NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 26, 2024.

Search: Author = C.Bohm

Found 16 matches.

Back to query form

2014BO26      Phys.Rev. C 90, 044307 (2014)

Ch.Bohm, Ch.Borgmann, G.Audi, D.Beck, K.Blaum, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, S.Eliseev, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, M.Wang, R.N.Wolf, K.Zuber

Evolution of nuclear ground-state properties of neutron-deficient isotopes around Z=82 from precision mass measurements

ATOMIC MASSES ^{184,186,190m,193m,194,194m,195,195m,198,198m}Tl, ^202,208Pb, ^207,208Fr, ²²⁴Ra; measured cyclotron frequencies high-precision mass excesses using Penning-trap ISOLTRAP at ISOLDE/CERN; deduced S(2n), S(2p), pairing gap parameter, odd-even effect. Isotopes produced by impinging a 1.4-GeV proton beam on a thick, high-temperature uranium carbide (UC_x) target. Comparison with other experimental results, AME-03, AME-12 evaluations, and microscopic calculations assuming spherical shape of the ground states. Systematics of pairing gaps, S(2p), S(2n), and excitation energy of the (9/2-) isomers for N=96-124 Au and Tl nuclei. Analyzed gradual development of collectivity with proton removal in Z=82.

doi: 10.1103/PhysRevC.90.044307
Citations: PlumX Metrics

2013KR15      Nucl.Instrum.Methods Phys.Res. B317, 492 (2013)

S.Kreim, D.Atanasov, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, D.Fink, S.George, A.Herlert, A.Kellerbauer, U.Koster, M.Kowalska, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, T.Nicol, R.E.Rossel, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber

Recent exploits of the ISOLTRAP mass spectrometer

ATOMIC MASSES ¹⁹¹Au; measured time-of-flight ion-cyclotron resonance spectra; deduced mass excess. Comparison with available data.

doi: 10.1016/j.nimb.2013.07.072
Citations: PlumX Metrics

2013ST25      Phys.Rev. C 88, 054304 (2013)

J.Stanja, Ch.Borgmann, J.Agramunt, A.Algora, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, T.E.Cocolios, L.M.Fraile, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, G.Simpson, F.Wienholtz, R.N.Wolf, K.Zuber

Mass spectrometry and decay spectroscopy of isomers across the Z=82 shell closure

ATOMIC MASSES ^190mTl, ¹⁹⁴Tl, ^194mTl, ¹⁹⁸At; measured time-of-flight ion cyclotron (TOF-ICR) resonances, mass excesses using RILIS and ISOLTRAP at ISOLDE-CERN facility; deduced level energies, J, π for ground states and isomers, Q values for decays. ¹⁹⁰Tl, ¹⁹⁴Bi, ^194mBi, ^198mAt, ²⁰²Fr, ^202mFr, ²⁰⁶Ac, ^206mAc; deduced mass excesses in α-decay chains using measured mass values for 7(+) state in ^190mTl and (3+) in ¹⁹⁸At. Comparison with AME-03 data. Discussed hyperfine structure for ^198,198mAt and state assignments from another experiment at ISOLTRAP-ISOLDE-CERN facility.

RADIOACTIVITY ^190,194Tl(β^-); measured Eγ, βγ-coin correlated with implants, half-lives of parent states, Q values for decays. Systematics of levels, J, π, μ in isomeric states of ^{184,186,188,190,192,194,196,198,200,202,204}Tl.

doi: 10.1103/PhysRevC.88.054304
Citations: PlumX Metrics

2013WO06      Phys.Rev.Lett. 110, 041101 (2013)

R.N.Wolf, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, N.Chamel, S.Goriely, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, K.Zuber

Plumbing Neutron Stars to New Depths with the Binding Energy of the Exotic Nuclide ⁸²Zn

ATOMIC MASSES ⁸²Zn; measured time-of-flight resonance, mean frequency ratio; deduced mass. ISOLTRAP setup at the ISOLDE-CERN facility.

doi: 10.1103/PhysRevLett.110.041101
Citations: PlumX Metrics

2012FI01      Phys.Rev.Lett. 108, 062502 (2012)

D.Fink, J.Barea, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, F.Herfurth, A.Herlert, J.Kotila, M.Kowalska, S.Kreim, D.Lunney, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard, F.Simkovic, J.Stanja, K.Zuber

Q Value and Half-Lives for the Double-β-Decay Nuclide ¹¹⁰Pd

RADIOACTIVITY ¹¹⁰Pd(2β^-); measured resonance frequencies;deduced precise Q-value. Comparison with AME2003 atomic mass evaluation, phase-space factor calculations.

