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Your search keyword '"Smith, J.F."' showing total 7 results
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7 results on '"Smith, J.F."'

1. Decay spectroscopy at the two-proton drip line: Radioactivity of the new nuclides 160Os and 156W

Author

Briscoe, A.D., primary, Page, R.D., additional, Uusitalo, J., additional, Joss, D.T., additional, AlAqeel, M.A.M., additional, Alayed, B., additional, Andel, B., additional, Antalic, S., additional, Auranen, K., additional, Ayatollahzadeh, H., additional, Badran, H., additional, Barber, L., additional, Beeton, G., additional, Birova, M., additional, Bogdanoff, V., additional, Clark, R.M., additional, Cubiss, J.G., additional, Cullen, D.M., additional, Deary, J., additional, Forsberg, U., additional, Grahn, T., additional, Greenlees, P.T., additional, Hilton, J.B., additional, Illana, A., additional, Joukainen, H., additional, Judson, D.S., additional, Julin, R., additional, Jutila, H., additional, Keatings, J.M., additional, Labiche, M., additional, Leino, M., additional, Lewis, M.C., additional, Louko, J., additional, Luoma, M., additional, Martel, I., additional, McCarter, A., additional, McKee, P.P., additional, Mosat, P., additional, Nathaniel, S.N., additional, Neuvonen, O., additional, O'Donnell, D., additional, Ojala, J., additional, Page, C.A.A., additional, Plaza, A.M., additional, Pakarinen, J., additional, Papadakis, P., additional, Parr, E., additional, Partanen, J., additional, Rahkila, P., additional, Ruotsalainen, P., additional, Sandzelius, M., additional, Sarén, J., additional, Saygi, B., additional, Smallcombe, J., additional, Smith, J.F., additional, Sorri, J., additional, Sullivan, C.M., additional, Szwec, S., additional, Tann, H., additional, Tolosa-Delgado, A., additional, Uusikylä, E., additional, Venhart, M., additional, Waring, L.J., additional, and Zimba, G., additional

Published
2023
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2. Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions

Author

Jeung, D.Y., primary, Hinde, D.J., additional, Dasgupta, M., additional, Simenel, C., additional, Simpson, E.C., additional, Cook, K.J., additional, Albers, H.M., additional, Buete, J., additional, Carter, I.P., additional, Düllmann, Ch.E., additional, Khuyagbaatar, J., additional, Kindler, B., additional, Lobanov, N., additional, Lommel, B., additional, Mokry, C., additional, Prasad, E., additional, Runke, J., additional, Sengupta, C., additional, Smith, J.F., additional, Thörle-Pospiech, P., additional, Trautmann, N., additional, Vo-Phuoc, K., additional, Walshe, J., additional, Williams, E., additional, and Yakushev, A., additional

Published
2023
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3. Sequential fission and the influence of Pb closed shells on the dynamics of superheavy element synthesis reactions

Author

Jeung, D.Y., Hinde, D.J., Dasgupta, M., Simenel, C., Simpson, E.C., Cook, K.J., Albers, H.M., Buete, J., Carter, I.P., Düllmann, Ch.E., Khuyagbaatar, J., Kindler, B., Lobanov, N., Lommel, B., Mokry, C., Prasad, E., Runke, J., Sengupta, C., Smith, J.F., Thörle-Pospiech, P., Trautmann, N., Vo-Phuoc, K., Walshe, J., Williams, E., and Yakushev, A.

Abstract

Measured binary quasifission mass spectra in reactions with actinide nuclides show a large peak in yield near the doubly-magic $^{208}$Pb. This has generally been attributed to the enhanced binding energy of $^{208}$Pb causing a valley in the potential energy surface, attracting quasifission trajectories. To investigate this interpretation, binary quasifission mass spectra and cross-sections have been measured at near-barrier energies for reactions of $^{50}$Ti with actinide nuclides from $^{238}$U to $^{249}$Cf. Cross-sections have also been deduced for sequential fission (a projectile-like nucleus and two fragments from fission of the complementary target-like nucleus). Binary cross-sections fall from ∼70% of calculated capture cross-sections for $^{238}$U to only ∼40% for $^{249}$Cf, with a compensating increase in sequential fission cross-sections. The data are consistent with the $^{208}$Pb peak originating largely from sequential fission of heavier fragments produced in more mass-asymmetric primary quasifission events. These are increasingly suppressed as the heavy quasifission fragment mass increases above $^{208}$Pb. The important role of sequential fission calls for re-interpretation of quasifission characteristics and dynamics in superheavy element synthesis reactions.

