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NSR database version of May 24, 2024.

Search: Author = N.Roy

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2023AB32      Phys.Rev. D 108, 092009 (2023)

K.Abe, N.Akhlaq, R.Akutsu, A.Ali, S.Alonso Monsalve, C.Alt, C.Andreopoulos, M.Antonova, S.Aoki, T.Arihara, Y.Asada, Y.Ashida, E.T.Atkin, M.Barbi, G.J.Barker, G.Barr, D.Barrow, M.Batkiewicz-Kwasniak, V.Berardi, L.Berns, S.Bhadra, A.Blanchet, A.Blondel, S.Bolognesi, T.Bonus, S.Bordoni, S.B.Boyd, A.Bravar, C.Bronner, S.Bron, A.Bubak, M.Buizza Avanzini, J.A.Caballero, N.F.Calabria, S.Cao, D.Carabadjac, A.J.Carter, S.L.Cartwright, M.P.Casado, M.G.Catanesi, A.Cervera, J.Chakrani, D.Cherdack, P.S.Chong, G.Christodoulou, A.Chvirova, M.Cicerchia, J.Coleman, G.Collazuol, L.Cook, A.Cudd, C.Dalmazzone, T.Daret, Yu.I.Davydov, A.De Roeck, G.De Rosa, T.Dealtry, C.C.Delogu, C.Densham, A.Dergacheva, F.Di Lodovico, S.Dolan, D.Douqa, T.A.Doyle, O.Drapier, J.Dumarchez, P.Dunne, K.Dygnarowicz, A.Eguchi, S.Emery-Schrenk, G.Erofeev, A.Ershova, G.Eurin, D.Fedorova, S.Fedotov, M.Feltre, A.J.Finch, G.A.Fiorentini Aguirre, G.Fiorillo, M.D.Fitton, J.M.Franco Patino, M.Friend, Y.Fujii, Y.Fukuda, Y.Furui, L.Giannessi, C.Giganti, V.Glagolev, M.Gonin, J.Gonzalez Rosa, E.A.G.Goodman, A.Gorin, M.Grassi, M.Guigue, D.R.Hadley, J.T.Haigh, P.Hamacher-Baumann, D.A.Harris, M.Hartz, T.Hasegawa, S.Hassani, N.C.Hastings, Y.Hayato, D.Henaff, M.Hogan, J.Holeczek, A.Holin, T.Holvey, N.T.Hong Van, T.Honjo, A.K.Ichikawa, M.Ikeda, T.Ishida, M.Ishitsuka, H.T.Israel, A.Izmaylov, M.Jakkapu, B.Jamieson, S.J.Jenkins, C.Jesus-Valls, J.J.Jiang, J.Y.Ji, P.Jonsson, S.Joshi, C.K.Jung, P.B.Jurj, M.Kabirnezhad, A.C.Kaboth, T.Kajita, H.Kakuno, J.Kameda, S.P.Kasetti, Y.Kataoka, T.Katori, M.Kawaue, E.Kearns, M.Khabibullin, A.Khotjantsev, T.Kikawa, S.King, V.Kiseeva, J.Kisiel, H.Kobayashi, T.Kobayashi, L.Koch, S.Kodama, A.Konaka, L.L.Kormos, Y.Koshio, T.Koto, K.Kowalik, Y.Kudenko, Y.Kudo, S.Kuribayashi, R.Kurjata, T.Kutter, M.Kuze, M.La Commara, L.Labarga, K.Lachner, J.Lagoda, S.M.Lakshmi, M.Lamers James, M.Lamoureux, A.Langella, J.-F.Laporte, D.Last, N.Latham, M.Laveder, L.Lavitola, M.Lawe, Y.Lee, C.Lin, S.