Selected Publications

Octupole Correlations in Nuclei

Review articles

"Octupole Shapes in Nuclei"

I. Ahmad and P.A. Butler

Annu. Rev. Nucl. Part. Sci. 43 (1993) 71

"Intrinsic reflection asymmetry in atomic nuclei"

P.A. Butler and W. Nazarewicz

Rev. Mod. Phys. 68 (1996) 349

“Octupole collectivity in nuclei “

P.A. Butler

J. Phys. G: Nucl. Part. Phys. 43 (2016) 073002

“Pear-shaped atomic nuclei”

P.A. Butler

Proc. Roy. Soc. A 476 (2020) 20200202; https://doi.org/10.1098/rspa.2020.0202

“Studies of reflection asymmetry in heavy nuclei”

P. A. Butler

Phys. Scr. 99 (2024) 035302 https://doi.org/10.1088/1402-4896/ad22c9

E3 moments

“Information on Octupole Correlations in Nuclei from γ-ray Spectroscopy”

P A Butler

Proceedings of the 20th Mikolajki Summer School on Nuclear Physics, 1988, ed. Z. Wilhelmi and G. Szeflinska, published by Hilger (Bristol), pp 295-311

“Coulomb Excitation of ²²⁶Ra”

H.J.Wollersheim, H.Emling, H.Grein, R.Kulessa, R.S.Simon, C.Fleischmann, J. De Boer, E.Hauber, C.Lauterbach, C.Schandera, P.A.Butler, T.Czosnyka

Nucl. Phys. A 556 (1993) 261

“Octupole Collectivity in the Ground Band of ¹⁴⁸Nd”

R.Ibbotson, C.A.White, T.Czosnyka, P.A.Butler, N.Clarkson, D.Cline, R.A.Cunningham, M.Devlin, K.G.Helmer, T.H.Hoare, J.R.Hughes, G.D.Jones, A.E.Kavka, B.Kotlinski, R.J.Poynter, P.Regan, E.G.Vogt, R.Wadsworth, D.L.Watson, and C.Y.Wu

Phys. Rev. Lett. 71 (1993) 1990

“Quadrupole and octupole collectivity in ¹⁴⁸Nd”

R.W. Ibbotson, C.A. White, T. Czosnyka, P.A. Butler, N. Clarkson, D. Cline, R.A. Cunningham, M. Devlin, K.G. Helmer, T.H. Hoare, J.R. Hughes, G.D. Jones, A.E. Kavka, B. Kotlinski, R.J. Poynter, P.H. Regan, E.G. Vogt, R. Wadsworth, D.L. Watson, C.Y. Wu

Nucl. Phys A 619 (1997) 213

“Studies of pear-shaped nuclei using accelerated radioactive beams”

Gaffney LP, Butler PA, Scheck M, Hayes AB, Wenander F, Albers M, Bastin B, Bauer C, Blazhev A, Bönig S, Bree N, Cederkäll J, Chupp T, Cline D, Cocolios TE, Davinson T, De Witte H, Diriken J, Grahn T, Herzan A, Huyse M, Jenkins DG, Joss DT, Kesteloot N, Konki J, Kowalczyk M, Kröll Th, Kwan E, Lutter R, Moschner K, Napiorkowski P, Pakarinen J, Pfeiffer M, Radeck D, Reiter P, Reynders K, Rigby SV, Robledo LM, Rudigier M, Sambi S, Seidlitz M, Siebeck B, Stora T, Thoele P, Van Duppen P, Vermeulen MJ, von Schmid M, Voulot D, Warr N, Wimmer K, Wrzosek-Lipska K, Wu CY and Zielinska M

Nature 497 (2013) 199

Link to media articles on this paper

One of the Physics World top ten breakthroughs of 2013

“Quadrupole-octupole coupling in the light actinides”

L.M. Robledo and P.A. Butler

Phys. Rev. C 88 (2013) 051302(R)

“Direct Evidence of Octupole Deformation in Neutron-Rich ¹⁴⁴Ba”

