NSR Query Results


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NSR database version of July 31, 2015.

Search: Author = T.Baumann

Found 104 matches.    Showing 1 to 100.   [Next]

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2015CI06     Phys.Rev. C 92, 014622 (2015)

A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, F.Zarzynski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao

First observation of 59Ge

doi: 10.1103/PhysRevC.92.014622


2015JO05     Phys.Rev. C 91, 044312 (2015)

M.D.Jones, Z.Kohley, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, R.A.Haring-Kaye, A.N.Kuchera, B.Luther, S.Mosby, J.K.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen

Further insights into the reaction 14Be(CH2, X)10He

doi: 10.1103/PhysRevC.91.044312
Data from this article have been entered in the XUNDL database. For more information, click here.


2015KO08     Phys.Rev. C 91, 034323 (2015)

Z.Kohley, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, B.Luther, E.Lunderberg, M.Jones, S.Mosby, J.K.Smith, A.Spyrou, M.Thoennessen

Three-body correlations in the ground-state decay of 26O

NUCLEAR REACTIONS 9Be(27F, 26O), E=82 MeV/nucleon, [27F secondary beam produced from projectile fragmentation of a 140 MeV/nucleon 48Ca primary beam]; measured (24O)nn-triple coin, three-body decay energy and angular correlations using MoNA-Sweeper setup at NSCL-MSU; deduced invariant mass and three-body correlations from the 26O ground-state resonance decay. Comparison with Monte-Carlo simulations using a phase-space, model, dineutron model, and three-body decay model. 26O; deduced 1σ upper limit of the ground-state resonance energy of 26O.

doi: 10.1103/PhysRevC.91.034323
Data from this article have been entered in the XUNDL database. For more information, click here.


2015KU04     Phys.Rev. C 91, 017304 (2015)

A.N.Kuchera, A.Spyrou, J.K.Smith, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, M.D.Jones, Z.Kohley, S.Mosby, W.A.Peters, M.Thoennessen

Search for unbound 15Be states in the 3n+ 12Be channel

NUCLEAR REACTIONS 9Be(17C, 15Be), E=55 MeV/nucleon, [17C secondary beam from 9Be(22Ne, X) primary reaction]; measured particle spectra, (12Be)n-coin using MONA array at NSCL-MSU facility; reconstructed two-, three-, and four-body decay energies of the 12Be+ neutron system using invariant mass spectroscopy. 15Be; search for predicted unbound 3/2+ level proved inconclusive. In the best fit analysis, 15Be g.s. is unbound with respect to 12Be.

doi: 10.1103/PhysRevC.91.017304
Data from this article have been entered in the XUNDL database. For more information, click here.


2015SM02     Nucl.Phys. A940, 235 (2015)

J.K.Smith, T.Baumann, J.Brown, P.A.DeYoung, N.Frank, J.Hinnefeld, Z.Kohley, B.Luther, B.Marks, A.Spyrou, S.L.Stephenson, M.Thoennessen, S.J.Williams

Selective population of unbound states in 10Li

NUCLEAR REACTIONS 9Be(12B, 2p), E=71 MeV/nucleon. 10Li measured halo nucleus decay to 9Li plus neutron; calculated one-state and three-state decay; deduced resonances.

doi: 10.1016/j.nuclphysa.2015.04.011
Data from this article have been entered in the XUNDL database. For more information, click here.


2014PO05     Phys.Rev. C 90, 014311 (2014)

M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, A.Stolz, T.Baumann, J.S.Berryman, H.Czyrkowski, R.Dabrowski, A.Fijalkowska, T.Ginter, J.Johnson, G.Kaminski, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Paulauskas, J.Pereira, K.P.Rykaczewski, S.Suchyta

Proton spectroscopy of 48Ni, 46Fe, and 44Cr

RADIOACTIVITY 48Ni(2p); 44Cr, 46Fe(β+p); 46Fe(β+2p); [44Cr, 46Fe, 48Ni activities from Ni(58Ni, X), E=160 MeV/nucleon]; measured Ep, Ip, half-lives of ground states of 44Cr, 46Fe, 48Ni, proton branching ratios using an optical time projection chamber (OPTC). Reconstruction of the four 2p-decay events from decay of 48Ni; deduced Q(2p). Comparison previous experimental results.

NUCLEAR REACTIONS Ni(58Ni, X)44Cr/46Fe/48Ni, E=160 MeV/nucleon; measured fragment spectra, time-of-flight, energy loss and production σ using A1900 separator and standard acquisition system at NSCL-MSU facility. LISE++ analysis. Comparison with EPAX-3 and EPAX-2.1 parametrizations.

doi: 10.1103/PhysRevC.90.014311
Data from this article have been entered in the XUNDL database. For more information, click here.


2014RA20     J.Phys.(London) G41, 115104 (2014)

M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger

β decay of 72Co and microsecond isomers in even-mass neutron-rich nickel isotopes

RADIOACTIVITY 72Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ. 76Ni; deduced energy levels, J, π, isomeric state T1/2. Comparison with shell model calculations, available data.

doi: 10.1088/0954-3899/41/11/115104
Data from this article have been entered in the XUNDL database. For more information, click here.


2014SM03     Phys.Rev. C 90, 024309 (2014)

J.K.Smith, T.Baumann, D.Bazin, J.Brown, S.Casarotto, P.A.DeYoung, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, B.Luther, B.Marks, N.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen, N.Viscariello, S.J.Williams

Low-lying neutron unbound states in 12Be

NUCLEAR REACTIONS 9Be(13B, 12Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction; measured particle and neutron spectra, (12Be)n-, (11Be)2n-coin using A1900 fragment separator and MoNA-LISA array for neutron and fragment detection at NSCL-MSU facility. 12Be; deduced decay energy, level energy, resonance, L-value, J, π, width, one-neutron decay, no evidence for the 2n-decay channel to 10Be. Comparison with previous experimental results, and with continuum shell model calculation.

doi: 10.1103/PhysRevC.90.024309
Data from this article have been entered in the XUNDL database. For more information, click here.


2014VO05     Phys.Rev. C 90, 014301 (2014)

P.Voss, T.Baumann, D.Bazin, A.Dewald, H.Iwasaki, D.Miller, A.Ratkiewicz, A.Spyrou, K.Starosta, M.Thoennessen, C.Vaman, J.A.Tostevin

19Mg two-proton decay lifetime

RADIOACTIVITY 19Mg(2p)[from 9Be(20Mg, X), E=170 MeV/nucleon]; measured energy-loss spectra in coincidence with incoming 20Mg on the target and outgoing 17Ne, two-proton decay half-life as a function of 17Ne production mechanism. Experiments carried out at NSCL-MSU facility. Comparison with previous experimental results.

NUCLEAR REACTIONS 9Be(20Mg, X)10C/14O/16O/17Ne/18Ne/20Na/19Mg/20Mg/21Mg/, E=170 MeV/nucleon; measured reaction products, yields using A1900 separator and S800 magnetic spectrograph at NSCL-MSU facility.

doi: 10.1103/PhysRevC.90.014301
Data from this article have been entered in the XUNDL database. For more information, click here.


2013IZ01     Phys.Rev. C 88, 065808 (2013)

R.Izsak, A.Horvath, A.Kiss, Z.Seres, A.Galonsky, C.A.Bertulani, Zs.Fulop, T.Baumann, D.Bazin, K.Ieki, C.Bordeanu, N.Carlin, M.Csanad, F.Deak, P.DeYoung, N.Frank, T.Fukuchi, A.Gade, D.Galaviz, C.R.Hoffman, W.A.Peters, H.Schelin, M.Thoennessen, G.I.Veres

Determining the 7Li(n, γ) cross section via Coulomb dissociation of 8Li

NUCLEAR REACTIONS C, Pb(8Li, n), [8Li secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction], E=69.5 MeV/nucleon; 8Li(γ, n)7Li, [γ from 8Li beam impinging on C and Pb targets], E(8Li)=69.5 MeV/nucleon; measured TOF, position and angle of 8Li particles, neutron spectra from Coulomb dissociation of 8Li, E(n), I(n) using MONA neutron detector array at NSCL-MSU cyclotron facility; reconstructed neutron 7Li energy spectra and momentum vectors; deduced σ(E) for 7Li(n, γ)8Li reaction. Surrogate method. Comparison of σ with previous experimental results, and with low-energy effective field theory calculations.

doi: 10.1103/PhysRevC.88.065808
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14378.


2013KO03     Phys.Rev. C 87, 011304 (2013)

Z.Kohley, E.Lunderberg, P.A.DeYoung, A.Volya, T.Baumann, D.Bazin, G.Christian, N.L.Cooper, N.Frank, A.Gade, C.Hall, J.Hinnefeld, B.Luther, S.Mosby, W.A.Peters, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

First observation of the 13Li ground state

NUCLEAR REACTIONS 9Be(14Be, 13Li), [14Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary beam], E=53.6 MeV/nucleon; measured 11Li fragment and neutron spectra, three-body (11Li+n+n), and two-body (11Li+n) decay energy spectra using Modular Neutron Array (MONA) for neutrons at NSCL facility. Monte Carlo and GEANT4 simulations. Glauber reaction model. 12,13Li; deduced levels, ground state resonance energies. Strong dineutron character for 13Li g.s. Comparison with previous studies.

doi: 10.1103/PhysRevC.87.011304
Data from this article have been entered in the XUNDL database. For more information, click here.


2013KO10     Phys.Rev.Lett. 110, 152501 (2013)

Z.Kohley, T.Baumann, D.Bazin, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, E.Lunderberg, B.Luther, S.Mosby, T.Nagi, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

Study of Two-Neutron Radioactivity in the Decay of 26O

RADIOACTIVITY 26O(2n) [from 9Be(27F, p), E=82 MeV/nucleon]; measured decay products, En, In; deduced T1/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.110.152501
Data from this article have been entered in the XUNDL database. For more information, click here.


