., Axelsson, L., Bergmann, U., García Borge, María José, ...
The longitudinal momentum distribution of Be-7 fragments after fragmentation of B-8 and the one-proton removal cross section (sigma(-1p)) in a carbon target were measured at 1440 MeV/u with the...
Large spin alignment of the unbound He-5 fragment after fragmentation of 240 MeV/nucleon He-6 (2009)
Chulkov, L.V., Aumann, T., Aleksandrov, D., Axelsson, L., Baumann, T., García Borge, María José, ...
Peripheral fragmentation of a 240 MeV/nucleon beam of the halo nucleus He-6 incident on carbon target has been studied in a kinematically complete experiment. It is found that one-neutron stripping...
He-8-He-6: a comparative study of electromagnetic fragmentation reactions (2009)
Meister, M., Markenroth, K., Aleksandrov, D., Aumann, T., Baumann, T., García Borge, María José, ...
Dissociation of a 227 MeV/u He-8 beam in a lead target has been studied in a kinematically complete experiment. The results are compared with similar data from the well-known halo nucleus He-6....
He-8-He-6: a comparative study of nuclear fragmentation reactions (2009)
Markenroth, K., Meister, M., Eberlein, B., Aleksandrov, D., Aumann, T., Axelsson, L., ...
Dissociation of 227 MeV/u He-8 in a carbon target has been studied in kinematically complete experiments. The data include the relative energy spectrum, angular distributions in the neutron knock-out...
Orbital electron capture decay of hydrogen- and helium-like 142Pm ions (2009)
Winckler, Nicolas, Geissel, H., Litvinov, Yuri, Beckert, K., Bosch, F., Boutin, D., ...
`9`6Ru(p,#g)`9`7Rh measurement at the GSI storage ring. (2009)
Zhong, Q., Aumann, T., Bishop, S., Blaum, K., Boretzky, K., Bosch, F., ...
Nuclear Physics in Astrophysics IV (NPAIV), Gran Sasso, I, June 8-12, 2009
One-nucleon removal cross-sections for C-17,C-19 and B-8,B-10 (2008)
Cortina-Gil, G., Baumann, T., Geissel, H., Lenske, H., Sümmerer, K., Axelsson, L., ...
One-neutron removal cross-sections (sigma-(1n)) of C-17,C-19 in various targets at about 900 MeV/nucleon, and one-proton removal cross-sections (sigma-(1p)) of B-8,B-10 about 1400 MeV/nucleon were...
Searching for the H-5 resonance in the t + n + n system (2008)
Meister, M., Chulkov, L. V., Simon, H., Aumann, T., García Borge, María José, Elze, Th. W., ...
The unbound hydrogen isotopes H-4,H-5 have been studied in the one-proton knockout channel of He-6 (240 MeV/u) impinging on a carbon target. The triton fragments originating from this channel were...
Evidence for a new low-lying resonance state in He-7 (2008)
Meister, M., Markenroth, K., Aleksandrov, D., Aumann, T., Axelsson, L., Baumann, T., ...
Low-lying resonance states in He-7(He-6 + n), formed after fragmentation reactions of a 227 MeV/nucleon He-8 beam on a carbon target, have been studied. Coincidences between He-6 nuclei and neutrons,...
The t+n+n system and H-5 (2008)
Meister, M., Chulkov, L. V., Simon, H., Aumann, T., García Borge, María José, Elze, Th. W., ...
The one-proton knockout channel from He-6 (240 MeV/u) impinging on a carbon target has been investigated. The triton fragments originating from this channel were detected in coincidence with the two...
Weber, C., Ferrer, R., Fröhlich, C., Ackermann, D., Äystö, J., ...
The masses of very neutron-deficient nuclides close to the astrophysical rp- and nu p-process paths have been determined with the Penning trap facilities JYFLTRAP at JYFL/Jyv\"askyl\"a and SHIPTRAP...
Two- and three-body correlations: breakup of halo nuclei (2008)
Simon, H., Aumann, T., García Borge, María José, Chulkov, L.V., Elze, Th. W., Emling, H., ...
Nuclear knockout, reactions at relativistic provide a sensitive tool to determine the ground state properties of nuclei close to the drip line. Studies with kinematically complete measurements reveal...
Litvinov, Yu. A., Bosch, F., Winckler, N., Boutin, D., Essel, H. G., Faestermann, T., ...
It is argued that orbital electron-capture decays of neutral $^{142}$Pm atoms implanted into the lattice of a solid (LBNL experiment) do not fulfil the constraints of true two-body beta decays, since...