B. Bucher, S. Zhu, C. Y. Wu, R. V. F. Janssens, D. Cline, A. B. Hayes, M. Albers, A. D. Ayangeakaa, P. A. Butler, C. M. Campbell, M. P. Carpenter, C. J. Chiara, J. A. Clark, H. L. Crawford, M. Cromaz, H. M. David, C. Dickerson, E. T. Gregor, J. Harker, C. R. Hoffman, B. P. Kay, F. G. Kondev, A. Korichi, T. Lauritsen, A. O. Macchiavelli, R. C. Pardo, A. Richard, M. A. Riley, G. Savard, M. Scheck, D. Seweryniak, M. K. Smith, R. Vondrasek, and A. Wiens

Phys. Rev. Lett. 116 (2016) 112503

“Evolution of Octupole Deformation in Radium nuclei from Coulomb Excitation of Radioactive ²²²Ra and ²²⁸Ra Beams”

P.A. Butler, L.P. Gaffney, P. Spagnoletti, K. Abrahams, M. Bowry, J .Cederkäll, G. de Angelis, H. De Witte, P.E. Garrett, A. Goldkuhle, C. Henrich, A. Illana, K. Johnston, D.T. Joss, J.M. Keatings, N.A. Kelly, M. Komorowska, J. Konki, T. Kröll, M. Lozano, B.S. Nara Singh, D. O’Donnell, J. Ojala, R.D. Page, L.G. Pedersen, C. Raison, P. Reiter, J.A. Rodriguez, D. Rosiak, S. Rothe, M. Scheck, M. Seidlitz, T.M. Shneidman, B. Siebeck, J. Sinclair, J.F. Smith, M. Stryjczyk, P. Van Duppen, S. Vinals, V. Virtanen, N. Warr, K. Wrzosek-Lipska, and M. Zielinska

Phys. Rev. Lett. 124 (2020) 042503

“Coulomb excitation of ²²²Rn”

P. Spagnoletti, P.A. Butler, L.P. Gaffney K. Abrahams, M. Bowry, J .Cederkäll, T. Chupp, G. de Angelis, H. De Witte, P.E. Garrett, A. Goldkuhle, C. Henrich, A. Illana, K. Johnston, D.T. Joss, J.M. Keatings, N.A. Kelly, M. Komorowska, J. Konki, T. Kröll, M. Lozano, B.S. Nara Singh, D. O’Donnell, J. Ojala, R.D. Page, L.G. Pedersen, C. Raison, P. Reiter, J.A. Rodriguez, D. Rosiak, S. Rothe, M. Scheck, M. Seidlitz, T.M. Shneidman, B. Siebeck, J. Sinclair, J.F. Smith, M. Stryjczyk, P. Van Duppen, S. Vinals, V. Virtanen, N. Warr, K. Wrzosek-Lipska, and M. Zielinska

Phys. Rev. C 105 (2022) 024323

E1 Moments

"Observation of unexpectedly small E1 moments in ²²⁴Ra"

R J Poynter, P A Butler, N Clarkson, D Cline, K A Connell, R A Cunningham, L Goettig, T H Hoare, J R Hughes, N S Jarvis, G D Jones, S Juutinen, S M Mullins, C N Pass, J Simpson, R Wadsworth, D L Watson and C A White

Phys. Lett. B 232 (1989) 447

"Intrinsic dipole moments in reflection - asymmetric nuclei"

P A Butler and W Nazarewicz

Nucl. Phys. A 533 (1991) 249

“Measurement of the E1/E3 phase in ²²⁶Ra”

N. Amzal, P. A. Butler, D. Hawcroft, N. J. Hammond, R. -D. Herzberg, G. D. Jones, C. Scholey, O. Stezowski, T. Czosnyka, J. Iwanicki, P. J. Napiorkowski, R. Julin, H. Mach, J. Cerderkäll, L. M. Fraile, H. O. U. Fynbo and ISOLDE Collaboration

Nucl. Phys. A 734 (2004) 465

Odd-mass nuclei and parity doublets

"Alternating parity bands and octupole effects in ²²¹Th and ²²³Th"

M Dahlinger, E Kankeleit, D Habs, D Schwalm, B Schwartz, R Simon, J D Burrows and P A Butler

Nucl. Phys. A 484 (1988) 337

"Octupole correlations in ²²⁵Th"

J R Hughes, R Tölle, J de Boer, P A Butler, C Günther, V Grafen, N Gollwitzer, V E Holliday, G D Jones, C Lauterbach, M Marten-Tölle, S M Mullins, R J Poynter, R S Simon, N Singh, R J Tanner, R Wadsworth, D L Watson, C A White