2013KO28     Phys.Rev. C 88, 041601 (2013)

Z.Kohley, G.Christian, T.Baumann, P.A.DeYoung, J.E.Finck, N.Frank, M.Jones, J.K.Smith, J.Snyder, A.Spyrou, M.Thoennessen

Exploiting neutron-rich radioactive ion beams to constrain the symmetry energy

NUCLEAR REACTIONS 9Be(32Mg, X), [secondary 32Mg beam from Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=73 MeV/nucleon; measured neutron spectra by MoNA array and particle spectra by 4 Tm Sweeper magnet, (particle)n-coin at yield of fragments at NSCL, MSU facility; deduced average N/Z vs Z, multiplicity, velocity distribution, density dependence of the symmetry energy by comparison of the experimental data with the constrained molecular dynamics model (CoMD) constraints.

doi: 10.1103/PhysRevC.88.041601


2013MO12     Nucl.Phys. A909, 69 (2013)

S.Mosby, N.S.Badger, T.Baumann, D.Bazin, M.Bennett, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, M.Gardner, J.D.Hinnefeld, E.A.Hook, E.M.Lunderberg, B.Luther, D.A.Meyer, M.Mosby, G.F.Peaslee, W.F.Rogers, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Search for 21C and constraints on 22C

NUCLEAR REACTIONS 9Be(22C, n21C), E=68 MeV/nucleon; measured En, In(\theta), E(20C fragment), I(20C fragment, \theta). 21,22C calculated double neutron halo nucleus low-lying levels, J, π, spectrometric factor using shell model, Goldhaber model with friction term. 21C deduced non-existence of bound state. 20C+n deduced scattering length.

doi: 10.1016/j.nuclphysa.2013.04.004


2013SN02     Phys.Rev. C 88, 031303 (2013)

J.Snyder, T.Baumann, G.Christian, R.A.Haring-Kaye, P.A.DeYoung, Z.Kohley, B.Luther, M.Mosby, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.Stephenson, M.Thoennessen

First observation of 15Be

NUCLEAR REACTIONS 2H(14Be, 15Be), E=59 MeV/nucleon, [secondary 14Be from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured 14Be, and neutron spectra from decay of 15Be, TOF, production σ, (14Be)n-coin using MoNA array at NSCL-MSU facility. Decay energy spectrum of 15Be fitted with energy-dependent Breit-Wigner distribution. 15Be; deduced level, J, π, neutron-unbound resonance, width. Shell-model calculations.

doi: 10.1103/PhysRevC.88.031303
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2053.
Data from this article have been entered in the XUNDL database. For more information, click here.


2013TA14     Phys.Rev. C 87, 054612 (2013)

O.B.Tarasov, M.Portillo, D.J.Morrissey, A.M.Amthor, L.Bandura, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, G.Chubarian, N.Fukuda, A.Gade, T.N.Ginter, M.Hausmann, N.Inabe, T.Kubo, J.Pereira, B.M.Sherrill, A.Stolz, C.Sumithrarachchi, M.Thoennessen, D.Weisshaar

Production cross sections from 82Se fragmentation as indications of shell effects in neutron-rich isotopes close to the drip-line

NUCLEAR REACTIONS Be, W(82Se, X), E=139 MeV/nucleon; measured fragment spectra using A1900 fragment separator at NSCL facility. Z=11, A=27-33; Z=12, A=29-37; Z=13, A=31-39; Z=14, A=29-42; Z=15, A=31-45; Z=16, A=33-48; Z=17, A=35-50; Z=18, A=38-52; Z=19, A=39-55; Z=20, A=41-58; Z=21, A=43-61; Z=22, A=46-64; Z=23, A=47-67; Z=24, A=50-70; Z=25, A=52-72; Z=26, A=54-60; Z=26, A=63-75; Z=27, A=56-62; Z=27, A=65-76; Z=28, A=60-63; Z=28, A=67-78; Z=29, A=62-65; Z=29, A=70-78; Z=30, A=64-68; Z=30, A=73-80; Z=31, A=75-81; Z=32, A=79-82; Z=33, A=81-83; measured production cross sections for 334 isotopes, and longitudinal momentum distributions for 126 isotopes. 64Ti, 67V, 69,70Cr, 72Mn, 75Fe; measured production cross sections for isotopes first identified in this study. Comparison with calculations using abrasion-ablation model. Evidence for subshell closure at N=34 around Z=20.

doi: 10.1103/PhysRevC.87.054612
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2030.


2013TH04     Acta Phys.Pol. B44, 543 (2013)

M.Thoennessen, Z.Kohley, A.Spyrou, E.Lunderberg, P.A.DeYoung, H.Attanayake, T.Baumann, D.Bazin, B.A.Brown, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.Strongman, A.Volya

Observation of Ground-state Two-neutron Decay

RADIOACTIVITY 16Be, 26O(2n); measured decay products, En, In; deduced decay energy spectra. Comparison with calculated two-neutron separation energies, T1/2, widths.

doi: 10.5506/APhysPolB.44.543


2013TH06     Nucl.Phys. A912, 1 (2013)

M.Thoennessen, S.Mosby, N.S.Badger, T.Baumann, D.Bazin, M.Bennett, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, M.Gardner, E.A.Hook, B.Luther, D.A.Meyer, M.Mosby, W.F.Rogers, J.K.Smith, A.Spyrou, M.J.Strongman

Observation of a low-lying neutron-unbound state in 19C

NUCLEAR REACTIONS 9Be(22N, n18C), (22N, n19C), (22N, n20C), E=68 MeV/nucleon; measured carbon fragments, En, In, (carbon)n-coin. 19C deduced 76 keV resonance, low-lying level scheme near neutron drip line; calculated low-lying levels, J, π using different shell models.

doi: 10.1016/j.nuclphysa.2013.05.001
Data from this article have been entered in the XUNDL database. For more information, click here.


2013TH07     Nucl.Instrum.Methods Phys.Res. A729, 207 (2013)

M.Thoennessen, G.Christian, Z.Kohley, T.Baumann, M.Jones, J.K.Smith, J.Snyder, A.Spyrou

Novel techniques to search for neutron radioactivity

RADIOACTIVITY 16B(2n); measured decay products, En, In; deduced new technique, T1/2 sensitivity. Decay in Target (DiT) and Decay in a Magnetic Field (DiMF) methods.

doi: 10.1016/j.nima.2013.07.035


2012BA05     Rep.Prog.Phys. 75, 036301 (2012)

T.Baumann, A.Spyrou, M.Thoennessen

Nuclear structure experiments along the neutron drip line

doi: 10.1088/0034-4885/75/3/036301


2012CH02     Phys.Rev.Lett. 108, 032501 (2012)

G.Christian, N.Frank, S.Ash, T.Baumann, D.Bazin, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, G.F.Grinyer, A.Grovom, J.D.Hinnefeld, E.M.Lunderberg, B.Luther, M.Mosby, S.Mosby, T.Nagi, G.F.Peaslee, W.F.Rogers, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen, M.Warren, D.Weisshaar, A.Wersal

Exploring the Low-Z Shore of the Island of Inversion at N=19

NUCLEAR REACTIONS Be(29Ne, X)28F/27F, E=62 MeV/nucleon; measured reaction products, TOF; deduced 28F ground state energy as resonance in the 27F+n continuum, binding energy. Comparison with USDA/USDB shell model predictions.

doi: 10.1103/PhysRevLett.108.032501
Data from this article have been entered in the XUNDL database. For more information, click here.


2012CH12     Phys.Rev. C 85, 034327 (2012)

G.Christian, N.Frank, S.Ash, T.Baumann, P.A.DeYoung, J.E.Finck, A.Gade, G.F.Grinyer, B.Luther, M.Mosby, S.Mosby, J.K.Smith, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen, M.Warren, D.Weisshaar, A.Wersal

Spectroscopy of neutron-unbound 27, 28F

NUCLEAR REACTIONS 9Be(29Ne, X)27F/28F, [29Ne secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary beam], E=62 MeV/nucleon; measured particle spectra, energy loss, time-of-flight, (26F)n-, (27F)n-, (26F)nγ-coin, E(n), E(26,27F). MoNA array for neutrons, CAESAR array for γ rays. 28F; deduced ground-state as unbound resonance in 27F+n continuum, binding energy. 27F; deduced neutron-unbound level. Comparison with USDA/USDB shell model predictions.

doi: 10.1103/PhysRevC.85.034327
Data from this article have been entered in the XUNDL database. For more information, click here.


2012KO43     Phys.Rev.Lett. 109, 232501 (2012)

Z.Kohley, J.Snyder, T.Baumann, G.Christian, P.A.DeYoung, J.E.Finck, R.A.Haring-Kaye, M.Jones, E.Lunderberg, B.Luther, S.Mosby, A.Simon, J.K.Smith, A.Spyrou, S.L.Stephenson, M.Thoennessen

Unresolved Question of the 10He Ground State Resonance

NUCLEAR REACTIONS C, 2H(14Be, 2n2p)10He, E=59 MeV/nucleon; measured reaction products, En, In; deduced ground state resonance parameters. Comparison with available data, 18O secondary beams.

doi: 10.1103/PhysRevLett.109.232501
Data from this article have been entered in the XUNDL database. For more information, click here.


2012LO08     Phys.Rev. C 86, 014313 (2012)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

β-delayed proton emission in the 100Sn region

RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.

doi: 10.1103/PhysRevC.86.014313
Data from this article have been entered in the XUNDL database. For more information, click here.


