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NSR database version of April 26, 2024.

Search: Author = E.Minaya-Ramirez

Found 13 matches.

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2012DR01      Nucl.Phys. A875, 1 (2012)

C.Droese, K.Blaum, M.Block, S.Eliseev, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, I.I.Tupitsyn, S.Wycech, K.Zuber, N.A.Zubova

Probing the nuclide ¹⁸⁰W for neutrinoless double-electron capture exploration

RADIOACTIVITY ¹⁸⁰W(2EC); measured cyclotron frequency using Penning trap mass ratios using SHIPTRAP; deduced Q value, T_1/2.

ATOMIC MASSES ¹⁸⁰Hf, ¹⁸⁰W; measured cyclotron frequency ratios using SHIPTRAP Penning trap; deduced Q.

doi: 10.1016/j.nuclphysa.2011.11.008
Citations: PlumX Metrics

2012MI27      Science 337, 1207 (2012)

E.Minaya-Ramirez, D.Ackermann, K.Blaum, M.Block, C.Droese, C.E.Dullmann, M.Dworschak, M.Eibach, S.Eliseev, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, G.Marx, M.Mazzocco, D.Nesterenko, Y.N.Novikov, W.R.Plass, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, C.Weber

Direct Mapping of Nuclear Shell Effects in the Heaviest Elements

ATOMIC MASSES ^{252,253,254,255}No, ^255,256Lr; measured time-of-flight ion-cyclotron-resonance; deduced frequency ratios, mass excess. Comparison with theoretical calculations, SHIPTRAP results.

doi: 10.1126/science.1225636
Citations: PlumX Metrics

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
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2011EL02      Phys.Rev.Lett. 106, 052504 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, H.-J.Kluge, M.I.Krivoruchenko, Yu.N.Novikov, E.Minaya-Ramirez, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Resonant Enhancement of Neutrinoless Double-Electron Capture in ¹⁵²Gd

ATOMIC MASSES ¹⁵²Gd, ¹⁵²Sm; measured cyclotron frequency ratio, TOF; deduced Q-value for double beta decay. Penning-trap mass ratio.

doi: 10.1103/PhysRevLett.106.052504
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2011EL04      Phys.Rev. C 83, 038501 (2011)

S.Eliseev, D.Nesterenko, K.Blaum, M.Block, C.Droese, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, K.Zuber

Q values for neutrinoless double-electron capture in ⁹⁶Ru, ¹⁶²Er, and ¹⁶⁸Yb

RADIOACTIVITY ⁹⁶Ru, ¹⁶²Er, ¹⁶⁸Yb(2EC); measured Q values from Penning-trap mass ratios using SHIPTRAP. Absence of resonant enhancement of the capture rates, thus excluded as suitable candidates for search of neutrinoless double-electron capture.

ATOMIC MASSES ⁹⁶Ru, ⁹⁶Mo, ¹⁶²Er, ¹⁶²Dy, ¹⁶⁸Yb, ¹⁶⁸Er; measured cyclotron frequency ratios using SHIPTRAP Penning-trap; deduced Q(2EC) values.

doi: 10.1103/PhysRevC.83.038501
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2011EL05      Phys.Rev. C 84, 012501 (2011)

S.Eliseev, M.Goncharov, K.Blaum, M.Block, C.Droese, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Multiple-resonance phenomenon in neutrinoless double-electron capture

ATOMIC MASSES ¹⁵⁶Dy, ¹⁵⁶Gd; measured cyclotron frequency ratio, TOF; deduced Q-value for double electron capture. SHIPTRAP Penning-trap mass spectrometer. Comparison with AME-2003.

RADIOACTIVITY ¹⁵⁶Dy(2EC); calculated electron wave functions, double-electron-hole binding energy; deduced resonant enhancement factor for the probability of neutrinoless double-electron capture. Estimated partial half-life. Dirac-Fock method, Fermi model.

doi: 10.1103/PhysRevC.84.012501
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2011EL08      Phys.Rev.Lett. 107, 152501 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, M.Kretzschmar, M.I.Krivoruchenko, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Octupolar-Excitation Penning-Trap Mass Spectrometry for Q-Value Measurement of Double-Electron Capture in 164Er

ATOMIC MASSES ¹⁶⁴Er, ¹⁶⁴Dy; measured relative frequency deviations; deduced doublet mass ratio, Q-value. Penning trap.

doi: 10.1103/PhysRevLett.107.152501
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2011GO23      Phys.Rev. C 84, 028501 (2011)

M.Goncharov, K.Blaum, M.Block, C.Droese, S.Eliseev, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, K.Zuber

Probing the nuclides ¹⁰²Pd, ¹⁰⁶Cd, and ¹⁴⁴Sm for resonant neutrinoless double-electron capture

ATOMIC MASSES ¹⁰²Pd, ¹⁰²Ru, ¹⁰⁶Cd, ¹⁰⁶Pd, ¹⁴⁴Sm, ¹⁴⁴Nd; measured cyclotron-frequency-ratios of singly-charged ion pairs using the Penning-trap mass spectrometer SHIPTRAP at GSI. Deduced Q values for double ϵ capture decay. Comparison with AME-2003.

RADIOACTIVITY ¹⁰²Pd, ¹⁰⁶Cd, ¹⁴⁴Sm(2EC); measured Q values from mass measurement of parent-daughter pairs by Penning-trap method. Deduced parameters for neutrinoless double-electron capture measurements.

doi: 10.1103/PhysRevC.84.028501
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2011KE03      Phys.Rev. C 84, 014311 (2011)

J.Ketelaer, G.Audi, T.Beyer, K.Blaum, M.Block, R.B.Cakirli, R.F.Casten, C.Droese, M.Dworschak, K.Eberhardt, M.Eibach, F.Herfurth, E.Minaya-Ramirez, Sz.Nagy, D.Neidherr, W.Nortershauser, C.Smorra, M.Wang

Mass measurements on stable nuclides in the rare-earth region with the Penning-trap mass spectrometer TRIGA-TRAP

ATOMIC MASSES ¹⁵³Eu, ^{152,154,155,156,157,158,160}Gd, ^175,176Lu, ^{176,177,178,179,180}Hf; measured masses using TOF-ICR technique and TRIGA-TRAP Penning-trap mass spectrometer; deduced δV_pn values; evaluated mass excesses.

doi: 10.1103/PhysRevC.84.014311
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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
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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
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