NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.Elvers Found 23 matches. 2016WE01 Phys.Rev. C 93, 034323 (2016) V.Werner, N.Cooper, J.-M.Regis, M.Rudigier, E.Williams, J.Jolie, R.B.Cakirli, R.F.Casten, T.Ahn, V.Anagnostatou, Z.Berant, M.Bonett-Matiz, M.Elvers, A.Heinz, G.Ilie, D.Radeck, D.Savran, M.K.Smith Evolution of collectivity near mid-shell from excited-state lifetime measurements in rare earth nuclei RADIOACTIVITY 168Ta(EC)[from 159Tb(16O, 7n), E=130 MeV]; 174Re(EC)[from 169Tm(12C, 7n), E=115 MeV]; 152Eu(EC); measured Eγ, γγ-coin, γγ(t) using fast timing system at WNSL-Yale University. 168Hf, 174W; deduced levels, half-lives and B(E2) of first 2+ states. Comparison with previous experimental results. Systematics and analysis in terms of differentials of B(E2) values of the first 2+ states for 162,164,166,168,170,172,174,176,178Hf, 164,166,168,170,172,174,176,178,180W.
doi: 10.1103/PhysRevC.93.034323
2015HE32 Phys.Rev. C 92, 064317 (2015) A.Hennig, T.Ahn, V.Anagnostatou, A.Blazhev, N.Cooper, V.Derya, M.Elvers, J.Endres, P.Goddard, A.Heinz, R.O.Hughes, G.Ilie, M.N.Mineva, P.Petkov, S.G.Pickstone, N.Pietralla, D.Radeck, T.J.Ross, D.Savran, M.Spieker, V.Werner, A.Zilges Collective excitations of 96Ru by means of (p, p'γ) experiments NUCLEAR REACTIONS 96Ru(p, p'), E=8.4, 7 MeV; measured Ep, Ip, proton angular distributions, Eγ, Iγ, pγ- and γγ-coin, γγ(θ) using YRAST ball spectrometer at WNSL-Yale accelerator facility, level half-lives by DSAM using HORUS γ-ray spectrometer at IKP-Cologne accelerator facility. 96Ru; deduced levels, J, π, multipolarity, mixing ratios, configuration, B(E2), B(M1), B(E1), one-phonon mixed-symmetry excitations of octupole and hexadecapole character, two-phonon mixed-symmetry quintuplet. Comparison with sdg-IBM-2 and shell-model calculations. NUCLEAR STRUCTURE 96Ru; calculated levels, J, π, B(M1), B(E2) using sdg-IBM-2 and shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.064317
2015PA14 Phys.Rev. C 91, 034321 (2015) S.Pascu, D.Bucurescu, Gh.Cata-Danil, V.Derya, M.Elvers, D.Filipescu, D.G.Ghita, T.Glodariu, A.Hennig, C.Mihai, N.Marginean, R.Marginean, A.Negret, L.Netterdon, S.G.Pickstone, T.Sava, M.Spieker, L.Stroe, N.V.Zamfir, A.Zilges Detailed spectroscopy of quadrupole and octupole states in 168Yb NUCLEAR REACTIONS 166Er(α, 2n), E=25.5 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using HORUS array at tandem accelerator facility in Cologne. 168Yb; deduced levels, J, K, π, bands, β, γ and octupole vibrational bands, B(E1), B(E2), branching ratios compared with Alaga rules. Systematics of branching ratios for 2- states of Kπ=2- octupole-vibrational band in A=154-186 Gd, Dy, Er, Yb, Hf W nuclei. Comparison of level structure of 168Yb with IBM-spdf calculations. NUCLEAR STRUCTURE 168Yb; calculated levels, J, K, π, bands, B(E1) using IBM-spdf. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034321
2014HE28 Phys.Rev. C 90, 051302 (2014) A.Hennig, M.Spieker, V.Werner, T.Ahn, V.Anagnostatou, N.Cooper, V.Derya, M.Elvers, J.Endres, P.Goddard, A.Heinz, R.O.Hughes, G.Ilie, M.N.Mineva, P.Petkov, S.G.Pickstone, N.Pietralla, D.Radeck, T.J.Ross, D.Savran, A.Zilges Mixed-symmetry octupole and hexadecapole excitations in the N=52 isotones NUCLEAR REACTIONS 96Ru(p, p'), E=7.0, 8.4 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin, γγ(θ), level half-life by centroid-shift method using YRAST Ball spectrometer and Si detectors at Yale ESTU Tandem accelerator facility, and HORUS γ-detector array and particle-detector array SONIC at Cologne FN Tandem accelerator facility. 96Ru; deduced levels, J, π, branching ratios, multipole mixing ratios, B(M1), B(E2), mixed-symmetry states (MSS) of octupole and hexadecapole character. Evidence for one-phonon mixed-symmetry character of the second 3(-) and 4+ states. Comparison with sdg-IBM-2 model calculations.