2012LU07     Phys.Rev.Lett. 108, 142503 (2012)

E.Lunderberg, P.A.DeYoung, Z.Kohley, H.Attanayake, T.Baumann, D.Bazin, G.Christian, D.Divaratne, S.M.Grimes, A.Haagsma, J.E.Finck, N.Frank, B.Luther, S.Mosby, T.Nagi, G.F.Peaslee, A.Schiller, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Evidence for the Ground-State Resonance of 26O

RADIOACTIVITY 26O(2n) [from Be(27F, p)26O, E=82 MeV/nucleon];measured decay products, En, In. 26O; deduced decay energy spectrum, evidence for the ground state or resonance in neutron unbound nucleus, T1/2 limit. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.108.142503
Data from this article have been entered in the XUNDL database. For more information, click here.


2012PE11     Phys.Rev. C 86, 019802 (2012)

W.A.Peters, T.Baumann, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, K.L.Jones, J.-L.Lecouey, B.Luther, G.F.Peaslee, W.F.Rogers, M.Thoennessen, J.A.Tostevin

Reply to "Comment on 'Neutron knockout of 12Be populating neutron-unbound states in 11Be'"

NUCLEAR STRUCTURE 11Be; reanalyzed decay energy curves, level, J, π, branching ratios for 9Be(12Be, n)11Be experiment in 2011Pe13, and in reply to 2012Fo21 comment.

doi: 10.1103/PhysRevC.86.019802


2012PO03     Acta Phys.Pol. B43, 267 (2012)

M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, T.Baumann, J.Berryman, H.Czyrkowski, R.Dabrowski, T.Ginter, L.Grigorenko, J.Johnson, G.Kaminski, A.Kuzniak, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Palauskas, J.Pereira, K.P.Rykaczewski, A.Stolz, S.Suchyta

Studies of 48Ni Using the Optical Time Projection Chamber

RADIOACTIVITY 48Ni(2p) [from Ni(58Ni, X)48Ni/46Fe/44Cr, E=160 MeV/nucleon]; measured decay products, Ep, Ip; deduced proton energy distribution, T1/2.

NUCLEAR REACTIONS Ni(58Ni, X)48Ni/46Fe/44Cr, E=160 MeV/nucleon; measured reaction products. 48Ni; deduced production σ.

doi: 10.5506/APhysPolB.43.267


2012QU01     Phys.Rev. C 85, 035807 (2012)

M.Quinn, A.Aprahamian, J.Pereira, R.Surman, O.Arndt, T.Baumann, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, T.Ginter, M.Hausmann, S.Hennrich, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Portillo, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β decay of nuclei around 90Se: Search for signatures of a N=56 subshell closure relevant to the r process

NUCLEAR REACTIONS 9Be(136Xe, X)86As/87As/88As/88Se/89Se/90Se/90Br/91Br/92Br/93Br/91Kr/92Kr/93Kr/94Kr/95Kr/93Rb/94Rb/95Rb/96Rb/97Rb/95Sr/96Sr/97Sr/98Sr/99Sr/97Y/98Y/99Y/100Y/101Y/100Zr/101Zr/102Zr/103Zr, E=120 MeV/nucleon; measured fragment spectra by energy loss and time-of-flight, total kinetic energies (TKE) of 97,98,99Sr fragments in 36+, 37+, 38+ charge states, half-lives by fragment-β correlations. Beta Counting System (BCS) at NSCL.

RADIOACTIVITY 87,88As, 88,89,90Se, 90,91,92,93Br, 93,94,95Kr, 95,96,97Rb, 96,97,98,99Sr, 99,100,101Y(β-)[from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eβ, Eγ, (fragment)β correlations, half-lives. Beta Counting System (BCS) at NSCL and SEGA array. Maximum likelihood and least-squares analyses for half-lives. Comparison of measured half-lives with QRPA calculations used in r process, and with previous measurements. Role of g9/2 proton and h11/2 neutron intruders. No evidence of N=56 subshell closure in 90Se. Relevance to r-process nuclei.

doi: 10.1103/PhysRevC.85.035807
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2012RA10     Phys.Rev. C 85, 034326 (2012)

M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger

β decay of 71, 73Co: Probing single-particle states approaching doubly magic 78Ni

RADIOACTIVITY 71,73Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, Eβ, Iβ, γγ-, βγ-, (implant ions)βγ-coin, half-lives, β-delayed neutron probability. SeGA array. 71,73Ni; deduced levels, J, π, logft values, isomer, three-particle cluster states. Comparisons with shell-model calculations, and with 69Co to 69Ni decay scheme.

NUCLEAR STRUCTURE 69,71,73,75,77Ni; calculated levels, J, π, and configuration amplitudes using shell model with NR78 interaction. Three-nucleon/hole cluster effect.

doi: 10.1103/PhysRevC.85.034326
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2012SM08     Phys.Rev. C 86, 057302 (2012)

J.K.Smith, T.Baumann, B.A.Brown, G.Christian, J.E.Finck, C.R.Hoffman, Z.Kohley, S.Mosby, J.F.Novak, S.J.Quinn, J.Snyder, A.Spyrou, M.J.Strongman, M.Thoennessen

Neutron unbound states in 28Ne and 25F

NUCLEAR REACTIONS 9Be(29Na, 28Ne), (26F, 25F), [secondary 29Na and 26F beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=102 MeV/nucleon; measured charged fragment spectra by TOF and energy loss, neutron spectra using MONA array at NSCL facility, decay energy spectra for 28Ne and 25F reconstructed from the 27Ne+n and 24F+n systems. 25F, 28Ne; deduced unbound levels, J, π, spectroscopic factors, Breit-Wigner resonance. Glauber reaction model analysis. Comparison with shell model calculations.

NUCLEAR STRUCTURE 28Ne, 25F; calculated bound and unbound levels, J, π, spectroscopic factors for 27Ne+n system, widths. Shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.057302
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2012SP01     Phys.Rev.Lett. 108, 102501 (2012)

A.Spyrou, Z.Kohley, T.Baumann, D.Bazin, B.A.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, E.Lunderberg, S.Mosby, W.A.Peters, A.Schiller, J.K.Smith, J.Snyder, M.J.Strongman, M.Thoennessen, A.Volya

First Observation of Ground State Dineutron Decay: 16Be

RADIOACTIVITY 16Be(2n) [from Be(17B, p), E=53 MeV/nucleon]; measured decay products, En, In; deduced two-neutron separation energy.

doi: 10.1103/PhysRevLett.108.102501
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2011BE34     Phys.Rev. C 84, 041303 (2011)

A.D.Becerril, G.Lorusso, A.M.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

High-spin μs isomeric states in 96Ag

NUCLEAR REACTIONS 9Be(112Sn, X), E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γγ-coin, isomer T1/2. 96Ag; deduced levels, J, π. A1900 Fragment Separator and SeGA array at NSCL. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.84.041303
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2011FR13     Phys.Rev. C 84, 037302 (2011)

N.Frank, D.Albertson, J.Bailey, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, M.Kasperczyk, B.Luther, W.A.Peters, A.Schiller, A.Smith, M.Thoennessen, J.A.Tostevin

Neutron-unbound states in 25, 26F

NUCLEAR REACTIONS 9Be(26Ne, 25F), (26Ne, 26F), E=86 MeV/nucleon; measured E(n), I(n) at NSCL. 25,26F; deduced levels, J, π, widths, resonances. 25F; calculated levels, J, π using shell-model.

doi: 10.1103/PhysRevC.84.037302
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2011HO05     Phys.Rev. C 83, 031303 (2011)

C.R.Hoffman, T.Baumann, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, J.D.Hinnefeld, S.Mosby, W.A.Peters, W.F.Rogers, A.Schiller, J.Snyder, A.Spyrou, S.L.Tabor, M.Thoennessen

Observation of a two-neutron cascade from a resonance in 24O

NUCLEAR REACTIONS 9Be(26F, nn), E=85 MeV/nucleon; measured neutron spectra using MoNA array, neutron resonance decay energy, neutron-neutron-fragment, neutron-fragment energies, TOF, 22O-nn coin. 24O; deduced level, two-neutron cascade from the resonance in 24O to 22O. 22,23O; deduced levels. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.83.031303
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2011LO09     Phys.Lett. B 699, 141 (2011)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru

RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.

doi: 10.1016/j.physletb.2011.03.043
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2011PE13     Phys.Rev. C 83, 057304 (2011)

W.A.Peters, T.Baumann, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, K.L.Jones, J.-L.Lecouey, B.Luther, G.F.Peaslee, W.F.Rogers, A.Schiller, M.Thoennessen, J.A.Tostevin, K.Yoneda

Neutron knockout of 12Be populating neutron-unbound states in 11Be

NUCLEAR REACTIONS 9Be(12Be, n), E=90 MeV/nucleon, [12Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured E(n), I(n) by TOF using MONA array, n(10Be) coin. 11Be; deduced levels, J, π, resonances, σ, spectroscopic factor. 10Be; deduced levels from neutron decay of unbound resonances. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.83.057304
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2011PO09     Phys.Rev. C 83, 061303 (2011)

M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, T.Baumann, J.S.Berryman, H.Czyrkowski, R.Dabrowski, T.Ginter, J.Johnson, G.Kaminski, A.Kuzniak, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Paulauskas, J.Pereira, K.P.Rykaczewski, A.Stolz, S.Suchyta

First observation of two-proton radioactivity in 48Ni

RADIOACTIVITY 48Ni(2p), (β+p)[from Ni(58Ni, X), E=160 MeV/nucleon]; measured E(p), I(p), time-of-flight using optical time-projection chamber (OPTC), half-life; deduced branching ratios for the two-proton and delayed-proton decay modes. 46Fe(β+p); measured E(p), I(p).