Three-body correlations in electromagnetic dissociation of Borromean nuclei: The He-6 case (2008)
Chulkov, L. V., Simon, H., Thompson, I. J., Aumann, T., García Borge, María José, Elze, Th. W., ...
Dissociation of He-6 on a lead target has been studied at 240 MeV/u. The four-momenta of the two neutrons in coincidence with alpha-particles have been measured and used to reconstruct the three-body...
Litvinov, Yu. A., Bosch, F., Winckler, N., Boutin, D., Essel, H. G., Faestermann, T., ...
We report on time-modulated two-body weak decays observed in the orbital electron capture of hydrogen-like $^{140}$Pr$^{59+}$ and $^{142}$Pm$^{60+}$ ions coasting in an ion storage ring. Using...
First Penning Trap Mass Measurements beyond the Proton Drip Line (2008)
Rauth, C., Ackermann, D., Blaum, Klaus, Block, M., Chaudhuri, A., Di, Z., ...
Litvinov, Yu. A., Bosch, F., Geissel, H., Kurcewicz, J., Patyk, Z., Winckler, N., ...
We report on the first measurement of the $\beta^+$- and orbital electron capture decay rates of $^{140}$Pr nuclei with the most simple electron configurations: bare nuclei, hydrogen-like and...
Simon, H., Meister, M., Aumann, T., García Borge, María José, Chulkov, L. V., Pramanik, U. Datta, ...
36 pages, 10 figures, 8 tables, 3 appendices.-- PACS nrs.: 27.20.+n; 24.70.+s.-- Printed version published Jul 15, 2007.
Direct mass measurements beyond the proton drip-line (2007)
Rauth, C., Ackermann, D., Blaum, K., Block, M., Chaudhuri, A., Eliseev, S., ...
First on-line mass measurements were performed at the SHIPTRAP Penning trap mass spectrometer. The masses of 18 neutron-deficient isotopes in the terbium-to-thulium region produced in...
Litvinov, Yu. A., Bosch, F., Geissel, H., Weick, H., Beckert, K., Beller, P., ...
The FRS-ESR facilities at GSI provide unique conditions for precision measurements with stored exotic nuclei over a large range in the chart of nuclides. In the present experiment the exotic nuclei...
Isospin Dependence in Odd-Even Staggering of Nuclear Binding Energies (2005)
Litvinov, Yu.A., J. Bürvenich, T., Geissel, H., Novikov, Yu.N., Patyk, Z., Scheidenberger, C., ...
The FRS-ESR facility at GSI provides unique conditions for precision measurements of large areas on the nuclear mass surface in one run. Values for masses of 604 neutron-deficient nuclides...
Isospin Dependence in Odd-Even Staggering of Nuclear Binding Energies (2005)
Litvinov, Yu.A., J. Bürvenich, T., Geissel, H., Novikov, Yu.N., Patyk, Z., Scheidenberger, C., ...
The FRS-ESR facility at GSI provides unique conditions for precision measurements of large areas on the nuclear mass surface in one run. Values for masses of 604 neutron-deficient nuclides...
Isospin Dependence in Odd-Even Staggering of Nuclear Binding Energies (2005)
Litvinov, Yu.A., J. Bürvenich, T., Geissel, H., Novikov, Yu.N., Patyk, Z., Scheidenberger, C., ...
The FRS-ESR facility at GSI provides unique conditions for precision measurements of large areas on the nuclear mass surface in one run. Values for masses of 604 neutron-deficient nuclides...
Isospin Dependence in the Odd-Even Staggering of Nuclear Binding Energies (2005)
Litvinov, Yu. A., Buervenich, T. J., Geissel, H., Novikov, Yu. N., Patyk, Z., Scheidenberger, C., ...
The FRS-ESR facility at GSI provides unique conditions for precision measurements of large areas on the nuclear mass surface in a single experiment. Values for masses of 604 neutron-deficient...
Sikler, G., Audi, G., Beck, D., Blaum, K., Bollen, G., Herfurth, F., ...
The atomic masses of $^{76,77,80,81}$Sr and $^{129,130,131,132}$Sn were measured by means of the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. $^{76}$Sr is now the heaviest N = Z nucleus...
Sikler, G., Audi, G., Beck, D., Blaum, K., Bollen, G., Herfurth, F., ...
The atomic masses of $^{76,77,80,81}$Sr and $^{129,130,131,132}$Sn were measured by means of the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. $^{76}$Sr is now the heaviest N = Z nucleus...