doi: 10.1103/PhysRevC.90.051302
2013BE38 Phys.Rev.Lett. 111, 172501 (2013) J.Beller, N.Pietralla, J.Barea, M.Elvers, J.Endres, C.Fransen, J.Kotila, O.Moller, A.Richter, T.R.Rodriguez, C.Romig, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, V.Werner, A.Zilges, M.Zweidinger Constraint on 0νββ Matrix Elements from a Novel Decay Channel of the Scissors Mode: The Case of 154Gd NUCLEAR REACTIONS 154Gd(γ, γ'), E<4.5 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, B(M1), B(E1). Comparison with IBM-2 and EDF calculations. RADIOACTIVITY 154Sm(2β-); calculated neutrinoless nuclear matrix elements.
doi: 10.1103/PhysRevLett.111.172501
2013DE39 Nucl.Phys. A906, 94 (2013) V.Derya, J.Endres, M.Elvers, M.N.Harakeh, N.Pietralla, C.Romig, D.Savran, M.Scheck, F.Siebenhuhner, V.Stoica, H.Woertche, A.Zilges Study of the pygmy dipole resonance in 94Mo using the (α, α'γ) coincidence technique NUCLEAR REACTIONS 94Mo(α, α'), E=136 MeV; measured products, 94Mo; deduced σ(θ). Data were imported from EXFOR entry O2138.
doi: 10.1016/j.nuclphysa.2013.02.018
2013GU23 Phys.Rev. C 88, 014301 (2013) G.Gurdal, E.A.Stefanova, P.Boutachkov, D.A.Torres, G.J.Kumbartzki, N.Benczer-Koller, Y.Y.Sharon, L.Zamick, S.J.Q.Robinson, T.Ahn, V.Anagnostatou, C.Bernards, M.Elvers, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, E.Williams Measurements of g(41+, 22+)in 70, 72, 74, 76Ge: Systematics of low-lying structures in 30 ≤ Z ≤ 40 and 30 ≤ N ≤ 50 nuclei NUCLEAR REACTIONS C, Mg(70Ge, 70Ge'), (72Ge, 72Ge'), (74Ge, 74Ge'), (76Ge, 76Ge'), E=165-225 MeV; measured Eγ, precession angles, angular correlations; deduced g factors. Natural C or Mg targets with mid layer of Gd or Fe and backing of Ta and Cu. NUCLEAR MOMENTS 70,72,74,76Ge; measured g factors of first and second 2+ and first 4+ states using transient field (TF) technique following Coulomb excitation in inverse kinematics at WNSL-Yale facility. Systematics of g factors for neighboring nuclides of even-even N=32-50, Z=30-38. Comparison with large-scale shell-model, collective models, and IBA-II, and with previous experimental studies. No evidence for shell closure for neutrons at N=38 or N=40.
doi: 10.1103/PhysRevC.88.014301
2013MC01 Phys.Rev. C 87, 014307 (2013) E.A.McCutchan, C.J.Lister, T.Ahn, V.Anagnostatou, N.Cooper, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner Shape coexistence and high-K states in 74Se populated following the β decay of 74Br RADIOACTIVITY 74Br(EC), (β+)[from 60Ni(16O, pn), E=52 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ) using YRAST Ball Clover detectors at WNSL, Yale facility. 74Se; deduced levels, J, π, branching ratios, β strength function, multipolarity, mixing ratio, configuration, B(E2), shape coexistence. Possible K=2 excitation in the second minimum.