doi: 10.1103/PhysRevLett.108.062502
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2012NA15      Phys.Rev. C 86, 014325 (2012)

S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, D.Neidherr, M.Rosenbusch, L.Schweikhard, R.N.Wolf, K.Zuber

Surveying the N=40 island of inversion with new manganese masses

ATOMIC MASSES ⁴⁸Ti, ^{55,57,58,58m,59,60,60m,61,62,62m,63,64,65,66}Mn, ^61,62,63Fe; measured frequency ratio using RILIS facility and ISOLTRAP mass spectrometer at CERN facility, with reference to frequencies for ³⁹K, TiO, ⁵⁵Mn and ⁸⁵Rb; deduced and evaluated mass excesses and compared with AME-2003. Z=24-36, N=30-52; systematics of S(2n) values. Z=25-26, N=29-40; systematics of neutron pairing gaps. Z=25, N=28-41; systematics of S(n) values. Proposed collectivity around N=40, and island of inversion near ⁶³Mn.

doi: 10.1103/PhysRevC.86.014325
Citations: PlumX Metrics

2010BR02      Phys.Rev. C 81, 034313 (2010)

M.Breitenfeldt, Ch.Borgmann, G.Audi, S.Baruah, D.Beck, K.Blaum, Ch.Bohm, R.B.Cakirli, R.F.Casten, P.Delahaye, M.Dworschak, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Approaching the N=82 shell closure with mass measurements of Ag and Cd isotopes

ATOMIC MASSES ^{112,114,115,116,117,118,119,120,121,122,123,124}Ag, ^{114,120,122,123,124,126,128}Cd; measured cyclotron frequencies relative to ¹³³Cs, and mass excesses using ISOLTRAP Penning trap spectrometer; deduced excitation energies of the isomers; evaluated mass excesses; two-neutron separate energies, and proton-neutron interaction strength δV_pn. Comparison with previous data and AME-2003.

doi: 10.1103/PhysRevC.81.034313
Citations: PlumX Metrics

2010EL11      Phys.Lett. B 693, 426 (2010)

S.Eliseev, Ch.Bohm, D.Beck, K.Blaum, M.Breitenfeldt, V.N.Fedosseev, S.George, F.Herfurth, A.Herlert, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, Yu.N.Novikov, M.Rosenbusch, L.Schweikhard, S.Schwarz, M.Seliverstov, K.Zuber

Direct mass measurements of ¹⁹⁴Hg and ¹⁹⁴Au: A new route to the neutrino mass determination?

ATOMIC MASSES ¹⁹⁴Au, ¹⁹⁴Hg; measured cyclotron frequency ratio; deduced mass excesses, Q-value of the orbital electron capture. Implications for β-decay anti-neutrino mass measurements.

doi: 10.1016/j.physletb.2010.08.071
Citations: PlumX Metrics

2010NA13      Phys.Rev.Lett. 105, 032502 (2010)

S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, D.Neidherr, M.Rosenbusch, S.Schwarz, L.Schweikhard, K.Zuber

Critical-Point Boundary for the Nuclear Quantum Phase Transition Near A=100 from Mass Measurements of ^{96, 97}Kr

ATOMIC MASSES ^{80,86,87,94,96,97}Kr; measured cyclotron frequencies and ratios; deduced mass excess, deformation. Penning-trap mass spectrometer at ISOLDE, CERN.

doi: 10.1103/PhysRevLett.105.032502
Citations: PlumX Metrics

2009KO35      Eur.Phys.J. A 42, 351 (2009)

M.Kowalska, S.Naimi, J.Agramunt, A.Algora, G.Audi, D.Beck, B.Blank, K.Blaum, Ch.Bohm, M.Breitenfeldt, E.Estevez, L.M.Fraile, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, D.Lunney, E.Minaya-Ramirez, D.Neidherr, B.Olaizola, K.Riisager, M.Rosenbusch, B.Rubio, S.Schwarz, L.Schweikhard, U.Warring

Preparing a journey to the east of ²⁰⁸Pb with ISOLTRAP: Isobaric purification at A = 209 and new masses for ^211-213Fr and ²¹¹Ra

ATOMIC MASSES ^211,212,213Fr, ²¹¹Ra; measured masses using Penning trap at ISOLDE.

doi: 10.1140/epja/i2009-10835-1
Citations: PlumX Metrics

2009NE03      Phys.Rev.Lett. 102, 112501 (2009)