Nucl. Phys. A 512 (1990) 275

"Lifetimes of states in the opposite-parity bands of ¹⁵³Eu: recoil distance measurements following Coulomb excitation"

J.F. Smith, M.W. Simon, R.W. Ibbotson, P.A. Butler, A. Aprahamian, A.M. Bruce, D. Cline, M. Devlin, G.D. Jones, P.M. Jones, and C.Y. Wu

Phys. Rev. C 58 (1998) 3171

“Observation of K = 1/2 octupole deformed bands in ²²⁷Th^”

N. J. Hammond, G. D. Jones, P. A. Butler, R. D. Humphreys , P. T. Greenlees, P. M. Jones, R. Julin, S. Juutinen, A. Keenan, H. Kettunen, P. Kuusiniemi, M. Leino, M. Muikku, P. Nieminen, P. Rahkila, J. Uusitalo and S. V. Khlebnikov

Phys Rev 65 (2002) 064315

Octupole behaviour under rotations

"A level scheme for ²²⁰Ra"

J D Burrows, P A Butler, K A Connell, A N James, G D Jones, A M Y El-Lawindy, T P Morrison, J Simpson and R Wadsworth

J. Phys. G. Nucl. Phys. 10 (1984) 1449

"High-spin states in ^224,226,228Th and the systematics of octupole effects in even Th isotopes"

P Schüler, Ch Lauterbach, Y K Agarwal, J de Boer, K P Blume, P A Butler, K Euler, Ch Fleischmann, C Gunther, E Hauber, J H Maier, M Marten-Tölle, Ch Schandera, R S Simon, R Tölle and P Zeyen

Phys. Lett. B 174 (1986) 241

"Contrasting Behavior in Octupole Structures Observed at High Spin in ²²⁰Ra and ²²²Th"

J.F. Smith, J.F.C. Cocks, N. Schulz, M. Aïche, M. Bentaleb, P.A. Butler, F. Hannachi, G.D. Jones, P.M. Jones, R. Julin, S. Juutinen, R. Kulessa, E. Lubkiewicz, A. P»ochocki, F. Riess, E. Ruchowska, A. Savelius, J.C. Sens, J Simpson, and E. Wolf

Phys. Rev. Lett. 75 (1995) 1050

"Observation of Octupole Structures in Radon and Radium Isotopes and Their Contrasting Behaviour at High Spin"

J.F.C. Cocks, P.A. Butler, K.J. Cann, P.T. Greenlees, G.D. Jones, S. Asztalos, P. Bhattacharyya, R. Broda, R.M. Clark, M.A. Deleplanque, R.M. Diamond, P. Fallon, B. Fornal, P.M. Jones, R. Julin, T. Lauritsen, I.Y. Lee, A.O. Machiavelli, R.W. Macleod, J.F. Smith, F.S. Stephens, and C.T. Zhang

Phys. Rev. Lett. 78 (1997) 2920

"First observation of excited states in ²²⁶U"

P.T. Greenlees, N. Amzal, P.A. Butler, K.J. Cann, J.F.C. Cocks, D.Hawcroft, G. D. Jones, R.D. Page, A. Andreev, T. Enqvist, P. Fallon, B. Gall, M. Guttormsen, K. Helariutta, F. Hoellinger, P.M. Jones, R. Julin, S. Juutinen, H. Kankaapää, H. Kettunen, P.Kuusiniemi, M. Leino, S. Messelt, M. Muikku, A. Savelius, A. Schiller, S. Siem, W.H. Trzaska, T. Tveter and J. Uusitalo

J. Phys. G: Nucl. Part. Phys. 24 (1998) L63

"Spectroscopy of Rn, Ra and Th isotopes using multi-nucleon transfer reactions"

J.F.C. Cocks, D. Hawcroft, N. Amzal, P.A. Butler, K.J. Cann, P.T. Greenlees, G.D.Jones, S. Asztalos, R.M. Clark, M.A. Deleplanque, R. M. Diamond, P. Fallon, I.Y. Lee, A.O. Macchiavelli, R.W. Macleod, F.S. Stephens, P. Jones, R. Julin, R. Broda, B. Fornal, J.F. Smith, T. Lauritsen, P. Bhattacharyya, C.T. Zhang