Published
2023

4. Coulomb excitation of 222Rn

Author

Spagnoletti, P., Butler, P.A., Gaffney, L.P., Abrahams, K., Bowry, M., Cederkäll, J., Chupp, T., de Angelis, G., de Witte, H., Garrett, P.E., Goldkuhle, A., Henrich, C., Illana, A., Johnston, K., Joss, D.T., Keatings, J.M., Kelly, N.A., Komorowska, M., Konki, J., Kröll, T., Lozano, M., Singh, B.S. Nara, O'Donnell, D., Ojala, J., Page, R.D., Pedersen, L.G., Raison, C., Reiter, P., Rodriguez, J.A., Rosiak, D., Rothe, S., Scheck, M., Seidlitz, M., Shneidman, T.M., Siebeck, B., Sinclair, J., Smith, J.F., Stryjczyk, M., van Duppen, P., Viñals, S., Virtanen, V., Wrzosek-Lipska, K., Warr, N., Zielińska, M., Helsinki Institute of Physics, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay

Subjects
A ≥ 220, electromagnetic transitions, nuclear structure & decays, Nuclear Physics - Experiment, radon, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], ydinfysiikka, 114 Physical sciences
Abstract

International audience; The nature of quadrupole and octupole collectivity in $^{222}$Rn was investigated by determining the electric-quadrupole (E2) and octupole (E3) matrix elements using subbarrier, multistep Coulomb excitation. The radioactive $^{222}$Rn beam, accelerated to 4.23 MeV/u, was provided by the HIE-ISOLDE facility at CERN. Data were collected in the Miniball $\gamma$ -ray spectrometer following the bombardment of two targets, $^{120}$Sn and $^{60}$Ni. Transition E2 matrix elements within the ground-state and octupole bands were measured up to 10 ¯h and the results were consistent with a constant intrinsic electric-quadrupole moment, 518(11) $e$ fm$^2$ . The values of the intrinsic electric-octupole moment for the $0^+ \to 3^-$ and $2^+ \to 5^-$ transitions were found to be respectively $2360^{+300}_{-210}$ $e$ fm$_3$ and $2300^{+300}_{-500}$ $e$ fm$^3$ while a smaller value, $1200^{+500}_{-900}$ $e$ fm$^3$ , was found for the $2^+ \to 1^-$ transition. In addition, four excited non-yrast states were identified in this work via γ -γ coincidences.

Published
2022

5. P.0035 Structural brain correlates of childhood inhibited temperament

Author

Bas-Hoogendam, J.M., Bernstein, R., Benson, B.E., Salum, G.A., Pan, P.M., Jackowski, A.P., Bressan, R.A., Zugman, A., Degnan, K.A., Fox, N.A., Henderson, H.A., Tang, A., Zeytinoglu, S., Schwartz, C., Rauch, S.L., Felicione, J.M., Biederman, J., Rosenbaum, J.F., Hirshfeld-Becker, D.R., DeYoung, K.A., Shackman, A.J., Smith, J.F., Tillman, R.M., Buss, K.A., Gunther, K.E., Pérez-Edgar, K., Hill, S.Y., Battaglia, M., Tettamanti, M., Dougherty, L.R., Jin, F.J., Klein, D.N., Leung, H.C., Avery, S.N., Blackford, J.U., Clauss, J.A., Hayden, E.P., Liu, P., Vandermeer, M.R.J., Thompson, P.M., Westenberg, P.M., Van der Wee, N.J.A., Groenewold, N.A., Stein, D.J., Winkler, A.W., and Pine, D.S.

Subjects
Pharmacology, Psychiatry and Mental health, Neurology, Pharmacology (medical), Neurology (clinical), Biological Psychiatry
Published
2021

6. P.0035 Structural brain correlates of childhood inhibited temperament: rationale and methodology for an ENIGMA-Anxiety mega-analysis

Author

Bas-Hoogendam, J.M., primary, Bernstein, R., additional, Benson, B.E., additional, Salum, G.A., additional, Pan, P.M., additional, Jackowski, A.P., additional, Bressan, R.A., additional, Zugman, A., additional, Degnan, K.A., additional, Fox, N.A., additional, Henderson, H.A., additional, Tang, A., additional, Zeytinoglu, S., additional, Schwartz, C., additional, Rauch, S.L., additional, Felicione, J.M., additional, Biederman, J., additional, Rosenbaum, J.F., additional, Hirshfeld-Becker, D.R., additional, DeYoung, K.A., additional, Shackman, A.J., additional, Smith, J.F., additional, Tillman, R.M., additional, Buss, K.A., additional, Gunther, K.E., additional, Pérez-Edgar, K., additional, Hill, S.Y., additional, Battaglia, M., additional, Tettamanti, M., additional, Dougherty, L.R., additional, Jin, F. Jingwen, additional, Klein, D.N., additional, Leung, H.C., additional, Avery, S.N., additional, Blackford, J.U., additional, Clauss, J.A., additional, Hayden, E.P., additional, Liu, P., additional, Vandermeer, M.R.J., additional, Thompson, P.M., additional, Westenberg, P.M., additional, Van der Wee, N.J.A., additional, Groenewold, N.A., additional, Stein, D.J., additional, Winkler, A.W., additional, and Pine, D.S., additional

Published
2021
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7. Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)

Author

Banerjee, K., Hinde, D.J., Dasgupta, M., Sadhukhan, J., Simpson, E.C., Jeung, D.Y., Simenel, C., Swinton-Bland, B.M.A., Williams, E., Bezzina, L.T., Carter, I.P., Cook, K.J., Albers, H.M., Düllmann, Ch.E., Khuyagbaatar, J., Kindler, B., Lommel, B., Mokry, C., Prasad, E., Runke, J., Schunck, N., Sengupta, C., Smith, J.F., Thörle-Pospiech, P., Trautmann, N., Vo-Phuoc, K., Walshe, J., and Yakushev, A.

Published
2021
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