D.Neidherr, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.B.Cakirli, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, E.Noah, L.Penescu, M.Rosenbusch, S.Schwarz, L.Schweikhard, T.Stora

Discovery of ²²⁹Rn and the Structure of the Heaviest Rn and Ra Isotopes from Penning-Trap Mass Measurements

ATOMIC MASSES ^{220,223,224,225,226,227,228,229}Rn; measured masses using ISOLTRAP mass spectrometer.

doi: 10.1103/PhysRevLett.102.112501
Citations: PlumX Metrics

2009NE11      Phys.Rev. C 80, 044323 (2009)

D.Neidherr, R.B.Cakirli, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard

High-precision Penning-trap mass measurements of heavy xenon isotopes for nuclear structure studies

ATOMIC MASSES ^{136,137,138,139,140,141,142,143,144,145,146}Xe; measured masses using the ISOLTRAP double Penning-trap mass spectrometer at ISOLDE-CERN facility. Comparison with earlier measurements and AME-2003 evaluation. Z=50-78, N=78-112; systematics of S(2n) values. N=74-92, Z=52-58, even Z; N=119-141, odd N, Z=84-90, odd Z; Z=50-82, N=82-126; systematics of proton-neutron interaction strengths.

doi: 10.1103/PhysRevC.80.044323
Citations: PlumX Metrics

1999AM18      New Journal of Physics 1, 23 (1999)

G.Ambrosini, R.Arsenescu, C.Baglin, J.Beringer, C.Bohm, K.Borer, A.Bussiere, F.Dittus, K.Elsener, Ph.Gorodetzky, J.P.Guillaud, P.Hess, S.Kabana, R.Klingenberg, T.Linden, K.D.Lohmann, R.Mommsen, U.Moser, K.Pretzl, J.Schacher, B.Sellden, F.Stoffel, J.Tuominiemi, M.Weber, Q.P.Zhang, and the NA52 Collaboration

Charged Pion Production in Fixed-Target Pb + Pb Collisions at 158 GeV/nucleon

NUCLEAR REACTIONS Pb(Pb, X), E=158 GeV/nucleon; measured charged pions invariant yields, rapidity; deduced centrality dependence, related features.

1996AP01      Phys.Lett. 376B, 245 (1996)

G.Appelquist, C.Baglin, J.Beringer, C.Bohm, K.Borer, A.Bussiere, F.Dittus, K.Elsener, D.Frei, Ph.Gorodetzky, J.P.Guillaud, E.Hugentobler, R.Klingenberg, T.Linden, K.D.Lohmann, U.Moser, T.Pal, K.Pretzl, J.Schacher, B.Sellden, F.Stoffel, J.Tuominiemi, Q.P.Zhang, and the Newmass (NA52) Collaboration

Antinuclei Production in Pb + Pb Collisions at 158 AGeV/c

NUCLEAR REACTIONS Pb(Pb, X), E at 158 GeV/c/nucleon; measured anti-particle production; deduced d-bar to p-bar production ratio at mid-rapidity.

doi: 10.1016/0370-2693(96)00415-7
Citations: PlumX Metrics

1996AP02      Phys.Rev.Lett. 76, 3907 (1996)

G.Appelquist, C.Baglin, J.Beringer, C.Bohm, K.Borer, A.Bussiere, F.Dittus, K.Elsener, D.Frei, Ph.Gorodetzky, J.P.Guillaud, E.Hugentobler, R.Klingenberg, T.Linden, K.D.Lohmann, U.Moser, T.Pal, K.Pretzl, J.Schacher, B.Sellden, F.Stoffel, J.Tuominiemi, Q.P.Zhang

Strangelet Search in Pb-Pb Interactions at 158 GeV/c Per Nucleon

NUCLEAR REACTIONS Pb(Pb, X), E at 158 GeV/c/nucleon; measured strangelets production upper limits.

doi: 10.1103/PhysRevLett.76.3907
Citations: PlumX Metrics

1994BO14      Phys.Rev.Lett. 72, 1415 (1994)

K.Borer, F.Dittus, D.Frei, E.Hugentobler, R.Klingenberg, U.Moser, K.Pretzl, J.Schacher, F.Stoffel, W.Volken, K.Elsener, K.D.Lohmann, C.Baglin, A.Bussiere, J.P.Guillaud, G.Appelquist, C.Bohm, B.Hovander, B.Sellden, Q.P.Zhang

Strangelet Search in S-W Collisions at 200A GeV/c

doi: 10.1103/PhysRevLett.72.1415
Citations: PlumX Metrics