Sikler, G., Audi, G., Beck, D., Blaum, K., Bollen, G., Herfurth, F., ...
The atomic masses of $^{76,77,80,81}$Sr and $^{129,130,131,132}$Sn were measured by means of the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. $^{76}$Sr is now the heaviest N = Z nucleus...
Angular Momentum Population in the Projectile Fragmentation of U-238 at 750 MeV/nucleon (2004)
Gladnishki, K A, Podolyak, Z, Regan, P H, Gerl, J, Hellstrom, M, Kopatch, Y, ...
A systematic study of the population probabilities of nanosecond and microsecond isomers produced following the projectile fragmentation of U-238 at 750 MeV/nucleon has been undertaken at the SIS/FRS...
From direct to absolute mass measurements: a study of the accuracy of ISOLTRAP (2002)
Kellerbauer, A G, Blaum, K, Bollen, G, Herfurth, F, Kluge, H J, Kuckein, M, ...
For a detailed study of the accuracy of the Penning trap mass spectrometer ISOLTRAP all expected sources of uncertainty were investigated with respect to their contributions to the uncertainty of the...
Development of a gas-catcher system to stop relativistic ions at GSI (2001)
Scheidenberger, C, Dendooven, P, Van Duppen, Pieter; U0010286, Elisseev, S, Faestermann, T, ...
Accurate masses of neutron-deficient nuclides close to $Z = 82$ (2001)
Schwarz, S, Ames, F, Audi, G, Beck, D, Bollen, G, De Coster, C, ...
Mass measurements with the Penning trap mass spectrometer ISOLTRAP at ISOL\-DE/CERN are extended to non-surface ionizable species using newly developed ion beam bunching devices. % Masses of...
Accurate masses of neutron-deficient isotopes close to Z=82. (2001)
SCHWARZ, S, AMES, F, AUDI, G, BECK, D, BOLLEN, G, De Coster, Caroline, ...
Herfurth, F., Dilling, J., Kellerbauer, A., Bollen, G., Henry, S., ...
An ion beam cooler and buncher has been developed for the manipulation of radioactive ion beams. The gas-filled linear radiofrequency ion trap system is installed at the Penning trap mass...
Breakdown of the Isobaric Multiplet Mass Equation (IMME) at A=33, T=3/2 (2000)
Herfurth, F, Dilling, J, Kellerbauer, A G, Audi, G, Beck, D, Bollen, G, ...
Mass measurements on $^{33, 34, 42, 43}$Ar were performed using the Penning trap mass spectrometer ISOLTRAP and a newly constructed linear Paul trap. This arrangement allowed for the first time to...
Slowing down of relativistic few-electron heavy ions (2000)
Weick, H, Geissel, H, Scheidenberger, C, Attallah, F, Baumann, T, Cortina-Gil, D, ...
Herfurth, F, Dilling, J, Kellerbauer, A G, Bollen, G, Henry, S, Kluge, H J, ...
An ion beam cooler and buncher has been developed for the manipulation of radioactive ion beams. The gas-filled linear radiofrequency ion trap system is installed at the Penning trap mass...
Halo excitations in fragmentation of He-6 at 240 MeV/u on carbon and lead targets (2000)
Aleksandrov, D., Aumann, T., Axelsson, L., Baumann, T., García Borge, María José, Chulkov, L. V., ...
14 pages, 6 figures.-- PACS nrs.: 27.20.+n; 24.70.+.
Direct experimental evidence for strong admixture of different parity states in $^{11}Li$ (2000)
Simon, H, Aleksandrov, D V, Aumann, T, Axelsson, L, Baumann, T, García-Borge, M J, ...
Grafström, P, Datz, S, Krause, H F, Vane, C R, Knudsen, H, Mikkelsen, U, ...
The limitation of the luminosity lifetime in high energy heavy ion colliders like RHIC or LHC operating in ion mode is set by the very large cross section of beam - beam interactions. One of the...
Grafström, P, Datz, S, Krause, H F, Vane, C R, Knudsen, H, Mikkelsen, U, ...
The limitation of the luminosity lifetime in high energy heavy ion colliders like RHIC or LHC operating in ion mode is set by the very large cross section of beam - beam interactions. One of the...
Charge states and energy loss of 300 MeV/u U$^{73+}$ ions channeled in a silicon crystal (1999)
Dauvergne, D, Scheidenberger, C, L'Hoir, A, Andersen, J U, Andriamonje, Samuel A, Böckstiegel, C, ...