doi: 10.1103/PhysRevC.83.061303
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2011SP01     Phys.Rev. C 84, 044309 (2011)

A.Spyrou, J.K.Smith, T.Baumann, B.A.Brown, J.Brown, G.Christian, P.A.DeYoung, N.Frank, S.Mosby, W.A.Peters, A.Schiller, M.J.Strongman, M.Thoennessen, J.A.Tostevin

Search for the 15Be ground state

NUCLEAR REACTIONS 9Be(17C, 2p), E=55 MeV/nucleon, [17C secondary beam from 9Be(22Ne, X) primary reaction]; measured energy loss, time of flight, magnetic rigidity, Be fragment spectra and (Be)(n)-coin. 15Be; deduced g.s., J, π, decay mode, unbound energy. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.84.044309


2010FR07     J.Phys.:Conf.Ser. 205, 012043 (2010)

C.Fransen, A.Dewald, T.Baumann, D.Bazin, A.Blazhev, B.A.Brown, A.Chester, A.Gade, T.Glasmacher, P.T.Greenlees, M.Hackstein, S.Harissopulos, U.Jakobsson, J.Jolie, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Konstaninopoulos, A.Lagoyannis, M.Leino, P.Nieminen, M.Nyman, P.Petkov, P.Peura, T.Pissulla, P.Rahkila, W.Rother, P .Ruotsalainen, J.Saren, C.Scholey, J.Sorri, K.Starosta, A.Stolz, J.Uusitalo, P.Voss, D.Weisshaar

New developments on the recoil distance doppler-shift method

doi: 10.1088/1742-6596/205/1/012043


2010HA04     Phys.Rev. C 81, 021302 (2010)

C.C.Hall, E.M.Lunderberg, P.A.DeYoung, T.Baumann, D.Bazin, G.Blanchon, A.Bonaccorso, B.A.Brown, J.Brown, G.Christian, D.H.Denby, J.Finck, N.Frank, A.Gade, J.Hinnefeld, C.R.Hoffman, B.Luther, S.Mosby, W.A.Peters, A.Spyrou, M.Thoennessen

First observation of excited states in 12Li

NUCLEAR REACTIONS Be(14B, 2p), E=53.4 MeV/nucleon; measured neutron and 11Li spectra from decay of 12Li, and (11Li)n-coin using Modular Neutron Array (MONA). 12Li; deduced levels, J, π. Comparisons with shell model calculations using WBP interaction.

doi: 10.1103/PhysRevC.81.021302
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2010SP02     Phys.Lett. B 683, 129 (2010)

A.Spyrou, T.Baumann, D.Bazin, G.Blanchon, A.Bonaccorso, E.Breitbach, J.Brown, G.Christian, A.DeLine, P.A.DeYoung, J.E.Finck, N.Frank, S.Mosby, W.A.Peters, A.Russel, A.Schiller, M.J.Strongman, M.Thoennessen

First evidence for a virtual 18B ground state

NUCLEAR REACTIONS Be(19C, pX)18B, E=62 MeV/nucleon; Be(17C, pX)16B, E=55 MeV/nucleon; measured decay energy spectra, (fragment)(neutron)-coin using time of flight technique with Modular Neutron Array (MoNA). 16B; deduced ground state energies. 17B; deduced level energies, J, π. 18B; calculated level energies, J, π. Comparison with shell model calculations using WBP interaction and other data. Secondary radioactive beam.

doi: 10.1016/j.physletb.2009.12.016
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2009HO01     Phys.Lett. B 672, 17 (2009)

C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, G.Christian, D.H.Denby, P.A.DeYoung, J.E.Finck, N.Frank, J.Hinnefeld, S.Mosby, W.A.Peters, W.F.Rogers, A.Schiller, A.Spyrou, M.J.Scott, S.L.Tabor, M.Thoennessen, P.Voss

Evidence for a doubly magic 24O

NUCLEAR REACTIONS Be(26F, n23O), E=85 MeV/nucleon; measured neutron decay energy spectra, (fragment)(neutron)-coin. 24O deduced excited state energies, J, π. Comparison with other data and systematics. Secondary radioactive beam.

doi: 10.1016/j.physletb.2008.12.066
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2009ST20     Phys.Rev. C 80, 021302 (2009)

M.J.Strongman, A.Spyrou, C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, S.Mosby, W.F.Rogers, G.F.Peaslee, W.A.Peters, A.Schiller, S.L.Tabor, M.Thoennessen

Disappearance of the N = 14 shell

NUCLEAR REACTIONS Be(26F, X)22N, E=85 MeV/nucleon; measured En and (fragment)(neutron)-coin spectrum. 22N; deduced levels, J, π. Level systematics of N=14, 15 C, N and O isotones. Comparison with shell-model calculations using WBTM and WBPM interactions.

doi: 10.1103/PhysRevC.80.021302
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2009TA05     Phys.Rev.Lett. 102, 142501 (2009)

O.B.Tarasov, D.J.Morrissey, A.M.Amthor, T.Baumann, D.Bazin, A.Gade, T.N.Ginter, M.Hausmann, N.Inabe, T.Kubo, A.Nettleton, J.Pereira, M.Portillo, B.M.Sherrill, A.Stolz, M.Thoennessen

Evidence for a Change in the Nuclear Mass Surface with the Discovery of the Most Neutron-Rich Nuclei with 17 ≤ Z ≤ 25

NUCLEAR REACTIONS 9Be(76Ge, X)50Cl/53Ar/55K/56K/57Ca/58Ca/59Sc/60Sc/61Sc/62Ti/63Ti/65V/66V/68Cr/70Mn/52Ar, E=132 MeV/nucleon; measured cross sections.

doi: 10.1103/PhysRevLett.102.142501
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1686.
Data from this article have been entered in the XUNDL database. For more information, click here.


2009TA24     Phys.Rev. C 80, 034609 (2009)

O.B.Tarasov, M.Portillo, A.M.Amthor, T.Baumann, D.Bazin, A.Gade, T.N.Ginter, M.Hausmann, N.Inabe, T.Kubo, D.J.Morrissey, A.Nettleton, J.Pereira, B.M.Sherrill, A.Stolz, M.Thoennessen

Production of very neutron-rich nuclei with a 76Ge beam

NUCLEAR REACTIONS 9Be, W(76Ge, X)50Cl/53Ar/55K/56K/57Ca/58Ca/59Sc/60Sc/61Sc/62Ti/63Ti/65V/66V/68Cr/70Mn/52Ar, E=132 MeV/nucleon; measured fragment yields, production σ for A=33-74, Z=13-29 nuclides, longitudinal momentum distributions for Z=17-25 nuclides, time-of-flight. Comparison with various model calculations.

doi: 10.1103/PhysRevC.80.034609


2008BA53     Phys.Rev.Lett. 101, 252501 (2008)

D.Bazin, F.Montes, A.Becerril, G.Lorusso, A.Amthor, T.Baumann, H.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.Mantica, M.Matos, R.Meharchand, K.Minamisono, G.Perdikakis, J.Pereira, J.Pinter, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Production and β Decay of rp-Process Nuclei 96Cd, 98In, and 100Sn

NUCLEAR REACTIONS 9Be(112Sn, X)96Cd/98In/100Sn, E=120 MeV/nucleon; measured cross sections.

RADIOACTIVITY 96Cd, 98In, 100Sn; measured decay spectra, half-lives.

doi: 10.1103/PhysRevLett.101.252501
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1777.
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2008CH07     Nucl.Phys. A801, 101 (2008)

G.Christian, W.A.Peters, D.Absalon, D.Albertson, T.Baumann, D.Bazin, E.Breitbach, J.Brown, P.L.Cole, D.Denby, P.A.DeYoung, J.E.Finck, N.Frank, A.Fritsch, C.Hall, A.M.Hayes, J.Hinnefeld, C.R.Hoffman, R.Howes, B.Luther, E.Mosby, S.Mosby, D.Padilla, P.V.Pancella, G.Peaslee, W.F.Rogers, A.Schiller, M.J.Strongman, M.Thoennessen, L.O.Wagner

Production of nuclei in neutron unbound states via primary fragmentation of 48Ca

NUCLEAR REACTIONS 9Be(48Ca, X)10Li/11,13Be/23O, E=60 MeV/nucleon; measured neutron decay energy spectra, (fragment)(neutron)-coin using sequential neutron decay spectroscopy technique. 10Li, 11,13Be, 23O observed unbound states.

doi: 10.1016/j.nuclphysa.2008.01.004


2008DE29     Phys.Rev. C 78, 044303 (2008)

D.H.Denby, P.A.DeYoung, T.Baumann, D.Bazin, E.Breitbach, J.Brown, N.Frank, A.Gade, C.C.Hall, J.Hinnefeld, C.R.Hoffman, R.Howes, R.A.Jenson, B.Luther, S.M.Mosby, C.W.Olson, W.A.Peters, A.Schiller, A.Spyrou, M.Thoennessen

Ground state energy and width of 7He from 8Li proton knockout

NUCLEAR REACTIONS Be(8Li, X), E=41 MeV/nucleon; measured particle spectra, angular distributions. Deduced energy of ground-state resonances. 7He; deduced ground-state energies and widths.

doi: 10.1103/PhysRevC.78.044303
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2008DE30     Phys.Rev. C 78, 051302 (2008)

A.Dewald, K.Starosta, P.Petkov, M.Hackstein, W.Rother, P.Adrich, A.M.Amthor, T.Baumann, D.Bazin, M.Bowen, A.Chester, A.Dunomes, A.Gade, D.Galaviz, T.Glasmacher, T.Ginter, M.Hausmann, J.Jolie, B.Melon, D.Miller, V.Moeller, R.P.Norris, T.Pissulla, M.Portillo, Y.Shimbara, A.Stolz, C.Vaman, P.Voss, D.Weisshaar

