New superheavy element isotopes: Pu242(Ca48,5n)128514

P. A. Ellison; K. E. Gregorich; J. S. Berryman; D. L. Bleuel; R. M. Clark; I. Dragojević; J. Dvorak; P. Fallon; C. Fineman-Sotomayor; J. M. Gates; O. R. Gothe; I. Y. Lee; W. D. Loveland; J. P. McLaughlin; S. Paschalis; M. Petri; J. Qian; L. Stavsetra; M. Wiedeking; H. Nitsche

doi:10.1103/PhysRevLett.105.182701

New superheavy element isotopes: Pu242(Ca48,5n)128514

P. A. Ellison, K. E. Gregorich, J. S. Berryman, D. L. Bleuel, R. M. Clark, I. Dragojević, J. Dvorak, P. Fallon, C. Fineman-Sotomayor, J. M. Gates, O. R. Gothe, I. Y. Lee, W. D. Loveland, J. P. McLaughlin, S. Paschalis, M. Petri, J. Qian, L. Stavsetra, M. Wiedeking, H. Nitsche

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The new, neutron-deficient, superheavy element isotope 128514 was produced in Ca48 irradiations of Pu242 targets at a center-of-target beam energy of 256 MeV (E^*=50MeV). The α decay of 128514 was followed by the sequential α decay of four daughter nuclides, Cn281, Ds277, Hs273, and Sg269. Rf265 was observed to decay by spontaneous fission. The measured α-decay Q values were compared with those from a macroscopic-microscopic nuclear mass model to give insight into superheavy element shell effects. The Pu242(Ca48,5n)128514 cross section was 0.6-0.5+0.9pb.

Original language	English
Article number	182701
Journal	Physical Review Letters
Volume	105
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.105.182701
Publication status	Published - 26 Oct 2010

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Ellison, P. A., Gregorich, K. E., Berryman, J. S., Bleuel, D. L., Clark, R. M., Dragojević, I., Dvorak, J., Fallon, P., Fineman-Sotomayor, C., Gates, J. M., Gothe, O. R., Lee, I. Y., Loveland, W. D., McLaughlin, J. P., Paschalis, S., Petri, M., Qian, J., Stavsetra, L., Wiedeking, M., & Nitsche, H. (2010). New superheavy element isotopes: Pu242(Ca48,5n)128514. Physical Review Letters, 105(18), Article 182701. https://doi.org/10.1103/PhysRevLett.105.182701

@article{db6883df01974795b83d9cb22096f86b,

title = "New superheavy element isotopes: Pu242(Ca48,5n)128514",

abstract = "The new, neutron-deficient, superheavy element isotope 128514 was produced in Ca48 irradiations of Pu242 targets at a center-of-target beam energy of 256 MeV (E*=50MeV). The α decay of 128514 was followed by the sequential α decay of four daughter nuclides, Cn281, Ds277, Hs273, and Sg269. Rf265 was observed to decay by spontaneous fission. The measured α-decay Q values were compared with those from a macroscopic-microscopic nuclear mass model to give insight into superheavy element shell effects. The Pu242(Ca48,5n)128514 cross section was 0.6-0.5+0.9pb.",

author = "Ellison, {P. A.} and Gregorich, {K. E.} and Berryman, {J. S.} and Bleuel, {D. L.} and Clark, {R. M.} and I. Dragojevi{\'c} and J. Dvorak and P. Fallon and C. Fineman-Sotomayor and Gates, {J. M.} and Gothe, {O. R.} and Lee, {I. Y.} and Loveland, {W. D.} and McLaughlin, {J. P.} and S. Paschalis and M. Petri and J. Qian and L. Stavsetra and M. Wiedeking and H. Nitsche",

year = "2010",

month = oct,

day = "26",

doi = "10.1103/PhysRevLett.105.182701",

language = "English",

volume = "105",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "18",

}

Ellison, PA, Gregorich, KE, Berryman, JS, Bleuel, DL, Clark, RM, Dragojević, I, Dvorak, J, Fallon, P, Fineman-Sotomayor, C, Gates, JM, Gothe, OR, Lee, IY, Loveland, WD, McLaughlin, JP, Paschalis, S , Petri, M, Qian, J, Stavsetra, L, Wiedeking, M & Nitsche, H 2010, 'New superheavy element isotopes: Pu242(Ca48,5n)128514', Physical Review Letters, vol. 105, no. 18, 182701. https://doi.org/10.1103/PhysRevLett.105.182701

TY - JOUR

T1 - New superheavy element isotopes

T2 - Pu242(Ca48,5n)128514

AU - Ellison, P. A.

AU - Gregorich, K. E.

AU - Berryman, J. S.

AU - Bleuel, D. L.

AU - Clark, R. M.

AU - Dragojević, I.

AU - Dvorak, J.

AU - Fallon, P.

AU - Fineman-Sotomayor, C.

AU - Gates, J. M.

AU - Gothe, O. R.

AU - Lee, I. Y.

AU - Loveland, W. D.

AU - McLaughlin, J. P.

AU - Paschalis, S.

AU - Petri, M.

AU - Qian, J.

AU - Stavsetra, L.

AU - Wiedeking, M.

AU - Nitsche, H.

PY - 2010/10/26

Y1 - 2010/10/26

N2 - The new, neutron-deficient, superheavy element isotope 128514 was produced in Ca48 irradiations of Pu242 targets at a center-of-target beam energy of 256 MeV (E*=50MeV). The α decay of 128514 was followed by the sequential α decay of four daughter nuclides, Cn281, Ds277, Hs273, and Sg269. Rf265 was observed to decay by spontaneous fission. The measured α-decay Q values were compared with those from a macroscopic-microscopic nuclear mass model to give insight into superheavy element shell effects. The Pu242(Ca48,5n)128514 cross section was 0.6-0.5+0.9pb.

AB - The new, neutron-deficient, superheavy element isotope 128514 was produced in Ca48 irradiations of Pu242 targets at a center-of-target beam energy of 256 MeV (E*=50MeV). The α decay of 128514 was followed by the sequential α decay of four daughter nuclides, Cn281, Ds277, Hs273, and Sg269. Rf265 was observed to decay by spontaneous fission. The measured α-decay Q values were compared with those from a macroscopic-microscopic nuclear mass model to give insight into superheavy element shell effects. The Pu242(Ca48,5n)128514 cross section was 0.6-0.5+0.9pb.

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DO - 10.1103/PhysRevLett.105.182701

M3 - Article

AN - SCOPUS:78049286307

SN - 0031-9007

VL - 105

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

M1 - 182701

ER -

New superheavy element isotopes: Pu242(Ca48,5n)128514

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