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Ma WC, Martin V, Khoo TL, Lauritsen T, Egido JL, Ahmad I, Bhattacharyya P, Carpenter MP, Daly PJ, Grabowski ZW, Hamilton JH, Janssens RV, Nisius D, Ramayya AV, Varmette PG, Zhang CT. Phase transitions above the Yrast line in 154Dy. Phys Rev Lett 2000; 84:5967-5970. [PMID: 10991100 DOI: 10.1103/physrevlett.84.5967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2000] [Indexed: 05/23/2023]
Abstract
Spectra of the E2 quasicontinuum gamma rays feeding different spin regions of the 154Dy yrast line have been extracted. These are compared with corresponding theoretical spectra obtained by numerical simulations based on temperature-dependent Hartree-Fock theory, with thermal shape fluctuations. In this manner, different regions of the spin-energy plane can be examined. The results support the predictions of a smeared-out phase transition at high spin above the yrast line.
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Affiliation(s)
- W C Ma
- Mississippi State University, Mississippi State, Mississippi 39762, USA
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Fischer SM, Janssens RV, Riley MA, Chasman RR, Ahmad I, Blumenthal DJ, Brown TB, Carpenter MP, Hackman G, Hartley DJ, Khoo TL, Lauritsen T, Ma WC, Nisius D, Simpson J, Varmette PG. Superdeformed band in 155Dy: Where does the "island" of superdeformation end? Phys Rev C Nucl Phys 1996; 54:R2806-R2810. [PMID: 9971718 DOI: 10.1103/physrevc.54.r2806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Krücken R, Hackman G, Deleplanque MA, Janssens RV, Lee IY, Ackermann D, Ahmad I, Amro H, Asztalos S, Blumenthal DJ, Carpenter MP, Clark RM, Diamond RM, Fallon P, Fischer SM, Herskind B, Khoo TL, Lauritsen T, Macchiavelli AO, MacLeod RW, Nisius D, Schmid GJ, Stephens FS, Vetter K. Test of Delta I=2 staggering in the superdeformed bands of 194Hg. Phys Rev C Nucl Phys 1996; 54:R2109-R2113. [PMID: 9971639 DOI: 10.1103/physrevc.54.r2109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Zhang CT, Bhattacharyya P, Daly PJ, Broda R, Grabowski ZW, Nisius D, Ahmad I, Ishii T, Carpenter MP, Morss LR, Phillips WR, Durell JL, Leddy MJ, Smith AG, Urban W, Varley BJ, Schulz N, Lubkiewicz E, Bentaleb M, Blomqvist J. Yrast Excitations around Doubly Magic 132Sn from Fission Product gamma -ray Studies. Phys Rev Lett 1996; 77:3743-3746. [PMID: 10062297 DOI: 10.1103/physrevlett.77.3743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Farrar KA, Sanders SJ, Dummer AK, Hasan AT, Prosser FW, Back BB, Bearden IG, Betts RR, Carpenter MP, Crowell B, Freer M, Henderson DJ, Janssens RV, Khoo TL, Lauritsen T, Liang Y, Nisius D, Wuosmaa AH, Beck C, Freeman RM, Cavallaro S. Fission decay of 48Cr at ECN*. Phys Rev C Nucl Phys 1996; 54:1249-1261. [PMID: 9971460 DOI: 10.1103/physrevc.54.1249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Lopez-Martens A, Hannachi F, Dossing T, Schück C, Collatz R, Gueorguieva E, Vieu C, Leoni S, Herskind B, Khoo TL, Lauritsen T, Ahmad I, Blumenthal DJ, Carpenter MP, Gassmann D, Janssens RV, Nisius D, Korichi A, Bourgeois C, Astier A, Ducroux L, Meyer M, Redon N, Sharpey-Schafer