Collectivity of neutron-rich palladium isotopes and the valence proton symmetry

NUCLEAR REACTIONS 9Be(110Pd, 110Pd'), E=66 MeV/nucleon; 9Be(114Pd, 114Pd'), E=69 MeV/nucleon; measured Eγ, Iγ, half-lives using recoil distance doppler shift method. 110,114Pd; deduced levels, J, π, B(E2). 102,104,106,108,112,116Pd, 104,106,108,110,112,114,116,118Cd, 96,98,100,102,104,106,108,110,112,114Ru; systematics of B(E2) values. Coulomb excitation. Comparisons with Interacting Boson Model.

doi: 10.1103/PhysRevC.78.051302
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2008FR10     Nucl.Phys. A813, 199 (2008)

N.Frank, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, J.-L.Lecouey, B.Luther, W.A.Peters, H.Scheit, A.Schiller, M.Thoennessen, J.Tostevin

Neutron decay spectroscopy of neutron-rich oxygen isotopes

NUCLEAR REACTIONS 9Be(26Ne, X)22O/23O/24O, E=86 MeV/nucleon; measured fragment and neutron spectra, (fragment)n-coin, decay energy spectra; deduced reaction mechanism features. 22,23,24O deduced levels, J, π, strength functions, configurations. 23O observed unbound state.

doi: 10.1016/j.nuclphysa.2008.09.009
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2008HO03     Phys.Rev.Lett. 100, 152502 (2008)

C.R.Hoffman, T.Baumann, D.Bazin, J.Brown, G.Christian, P.A.DeYoung, J.E.Finck, N.Frank, J.Hinnefeld, R.Howes, P.Mears, E.Mosby, S.Mosby, J.Reith, B.Rizzo, W.F.Rogers, G.Peaslee, W.A.Peters, A.Schiller, M.J.Scott, S.L.Tabor, M.Thoennessen, P.J.Voss, T.Williams

Determination of the N = 16 Shell Closure at the Oxygen Drip Line

NUCLEAR REACTIONS Be(26F, 25O), E=85 MeV/nucleon; measured fragment, neutron energies and yields. 25O; deduced decay width.

doi: 10.1103/PhysRevLett.100.152502
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2007BA71     Nature(London) 449, 1022 (2007)

T.Baumann, A.M.Amthor, D.Bazin, B.A.Brown, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, O.B.Tarasov, M.Thoennessen

Discovery of 40Mg and 42Al suggests neutron drip-line slant towards heavier isotopes

NUCLEAR REACTIONS W(48Ca, X)40Mg/42Al, E=141 MeV/nucleon; measured fragment energies, charge and mass distributions.

doi: 10.1038/nature06213


2007SC32     Phys.Rev.Lett. 99, 112501 (2007)

A.Schiller, N.Frank, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, J.-L.Lecouey, B.Luther, W.A.Peters, H.Scheit, M.Thoennessen, J.A.Tostevin

Selective Population and Neutron Decay of an Excited State of 23O

NUCLEAR REACTIONS Be(26Ne, n2p), E=86 MeV/nucleon; measured neutron decay energy spectrum, fragment-neutron-coinc. 23O deduced level energy, spectroscopic factor.

doi: 10.1103/PhysRevLett.99.112501
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2007ST16     Phys.Rev.Lett. 99, 042503 (2007)

K.Starosta, A.Dewald, A.Dunomes, P.Adrich, A.M.Amthor, T.Baumann, D.Bazin, M.Bowen, B.A.Brown, A.Chester, A.Gade, D.Galaviz, T.Glasmacher, T.Ginter, M.Hausmann, M.Horoi, J.Jolie, B.Melon, D.Miller, V.Moeller, R.P.Norris, T.Pissulla, M.Portillo, W.Rother, Y.Shimbara, A.Stolz, C.Vaman, P.Voss, D.Weisshaar, V.Zelevinsky

Shape and Structure of N=Z 64Ge: Electromagnetic Transition Rates from the Application of the Recoil Distance Method to a Knockout Reaction

NUCLEAR REACTIONS 93Nb(65Ge, n), (63Zn, n), E not given; measured Eγ, Iγ and transition rates using recoil distance method. 64Ge, 62Zn deduced B(E2) and lifetimes.

doi: 10.1103/PhysRevLett.99.042503
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2007TA15     Phys.Rev. C 75, 064613 (2007)

O.B.Tarasov, T.Baumann, A.M.Amthor, D.Bazin, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, A.Nettleton, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, M.Thoennessen

New isotope 44Si and systematics of the production cross sections of the most neutron-rich nuclei

NUCLEAR REACTIONS 184W, 9Be(48Ca, X)36Mg/37Mg/38Mg/41Si/42Si/43Si/44Si, E=142 MeV/nucleon; measured production cross sections. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064613
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1568.
Data from this article have been entered in the XUNDL database. For more information, click here.


2006HO14     Eur.Phys.J. A 27, Supplement 1, 217 (2006)

A.Horvath, K.Ieki, A.Kiss, A.Galonsky, M.Thoennessen, T.Baumann, D.Bazin, C.A.Bertulani, C.Bordeanu, N.Carlin, M.Csanad, F.Deak, P.DeYoung, N.Frank, T.Fukuchi, Zs.Fulop, A.Gade, D.Galaviz, C.Hoffman, R.Izsak, W.A.Peters, H.Schelin, A.Schiller, R.Sugo, Z.Seres, G.I.Veres

Can the neutron-capture cross sections be measured with Coulomb dissociation?

NUCLEAR REACTIONS C, Pb(8Li, n7Li), E=41 MeV/nucleon; measured particle spectra, angular distributions; deduced nuclear and Coulomb contributions.

doi: 10.1140/epja/i2006-08-033-6


2005CO19     J.Phys.(London) G31, S1629 (2005)

D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Muenzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Suemmerer, I.Szarka, H.Weick

Structure of neutron-rich oxygen isotopes

NUCLEAR STRUCTURE 21,23O; analyzed longitudinal momentum distributions, related data following one-neutron removal. 23O deduced ground-state J, π, configuration.

doi: 10.1088/0954-3899/31/10/045


2005CO24     Eur.Phys.J. A 25, Supplement 1, 343 (2005)

D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, V.Pribora, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, H.Weick

One-neutron knockout of 23O

NUCLEAR REACTIONS C(23O, 22OX), E=938 MeV/nucleon; measured longitudinal momentum distributions, one-neutron removal σ. 23O deduced ground-state J, π, configuration.

doi: 10.1140/epjad/i2005-06-149-2


2005HE08     Nucl.Phys. A750, 175 (2005)

P.Heckman, B.B.Back, T.Baumann, M.P.Carpenter, I.Dioszegi, D.J.Hofman, T.L.Khoo, S.Mitsuoka, V.Nanal, T.Pennington, J.P.Seitz, M.Thoennessen, E.Tryggestad, R.L.Varner

Temperature and spin dependence of the giant dipole resonance width

NUCLEAR REACTIONS 100Mo(17O, xnyp), E=78.8 MeV; 100Mo(18O, xnyp), E=95.0 MeV; measured Eγ, Iγ, (evaporation residue)γ-coin. 117,118Sn deduced GDR widths, temperature and spin dependence features. Comparison with model predictions.

doi: 10.1016/j.nuclphysa.2004.12.065


2005SC20     Phys.Rev. C 72, 037601 (2005)

A.Schiller, T.Baumann, J.Dietrich, S.Kaiser, W.Peters, M.Thoennessen

Search for particle-bound 26O and 28F in p-stripping reactions

NUCLEAR REACTIONS C(27F, X), (29Ne, X), E ≈ 90 MeV/nucleon; measured fragment yields, production σ upper limits; deduced no evidence for 26O, 28F.

doi: 10.1103/PhysRevC.72.037601


2005ST29     Phys.Lett. B 627, 32 (2005)

A.Stolz, T.Baumann, N.H.Frank, T.N.Ginter, G.W.Hitt, E.Kwan, M.Mocko, W.Peters, A.Schiller, C.S.Sumithrarachchi, M.Thoennessen

First observation of 60Ge and 64Se

NUCLEAR REACTIONS 9Be(78Kr, X)60Ge/61Ge/62Ge/63Ge/64Ge/64Se/65Se/66Se/67Se/68Se, E=140 MeV/nucleon; measured production σ, isotopic yields; deduced no evidence for 59Ga, 63As. 60Ge, 64Se deduced T1/2 lower limits. 59Ga, 63As deduced T1/2 upper limits.

doi: 10.1016/j.physletb.2005.08.130
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1603.
Data from this article have been entered in the XUNDL database. For more information, click here.


2005ST34     Eur.Phys.J. A 25, Supplement 1, 335 (2005)

A.Stolz, T.Baumann, N.H.Frank, T.N.Ginter, G.W.Hitt, E.Kwan, M.Mocko, W.Peters, A.Schiller, C.S.Sumithrarachchi, M.Thoennessen

Discovery of 60Ge and 64Se

NUCLEAR REACTIONS 9Be(78Kr, X)60Ge/61Ge/62Ge/63Ge/64Ge/64Se/65Se/66Se/67Se/68Se, E=140 MeV/nucleon; measured production σ, isotopic yields; deduced no evidence for 59Ga, 63As.

doi: 10.1140/epjad/i2005-06-192-y


2004CO11     Phys.Rev.Lett. 93, 062501 (2004)

D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, V.Pribora, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, H.Weick

Shell Structure of the Near-Dripline Nucleus 23O

NUCLEAR REACTIONS C(23O, 22OX), E=938 MeV/nucleon; measured one-neutron removal σ, Eγ, Iγ, (particle)γ-coin, longitudinal momentum distribution. 23O deduced ground-state J, π. 22O deduced levels, J, π. C(19O, X), (20O, X), (21O, X), (22O, X), E ≈ 935 MeV/nucleon; measured one-neutron removal σ.

doi: 10.1103/PhysRevLett.93.062501
Data from this article have been entered in the XUNDL database. For more information, click here.