doi: 10.1103/PhysRevC.87.014307
2012KU07 Eur.Phys.J. A 48, 1 (2012) C.Kuppersbusch, S.Pascu, P.von Brentano, D.Bucurescu, Gh.Cata-Danil, D.Deleanu, J.Endres, M.Elvers, D.Filipescu, C.Friessner, D.G.Ghita, T.Glodariu, C.Mihai, N.M.Marginean, R.Marginean, A.Negret, T.Sava, L.Stroe, V.Werner, N.V.Zamfir, K.-O.Zell, A.Zilges Low-spin excitations in 146Sm NUCLEAR REACTIONS 143Nd(α, n), E=19 MeV;144Nd(α, 2n), E=23 MeV; measured Eγ, Iγ(θ), γγ-coin using HPGe; calculated levels, J, π, B(E1), B(E2) using IBA-spdf OCTUPOLE code, structure of quadrupole-multipole multiplet using harmonic vibrational model; deduced levels, J, π, γ transitions, B(E1), B(E2), quadrupole moment. Compared with neighbouring nuclei.
doi: 10.1140/epja/i2012-12001-2
2012KU14 Phys.Rev. C 85, 044322 (2012) G.J.Kumbartzki, K.-H.Speidel, N.Benczer-Koller, D.A.Torres, Y.Y.Sharon, L.Zamick, S.J.Q.Robinson, P.Maier-Komor, T.Ahn, V.Anagnostatou, Ch.Bernards, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, E.Williams Structure of the Sr-Zr isotopes near and at the magic N=50 shell from g-factor and lifetime measurements in 8840Zr and 84, 86, 3888Sr NUCLEAR REACTIONS 12C(84Sr, X)84Sr/86Sr/88Sr/88Zr, E=243-285 MeV; measured Eγ, Iγ, (12C)γ-, αγ-, γγ-coin, level half-lives by DSA, g factors. 84,86,88Sr, 88Zr; deduced levels, J, π, B(E2). Systematics of B(E2) values for first 2+ states in even-even N=40-62 Sr and Zr nuclei. NUCLEAR MOMENTS 88Zr, 84,86,88Sr; measured g factors of 2+ and first 4+ states using transient field technique in inverse kinematics. Comparison with previous studies and with shell model calculations. Systematics of g factors of first 2+ states in even-even N=42-62 Sr and Zr nuclei.
doi: 10.1103/PhysRevC.85.044322
2012MC05 Phys.Rev. C 86, 057306 (2012) E.A.McCutchan, C.J.Lister, M.Elvers, D.Savran, J.P.Greene, T.Ahmed, T.Ahn, N.Cooper, A.Heinz, R.O.Hughes, G.Ilie, B.Pauerstein, D.Radeck, N.Shenkov, V.Werner Precise γ-ray intensity measurements in 10B NUCLEAR REACTIONS 10B(p, p'), E=10 MeV; measured Eγ, Iγ, proton spectra, pγ-coin, at Yale tandem facility. 10B; deduced levels, γ-ray branching ratios, E2 branch from 5164-keV level, B(E2). Comparison with previous studies.
doi: 10.1103/PhysRevC.86.057306
2012PI03 Acta Phys.Pol. B43, 319 (2012) S.G.Pickstone, V.Derya, M.Elvers, J.Endres, C.Fransen, A.Hennig, J.Mayer, L.Netterdon, G.Pascovici, S.Pascu, A.Sauerwein, F.Schluter, P.Scholz, M.Spieker, N.Warr, A.Zilges Digital Data Acquisition for γ and Particle Spectroscopy
doi: 10.5506/APhysPolB.43.319
2012TO01 Phys.Rev. C 85, 017305 (2012) D.A.Torres, G.J.Kumbartzki, Y.Y.Sharon, L.Zamick, B.Manning, N.Benczer-Koller, K.-H.Speidel, T.Ahn, V.Anagnostatou, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, G.Gurdal, M.J.Taylor, P.Maier-Komor, M.Hjorth-Jensen, S.J.Q.Robinson Measurement of the 96Ru g(41+) factor and its nuclear structure interpretation NUCLEAR REACTIONS 12C(96Ru, 96Ru'), E=343, 353 MeV; measured 12C spectra, Eγ, Iγ, (12C)g-coin, (12C)γ(θ), precession angle in transient magnetic field, half-life by DSAM. 96Ru; deduced level, half-life of first 2+, g factors of first 2+ and 4+ states, B(E2). Coulomb excitation in inverse kinematics. Comparison with large-scale shell-model calculations. NUCLEAR MOMENTS 96Ru; measured g factors of first 2+ and 4+ states by transient magnetic field technique in inverse kinematics.