Nucl. Phys. A 645 (1999) 61

“The observation of vibrating pear-shapes in radon nuclei”

P.A. Butler, L.P. Gaffney, P. Spagnoletti, J. Konki, M. Scheck, J.F. Smith, K. Abrahams, M. Bowry, J. Cederkäll, T. Chupp, G. de Angelis, H. De Witte, P.E. Garrett, A. Goldkuhle, C. Henrich, A. Illana, K. Johnston, D.T. Joss, J.M. Keatings, N. A. Kelly, M. Komorowska, T. Kröll, M. Lozano, B.S. Nara Singh, D. O'Donnell, J. Ojala, R.D. Page, L.G. Pedersen, C. Raison, P. Reiter, J.A. Rodriguez, D. Rosiak, S. Rothe, T.M. Shneidman, B. Siebeck, M. Seidlitz, J. Sinclair, M. Stryjczyk, P. Van Duppen, S. Vinals, V. Virtanen, N. Warr, K. Wrzosek-Lipska, and M. Zielinska

Nat. Comm. 10 (2019) 2473; https://doi.org/10.1038/s41467-019-10494-5

Addendum: Nat. Comm. 11 (2020) 3560; https://doi.org/10.1038/s41467-020-17309-y

Alpha-decay to low-lying states

"Low lying structure of ²¹⁵Rn and ²¹⁹Ra"

A M Y El-Lawindy, J D Burrows, P A Butler, J R Cresswell, V Holliday, G D Jones, R Tanner, R Wadsworth, D L Watson, K A Connell, J Simpson, C Lauterbach and J R Mines

J. Phys. G. Nucl. Phys. G13 (1987) 93-101

"Studies of octupole structures in the isotopes ^220,222Rn populated via alpha-decay"

R J Poynter, P A Butler, G D Jones, R J Tanner, C A White, J R Hughes, S M Mullins, R Wadsworth, D L Watson and J Simpson

J. Phys. G 15 (1989) 449

"Level structure of ²¹⁷Rn and ²²¹Ra investigated in the alpha-decay ²²⁵Th-²²¹Ra-²¹⁷Rn"

B Ackermann, T Bihn, P A Butler, V Grafen, C Günther, J R Hughes, G D Jones, Ch Lauterbach, H J Maier, M Marten-Tölle, R Wadsworth, D L Watson and C A White

Zeichschift für Physik A332 (1989) 375-381

"A study of ²²³Th populated by a-decay"

T H Hoare, P A Butler, G D Jones, M Loiselet, O Naviliat-Cuncic, J Vervier, M Dahlinger, A M Y El-Lawindy, R Wadsworth and D L Watson

J. Phys. G. 17 (1991) 145

"A study of ²²³Ra populated by alpha-decay"

G.D. Jones, P.A. Butler, T.H. Hoare, P.M. Jones

Eur. Phys. J A 2 (1998) 129

“Fine Structure in the alpha decays of ²²⁶U and ²³⁰Pu”

P.T. Greenlees, P. Kuusiniemi, N. Amzal, A. Andreyev, P.A. Butler, K.J. Cann, J.F.C. Cocks, O. Dorvaux, T. Enqvist, P. Fallon, B. Gall, M. Guttormsen, D. Hawcroft, K. Helariutta, F.P. Hessberger, F. Hoellinger, G.D. Jones, P. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, M. Leino, S. Messelt, M. Muikku, S. Ødegård, R.D. Page, A. Savelius, A. Schiller, S. Siem, W.H. Trzaska, T. Tveter, J. Uusitalo

Eur. Phys. J. A 6 (1999) 269

Superheavy Nuclei

Ground-state rotational structure

“Ground-State Band and Deformation of the Z=102 Isotope ²⁵⁴No”

P Reiter, T.L. Khoo, C.J. Lister, S. Seweryniak, I. Ahmad, M. Alcorta, M.P. Carpenter, J.A. Cizewski, C.N. Davids, G. Gervais, J.P. Greene, W.F. Henning, R.V.F. Janssens, Y. Lauritsen, S. Siem, A.A. Sonzogni, D. Sullivan, J. Uusitalo, I. Wiedenhöver, N. Amzal, P.A. Butler, A.J. Chewter, K.Y. Ding, N. Fotiades, J.D. Fox, P.T. Greenlees, R.-D. Herzberg, G.D. Jones, W. Korten, M. Leino, K. Vetter

Phys. Rev. Lett. 82 (1999) 509.