-K.Lin, R.P.Litchfield, S.L.Liu, W.Li, A.Longhin, K.R.Long, A.Lopez Moreno, L.Ludovici, X.Lu, T.Lux, L.N.Machado, L.Magaletti, K.Mahn, M.Malek, M.Mandal, S.Manly, A.D.Marino, L.Marti-Magro, D.G.R.Martin, M.Martini, J.F.Martin, T.Maruyama, T.Matsubara, V.Matveev, C.Mauger, K.Mavrokoridis, E.Mazzucato, N.McCauley, J.McElwee, K.S.McFarland, C.McGrew, J.McKean, A.Mefodiev, G.D.Megias, P.Mehta, L.Mellet, C.Metelko, M.Mezzetto, E.Miller, A.Minamino, O.Mineev, S.Mine, M.Miura, L.Molina Bueno, S.Moriyama, S.Moriyama, P.Morrison, Th.A.Mueller, D.Munford, L.Munteanu, K.Nagai, Y.Nagai, T.Nakadaira, K.Nakagiri, M.Nakahata, Y.Nakajima, A.Nakamura, H.Nakamura, K.Nakamura, K.D.Nakamura, Y.Nakano, S.Nakayama, T.Nakaya, K.Nakayoshi, C.E.R.Naseby, T.V.Ngoc, V.Q.Nguyen, K.Niewczas, S.Nishimori, Y.Nishimura, K.Nishizaki, T.Nosek, F.Nova, P.Novella, J.C.Nugent, H.M.O'Keeffe, L.O'Sullivan, T.Odagawa, W.Okinaga, K.Okumura, T.Okusawa, N.Ospina, Y.Oyama, V.Palladino, V.Paolone, M.Pari, J.Parlone, J.Pasternak, M.Pavin, D.Payne, G.C.Penn, D.Pershey, L.Pickering, C.Pidcott, G.Pintaudi, C.Pistillo, B.Popov, K.Porwit, M.Posiadala-Zezula, Y.S.Prabhu, F.Pupilli, B.Quilain, T.Radermacher, E.Radicioni, B.Radics, M.A.Ramirez, P.N.Ratoff, M.Reh, C.Riccio, E.Rondio, S.Roth, N.Roy, A.Rubbia, A.C.Ruggeri, C.A.Ruggles, A.Rychter, K.Sakashita, F.Sanchez, C.M.Schloesser, K.Scholberg, M.Scott, Y.Seiya, T.Sekiguchi, H.Sekiya, D.Sgalaberna, A.Shaikhiev, F.Shaker, M.Shiozawa, W.Shorrock, A.Shvartsman, N.Skrobova, K.Skwarczynski, D.Smyczek, M.Smy, J.T.Sobczyk, H.Sobel, F.J.P.Soler, Y.Sonoda, A.J.Speers, R.Spina, I.A.Suslov, S.Suvorov, A.Suzuki, S.Y.Suzuki, Y.Suzuki, M.Tada, S.Tairafune, S.Takayasu, A.Takeda, Y.Takeuchi, K.Takifuji, H.K.Tanaka, M.Tani, A.Teklu, V.V.Tereshchenko, N.Thamm, L.F.Thompson, W.Toki, C.Touramanis, T.Towstego, K.M.Tsui, T.Tsukamoto, M.Tzanov, Y.Uchida, M.Vagins, D.Vargas, M.Varghese, G.Vasseur, C.Vilela, E.Villa, W.G.S.Vinning, U.Virginet, T.Vladisavljevic, T.Wachala, J.G.Walsh, Y.Wang, L.Wan, D.Wark, M.O.Wascko, A.Weber, R.Wendell, M.J.Wilking, C.Wilkinson, J.R.Wilson, K.Wood, C.Wret, J.Xia, Y.-h.Xu, K.Yamamoto, T.Yamamoto, C.Yanagisawa, G.Yang, T.Yano, K.Yasutome, N.Yershov, U.Yevarouskaya, M.Yokoyama, Y.Yoshimoto, N.Yoshimura, M.Yu, R.Zaki, A.Zalewska, J.Zalipska, K.Zaremba, G.Zarnecki, X.Zhao, T.Zhu, M.Ziembicki, E.D.Zimmerman, M.Zito, S.Zsoldos