2004FR33     Nucl.Phys. A746, 551c (2004)

N.Frank, T.Baumann, D.Bazin, R.R.C.Clement, M.W.Cooper, P.Heckman, W.A.Peters, A.Stolz, M.Thoennessen, M.S.Wallace

Half-life limit of 19Mg

NUCLEAR REACTIONS Be(36Ar, X), E=150 MeV/nucleon; measured fragments isotopic yields; deduced no evidence for 19Mg. 19Mg deduced T1/2 upper limit.

doi: 10.1016/j.nuclphysa.2004.09.088


2004TH13     Nucl.Phys. A746, 536c (2004)

M.Thoennessen, T.Baumann, B.A.Brown, J.Enders, N.H.Frank, P.G.Hansen, P.Heckman, B.A.Luther, J.P.Seitz, A.Stolz, E.Tryggestad

Single proton knock-out from 24F

NUCLEAR REACTIONS 12C(24F, X)20O/21O/22O/23O, E=46.7 MeV/nucleon; measured single proton knock-out yields, spectroscopic strengths. 23O deduced ground-state configuration.

doi: 10.1016/j.nuclphysa.2004.09.109
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1527.


2003BA47     Phys.Rev. C 67, 061303 (2003)

T.Baumann, N.Frank, B.A.Luther, D.J.Morrissey, J.P.Seitz, B.M.Sherrill, M.Steiner, J.Stetson, A.Stolz, M.Thoennessen, I.Wiedenhover

First search for 16Be

NUCLEAR REACTIONS Be(40Ar, X)6He/8He/9Li/11Li/12Be/14Be/17B/19B/20C, E=140 MeV/nucleon; measured yields; deduced no evidence for 16Be. Fragment separator.

doi: 10.1103/PhysRevC.67.061303


2003CO06     Nucl.Phys. A720, 3 (2003)

D.Cortina-Gil, J.Fernandez-Vazquez, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.Chulkov, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Yu.Parfenova, V.Pribora, A.Richter, K.Riisager, R.Schneider, H.Scheit, G.Schrieder, N.Shulgina, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.V.Zhukov

Nuclear and Coulomb breakup of 8B

NUCLEAR REACTIONS C, Pb(8B, p7Be), E=936 MeV/nucleon; measured fragments longitudinal momentum distributions, one-proton removal σ, Eγ, Iγ. 7Be deduced transition. 8B deduced core-excited component of ground state. Comparisons with model predictions.

doi: 10.1016/S0375-9474(03)00671-7


2003EN05     Phys.Rev. C 67, 064301 (2003)

J.Enders, T.Baumann, B.A.Brown, N.H.Frank, P.G.Hansen, P.R.Heckman, B.M.Sherrill, A.Stolz, M.Thoennessen, J.A.Tostevin, E.J.Tryggestad, S.Typel, M.S.Wallace

Spectroscopic factors measured in inclusive proton-knockout reactions on 8B and 9C at intermediate energies

NUCLEAR REACTIONS 12C(9C, 8BX), (9C, 7BeX), (8B, 7BeX), E ≈ 77 MeV/nucleon; measured proton-knockout σ. 8B, 9C deduced spectroscopic factors. Comparisons with previous results, model predictions. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.67.064301
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1486.


2003FR31     Phys.Rev. C 68, 054309 (2003)

N.Frank, T.Baumann, D.Bazin, R.R.C.Clement, M.W.Cooper, P.Heckman, W.A.Peters, A.Stolz, M.Thoennessen, M.S.Wallace

Half-life limit of 19Mg

NUCLEAR REACTIONS Be(36Ar, X), E=150 MeV/nucleon; measured fragment isotopic yields; deduced no evidence for 19Mg. 19Mg deduced T1/2 upper limit.

doi: 10.1103/PhysRevC.68.054309


2003ME16     Nucl.Phys. A718, 431c (2003)

M.Meister, D.Cortina-Gil, J.Fernandez-Vazquez, K.Markenroth, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Parfenova, V.Pribora, K.Riisager, H.Scheit, R.Schneider, K.Schmidt, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.Zhukov

High-energy breakup of 8B

NUCLEAR REACTIONS C, Pb(8B, p7Be), E=936 MeV/nucleon; measured one-proton removal σ, fragments longitudinal momentum distributions, Eγ, Iγ. 8B deduced core-excited component, astrophysical S-factor.

doi: 10.1016/S0375-9474(03)00822-4


2003PE23     Phys.Rev. C 68, 034607 (2003)

W.A.Peters, T.Baumann, D.Bazin, B.A.Brown, R.R.C.Clement, N.Frank, P.Heckman, B.A.Luther, F.Nunes, J.Seitz, A.Stolz, M.Thoennessen, E.Tryggestad

First two energy levels in 15F

NUCLEAR REACTIONS 1H(14O, p), E < 8 MeV; measured recoil proton spectra. 15F deduced ground and excited states energies. Elastic resonance scattering.

doi: 10.1103/PhysRevC.68.034607


2003TH07     Phys.Rev. C 68, 044318 (2003)

M.Thoennessen, T.Baumann, B.A.Brown, J.Enders, N.Frank, P.G.Hansen, P.Heckman, B.A.Luther, J.Seitz, A.Stolz, E.Tryggestad

Single proton knock-out reactions from 24, 25, 26F

NUCLEAR REACTIONS 12C(24F, X), (25F, X), (26F, X)20O/21O/22O/23O/24O, E ≈ 50 MeV/nucleon; measured production σ. 12C(24F, 23O), (25F, 24O), (26F, 25O), E ≈ 50 MeV/nucleon; measured one-proton knock-out σ; deduced spectroscopic factors. 25O deduced particle instability. Comparisons with model predictions.

doi: 10.1103/PhysRevC.68.044318


2003TH10     Nucl.Phys. A722, 61c (2003)

M.Thoennessen, T.Baumann, J.Enders, N.H.Frank, P.Heckman, J.P.Seitz, A.Stolz, E.Tryggestad

Investigation of neutron-rich oxygen and fluorine isotopes

NUCLEAR REACTIONS 12C(24F, X)19O/20O/21O/22O/23O, E=46.7 MeV/nucleon; 12C(25F, X), (26F, X)20O/21O/22O/23O/24O, E ≈ 50 MeV/nucleon; measured yields; deduced no evidence for 25O.

doi: 10.1016/S0375-9474(03)01336-8


2003TR05     Phys.Rev. C 67, 064309 (2003)

E.Tryggestad, T.Baumann, P.Heckman, M.Thoennessen, T.Aumann, D.Bazin, Y.Blumenfeld, J.R.Beene, T.A.Lewis, D.C.Radford, D.Shapira, R.L.Varner, M.Chartier, M.L.Halbert, J.F.Liang

Low-lying E1 strength in 20O

NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, B(E1). Comparison with model predictions.

doi: 10.1103/PhysRevC.67.064309


2002BA61     Nucl.Phys. A701, 282c (2002)

T.Baumann, M.J.Chromik, R.R.C.Clement, C.Freigang, P.Heckman, J.P.Seitz, B.M.Sherrill, M.Thoennessen, E.J.Tryggestad

Stopping Energetic Beams in Gas

doi: 10.1016/S0375-9474(01)01599-8


2002CO04     Phys.Lett. 529B, 36 (2002)

D.Cortina-Gil, K.Markenroth, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.D.Pramanik, J.Fernandez-Vazquez, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Parfenova, V.Pribora, K.Riisager, H.Scheit, R.Schneider, K.Schmidt, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.Zhukov

Experimental Evidence for the 8B Ground State Configuration

NUCLEAR REACTIONS C(8B, 7BeX), E=936 MeV/nucleon; measured Eγ, fragments parallel momentum distribution, (fragment)γ-coin; deduced fragment excitation. 8B deduced ground state configuration. Fragment separator, comparison with model predictions.

doi: 10.1016/S0370-2693(02)01245-5


2002DA15     Nucl.Phys. A701, 14c (2002)

B.Davids, D.W.Anthony, T.Aumann, S.M.Austin, T.Baumann, D.Bazin, R.R.C.Clement, P.A.Lofy, T.Nakamura, B.M.Sherrill, J.Yurkon, C.N.Davids, H.Esbensen

A Kinematically Complete Measurement of the Coulomb Dissociation of 8B

NUCLEAR REACTIONS Pb(8B, p7Be), E=83 MeV/nucleon; measured particle spectra; deduced Coulomb dissociation σ. 7Be(p, γ), E=low; deduced astrophysical S-factor. Kinematically complete measurement.

doi: 10.1016/S0375-9474(01)01538-X


2002ME07     Phys.Rev.Lett. 88, 102501 (2002)

M.Meister, K.Markenroth, D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, C.Forssen, H.Geissel, M.Hellstrom, R.Holzmann, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, A.Leistenschneider, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, O.Tengblad, M.V.Zhukov

Evidence for a New Low-Lying Resonance State in 7He

NUCLEAR REACTIONS C(8He, X), E=227 MeV/nucleon; measured neutron and 6He momenta, (neutron)(6He)-coin, σ(E) following projectile breakup. 7He deduced ground state and resonance width, J, π, level scheme following compilation of earlier data.

doi: 10.1103/PhysRevLett.88.102501


2002ME09     Nucl.Phys. A700, 3 (2002)

M.Meister, K.Markenroth, D.Aleksandrov, T.Aumann, T.Baumann, M.J.G.Borge, L.V.Chulkov, D.Cortina-Gil, B.Eberlein, Th.W.Elze, H.Emling, H.Geissel, M.Hellstrom, B.Jonson, J.V.Kratz, R.Kulessa, A.Leistenschneider, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, M.Pfutzner, V.Pribora, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, O.Tengblad, M.V.Zhukov

8He-6He: A comparative study of electromagnetic fragmentation reactions

NUCLEAR REACTIONS Pb(8He, xn6He), E=227 MeV/nucleon; Pb(6He, xnα), E=240 MeV/nucleon; measured σ, σ(θ), σ(E). 8He deduced resonance energy, J, π, B(E1).

doi: 10.1016/S0375-9474(01)01305-7
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0172.