JF, Wilson AN, Korten W, Bracco A, Lucas R. Fragmentation of the Decay from the Superdeformed Yrast Band in 192Hg. Phys Rev Lett 1996; 77:1707-1710. [PMID: 10063151 DOI: 10.1103/physrevlett.77.1707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Wilson AN, Timár J, Sharpey-Schafer JF, Crowell B, Carpenter MP, Janssens RV, Blumenthal DJ, Ahmad I, Astier A, Azaiez F, Bergström M, Ducroux L, Gall BJ, Hannachi F, Khoo TL, Korichi A, Lauritsen T, Lopez-Martens A, Meyer M, Nisius D, Paul ES, Porquet MG, Redon N, Wilson JN, Nakatsukasa T. Collective and quasiparticle excitations in superdeformed 190Hg. Phys Rev C Nucl Phys 1996; 54:559-567. [PMID: 9971378 DOI: 10.1103/physrevc.54.559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Fischer SM, Carpenter MP, Janssens RV, Crowell B, Ahmad I, Blumenthal DJ, Khoo TL, Lauritsen T, Nisius D, Reviol W, Mueller WF, Riedinger LL, Smith BH, Cederwall B. Alignment additivity in the two-quasiparticle superdeformed bands of 192Tl. Phys Rev C Nucl Phys 1996; 53:2126-2133. [PMID: 9971187 DOI: 10.1103/physrevc.53.2126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Khoo TL, Carpenter MP, Lauritsen T, Ackermann D, Ahmad I, Blumenthal DJ, Fischer SM, Janssens RV, Nisius D, Moore EF, Lopez-Martens A, Dossing T, Kruecken R, Asztalos SJ, Becker JA, Bernstein L, Clark RM, Deleplanque MA, Diamond RM, Fallon P, Farris LP, Hannachi F, Henry EA, Korichi A, Lee IY, Macchiavelli AO, Stephens FS. Excitation energies and spins of a superdeformed band in 194Hg from one-step discrete decays to the yrast line. Phys Rev Lett 1996; 76:1583-1586. [PMID: 10060466 DOI: 10.1103/physrevlett.76.1583] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Nisius D, Janssens RV, Bearden IG, Mayer RH, Ahmad I, Bhattacharyya P, Crowell B, Carpenter MP, Daly PJ, Davids CN, Grabowski ZW, Henderson DJ, Henry RG, Hermann R, Khoo TL, Lauritsen T, Penttilä HT, Ciszewski L, Zhang CT. Conversion electron spectroscopy at the fragment mass analyzer focal plane: Studies of isomeric decays near the proton drip line. Phys Rev C Nucl Phys 1995; 52:1355-1360. [PMID: 9970640 DOI: 10.1103/physrevc.52.1355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Dossing T, Khoo TL, Lauritsen T, Ahmad I, Blumenthal D, Carpenter MP, Crowell B, Gassmann D, Henry RG, Janssens RV, Nisius D. Effects of pair correlations in statistical gamma -decay spectra. Phys Rev Lett 1995; 75:1276-1279. [PMID: 10060252 DOI: 10.1103/physrevlett.75.1276] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Fallon P, Beausang CW, Asztalos S, Nisius D, Janssens RV, Bergstrom M, Carpenter M, Cederwall B, Clarke S, Crowell B, Deleplanque MA, Diamond RM, Henry RG, Khoo TL, Lauritsen T, Lee IY, Macchiavelli AO, Stephens FS, Twin PJ. Proton and neutron excitations in superdeformed 150Tb. Phys Rev C Nucl Phys 1995; 52:93-98. [PMID: 9970485 DOI: 10.1103/physrevc.52.93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Carpenter MP, Janssens RV, Cederwall B, Crowell B, Ahmad I, Becker JA, Brinkman MJ, Deleplanque MA, Diamond RM, Fallon P, Farris LP, Garg U, Gassmann D, Henry EA, Henry RG, Hughes JR, Khoo TL, Lauritsen T, Lee IY, Machiavelli AO, Moore