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NSR database version of April 11, 2024.

Search: Author = R.Sudowe

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2019MA34      Appl.Radiat.Isot. 148, 27 (2019)

S.L.Maxwell, D.R.McAlister, R.Sudowe

Rapid method to determine Polonium-210 in urban matrices

RADIOACTIVITY 210Po(α); measured decay products, Eα, Iα; deduced activities.

doi: 10.1016/j.apradiso.2019.03.018
Citations: PlumX Metrics


2011HA63      J.Phys.:Conf.Ser. 312, 082026 (2011)

J.H.Hamilton, Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.Benker, M.E.Bennett, S.N.Dmitriev, J.Ezold, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Tu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk

Synthesis of the New Element with Z=117

NUCLEAR REACTIONS 249Bk(48Ca, 4n)293Ts, E=252 MeV;249Bk(48Ca, 3n)294Ts, E=252 MeV; measured Eα, α-decay chains, ER, fission fragments; deduced new element 117, T1/2.

doi: 10.1088/1742-6596/312/4/082026
Citations: PlumX Metrics


2011OG04      Phys.Rev. C 83, 054315 (2011)

Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, R.Taylor, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk

Eleven new heaviest isotopes of elements Z = 105 to Z = 117 identified among the products of 249Bk+48Ca reactions

RADIOACTIVITY 293,294Ts(α)[from 249Bk(48Ca, xn), E=252 MeV]; 274Bh, 278Mt, 282Rg, 286Nh, 290Mc(α) [from α decay chain of 294Ts]; 281Rg, 285Nh, 289Mc(α)[from α decay chain of 293Ts]; 270Db(SF), (α), (EC)[from α decay of 274Bh]; 281Rg(SF)[from α decay of 285Nh]; measured Eα, half-lives and β decay energies of residues; deduced Q(α). Systematics of α decay half-lives, Q(α) values and β+, EC half-lives of Z=106-118, N=150-175, A=260-295 isotopes.

NUCLEAR REACTIONS 249Bk(48Ca, xn)293Ts/294Ts, E=252 MeV; measured production cross sections.

doi: 10.1103/PhysRevC.83.054315
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0884. Data from this article have been entered in the XUNDL database. For more information, click here.


2010OG01      Phys.Rev.Lett. 104, 142502 (2010)

Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk

Synthesis of a New Element with Atomic Number Z = 117

NUCLEAR REACTIONS 249Bk(48Ca, 4n), E=252 MeV; 249Bk(48Ca, 3n) , E=247 MeV;measured Eα, Iα, α-α correlations. 293,294Ts; deduced σ, decay chains, T1/2.

RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 282Rg, 278Mt, 274Bh(α); measured Eα, Iα, and half-lives. 270Db, 281Rg(SF); measured TKE, and T1/2.

doi: 10.1103/PhysRevLett.104.142502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009FO02      Phys.Rev. C 79, 027602 (2009)

C.M.Folden III, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, S.L.Nelson, R.Sudowe, K.E.Gregorich, D.C.Hoffman, H.Nitsche

Measurement of the 208Pb(52Cr, n)259Sg excitation function

NUCLEAR REACTIONS 208Pb(52Cr, n)259Sg, E=250.7-266.2 MeV; 208Pb(52Cr, 2n)258Sg, E=250.7-266.2 MeV. Measured excitation functions, σ.

RADIOACTIVITY 259Sg, 258Sg, 255Rf(α), (SF), (EC), 251No(α); measured Eα, half-lives, decay modes.

doi: 10.1103/PhysRevC.79.027602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1670. Data from this article have been entered in the XUNDL database. For more information, click here.


2008DR05      Phys.Rev. C 78, 024605 (2008)

I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, M.A.Garcia, J.M.Gates, S.L.Nelson, L.Stavsetra, R.Sudowe, H.Nitsche

Influence of projectile neutron number in the 208Pb(48Ti, n)255Rf and 208Pb(50Ti, n)257Rf reactions

NUCLEAR REACTIONS 208Pb(48Ti, n), (48Ti, 2n), (50Ti, n), (50Ti, 2n), E=4.6-4.8 MeV/nucleon; measured excitation functions, σ.

RADIOACTIVITY 254,255,256,257Rf(α); measured Eα, Iα, half-lives.

doi: 10.1103/PhysRevC.78.024605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1738. Data from this article have been entered in the XUNDL database. For more information, click here.