Measurements of the νμ and ν-barμ-induced coherent charged pion production cross sections on 12C by the T2K experiment

NUCLEAR REACTIONS 12C(ν, μ-), (ν-bar, μ+), E ∼ 0.8 GeV; measured reaction products; deduced coherent charged pion production σ in the Tokai-to-Kamioka experiment.

doi: 10.1103/PhysRevD.108.092009
Citations: PlumX Metrics


1997SC21      Phys.Rev. C56, 1320 (1997)

M.Schramm, K.H.Maier, M.Rejmund, L.D.Wood, N.Roy, A.Kuhnert, A.Aprahamian, J.Becker, M.Brinkman, D.J.Decman, E.A.Henry, R.Hoff, D.Manatt, L.G.Mann, R.A.Meyer, W.Stoeffl, G.L.Struble, T.-F.Wang

Study of Excited States in 208Pb by Particle-γ Coincidences with the 207Pb(d, p)208Pb and 209Bi(t, α)208Pb Reactions

NUCLEAR REACTIONS 207Pb(d, p), E=10 MeV; 209Bi(t, α), E=11.5 MeV; measured Eγ, Iγ, pγ-, αγ-coin. 208Pb deduced levels, J, π, spectroscopic factors, configurations.

doi: 10.1103/PhysRevC.56.1320
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1993BE55      Nucl.Instrum.Methods Phys.Res. B79, 313 (1993)

J.A.Becker, E.A.Henry, A.Kuhnert, M.A.Stoyer, M.J.Brinkman, T.F.Wang, N.Roy, J.A.Cizewski, F.S.Stephens, M.A.Deleplanque, R.M.Diamond, J.R.B.Oliveira, J.E.Draper, F.Azaiez, A.O.Macchiavelli, W.Korten, E.Rubel, C.Duyar, W.H.Kelly, D.Vo

Oblate L = 1 Bands 194,196-201Pb and 193Hg

NUCLEAR STRUCTURE 194,196,197,198,199,200,201Pb, 193Hg; analyzed levels, B(λ), T1/2 data; deduced band structure related features.

NUCLEAR REACTIONS 176Yb(26Mg, 5n), E=135 MeV; analyzed Eγ, Iγ, DCO ratios, asymmetry, γγ-coin. 197Pb deduced levels, J, π, band structure.

doi: 10.1016/0168-583X(93)95353-7
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1993OL02      Phys.Rev. C47, R926 (1993)

J.R.B.Oliveira, S.Frauendorf, M.A.Deleplanque, R.M.Diamond, F.S.Stephens, C.W.Beausang, J.E.Draper, C.Duyar, E.Rubel, J.A.Becker, E.A.Henry, N.Roy

Rotation-Induced Transition from Superfluid to Normal Phase in Mesoscopic Systems: 168Yb and adjacent nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), E=210 MeV; measured γγ-coin. 168Yb deduced levels, J, π, γ-branching, band structure. Model comparison.

NUCLEAR STRUCTURE 166,167,168Yb; calculated levels.

doi: 10.1103/PhysRevC.47.R926
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1993RO03      Phys.Rev. C47, R930 (1993)

N.Roy, J.A.Becker, E.A.Henry, M.J.Brinkman, M.A.Stoyer, J.A.Cizewski, R.M.Diamond, M.A.Deleplanque, F.S.Stephens, C.W.Beausang, J.E.Draper

Collective Band in 193Hg with E(x) ≥ 5.7 MeV

NUCLEAR REACTIONS 176Yb(22Ne, 5n), E=110 MeV; measured γ-spectra. 193Hg deduced levels, J, π, B(λ) ratio, band structure.

doi: 10.1103/PhysRevC.47.R930
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1991BE03      Nucl.Phys. A522, 483 (1991)

J.A.Becker, A.Berger, J.Blomqvist, D.J.Decman, R.Estep, E.Henry, K.H.Maier, L.G.Mann, R.A.Meyer, N.A.F.M.Poppelier, N.Roy, W.Stoffl, G.L.Struble, L.D.Wood

Quadrupole Moments of Low-Energy Isomers in 210Po

NUCLEAR REACTIONS 209Bi(t, 2n), E=13.5-17 MeV; measured Iγ(θ, t); deduced quadrupole interaction frequencies. 210Po levels deduced quadrupole moments. Shell model, effective charges.

doi: 10.1016/0375-9474(91)90077-J
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1990BE01      Phys.Rev. C41, R9 (1990)