“In-beam Study of ²⁵⁴No”

M. Leino, H. Kankaanpää, R.-D. Herzberg, A.J. Chewter, F.P. Heßberger, Y. Le Coz, F. Becker, P.A. Butler, J.F.C. Cocks, O. Dorvaux, K. Eskola, J. Gerl, P.T. Greenlees, K. Helariutta, M. Houry, G.D. Jones, P. Jones, R. Julin, S. Juutinen, H. Kettunen, T.L. Khoo, A. Kleinböhl, W. Korten, P. Kuusiniemi, R. Lucas, M. Muikku, P. Nieminen, R.D. Page, P. Rahkila, P. Reiter, A. Savelius, Ch. Schlegel, Ch. Theisen, W.H. Trzaska, H.-J. Wollersheim

Eur. Phys. J A 6 (1999) 63

“In-beam spectroscopy of ^{253, 254}No”

R.-D. Herzberg, N. Amzal, J.E. Bastin, F. Becker, P.M.T. Brew, P.A. Butler, A.J.C. Chewter, J.F.C. Cocks, O. Dorvaux, K. Eskola, J. Gerl, P.T. Greenlees, N.J. Hammond, K. Hauschild, K. Helariutta, F. Heßberger, M. Houry, A. Hürstel, R.D. Humphreys, G.D. Jones, P.M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, T.L. Khoo, W. Korten, P. Kuusiniemi, Y. Le Coz, M. Leino, A.P. Leppänen C.J. Lister, R. Lucas, M. Muikku, P. Nieminen, R.D. Page, T. Page, P. Rahkila, P. Reiter, Ch. Schlegel, C. Scholey, G. Sletten, O. Stezowski, Ch. Theisen, W.H. Trzaska, J. Uusitalo, H.J. Wollersheim:

Eur Phys J A 15 (2002) 205

“Spectroscopy of transfermium nuclei: ²⁵²No”

R.-D. Herzberg, N. Amzal, F. Becker, P. A. Butler, A. J. C. Chewter, J. F. C. Cocks, O. Dorvaux, K. Eskola, J. Gerl, P. T. Greenlees, N. J. Hammond, K. Hauschild, K. Helariutta, F. Heßberger, M. Houry, G. D. Jones, P. M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, T.L. Khoo, W. Korten, P. Kuusiniemi, Y. Le Coz, M. Leino, C. J. Lister, R. Lucas, M. Muikku, P. Nieminen, R. D. Page, P. Rahkila, P. Reiter, Ch. Schlegel, C. Scholey, O. Stezowski, Ch. Theisen, W. H. Trzaska, J. Uusitalo, and H. J. Wollersheim

Phys Rev C 65 (2002) 014303

“Structure of the Odd-A, Shell-Stabilized Nucleus ²⁵³No”

P. Reiter, T. L. Khoo, I. Ahmad, A.V. Afanasjev, A. Heinz, T. Lauritsen, C. J. Lister, D. Seweryniak,

P. Bhattacharyy, P. A. Butler, M. P. Carpenter, A. J. Chewter, J. A. Cizewski, C. N. Davids, J. P. Greene, P. T. Greenlees, K. Helariutta, R.-D. Herzberg, R.V. F. Janssens, G. D. Jones, R. Julin, H. Kankaanpää, H. Kettunen, F. G. Kondev, P. Kuusiniemi, M. Leino, S. Siem, A. A. Sonzogni, J. Uusitalo, and I. Wiedenhöver

Phys. Rev. Lett. 95 (2005) 32501

“In-beam gamma ray and conversion electron study of ²⁵⁰Fm”