2008GA08      Phys.Rev. C 77, 034603 (2008)

J.M.Gates, M.A.Garcia, K.E.Gregorich, Ch.E.Dullmann, I.Dragojevic, J.Dvorak, R.Eichler, C.M.Folden III, W.Loveland, S.L.Nelson, G.K.Pang, L.Stavsetra, R.Sudowe, A.Turler, H.Nitsche

Synthesis of rutherfordium isotopes in the 238U(26Mg, xn)264-xRf reaction and study of their decay properties

NUCLEAR REACTIONS 238U(26Mg, 3n), (26Mg, 4n), (26Mg, 5n), (26Mg, 6n), E=4.9-6.0 MeV/nucleon; measured excitation functions, σ, half-lives, cross sections.

RADIOACTIVITY 258Rf(α) [from 238U(26Mg, 6n), E=4.9-6.0 MeV/nucleon]; 259Rf(EC) [from 238U(26Mg, 5n), E=4.9-6.0 MeV/nucleon]; 260Rf(α), (SF) [from 238U(26Mg, 4n), E=4.9-6.0 MeV/nucleon]; 261Rf(α), (SF) [from 238U(26Mg, 3n), E=4.9-6.0 MeV/nucleon]; 254No(α); measured α spectra, Q-values, charged particle spectra.242,244,246,248,250,252,254,256,258Fm, 248,250,252,254,256No, 250,252,254,256Rf, 252,254,256,258,260Sg; systematics.

doi: 10.1103/PhysRevC.77.034603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1607. Data from this article have been entered in the XUNDL database. For more information, click here.


2008GA25      Phys.Rev. C 78, 034604 (2008)

J.M.Gates, S.L.Nelson, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, P.A.Ellison, C.M.Folden III, M.A.Garcia, L.Stavsetra, R.Sudowe, D.C.Hoffman, H.Nitsche

Comparison of reactions for the production of 258, 257Db: 208Pb(51V, xn) and 209Bi(50Ti, xn)

NUCLEAR REACTIONS 208Pb(51V, n), (51V, 2n), E=4.7-5.1 MeV/nucleon; measured excitation function, σ. 209Bi(50Ti, n), (50Ti, 2n); systematics of excitation functions, σ.

RADIOACTIVITY 257,258Db, 253,254Lr, 249,250Md, 246Cf, 250Fm, 254No, 245Es(α); measured α-spectra, half-lives.

doi: 10.1103/PhysRevC.78.034604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1703. Data from this article have been entered in the XUNDL database. For more information, click here.


2008NE01      Phys.Rev.Lett. 100, 022501 (2008)

S.L.Nelson, K.E.Gregorich, I.Dragojevic, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche

Lightest Isotope of Bh Produced via the 209Bi(52Cr, n)260Bh Reaction

NUCLEAR REACTIONS 209Bi(52Cr, n), E=257 MeV; measured correlated decay chain Eα, Iα, production cross section.

doi: 10.1103/PhysRevLett.100.022501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008NE08      Phys.Rev. C 78, 024606 (2008)

S.L.Nelson, C.M.Folden III, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche

Comparison of complementary reactions for the production of 261, 262Bh

NUCLEAR REACTIONS 208Pb(55Mn, n), (55Mn, 2n), E=273, 278, 283 MeV; 209Bi(54Cr, n), (54Cr, 2n), E=253.5-272.3 MeV; measured excitation functions, σ, half-lives.

doi: 10.1103/PhysRevC.78.024606
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007OM01      Eur.Phys.J. D 45, 91 (2007)

J.P.Omtvedt, J.Alstad, T.Bjornstad, Ch.E.Dullmann, K.E.Gregorich, D.C.Hoffman, H.Nitsche, K.Opel, D.Polakova, F.Samadani, F.Schulz, G.Skarnemark, L.Stavsetra, R.Sudowe, L.Zheng

Chemical properties of the transactinide elements studied in liquid phase with SISAK

doi: 10.1140/epjd/e2007-00214-6
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2006EI01      Radiochim.Acta 94, 181 (2006)

R.Eichler, W.Bruchle, R.Buda, S.Burger, R.Dressler, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, B.Eichler, C.M.Folden III, H.W.Gaggeler, K.E.Gregorich, F.Haenssler, D.C.Hoffman, H.Hummrich, E.Jager, J.V.Kratz, B.Kuczewski, D.Liebe, D.Nayak, H.Nitsche, D.Piguet, Z.Qin, U.Rieth, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, S.Soverna, R.Sudowe, N.Trautmann, P.Thorle, A.Turler, B.Wierczinski, N.Wiehl, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf

Attempts to chemically investigate element 112

NUCLEAR REACTIONS 238U(48Ca, X), E=231, 235 MeV; measured delayed fission, Eα, (fission)α-coin; deduced no evidence for 283Cn. Thermochromatography.

doi: 10.1524/ract.2006.94.4.181
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2006FO02      Phys.Rev. C 73, 014611 (2006)

C.M.Folden III, S.L.Nelson, Ch.E.Dullmann, J.M.Schwantes, R.Sudowe, P.M.Zielinski, K.E.Gregorich, H.Nitsche, D.C.Hoffman

Excitation function for the production of 262Bh (Z = 107) in the odd-Z-projectile reaction 208Pb(55Mn, n)

NUCLEAR REACTIONS 208Pb(55Mn, n), E=260, 264, 268 MeV; measured delayed Eα, αα-coin, excitation function. 208Pb(55Mn, 2n), E=268 MeV; measured delayed Eα, αα-coin; deduced evidence for 261Bh. Gas-filled separator.

RADIOACTIVITY 261,262,262mBh, 257,258Db, 253m,254Lr, 254No, 250Fm(α) [from 208Pb(55Mn, xn) and subsequent decay]; measured Eα, T1/2.

doi: 10.1103/PhysRevC.73.014611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1735.


2006GR24      Phys.Rev. C 74, 044611 (2006)

K.E.Gregorich, J.M.Gates, Ch.E.Dullmann, R.Sudowe, S.L.Nelson, M.A.Garcia, I.Dragojevic, C.M.Folden III, S.H.Neumann, D.C.Hoffman, H.Nitsche

New isotope 264Sg and decay properties of 262-264Sg

NUCLEAR REACTIONS 238U(30Si, 4n), (30Si, 5n), (30Si, 6n), E=147-174 MeV; measured delayed Eα, (recoil)α-coin; deduced excitation functions.

RADIOACTIVITY 262,264Sg(SF); measured T1/2, α-decay branching upper limit. 263Sg(SF), (α); measured T1/2, branching ratio. 259Rf, 255No; measured T1/2.

doi: 10.1103/PhysRevC.74.044611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1512. Data from this article have been entered in the XUNDL database. For more information, click here.


2005DU23      Nucl.Instrum.Methods Phys.Res. A551, 528 (2005)

Ch.E.Dullmann, C.M.Folden III, K.E.Gregorich, D.C.Hoffman, D.Leitner, G.K.Pang, R.Sudowe, P.M.Zielinski, H.Nitsche

Heavy-ion-induced production and physical preseparation of short-lived isotopes for chemistry experiments

NUCLEAR REACTIONS Ge(18O, X)83mSr/83Y/84mY/88mY/85Zr/87Zr, E=82.8 GeV; 84Se(18O, X)86mY/85Zr/87Nb/87mNb/88Nb/88Mo, E=82.7 MeV; 124Sn(50Ti, X)168mLu/167Hf/168Hf, E=223.7 MeV; 116Sn(50Ti, X)162Tm/161Yb/162Yb/163Yb/162Lu/162Hf, E=224.4 MeV; measured delayed Eγ, Iγ following residual nucleus decay. Physical preseparation technique.

doi: 10.1016/j.nima.2005.05.077
Citations: PlumX Metrics


2005GR19      Phys.Rev. C 72, 014605 (2005)

K.E.Gregorich, W.Loveland, D.Peterson, P.M.Zielinski, S.L.Nelson, Y.H.Chung, Ch.E.Dullmann, C.M.Folden III, K.Aleklett, R.Eichler, D.C.Hoffman, J.P.Omtvedt, G.K.Pang, J.M.Schwantes, S.Soverna, P.Sprunger, R.Sudowe, R.E.Wilson, H.Nitsche

Attempt to confirm superheavy element production in the 48Ca + 238U reaction

NUCLEAR REACTIONS 238U(48Ca, 3n), E=230.3, 235.6 MeV; measured σ upper limits; deduced no evidence for 283Cn. Comparison with previous results.

doi: 10.1103/PhysRevC.72.014605
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2005ST16      Nucl.Instrum.Methods Phys.Res. A543, 509 (2005)