doi: 10.1103/PhysRevC.85.017305
2011EL09 Phys.Rev. C 84, 054323 (2011) M.Elvers, S.Pascu, T.Ahmed, T.Ahn, V.Anagnostatou, N.Cooper, C.Deng, J.Endres, P.Goddard, A.Heinz, G.Ilie, E.Jiang, C.Kuppersbusch, D.Radeck, D.Savran, N.Shenkov, V.Werner, A.Zilges Investigation of octupole vibrational states in 150Nd via inelastic proton scattering (p, p'γ) NUCLEAR REACTIONS 150Nd(p, p'), E=10.9 MeV; measured Eγ, Iγ, γγ-, pγ-coin using YRAST Ball at Yale. 150Nd; deduced levels, J, π, branching ratios, B(E1) ratios, B(E2) octupole and positive-parity bands. Comparison with interacting boson approximation in sdpf boson space.
doi: 10.1103/PhysRevC.84.054323
2011SA03 Prog.Part.Nucl.Phys. 66, 363 (2011) A.Sauerwein, M.Elvers, J.Endres, J.Hasper, A.Hennig, L.Netterdon, A.Zilges Nuclear physics experiments for the astrophysical p process NUCLEAR REACTIONS 141Pr(α, n), E=15 MeV; 92Mo(p, γ), E=2.5-3.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced σ. Comparison with NON-SMOKER code calculations and other measurements.
doi: 10.1016/j.ppnp.2011.01.035
2011SA38 Phys.Rev. C 84, 024326 (2011) D.Savran, M.Elvers, J.Endres, M.Fritzsche, B.Loher, N.Pietralla, V.Yu.Ponomarev, C.Romig, L.Schnorrenberger, K.Sonnabend, A.Zilges Fragmentation and systematics of the pygmy dipole resonance in the stable N=82 isotones NUCLEAR REACTIONS 136Xe(γ, γ'), E=8.0, 9.2 MeV; measured Eγ, Iγ, γ(θ) at DHIPS facility. 136Xe; deduced levels, J, π, partial decay widths, B(E1). Comparison with Quasiparticle phonon model calculations. Systematics of measured and calculated B(E1) strengths for pygmy dipole resonances (PDR) in N=82 isotones 136Xe, 138Ba, 140Ce, 142Nd, and 144Sm. Discussed fragmentation of E1 strength.
doi: 10.1103/PhysRevC.84.024326
2011SA48 Phys.Rev. C 84, 045808 (2011) A.Sauerwein, H.-W.Becker, H.Dombrowski, M.Elvers, J.Endres, U.Giesen, J.Hasper, A.Hennig, L.Netterdon, T.Rauscher, D.Rogalla, K.O.Zell, A.Zilges Determination of 141Prα, n)144Pm cross sections at energies of relevance for the astrophysical p process using the γγ coincidence method NUCLEAR REACTIONS 141Pr(α, n)144Pm, E=11-15 MeV; measured Eγ, Iγ, γγ-coin, σ(E) by activation method; deduced astrophysical S factors, α+nucleus optical-model potential. Comparison with Hauser-Feshbach statistical model calculations. 145Pm, 148Gd(γ, α); calculated astrophysical reaction rates. Limitations of the global predictions of α+nucleus optical potentials at astrophysically relevant energies.