J. E. Bastin, R.-D. Herzberg, P. A. Butler, G. D. Jones, R. D. Page, D. G. Jenkins, N. Amzal, P. M. T. Brew, N. J. Hammond, R. D. Humphreys, P. J. C. Ikin, T. Page, P. T. Greenlees, P. M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, A. Keenan, H. Kettunen, P. Kuusiniemi, M. Leino, A. P. Leppänen, M. Muikku, P. Nieminen, P. Rahkila, C. Scholey, J. Uusitalo, E. Bouchez, A. Chatillon, A. Hürstel, W. Korten, Y. Le Coz, Ch. Theisen, D. Ackermann, J. Gerl, K. Helariutta, F. P. Hessberger, Ch. Schlegel, H. J. Wollerscheim, M. Lach, A. Maj, W. Meczynski, J. Styczen, T. L. Khoo, C. J. Lister, A. V. Afanasjev, H. J. Maier, P. Reiter, P. Bednarczyc, K. Eskola, and K. Hauschild

Phys. Rev. C 73 (2006) 024308

“Observation of a Rotational Band in the Odd-Z Transfermium Nucleus ²⁵¹Md”

A. Chatillon, Ch. Theisen, E. Bouchez, P. A. Butler, E. Clément, O. Dorvaux, S. Eeckhaudt, B. J. P. Gall, A. Görgen, T. Grahn, P. T. Greenlees, R.-D. Herzberg, F. Heßberger, A. Hürstel, G. D. Jones, P. Jones, R. Julin, S. Juutinen, H. Kettunen, F. Khalfallah, W. Korten, Y. Le Coz, M. Leino, A.-P. Leppänen, P. Nieminen, J. Pakarinen, J. Perkowski, P. Rahkila, M. Rousseau, C. Scholey, J. Uusitalo, and J. N. Wilson

Phys. Rev. Lett. 98 (2007) 132503

"Structure of rotational bands in ²⁵³No"

R. -D. Herzberg, S. Moon, S. Eeckhaudt, P. T. Greenlees, P. A. Butler, T. Page, A. V. Afanasjev, N. Amzal, J. E. Bastin, F. Becker, M. Bender, B. Bruyneel, J. F. C. Cocks, I. G. Darby, O. Dorvaux, K. Eskola, J. Gerl, T. Grahn, C. Gray-Jones, N. J. Hammond, K. Hauschild, P. -H. Heenen, K. Helariutta, 7, A. Herzberg, F. Hessberger, M. Houry, A. Hürstel, R. D. Humphreys, G. D. Jones, P. M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, T. L. Khoo1, W. Korten, P. Kuusiniemi, Y. LeCoz, M. Leino, A. -P. Leppänen, C. J. Lister1, R. Lucas, M. Muikku, P. Nieminen, M. Nyman, R. D. Page, T. Page, J. Pakarinen, 2, A. Pritchard, P. Rahkila, P. Reiter, M. Sandzelius, J. Saren, Ch. Schlegel, C. Scholey, Ch. Theisen, W. H. Trzaska, J. Uusitalo, A. Wiens and H. J. Wollersheim

Eur. Phys. J. A 42 (2009) 333

High-K band structure

“Conversion Electron Cascades in ²⁵⁴No”

P. A. Butler, R. D. Humphreys, P. T. Greenlees, R.-D. Herzberg, D. G. Jenkins, G. D. Jones, H. Kankaanpää, H. Kettunen, P. Rahkila, C. Scholey, J. Uusitalo, N. Amzal, J. E. Bastin, P. M. T. Brew, K. Eskola, J. Gerl, N. J. Hammond, K. Hauschild, K. Helariutta, F.-P. Heßberger, A. Hürstel, P. M. Jones, R. Julin, S. Juutinen, A. Keenan, T.-L. Khoo, W. Korten, P. Kuusiniemi, Y. Le Coz, M. Leino, A.-P. Leppänen, M. Muikku, P. Nieminen, S. W. Ødegård, T. Page, J. Pakarinen, P. Reiter, G. Sletten, Ch. Theisen, and H.-J. Wollersheim,

Phys. Rev. Lett. 89 (2002) 202501

“High K Bands in Mid-Supershell Nuclei”