2002OZ03     Nucl.Phys. A709, 60 (2002); Erratum Nucl.Phys. A727, 465 (2003)

A.Ozawa, T.Baumann, L.Chulkov, D.Cortina, U.Datta, J.Fernandez, H.Geissel, F.Hammache, K.Itahashi, M.Ivanov, R.Janik, T.Kato, K.Kimura, T.Kobayashi, K.Markenroth, M.Meister, G.Munzenberg, T.Ohtsubo, S.Ohya, T.Okuda, A.A.Ogloblin, V.Pribora, M.Sekiguchi, B.Sitar, P.Strmen, S.Sugimoto, K.Summerer, T.Suzuki, I.Tanihata, Y.Yamaguchi

Measurements of the Interaction Cross Sections for Ar and Cl Isotopes

NUCLEAR REACTIONS C(31Ar, X), (32Ar, X), (33Ar, X), (34Ar, X), (35Ar, X), (36Ar, X), (37Ar, X), (38Ar, X), (39Ar, X), (40Ar, X), (31Cl, X), (32Cl, X), (33Cl, X), (34Cl, X), (35Cl, X), (36Cl, X), (37Cl, X), E ≈ 950 MeV/nucleon; measured interaction and inelastic σ.31,32,33,34,35,36,37,38,39,40Ar, 31,32,33,34,35,36,37Cl deduced effective radii. 32,33,34,35,36,37,38,39,40Ar deduced proton skin features.

doi: 10.1016/S0375-9474(02)01071-0


2002TR11     Phys.Lett. 541B, 52 (2002)

E.Tryggestad, T.Aumann, T.Baumann, D.Bazin, J.R.Beene, Y.Blumenfeld, B.A.Brown, M.Chartier, M.L.Halbert, P.Heckman, J.F.Liang, D.C.Radford, D.Shapira, M.Thoennessen, R.L.Varner

Low-Lying Dipole Strength in 20O

NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, excitation B(E1), B(E2). Comparison with shell model predictions.

doi: 10.1016/S0370-2693(02)02224-4


2001CO06     Eur.Phys.J. A 10, 49 (2001)

D.Cortina-Gil, T.Baumann, H.Geissel, H.Lenske, K.Summerer, L.Axelsson, U.Bergmann, M.J.G.Borge, L.M.Fraile, M.Hellstrom, M.Ivanov, N.Iwasa, R.Janik, B.Jonson, K.Markenroth, G.Munzenberg, F.Nickel, T.Nilsson, A.Ozawa, K.Riisager, G.Schrieder, W.Schwab, H.Simon, C.Scheidenberger, B.Sitar, T.Suzuki, M.Winkler

One-Nucleon Removal Cross-Sections for 17, 19C and 8, 10B

NUCLEAR REACTIONS C(17C, 16CX), E=904 MeV; C, Pb(19C, 18CX), E=910 MeV; C, Pb(8B, 7BeX), C(10B, 9BeX), E ≈ 1440 MeV; measured one-nucleon removal σ, momentum distributions. 8B, 19C deduced halo structures. Fragment separator.

doi: 10.1007/s100500170143


2001DA03     Phys.Rev.Lett. 86, 2750 (2001)

B.Davids, D.W.Anthony, T.Aumann, S.M.Austin, T.Baumann, D.Bazin, R.R.C.Clement, C.N.Davids, H.Esbensen, P.A.Lofy, T.Nakamura, B.M.Sherrill, J.Yurkon

S17(0) Determined from the Coulomb Breakup of 83 MeV/Nucleon 8B

NUCLEAR REACTIONS Pb(8B, p7Be), E=83 MeV/nucleon; measured particle spectra, σ(E, θ). 7Be(p, γ), E=low; deduced astrophysical S-factor. Kinematically complete measurement, first-order perturbation theory analysis.

doi: 10.1103/PhysRevLett.86.2750


2001EN05     Nucl.Phys. A690, 235c (2001)

J.Enders, D.W.Anthony, T.Aumann, A.Bauer, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.L.Miller, T.Nakamura, A.Navin, B.V.Pritychenko, B.M.Sherrill, E.J.Spears, M.Steiner, J.A.Tostevin, A.Wagner, J.Yurkon

Study of 34, 35Si and 37S with Single-Neutron Removal Reactions

NUCLEAR REACTIONS 9Be(34Si, 33Si), (35Si, 34Si), (37S, 36S), E ≈ 60 MeV/nucleon; measured parallel momentum spectra, Eγ, Iγ, σ(E), deduced role of intruder configurations.

doi: 10.1016/S0375-9474(01)00948-4


2001MA05     Nucl.Phys. A679, 462 (2001)

K.Markenroth, M.Meister, B.Eberlein, D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, W.Dostal, Th.W.Elze, H.Emling, H.Geissel, A.Grunschloss, M.Hellstrom, J.Holeczek, B.Jonson, J.V.Kratz, R.Kulessa, A.Leistenschneider, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, M.Pfutzner, V.Pribora, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, J.Stroth, O.Tengblad, M.V.Zhukov

8He-6He: A comparative study of nuclear fragmentation reactions

NUCLEAR REACTIONS C(8He, nα), (8He, 2nα), E=227 MeV/nucleon; C(6He, nα), (6He, 2nα), E=240 MeV/nucleon; measured fragments relative energy spectra, σ(θ); deduced reaction mechanism features. 7,8He deduced resonance features.

doi: 10.1016/S0375-9474(00)00372-9
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0312.


2000AL04     Nucl.Phys. A669, 51 (2000)

D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, J.Cub, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, H.Geissel, V.Z.Goldberg, A.Grunschloss, M.Hellstrom, J.Holeczek, R.Holzmann, B.Jonson, J.V.Kratz, G.Kraus, R.Kulessa, Y.Leifels, A.Leistenschneider, T.Leth, K.Markenroth, M.Meister, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, B.Petersen, M.Pfutzner, V.Pribora, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, W.Schwab, H.Simon, M.H.Smedberg, J.Stroth, A.Surowiec, O.Tengblad, M.V.Zhukov

Halo Excitations in Fragmentation of 6He at 240 MeV/u on Carbon and Lead Targets

NUCLEAR REACTIONS C, Pb(6He, 2nα), E=240 MeV/nucleon; measured excitation energy spectra, σ(θ); deduced reaction mechanism features. 6He level deduced neutron configuration. Secondary beam from 18O fragmentation.

doi: 10.1016/S0375-9474(99)00825-8


2000CO31     Acta Phys.Hung.N.S. 12, 275 (2000)

D.Cortina-Gil, F.Attallah, T.Aumann, L.Axelsson, T.Baumann, J.Benlliure, M.J.G.Borge, K.Boretzky, L.Chulkov, U.D.Pramanik, J.Fernandez, L.Fraile, H.Geissel, J.Gerl, F.Hammache, V.Hansper, K.Itahashi, M.Ivanov, R.Janik, B.Jonson, H.Lenske, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, V.Pribora, K.Riisager, B.Sitar, P.Strmen, I.Szarka, C.Scheidenberger, K.Schmidt, G.Schrieder, K.Summerer, T.Suzuki, H.Weick

One-Nucleon Removal Reactions at the FRS

NUCLEAR STRUCTURE 8B, 12,17,19C; analyzed one-nucleon removal reaction data.


2000NA23     Phys.Rev.Lett. 85, 266 (2000)

A.Navin, D.W.Anthony, T.Aumann, T.Baumann, D.Bazin, Y.Blumenfeld, B.A.Brown, T.Glasmacher, P.G.Hansen, R.W.Ibbotson, P.A.Lofy, V.Maddalena, K.Miller, T.Nakamura, B.V.Pritychenko, B.M.Sherrill, E.Spears, M.Steiner, J.A.Tostevin, J.Yurkon, A.Wagner

Direct Evidence for the Breakdown of the N = 8 Shell Closure in 12Be

NUCLEAR REACTIONS 9Be(12Be, 11BeX), E=78 MeV/nucleon; measured σ(E, θ), longitudinal momentum distribution, γ spectrum. 11Be levels deduced spectroscopic factors, no N=8 shell closure. S800 spectrograph.

doi: 10.1103/PhysRevLett.85.266
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1153.