J.A.Becker, N.Roy, E.A.Henry, M.A.Deleplanque, C.W.Beausang, R.M.Diamond, J.E.Draper, F.S.Stephens, J.A.Cizewski, M.J.Brinkman

Observation of Superdeformation in 192Hg

NUCLEAR REACTIONS 176Yb(22Ne, 6n), E=122 MeV; measured γγ-coin. 192Hg deduced levels, J, π, superdeformed band structure. HERA detector array.

doi: 10.1103/PhysRevC.41.R9
Citations: PlumX Metrics


1990BE11      Z.Phys. A335, 325 (1990)

C.W.Beausang, E.A.Henry, J.A.Becker, N.Roy, S.W.Yates, M.A.Deleplanque, R.M.Diamond, F.S.Stephens, J.E.Draper, W.H.Kelly, J.Burde, R.J.McDonald, E.Rubel, M.J.Brinkman, J.A.Cizewski, Y.A.Akovali

Observation of Superdeformed Bands in 194Hg

NUCLEAR REACTIONS 150Nd(48Ca, 4n), (48Ca, 5n), E=195-210 MeV; measured γγγ-, γγ-coin. 194Hg deduced levels, J, π, superdeformed band structure.


1990BE37      Nucl.Phys. A520, 187c (1990)

J.A.Becker, N.Roy, E.A.Henry, S.W.Yates, A.Kuhnert, J.E.Draper, W.Korten, C.W.Beausang, M.A.Deleplanque, R.M.Diamond, F.S.Stephens, W.H.Kelly, F.Azaiez, J.A.Cizewski, M.J.Brinkman

Level Spin and Moments of Inertia in Superdeformed Nuclei Near A = 194

NUCLEAR STRUCTURE 190,191,192,193,194Hg, 194,196Pb, 193,194Tl; analyzed data; deduced levels, J, superdeformed band parameters. Least-squares fit to rotational formulas.

doi: 10.1016/0375-9474(90)91146-I
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1990DR08      Phys.Rev. C42, R1791 (1990)

J.E.Draper, F.S.Stephens, M.A.Deleplanque, W.Korten, R.M.Diamond, W.H.Kelly, F.Azaiez, A.O.Macchiavelli, C.W.Beausang, E.C.Rubel, J.A.Becker, N.Roy, E.A.Henry, M.J.Brinkman, A.Kuhnert, S.W.Yates

Spins in Superdeformed Bands in the Mass 190 Region

NUCLEAR STRUCTURE 192,194Hf, 233U; analyzed superdeformed band structure; deduced level J. Pseudospin formalism.

doi: 10.1103/PhysRevC.42.R1791
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1990HE09      Z.Phys. A335, 361 (1990)

E.A.Henry, M.J.Brinkman, C.W.Beausang, J.A.Becker, N.Roy, S.W.Yates, J.A.Cizewski, R.M.Diamond, M.A.Deleplanque, F.S.Stephens, J.E.Draper, W.H.Kelly, R.J.McDonald, J.Burde, A.Kuhnert, W.Korten, E.Rubel, Y.A.Akovali

Superdeformed Bands in 193Hg and 194Hg

NUCLEAR REACTIONS 176Yb(22Ne, 5n), (22Ne, 6n), E=116, 122 MeV; 150Nd(48Ca, 5n), (48Ca, 4n), E=195-210 MeV; measured γγ-coin. 193,194Hg deduced levels, J, π, superdeformed band structure.


1990MA14      Nucl.Phys. A509, 413 (1990)

A.Maj, H.Grawe, H.Kluge, A.Kuhnert, K.H.Maier, J.Recht, N.Roy, H.Hubel, M.Guttormsen

Levels, Lifetimes and g-Factors in 198Po and 200Po

NUCLEAR REACTIONS 182,184W(20Ne, 4n), E=101-111 MeV; 183W(22Ne, 5n), E=122 MeV; measured Eγ, Iγ, Iγ(θ), Iγ(θ, H, t), γγ(t), I(ce). 198,200Po deduced levels, J, π, T1/2, B(λ), configurations. Enriched targets, pulsed beam, Ge(Compton suppressed) detectors, multiplicity filter, Si(Li) detectors, superconducting electron solenoid.