L.Stavsetra, K.E.Gregorich, J.Alstad, H.Breivik, K.Eberhardt, C.M.Folden III, T.N.Ginter, M.Johansson, U.W.Kirbach, D.M.Lee, M.Mendel, L.A.Omtvedt, J.B.Patin, G.Skarnemark, R.Sudowe, P.A.Wilk, P.M.Zielinski, H.Nitsche, D.C.Hoffman, J.P.Omtvedt

Liquid-scintillation detection of preseparated 257Rf with the SISAK-system

NUCLEAR REACTIONS 208Pb(50Ti, n), E=237 MeV; measured delayed αα-coin; deduced evidence for 257Rf. Gas-filled separator, fast liquid-liquid extraction system.

doi: 10.1016/j.nima.2004.12.010
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2004FO08      Phys.Rev.Lett. 93, 212702 (2004)

C.M.Folden III, K.E.Gregorich, Ch.E.Dullmann, H.Mahmud, G.K.Pang, J.M.Schwantes, R.Sudowe, P.M.Zielinski, H.Nitsche, D.C.Hoffman

Development of an Odd-Z-Projectile Reaction for Heavy Element Synthesis: 208Pb(64Ni, n)271Ds and 208Pb(65Cu, n)272Rg

NUCLEAR REACTIONS 208Pb(64Ni, n), E=311.5, 314.3 MeV; 208Pb(65Cu, n), E=321 MeV; measured measured αα-coin following residual nucleus decay; deduced σ. Gas-filled separator.

RADIOACTIVITY 271Ds, 267Hs, 263mSg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; 272Rg, 268Mt, 264Bh, 260Db, 256Lr(α) [from 208Pb(65Cu, n) and subsequent decay]; measured Eα, T1/2. Gas-filled separator.

doi: 10.1103/PhysRevLett.93.212702
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2004GA18      Nucl.Phys. A734, 208 (2004)

H.W.Gaggeler, W.Bruchle, Ch.E.Dullmann, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, C.M.Folden, T.N.Ginter, F.Glaus, K.E.Gregorich, F.Haenssler, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, J.V.Kratz, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, U.Rieth, M.Schadel, E.Schimpf, B.Schausten, S.Soverna, R.Sudowe, P.Thorle, N.Trautmann, A.Turler, A.Vahle, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf

Chemical and nuclear studies of hassium and element 112

NUCLEAR REACTIONS 248Cm(26Mg, 4n), (26Mg, 5n), E=145 MeV; 238U(48Ca, 3n), E=239 MeV; measured yields. Chemical properties discussed.

doi: 10.1016/j.nuclphysa.2004.01.036
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2003DU27      Czech.J.Phys. (Supplement) 53, A291 (2003)

Ch.E.Dullmann, R.Dressler, B.Eichler, H.W.Gaggeler, F.Glaus, D.T.Jost, D.Piguet, S.Soverna, A.Turler, W.Bruchle, R.Eichler, E.Jager, V.Pershina, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, G.Wirth, K.Eberhardt, P.Thorle, N.Trautmann, T.N.Ginter, K.E.Gregorich, D.C.Hoffman, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, R.Sudowe, P.M.Zielinski, S.N.Timokhin, A.B.Yakushev, A.Vahle, Z.Qin

First chemical investigation of hassium (Hs, Z=108)

RADIOACTIVITY 269,270Hs(α); measured Eα, Iα.

doi: 10.1007/s10582-003-0037-4
Citations: PlumX Metrics


2003GI05      Phys.Rev. C 67, 064609 (2003); Erratum Phys.Rev. C 68, 029901 (2003)

T.N.Ginter, K.E.Gregorich, W.Loveland, D.M.Lee, U.W.Kirbach, R.Sudowe, C.M.Folden III, J.B.Patin, N.Seward, P.A.Wilk, P.M.Zielinski, K.Aleklett, R.Eichler, H.Nitsche, D.C.Hoffman

Confirmation of production of element 110 by the 208Pb(64Ni, n) reaction

NUCLEAR REACTIONS 208Pb(64Ni, n), E=312.5, 315, 317.5 MeV: measured delayed (recoil)α-coin; deduced production σ.

RADIOACTIVITY 271Ds, 267Hs, 263Sg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; measured Eα.

doi: 10.1103/PhysRevC.67.064609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1698.