P.A. Butler, R.D. Humphreys, P.T. Greenlees, R.-D. Herzberg, D.G. Jenkins, G.D. Jones, H. Kankaanpaeae, H. Kettunen, P. Rahkila, C. Scholey, J. Uusitalo, N. Amzal, C. Andreoiu, A. Andreyev, D. Appelbe, J.E. Bastin, P.M.T. Brew, K. Eskola, S.J. Freeman, J. Gerl, N.J. Hammond, K. Hauschild, K. Helariutta, F.-P. Hessberger, A. Huerstel, P.J.C. Ikin, P.M. Jones, D.T. Joss, R. Julin, S. Juutinen, A. Keenan, T.-L. Khoo, W. Korten, P. Kuusiniemi, Y. Le Coz, M. Leino, A.-P. Leppaenen, M. Muikku, P. Nieminen, S.W. Odegard, R.D. Page, T. Page, J. Pakarinen, P. Reiter, J. Simpson, G. Sletten, Ch. Theisen, B.J. Varley, H.-J. Wollersheim

Acta Physica Polonica B 34 (2003) 2107

“Nuclear isomers in superheavy elements as stepping stones towards the island of stability”

R.-D. Herzberg, P. T. Greenlees, P. A. Butler, G. D. Jones, M. Venhart, I. G. Darby, S. Eeckhaudt, K. Eskola, T. Grahn, C. Gray-Jones, F. P. Hessberger, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, W. Korten, M. Leino, A.-P. Leppänen, S. Moon, M. Nyman, R. D. Page, J. Pakarinen, A. Pritchard, P. Rahkila, J. Sarén, C. Scholey, A. Steer, Y. Sun, Ch. Theisen, J. Uusitalo

Nature 442 (2006) 896

“High-K structure in ²⁵⁰Fm and the deformed shell gaps at N=152 and Z=100”

P. T. Greenlees, R.-D. Herzberg, S. Ketelhut, P. A. Butler, P. Chowdhury, T. Grahn, C. Gray-Jones, G. D. Jones, P. Jones, R. Julin, S. Juutinen, T.-L. Khoo, M. Leino, S. Moon, M. Nyman, J. Pakarinen, P. Rahkila, D. Rostron, J. Sarén, C. Scholey, J. Sorri, S. K. Tandel, J. Uusitalo, and M. Venhart

Phys. Rev. C 78 (2008) 021303(R)

Quadrupole Shapes in Nuclei

"Triaxial shapes in the light La nuclei"

P A Butler, J Meyer-ter-Vehn, D Ward, H Bertschat, P Colombani, R M Diamond and F S Stephens

Phys. Letts. 56B (1975) 453-6.

"Determination of gamma softness in ^192,194,196Pt from Coulomb excitation with ¹³⁶Xe projectiles"

I Y Lee, D Cline, P A Butler, R M Diamond, J O Newton, R S Simon and F S Stephens

Phys. Rev. Letts. 39 (1977) 684-7

“Measurement of the sign of the spectroscopic quadrupole moment for the 2⁺ state in ⁷⁰Se: no evidence for oblate shape”

A. M. Hurst, P. A. Butler, D. G. Jenkins, P. Delahaye, F. Wenander, F. Ames, C. J. Barton, T. Behrens, A. Bürger, J. Cederkäll, E. Clément, T. Czosnyka, T. Davinson, G. de Angelis, J. Eberth, A. Ekström, S. Franchoo, G. Georgiev, A. Görgen, R.-D. Herzberg, M. Huyse, O. Ivanov, J. Iwanicki, G. D. Jones, P. Kent, U. Köster, T. Kröll, R. Krücken, A. C. Larsen, M. Nespolo, M. Pantea, E. S. Paul, M. Petri, H. Scheit, T. Sieber, S. Siem, J. F. Smith, A. Steer, I. Stefanescu, N. U. H. Syed, J. Van de Walle, P. Van Duppen, R. Wadsworth, N. Warr, D. Weisshaar, and M. Zielinska

Phys. Rev. Lett. 98 (2007) 072501

"Evolution of collectivity in ¹⁸⁰Hg and ¹⁸²Hg"

T. Grahn, A. Petts, M. Scheck, P. A. Butler, A. Dewald, M. B. Gómez Hornillos, P. T. Greenlees, A. Görgen, K. Helariutta, J. Jolie, P. Jones, R. Julin, S. Juutinen, S. Ketelhut, R. Krücken, T. Kröll, M. Leino, J. Ljungvall, P. Maierbeck, B. Melon, M. Nyman, R. D. Page, Th. Pissulla, P. Rahkila, J. Sarén, C. Scholey, A. Semchenkov, J. Sorri, J. Uusitalo, R. Wadsworth, and M. Zielinska