Continuum excitations in $^{6}He$ (1999)
Aumann, T, Aleksandrov, D V, Axelsson, L, Baumann, T, García-Borge, M J, Chulkov, L V, ...
Experiments with stored relativistic exotic nuclei (1999)
Geissel, H, Radon, T, Attallah, F, Beckert, Karl, Bosch, F, Dolinskii, Alexei V, ...
Audi, G., Bollen, G., Borcea, C., Doubre, H., Henry, S., Kluge, H J., ...
Audi, G., Bollen, G., Borcea, C., Doubre, H., Henry, S., Kluge, H J., ...
Audi, G., Bollen, G., Borcea, C., Doubre, H., Henry, S., Kluge, H J., ...
Baumann, T., Geissel, H., Lenske, H., Markenroth, K., Schwab, W., Smedberg, M. H., ...
The fragment separator FRS at GSI was used as an energy-loss spectrometer to measure the longitudinal momentum distributions of {16,18}C fragments after one-neutron removal reactions in {17,19}C...
Giant resonances in unstable oxygen isotopes (1998)
Aumann, T, Leistenschneider, A, Boretzky, K, Cortina-Gil, D, Cub, J, Dostal, W, ...
Invariant-mass spectroscopy of $^{10}Li$ and $^{11}Li$ (1997)
Zinser, M, Humbert, F, Nilsson, T, Schwab, W, Simon, H, Aumann, T, ...
Projectile excitation and ionization in relativistic ion-atom collisions (1996)
Stöhlker, T, Ionescu, D C, Rymuza, P, Ludziejewski, T, Mokler, P H, Scheidenberger, C, ...
Lead ion beam emittance and transmission studies in the PS-SPS complex at CERN (1996)
Arduini, Gianluigi, Bailey, R, Bohl, T, Burkhardt, H, Cappi, R, Carter, C, ...
In the Lead Ion Facility at CERN [1] Pb53+ ion beams are accelerated up to a kinetic energy of 4.2 GeV/u in the CERN PS, extracted and stripped to Pb82+ in the transfer line from PS to SPS where they...
First energy-loss straggling experiments with relativistic heavy ions in solids (1996)
Scheidenberger, C, Geissel, H, Mikkelsen, H H, Nickel, F, Czajkowski, S, Folger, H, ...
Schall, I, Schardt, D, Geissel, H, Irnich, H, Kankeleit, E, Kraft, G, ...
Nilsson, T, Humbert, F, Schwab, W, Simon, H, Smedberg, M H, Zinser, M, ...
Lead Ion Beam Emittance And Transmission Studies In The Ps-Sps Complex At Cern (1996)
Arduini Bailey Bohl, G. Arduini, R. Bailey, T. Bohl, H. Burkhardt, C. Carter, ...
In the Lead Ion Facility at CERN [1] Pb 53+ ion beams are accelerated up to a kinetic energy of 4.2 GeV/u in the CERN PS, extracted and stripped to Pb 82+ in the transfer line from PS to SPS where...
Zinser, M., Humbert, F., Nilsson, T., Schwab, W., Blaich, Th., García Borge, María José, ...
4 pages, 3 figures.-- PACS nrs.: 25.60.+v, 21.10.Pc, 25.70.Mn, 27.20.+n.
On the resonant coherent excitation of relativistic heavy ions (1995)
Pilovarov, Yu L, Geissel, H, Filimonov, Y M, Krivosheev, O E, Scheidenberger, C
Neutron momentum distributions from "core break-up" reactions of halo nuclei (1995)
Nilsson, T, Blaich, T, García-Borge, M J, Chulkov, L V, Elze, T W, Emling, H, ...
Longitudinal and transverse momentum distributions of 9Li fragments from break-up of 11Li (1995)
Humbert, F., Nilsson, T., Schwab, W., Zinser, M., Blaich, Th., García Borge, María José, ...
7 pages, 1 table, 3 figures.--Available on line on April 6, 2000
Few-neutron removal from $^{238}$U at relativistic energies (1995)
Aumann, T, Sümmerer, K, Geissel, H, Blank, B, Brohm, T, Clerc, H G, ...
Dissociation of 8He into 6He + n + X at 240 MeV/u (1995)
Nilsson, T., Humbert, F., Schwab, W., Zinser, M., Blaich, Th., García Borge, María José, ...
4 pages, 2 tables, 3 figures.--Available on line on April 5, 2000