doi: 10.1016/0375-9474(90)90430-T
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1990ST12      Phys.Rev.Lett. 64, 2623 (1990)

F.S.Stephens, M.A.Deleplanque, J.E.Draper, R.M.Diamond, C.W.Beausang, W.Korten, W.H.Kelly, F.Azaiez, J.A.Becker, E.A.Henry, N.Roy, M.J.Brinkman, J.A.Cizewski, S.W.Yates, A.Kuhnert

Spin Alignment in Superdeformed Hg Nuclei

RADIOACTIVITY 192,194Hg; analyzed spectra; deduced superdeformed band spin alignment.

doi: 10.1103/PhysRevLett.64.2623
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1989MA12      Z.Phys. A332, 263 (1989)

K.H.Maier, A.Aprahamian, J.A.Becker, D.J.Decman, E.A.Henry, R.G.Lanier, L.G.Mann, R.A.Meyer, K.Sale, N.Roy, W.Stoffl, G.L.Struble, J.Blomqvist

Decay of the (21/2)- Isomer in 211Bi and Structure of the νg9/22πh9/2 Levels

NUCLEAR REACTIONS 209Bi(t, p), E=11.5-17 MeV; measured E(γ), I(γ), γγ-, p(ce)-coin, γ(ce)(t), σ(Eγ). 211Bi deduced isomer decay, ICC ratios, γ-multipolarity, level J, π, configuration, (γ+e-) branching ratios.


1989ME13      Z.Phys. A334, 525 (1989)

R.Menegazzo, H.Guven, J.Styczen, N.Roy, P.Kleinheinz, D.Schardt, R.Barden, G.Walter, A.Huck, G.Marguier, J.Blomqvist, and the ISOLDE Collaboration

Gamow-Teller Strength and Particle-Phonon States in 149Dy from Decay of Its (11/2)- and (1/2)+ 149Ho Parents

RADIOACTIVITY 149Ho(β+), (EC); measured I(ce). 149Dy deduced levels, J, π, configuration, Gamow-Teller transition strength distribution. Other data input.


1989RO04      Phys.Lett. 221B, 6 (1989)

N.Roy, K.H.Maier, A.Aprahamian, J.A.Becker, D.J.Decman, E.A.Henry, L.G.Mann, R.A.Meyer, W.Stoeffl, G.L.Struble

Electromagnetic Decay of 10+ States and Yrast Isomers in 208Pb

NUCLEAR REACTIONS 209Bi(t, α), E=11.5 MeV; measured αγ-coin. 208Pb levels deduced decay features, γ-branching ratios, configurations.

doi: 10.1016/0370-2693(89)90181-0
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1988MA32      Phys.Rev. C38, 74 (1988)

L.G.Mann, K.H.Maier, A.Aprahamian, J.A.Becker, D.J.Decman, E.A.Henry, R.A.Meyer, N.Roy, W.Stoffl, G.L.Struble

Levels of the Four Lowest Two-Particle Configurations in 210Po Studied by In-Beam γ-Ray and Conversion-Electron Spectroscopy with the 209Bi(t, 2n) Reaction

NUCLEAR REACTIONS, ICPND 209Bi(t, 2n), E=11.5-17 MeV; measured Eγ, Iγ, I(ce), γγ(t), γ production σ. 210Po deduced levels J, π, γ-branching, ICC, γ-multipolarity, configurations. Shell model.

doi: 10.1103/PhysRevC.38.74
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1988YA03      Phys.Rev. C37, 1889 (1988)

S.W.Yates, E.M.Baum, E.A.Henry, L.G.Mann, N.Roy, A.Aprahamian, R.A.Meyer, R.Estep

Nuclear Structure of 200Pt from In-Beam Conversion-Electron and γ-Ray Spectroscopy

NUCLEAR REACTIONS 198Pt(t, pγ), (t, pe-), E=16 MeV; measured Eγ, Iγ, electron spectra, pγ-, pe-, pγγ-coin. 200Pt deduced levels, J, π, ICC, B(E2) ratios, γ-multipolarity, isomer T1/2.