1999AU01     Phys.Rev. C59, 1252 (1999)

T.Aumann, D.Aleksandrov, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, J.Cub, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, H.Geissel, V.Z.Goldberg, M.Golovkov, A.Grunschloss, M.Hellstrom, K.Hencken, J.Holeczek, R.Holzmann, B.Jonson, A.A.Korsheninnikov, J.V.Kratz, G.Kraus, R.Kulessa, Y.Leifels, A.Leistenschneider, T.Leth, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, B.Petersen, M.Pfutzner, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, W.Schwab, H.Simon, M.H.Smedberg, M.Steiner, J.Stroth, A.Surowiec, T.Suzuki, O.Tengblad, M.V.Zhukov

Continuum Excitations in 6He

NUCLEAR REACTIONS C, Pb(6He, 2nα), E=240 MeV/nucleon; measured Eα, neutron spectra, σ(E), σ(θ), integrated σ. 6He; deduced E1 continuum strength distribution, 2+ resonance excitation B(E2), other reaction mechanism features. Secondary beam from 18O fragmentation. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.59.1252


1999IW03     Phys.Rev.Lett. 83, 2910 (1999)

N.Iwasa, F.Boue, G.Surowka, K.Summerer, T.Baumann, B.Blank, S.Czajkowski, A.Forster, M.Gai, H.Geissel, E.Grosse, M.Hellstrom, P.Koczon, B.Kohlmeyer, R.Kulessa, F.Laue, C.Marchand, T.Motobayashi, H.Oeschler, A.Ozawa, M.S.Pravikoff, E.Schwab, W.Schwab, P.Senger, J.Speer, C.Sturm, A.Surowiec, T.Teranishi, F.Uhlig, A.Wagner, W.Walus, C.A.Bertulani

Measurement of the Coulomb Dissociation of 8B at 254 MeV/nucleon and the 8B Solar Neutrino Flux

NUCLEAR REACTIONS 208Pb(8B, p7Be), E ≈ 254 MeV/nucleon; measured reaction products yields, relative energy, angular correlations. 7Be(p, γ), E=low; deduced astrophysical S-factors.

doi: 10.1103/PhysRevLett.83.2910
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0162.


1999SI08     Phys.Rev.Lett. 83, 496 (1999)

H.Simon, D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, R.Collatz, J.Cub, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, H.Geissel, A.Grunschloss, M.Hellstrom, J.Holeczek, R.Holzmann, B.Jonson, J.V.Kratz, G.Kraus, R.Kulessa, Y.Leifels, A.Leistenschneider, T.Leth, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, B.Petersen, M.Pfutzner, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, W.Schwab, M.H.Smedberg, J.Stroth, A.Surowiec, O.Tengblad, M.V.Zhukov

Direct Experimental Evidence for Strong Admixture of Different Parity States in 11Li

NUCLEAR REACTIONS C(11Li, n10Li), E=287 MeV/nucleon; measured core fragment transverse momentum, (fragment)n-coin, decay neutron angular distribution. 11Li deduced ground-state wave function parity admixture.

doi: 10.1103/PhysRevLett.83.496


1999SM04     Phys.Lett. 452B, 1 (1999)

M.H.Smedberg, T.Baumann, T.Aumann, L.Axelsson, U.Bergmann, M.J.G.Borge, D.Cortina-Gil, L.M.Fraile, H.Geissel, L.Grigorenko, M.Hellstrom, M.Ivanov, N.Iwasa, R.Janik, B.Jonson, H.Lenske, K.Markenroth, G.Munzenberg, T.Nilsson, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, W.Schwab, H.Simon, B.Sitar, P.Strmen, K.Summerer, M.Winkler, M.V.Zhukov

New Results on the Halo Structure of 8B

NUCLEAR REACTIONS C(8B, p7Be), E=1440 MeV/nucleon; measured σ, heavy fragment longitudinal momentum distribution; deduced shadowing effect. 8B deduced halo structure. Fragment separator, secondary beam from carbon fragmentation.

doi: 10.1016/S0370-2693(99)00245-2


1999TH01     Phys.Rev. C59, 111 (1999)

M.Thoennessen, S.Yokoyama, A.Azhari, T.Baumann, J.A.Brown, A.Galonsky, P.G.Hansen, J.H.Kelley, R.A.Kryger, E.Ramakrishnan, P.Thirolf

Population of 10Li by Fragmentation

NUCLEAR REACTIONS 9Be(18O, X)10Li, E=80 MeV/nucleon; measured n-9Li relative velocity spectra. 10Li deduced low-lying s-wave strength.

doi: 10.1103/PhysRevC.59.111


1998AL10     Nucl.Phys. A633, 234 (1998)

D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, J.Cub, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, H.Geissel, V.Z.Goldberg, M.Golovkov, A.Grunschloss, M.Hellstrom, J.Holeczek, R.Holzmann, B.Jonson, A.A.Korsheninnikov, J.V.Kratz, G.Kraus, R.Kulessa, Y.Leifels, A.Leistenschneider, T.Leth, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, B.Petersen, M.Pfutzner, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, W.Schwab, H.Simon, M.H.Smedberg, M.Steiner, J.Stroth, A.Surowiec, T.Suzuki, O.Tengblad, M.V.Zhukov

Invariant Mass Spectrum and α-n Correlation Function Studied in the Fragmentation of 6He on a Carbon Target

NUCLEAR REACTIONS C(6He, nα), E=240 MeV/nucleon; measured En, Eα, nα-coin; deduced two-step reaction mechanism. Radioactive beam, halo nuclei.

doi: 10.1016/S0375-9474(98)00120-1
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0172.


1998AZ01     Phys.Rev. C57, 628 (1998)

A.Azhari, T.Baumann, J.A.Brown, M.Hellstrom, J.H.Kelley, R.A.Kryger, D.J.Millener, H.Madani, E.Ramakrishnan, D.E.Russ, T.Suomijarvi, M.Thoennessen, S.Yokoyama

Proton Decay of States in 11N

NUCLEAR REACTIONS 9Be(12N, 11N), E=40 MeV/nucleon; measured projectile-like fragment decay p(10C)-coin. 11N deduced levels J, π, Γ, proton decay branching ratios.

doi: 10.1103/PhysRevC.57.628


1998BA37     Nucl.Phys. A635, 428 (1998)

T.Baumann, E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, J.F.Dempsey, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, D.W.Stracener, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama

Evolution of the Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering

NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; 208Pb(α, α'), E=40 MeV/nucleon; measured Eγ, Iγ, Eα, Iα, αγ-coin. 120Sn, 208Pb deduced GDR width vs temperature, shape effects. Adiabatic coupling model.

doi: 10.1016/S0375-9474(98)00197-3


1998BA87     Phys.Lett. 439B, 256 (1998)

T.Baumann, M.J.G.Borge, H.Geissel, H.Lenske, K.Markenroth, W.Schwab, M.H.Smedberg, T.Aumann, L.Axelsson, U.Bergmann, D.Cortina-Gil, L.Fraile, M.Hellstrom, M.Ivanov, N.Iwasa, R.Janik, B.Jonson, G.Munzenberg, F.Nickel, T.Nilsson, A.Ozawa, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, B.Sitar, P.Strmen, K.Summerer, T.Suzuki, M.Winkler, H.Wollnik, M.V.Zhukov

Longitudinal Momentum Distributions of 16, 18C Fragments After One-Neutron Removal from 17, 19C

NUCLEAR REACTIONS C(17C, n16C), (19C, n18C), E ≈ 910 MeV/nucleon; measured carbon fragments longitudinal momentum distributions. 17,19C deduced halo features. Secondary beams from 40Ar primary beam fragmentation.

doi: 10.1016/S0370-2693(98)01097-1


1998PF02     Phys.Lett. 444B, 32 (1998)

M.Pfutzner, P.Armbruster, T.Baumann, J.Benlliure, M.Bernas, W.N.Catford, D.Cortina-Gil, J.M.Daugas, H.Geissel, M.Gorska, H.Grawe, R.Grzywacz, M.Hellstrom, N.Iwasa, Z.Janas, A.R.Junghans, M.Karny, S.Leenhardt, M.Lewitowicz, A.C.Mueller, F.de Oliviera, P.H.Regan, M.Rejmund, K.Rykaczewski, K.Summerer

New Isotopes and Isomers Produced by the Fragmentation of 238U at 1000 MeV/Nucleon

NUCLEAR REACTIONS Be(238U, X), E=1000 MeV/nucleon; measured fragments isotopic production σ, Eγ, Iγ(t) from fragment decay; deduced evidence for 209,210Hg, 211,212Tl, 218Bi, 219,220Po. 201,202,203,206,207,208,209,210Hg, 202,203,204,205,206Tl, 205,206,207,208,209,211,212,213,214,215Pb, 208,209,210,211,214,215,216,217,218Bi deduced production σ; 203,204Tl, 211Bi, 212Pb deduced transitions. 203,204,205Tl, 205,206,208,212Pb, 207,210,211Bi deduced isomeric states T1/2.

doi: 10.1016/S0370-2693(98)01332-X
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1997BA41     Acta Phys.Pol. B28, 197 (1997)

T.Baumann, E.Ramakrishnan, M.Thoennessen

Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering

NUCLEAR STRUCTURE 120Sn, 208Pb; analyzed Γ(GDR) vs excitation energy. Adiabatic coupling, collisional models.


1997BL08     Nucl.Phys. A624, 242 (1997)

B.Blank, C.Marchand, M.S.Pravikoff, T.Baumann, F.Boue, H.Geissel, M.Hellstrom, N.Iwasa, W.Schwab, K.Summerer, M.Gai

Total Interaction and Proton-Removal Cross-Section Measurements for the Proton-Rich Isotopes 7Be, 8B, and 9C

NUCLEAR REACTIONS C, 27Al, Sn, Pb(7Be, X), E=142 MeV/nucleon; measured total interaction σ. C, 27Al, Sn, Pb(8B, X), (9C, X), E=142 MeV/nucleon; measured interaction, one-proton removal σ. C, 27Al, Sn, Pb(9C, X), E=142 MeV/nucleon; measured two-proton removal σ. Glauber-type calculations.

doi: 10.1016/S0375-9474(97)00379-5


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