EF, Nisius D, Stephens FS. Identification of the unfavored N=7 superdeformed band in 191Hg. Phys Rev C Nucl Phys 1995; 51:2400-2405. [PMID: 9970322 DOI: 10.1103/physrevc.51.2400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Crowell B, Carpenter MP, Janssens RV, Blumenthal DJ, Timar J, Wilson AN, Sharpey-Schafer JF, Nakatsukasa T, Ahmad I, Astier A, Azaiez F, Gall BJ, Hannachi F, Khoo TL, Korichi A, Lauritsen T, Lopez-Martens A, Meyer M, Nisius D, Paul ES, Porquet MG, Redon N. Relative spins and excitation energies of superdeformed bands in 190Hg: Further evidence for octupole vibration. Phys Rev C Nucl Phys 1995; 51:R1599-R1603. [PMID: 9970306 DOI: 10.1103/physrevc.51.r1599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Nisius D, Janssens RV, Khoo TL, Ahmad I, Blumenthal D, Carpenter MP, Crowell B, Gassmann D, Lauritsen T, Ma WC, Hamilton JH, Ramayya AV, Bhattacharyya P, Zhang CT, Daly PJ, Grabowski ZW, Mayer RH. Superdeformed band in 154Dy. Phys Rev C Nucl Phys 1995; 51:R1061-R1064. [PMID: 9970222 DOI: 10.1103/physrevc.51.r1061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Moore EF, Carpenter MP, Liang Y, Janssens RV, Ahmad I, Bearden IG, Daly PJ, Drigert MW, Fornal B, Garg U, Grabowski ZW, Harrington HL, Henry RG, Khoo TL, Lauritsen T, Mayer RH, Nisius D, Reviol W, Sferrazza M. Collectivity of dipole bands in 196Pb. Phys Rev C Nucl Phys 1995; 51:115-124. [PMID: 9970044 DOI: 10.1103/physrevc.51.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Freeman SJ, Smith AG, Warburton SJ, Back BB, Bearden IG, Blumenthal DJ, Carpenter MP, Crowell B, Davids CN, Henderson D, Janssens RV, Khoo TL, Lauritsen T, Lister CJ, Nisius D, Penttilä HT, Becker JA, Chowdhury P, Moore EF. Low-lying structure of the neutron-deficient isotope 202Rn. Phys Rev C Nucl Phys 1994; 50:R1754-R1758. [PMID: 9969910 DOI: 10.1103/physrevc.50.r1754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Baxter AM, Byrne AP, Dracoulis GD, Janssens RV, Bearden IG, Henry RG, Nisius D, Davids CN, Khoo TL, Lauritsen T, Penttilä H, Henderson DJ, Carpenter MP. Spectroscopy of 186Pb with mass identification. Phys Rev C Nucl Phys 1993; 48:R2140-R2143. [PMID: 9969120 DOI: 10.1103/physrevc.48.r2140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Moore EF, Liang Y, Janssens RV, Carpenter MP, Ahmad I, Bearden IG, Daly PJ, Drigert MW, Fornal B, Garg U, Grabowski ZW, Harrington HL, Henry RG, Khoo TL, Lauritsen T, Mayer RH, Nisius D, Reviol W, Sferrazza M. Spectroscopy of the superdeformed band in 196Pb. Phys Rev C Nucl Phys 1993; 48:2261-2269. [PMID: 9969079 DOI: 10.1103/physrevc.48.2261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Nisius D, Fornal B, Bearden IG, Broda R, Mayer RH, Grabowski ZW, Daly PJ, Davids CN, Ahmad I, Back BB, Bindra K, Carpenter MP, Chung W, Henderson D, Henry RG, Janssens RV, Khoo TL, Lauritsen T, Liang Y, Soramel F, Ramayya AV. Yrast isomers in exotic N=81 nucleus 151Yb studied using a fragment mass analyzer. Phys Rev C Nucl Phys 1993; 47:1929-1932. [PMID: 9968646 DOI: 10.1103/physrevc.47.1929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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