doi: 10.1103/PhysRevC.37.1889
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1986JO02      Nucl.Phys. A449, 537 (1986)

S.Jonsson, N.Roy, H.Ryde, W.Walus, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, R.Bengtsson, S.Aberg

Near-Yrast Spectroscopy of 164Yb and Neighbouring Nuclei: Systematics of octupole bands and bandcrossings

NUCLEAR STRUCTURE 164Yb; calculated levels, octupole band structure, routhians; deduced two-quasineutron routhians, alignments and two-quasineutron residual interaction. Cranked-shell-model comaprison. Octupole-phonon plus rotor calculation of octupole bands.

NUCLEAR REACTIONS 152Sm(16O, 4n), 150Sm(18O, 4n), E=81-84 MeV; measured γγ-coin, γ(θ). 164Yb deduced levels, J, π, ICC, rotational band characteristics. Enriched targets, Ge(Li) detectors, Compton-suppressed Ge(Li) coincidence set-up, mini-orange spectrometer, Si(Li) detector. Cranked shell model calculations.

doi: 10.1016/0375-9474(86)90234-4
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1986MA31      Z.Phys. A324, 123 (1986)

A.Maj, H.Grawe, H.Kluge, A.Kuhnert, K.H.Maier, R.A.Meyer, J.Recht, N.Roy

Observation of Highly Enhanced E3-Transitions in 198,200Po. Evidence for Octupole Instability at Z ≥ 84 and N ≤ 114 ( Question )

NUCLEAR REACTIONS 182,184W(20Ne, 4n), E=105, 112 MeV; measured Eγ, Iγ, γγ-coin. 198,200Po deduced levels, J, π, γ-branching, isomer T1/2, g, B(E3), configurations.


1985DE14      Nucl.Phys. A436, 311 (1985)

D.J.Decman, H.Grawe, H.Kluge, K.H.Maier, A.Maj, N.Roy, Y.K.Agarwal, K.P.Blume, M.Guttormsen, H.Hubel, J.Recht

Decay of the Ground State and the (29/2)+ Isomer in 217Ac and g-Factor Measurements from Perturbed α-Particle Angular Distributions

NUCLEAR REACTIONS 205Tl(16O, 4n), E=96 MeV; 206Pb(15N, 4n), E=80, 84, 87 MeV; 209Bi(12C, 4n), E=75 MeV; measured αγ-, γγ-, α(ce)-, (ce)(ce)-coin, α(θ, H, t), γ(θ, H, T). 217Ac deduced levels, J, π, T1/2, g, γ multipolarity, γ-branching, γα. Shell model.

doi: 10.1016/0375-9474(85)90201-5
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1985RE06      Nucl.Phys. A440, 366 (1985)

J.Recht, Y.K.Agarwal, K.P.Blume, M.Guttormsen, H.Hubel, H.Kluge, K.H.Maier, A.Maj, N.Roy, D.J.Decman, J.Dudek, W.Nazarewicz

High-Spin Structure in 169W and 170W

NUCLEAR REACTIONS 154Gd(20Ne, xn), E=105-125 MeV; measured E(γ), I(γ), γγ-coin, γ(θ), linear polarization. 169,170W deduced levels, J, π. Ge, Ge(Li), NaI detectors, Bismuth germanate anti-Compton shield, enriched targets. Pairing self-consistent cranking calculations, particle number projections.

doi: 10.1016/0375-9474(85)90345-8
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1984DE16      Nucl.Phys. A419, 163 (1984)

D.J.Decman, H.Grawe, H.Kluge, K.H.Maier, A.Maj, M.Menningen, N.Roy, W.Wiegner

In-Beam α-, e- and γ-Spectroscopy of 215Fr

NUCLEAR REACTIONS 208Pb(11B, 4n), E=58, 62 MeV; 204Hg(15N, 4n), E ≈ 78 MeV; measured γγ-, γα-, (ce)(ce)-coin, α(θ, H, t), γ(θ, H, t). 215Fr deduced levels J, π, T1/2, g, γ-multipolarity. Shell model.

doi: 10.1016/0375-9474(84)90291-4
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1984GU29      Nucl.Instrum.Methods 227, 489 (1984)

M.Guttormsen, H.Hubel, A.v.Grumbkow, Y.K.Agarwal, J.Recht, K.H.Maier, H.Kluge, A.Maj, M.Menningen, N.Roy

A Superconducting Electron Spectrometer

NUCLEAR REACTIONS 194Pt(α, 4n), E not given; measured (ce)(ce)-coin. Superconducting electron spectrometer.