doi: 10.1103/PhysRevC.84.045808
2011TO09 Phys.Rev. C 84, 044327 (2011) D.A.Torres, G.J.Kumbartzki, Y.Y.Sharon, L.Zamick, B.Manning, N.Benczer-Koller, G.Gurdal, K.-H.Speidel, M.Hjorth-Jensen, P.Maier-Komor, S.J.Q.Robinson, T.Ahn, V.Anagnostatou, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner First g-factor measurements of the 21+ and the 41+ states of radioactive 100Pd NUCLEAR REACTIONS 12C(96Ru, 8Be), E=350 MeV; measured particle spectra, Eγ, Iγ, αγ-, γγ-coin, γγ(θ), precession angle. 100Pd; deduced levels, J, π, g factors, B(E2) values. NUCLEAR MOMENTS 100Pd; measured g-factors of first 2+, 4+ states by transient magnetic field technique in inverse kinematics. Comparison with large-scale shell-model calculations and collective-model predictions.
doi: 10.1103/PhysRevC.84.044327
2011WE08 J.Phys.:Conf.Ser. 312, 092062 (2011) V.Werner, N.Cooper, M.Bonett-Matiz, E.Williams, J.-M.Regis, M.Rudigier, T.Ahn, V.Anagnostatou, Z.Berant, M.Bunce, M.Elvers, A.Heinz, G.Ilie, J.Jolie, D.Radeck, D.Savran, M.Smith Excited State Lifetime Measurements in Rare Earth Nuclei with Fast Electronics RADIOACTIVITY 174Re(EC) [from 169Tm(12C, 7n)174Re, E=115 MeV]; measured decay products, Eγ, Iγ; deduced lifetimes, B(E2). Comparison with IBA model and systematics. RADIOACTIVITY 168Ta(EC) [from 159Tb(16O, 7n)168Ta, E=130 MeV]; measured decay products, Eγ, Iγ; deduced lifetimes, B(E2). Comparison with IBA model and systematics.
doi: 10.1088/1742-6596/312/9/092062
2010HA37 J.Phys.:Conf.Ser. 202, 012005 (2010) J.Hasper, M.Bussing, M.Elvers, J.Endres, A.Zilges In-beam experiments on (p, γ) and (a, γ) reactions for the astrophysical p process NUCLEAR REACTIONS 92Mo(p, γ), E=2400-3500 keV; measured in-beam Eγ, Iγ; deduced σ; calculated σ using TALYS and NON-SMOKER ciodes with several optical model potentials. 92Mo(α, γ), E=9300 keV; measured in-beam Eγ, Iγ, γγ-coin.
doi: 10.1088/1742-6596/202/1/012005
2008BU21 Phys.Rev. C 78, 044309 (2008) M.A.Bussing, M.Elvers, J.Endres, J.Hasper, A.Zilges, M.Fritzsche, K.Lindenberg, S.Muller, D.Savran, K.Sonnabend Parity assignments in 140Ce up to 7 MeV using Compton polarimetry NUCLEAR REACTIONS 32S, 140Ce, 208Pb(γ, γ'), E=2-7 MeV; measured Eγ, γ-ray linear polarizations. 140Ce; deduced levels, J, π, asymmetries. Bremsstrahlung beam, Compton polarimetry.
doi: 10.1103/PhysRevC.78.044309
2008EL01 J.Phys.(London) G35, 014027 (2008) M.Elvers, J.Hasper, S.Muller, D.Savran, L.Schnorrenberger, K.Sonnabend, A.Zilges Nuclear astrophysics with real photons?the data acquisition system of the NEPTUN tagger setup
doi: 10.1088/0954-3899/35/1/014027
2006VO11 Nucl.Phys. A779, 1 (2006) S.Volz, N.Tsoneva, M.Babilon, M.Elvers, J.Hasper, R.-D.Herzberg, H.Lenske, K.Lindenberg, D.Savran, A.Zilges The photoresponse of stable N = 82 nuclei below 10 MeV NUCLEAR REACTIONS 138Ba(γ, γ'), E=9.2 MeV bremsstrahlung; 140Ce, 142Nd, 144Sm(γ, γ'), E=7.6, 9.9 MeV bremsstrahlung; measured Eγ, Iγ. 138Ba, 140Ce, 142Nd, 144Sm deduced dipole transition energies, B(E1). Comparison with quasiparticle-phonon model predictions.
doi: 10.1016/j.nuclphysa.2006.08.012
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