2003GR26      Eur.Phys.J. A 18, 633 (2003)

K.E.Gregorich, T.N.Ginter, W.Loveland, D.Peterson, J.B.Patin, C.M.Folden III, D.C.Hoffman, D.M.Lee, H.Nitsche, J.P.Omtvedt, L.A.Omtvedt, L.Stavsetra, R.Sudowe, P.A.Wilk, P.M.Zielinski, K.Aleklett

Cross-section limits for the 208Pb(86Kr, n)293118 reaction

NUCLEAR REACTIONS 208Pb(86Kr, X), E=449 MeV; measured evaporation residue yields; deduced no evidence for 293Og. 208Pb(86Kr, n), E=449 MeV; deduced production σ upper limit.

doi: 10.1140/epja/i2002-10165-x
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2003KR20      Radiochim.Acta 91, 59 (2003)

J.V.Kratz, A.Nahler, U.Rieth, A.Kronenberg, B.Kuczewski, E.Strub, W.Bruchle, M.Schadel, B.Schausten, A.Turler, H.W.Gaggeler, D.T.Jost, K.E.Gregorich, H.Nitsche, C.Laue, R.Sudowe, P.A.Wilk

An EC-branch in the decay of 27-s 263Db: Evidence for the isotope 263Rf

RADIOACTIVITY 263Db(EC), (α), (SF) [from 249Bk(18O, 4n)]; measured Eα, fission fragment spectra; deduced EC-decay branching ratio, evidence for 263Rf. 263Rf(SF) [from 263Db decay]; measured T1/2. Radiochemical separation.

doi: 10.1524/ract.91.1.59.19010
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2003TU05      Eur.Phys.J. A 17, 505 (2003)

A.Turler, Ch.E.Dullmann, H.W.Gaggeler, U.W.Kirbach, A.B.Yakushev, M.Schadel, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Vahle, G.Wirth, P.M.Zielinski

On the decay properties of 269Hs and indications for the new nuclide 270Hs

NUCLEAR REACTIONS 248Cm(26Mg, xn), E=143.7-146.8 MeV; measured residual nucleus decay; deduced evidence for 269,270Hs. Chemical separation.

RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf, 257No(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα, T1/2. 261,262Rf(SF); measured fission fragment energies.

doi: 10.1140/epja/i2002-10163-0
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2002DU21      Nature(London) 418, 859 (2002)

Ch.E.Dullmann, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, H.W.Gaggeler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Turler, A.Vahle, G.Wirth, A.B.Yakushev, P.M.Zielinski

Chemical investigation of hassium (element 108)

RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα. Chemical properties of hassium discussed.

doi: 10.1038/nature00980
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2002KI25      Nucl.Instrum.Methods Phys.Res. A484, 587 (2002)

U.W.Kirbach, C.M.Folden III, T.N.Ginter, K.E.Gregorich, D.M.Lee, V.Ninov, J.P.Omtvedt, J.B.Patin, N.K.Seward, D.A.Strellis, R.Sudowe, A.Turler, P.A.Wilk, P.M.Zielinski, D.C.Hoffman, H.Nitsche

The Cryo-Thermochromatographic Separator (CTS): A new rapid separation and α-detection system for on-line chemical studies of highly volatile osmium and hassium (Z=108) tetroxides

doi: 10.1016/S0168-9002(01)01990-8
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2000LA25      Phys.Rev. C61, 067603 (2000)

C.A.Laue, K.E.Gregorich, R.Sudowe, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

Half-Life of 232Pu and Excitation Function for the 233U (3He, 4n)232Pu Reaction

NUCLEAR REACTIONS 233U(3He, 4n), E=28-47 MeV; measured excitation function.

RADIOACTIVITY 232Pu(α) [from 233U(3He, 4n)]; measured T1/2.

doi: 10.1103/PhysRevC.61.067603
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1999LA14      Phys.Rev. C59, 3086 (1999)

C.A.Laue, K.E.Gregorich, R.Sudowe, M.B.Hendricks, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman

New Plutonium Isotope: 231Pu

NUCLEAR REACTIONS 233U(3He, 5n), E=42-47 MeV; measured αα-coin following residual nucleus decay; deduced evidence for 231Pu. Gas transport, chemical separation.

RADIOACTIVITY 231Pu(α), (EC); measured Eα, T1/2, branching ratio; deduced logft, Q(α).

doi: 10.1103/PhysRevC.59.3086
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