RADIOACTIVITY 213Ra(α), (β+), (EC) [from 204Pb(13C, 4n)]; measured (ce)(X-ray)-coin. 217Ac(α) [from 209Bi(12C, 4n)]; measured (ce)α-coin. Superconducting electron spectrometer.

doi: 10.1016/0168-9002(84)90206-7
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1984JO05      Nucl.Phys. A422, 397 (1984)

S.Jonsson, J.Lyttkens, L.Carlen, N.Roy, H.Ryde, W.Walus, J.Kownacki, G.B.Hagemann, B.Herskind, J.D.Garrett, P.O.Tjom

Proton Configuration Dependence of Neutron Alignments and Transition Probabilities in 165Lu

NUCLEAR REACTIONS 153Eu(16O, 4n), E=73-85 MeV; measured γγ-coin, γ(θ), Iγ(E), γ(t). 165Lu deduced levels, J, π, aligment, B(M1) rates. Enriched targets, Ge(Li) detectors, Compton suppressed Ge(Li) coincidence set up.

doi: 10.1016/0375-9474(84)90524-4
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1984RO20      Nucl.Phys. A426, 379 (1984)

N.Roy, D.J.Decman, H.Kluge, K.H.Maier, A.Maj, C.Mittag, J.Fernandez-Niello, H.Puchta, F.Riess

Spectroscopy of High-Spin States in 217Ra

NUCLEAR STRUCTURE 217Ra; calculated levels. Shell model.

NUCLEAR REACTIONS 208Pb(12C, 3n), (13C, 4n), E=65-84 MeV; measured γ(θ), Eγ, Iγ, γγ-, (ce)(ce)-coin. 217Ra deduced levels, J, π, B(λ) ratios, T1/2. Enriched targets, Ge, Ge(Li), Si-Li detectors, superconducting solenoid.

doi: 10.1016/0375-9474(84)90113-1
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1983GU05      Nucl.Phys. A398, 119 (1983)

M.Guttormsen, A.V.Grumbkow, Y.K.Agarwal, K.P.Blume, K.Hardt, H.Hubel, J.Recht, P.Schuler, H.Kluge, K.H.Maier, A.Maj, N.Roy

The (νi213/2)(8+, 10+, 12+) Triplets in 190-196Hg

NUCLEAR REACTIONS 181Ta(14N, 5n), E=100 MeV; 192,194,196Pt(α, 4n), E=50 MeV; measured (ce)(ce)(t). 190,192,194,196Hg deduced levels, J, π, M1/E2 mixing, γ-multipolarity, B(E2). Superconducting solenoid, Si(Li) detectors.

doi: 10.1016/0375-9474(83)90651-6
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1983KO05      Nucl.Phys. A394, 269 (1983)

J.Kownacki, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, S.Jonsson, N.Roy, H.Ryde, W.Walus

High-Spin Properties of 163Yb Band-Crossings and Signature-Splitting in Yb Nuclei

NUCLEAR REACTIONS 149Sm(18O, 4n), E=81-85 MeV; measured γγ-coin, γ(θ), I(ce). 163Yb deduced levels, J, π, yrast transitions, spin alignments, band crossings, routhians, γ-branching ratios. Enriched targets, Compton suppressed Ge(Li) array detectors. Cranked shell model.

doi: 10.1016/0375-9474(83)90173-2
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1983RE03      Phys.Lett. 122B, 207 (1983)

J.Recht, Y.K.Agarwal, M.Guttormsen, H.Hubel, D.J.Decman, H.Kluge, K.H.Maier, N.Roy, J.Dudek, W.Nazarewicz

Delayed Second Band Crossing in 170W

NUCLEAR REACTIONS 150Gd(20Ne, 4n), E=105, 110, 120 MeV; measured γγ-coin, I(ce), Eγ, Iγ. 170W deduced levels, J, π, γ-branching, band structure, γ-multipolarity, kinematic moment of inertia.

doi: 10.1016/0370-2693(83)90685-8
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1982CA09      Nucl.Phys. A381, 155 (1982)

L.Carlen, S.Jonsson, J.Krumlinde, J.Lyttkens, N.Roy, H.Ryde, S.Stromberg, W.Walus, G.B.Hagemann, B.Herskind

High-Spin States and Yrast Isomerism in 153Er

NUCLEAR REACTIONS 144Sm(12C, 3n), E=53-65 MeV; measured Eγ, Iγ(E), Iγ(t), Iγ(θ), γ-ray multiplicity mean values, standard deviations, I(ce). 153Er deduced levels, J, π, T1/2. Enriched targets, Ge(Li), Ge, NaI(Tl) detectors, Compton suppression, mini-orange electron spectrometer with Si-Li detector.

doi: 10.1016/0375-9474(82)90503-6
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1982RO08      Nucl.Phys. A382, 125 (1982)

N.Roy, S.Jonsson, H.Ryde, W.Walus, J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind

Near-Yrast Spectroscopy of 165-167Yb

NUCLEAR STRUCTURE 165,166,167Yb; calculated two-, three-quasineutron routhians. 166Yb deduced two-quasineutron residual interaction. Cranked shell model.

NUCLEAR REACTIONS 152,154Sm(17O, xn), (18O, xn), E=80-84 MeV; measured γγ-coin, γ(θ), ICC following 4, 5 neutron emission. 165,167Yb deduced levels, J, π, B(M1), one-, three-quasineutron alignments. Enriched targets, Ge(Li) detectors, Nal(Tl) array, Compton-suppressed Ge(Li) coincidence, mini-orange spectrometer, Si-Li detector.

doi: 10.1016/0375-9474(82)90445-6
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1981GA14      Phys.Rev.Lett. 47, 75 (1981)

J.D.Garrett, O.Andersen, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, J.Kownacki, J.C.Lisle, L.L.Riedinger, W.Walus, N.Roy, S.Jonsson, H.Ryde, M.Guttormsen, P.O.Tjom

Evidence for Decreased Pairing Energies in Odd-N Nuclei from Band-Crossing Frequencies

NUCLEAR STRUCTURE 156,158,160,162,164Er, 160,161,162,163,164,165,166,167Yb, 164,168,169,170,171Hf, 172,173,174,175,176W; analyzed yrast band angular frequency systemetics, neutron pairing correlation parameter data; deduced odd neutron number dependence. Cranked shell model.

doi: 10.1103/PhysRevLett.47.75
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1981PI09      Z.Phys. A300, 133 (1981)

M.Piiparinen, R.Pengo, Y.Nagai, E.Hammaren, P.Kleinheinz, N.Roy, L.Carlen, H.Ryde, Th.Lindblad, A.Johnson, S.A.Hjorth, J.Blomqvist

High Spin Shell Model Excitations in 149Gd

NUCLEAR REACTIONS 150Sm(α, 5n), E=67 MeV; 149Sm(α, 4n), E=51 MeV; 148Sm(α, 3n), E=44 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, linear polarization, I(ce). 149Gd deduced levels, J, π, configuration, ICC, γ-branching, T1/2, B(E2). Shell model.

doi: 10.1007/BF01412290
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1981WA23      Phys.Scr. 24, 324 (1981)

W.Walus, N.Roy, S.Jonsson, L.Carlen, H.Ryde, G.B.Hagemann, B.Herskind, J.D.Garrett, Y.S.Chen, J.Almberger, G.Leander

High-Spin Band Structure in 166Yb

NUCLEAR REACTIONS 154Sm(16O, 4n), E=80 MeV; measured γγ-coin, Eγ, Iγ, γ(θ), I(ce). 166Yb deduced levels, J, π, γ-branching, rotational bands, B(E2), B(M1) ratios.

doi: 10.1088/0031-8949/24/1B/031
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