Phys. Rev. C 80 (2009) 014324

“Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in ^184,186Hg and two-state mixing calculations”

L. P. Gaffney, M. Hackstein, R. D. Page, T. Grahn, M. Scheck, P. A. Butler, P. F. Bertone, N. Bree, R. J. Carroll, M. P. Carpenter, C. J. Chiara, A. Dewald, F. Filmer, C. Fransen, M. Huyse, R. V. F. Janssens, D. T. Joss, R. Julin, F. G. Kondev, P. Nieminen, J. Pakarinen, S. V. Rigby, W. Rother, P. Van Duppen, H. V. Watkins, K. Wrzosek-Lipska, and S. Zhu

Phys. Rev. C 89 (2014) 024307

“Shape Coexistence in the Neutron-Deficient Even-Even ^182−188Hg Isotopes Studied via Coulomb Excitation”

N. Bree, K. Wrzosek-Lipska, A. Petts, A. Andreyev, B. Bastin, M. Bender, A. Blazhev, B. Bruyneel, P. A. Butler, J. Butterworth, M. P. Carpenter, J. Cederkäll, E. Clément, T. E. Cocolios, A. Deacon, J. Diriken, A. Ekström, C. Fitzpatrick, L. M. Fraile, Ch. Fransen, S. J. Freeman, L. P. Gaffney, J. E. García-Ramos, K. Geibel, R. Gernhäuser, T. Grahn, M. Guttormsen, B. Hadinia,K. Hadyńska-Klek, M. Hass, P.-H. Heenen, R.-D. Herzberg, H. Hess, K. Heyde, M. Huyse, O. Ivanov, D. G. Jenkins, R. Julin, N. Kesteloot, Th. Kröll, R. Krücken, A. C. Larsen, R. Lutter, P. Marley, P. J. Napiorkowski, R. Orlandi, R. D. Page, J. Pakarinen, N. Patronis, P. J. Peura, E. Piselli, P. Rahkila, E. Rapisarda, P. Reiter, A. P. Robinson, M. Scheck, S. Siem, K. Singh Chakkal, J. F. Smith, J. Srebrny, I. Stefanescu, G. M. Tveten, P. Van Duppen, J. Van de Walle, D. Voulot, N. Warr, F. Wenander, A. Wiens, J. L. Wood, and M. Zielińska

Phys. Rev. Letts. 112 (2014) 162701

“Electromagnetic properties of low-lying states in neutron deficient Hg isotopes: Coulomb excitation of ¹⁸²Hg, ¹⁸⁴Hg, ¹⁸⁶Hg and ¹⁸⁸Hg”

K. Wrzosek-Lipska, K. Rezynkina, N. Bree, M. Zielińska, L.P. Gaffney, A. Petts, A. Andreyev, B. Bastin, M. Bender, A. Blazhev, B. Bruyneel, P.A. Butler, M.P. Carpenter, J. Cederkäll, E. Clément, T.E. Cocolios, A.N. Deacon, J. Diriken, A. Ekström, C. Fitzpatrick, L.M. Fraile, Ch. Fransen, S.J. Freeman, J.E. García-Ramos, K. Geibel, R. Gernhäuser, T. Grahn, M. Guttormsen, B. Hadinia, K. Hadyńska-Klek, M. Hass, P.-H. Heenen, R.-D. Herzberg, H. Hess, K. Heyde, M. Huyse, O. Ivanov, D.G. Jenkins, R. Julin, N. Kesteloot, Th. Kröll, R. Krücken, A.C. Larsen, R. Lutter, P. Marley, P.J. Napiorkowski, R. Orlandi, R.D. Page, J. Pakarinen, N. Patronis, P.J. Peura, E. Piselli, L. Próchniak, P. Rahkila, E. Rapisarda, P. Reiter, A.P. Robinson, M. Scheck, S. Siem, K. Singh Chakkal, J.F. Smith, J. Srebrny, I. Stefanescu, G.M. Tveten, P. Van Duppen, J. Van de Walle, D. Voulot, N. Warr, A. Wiens, and J.L. Wood

Eur. Phys. J. A 55 (2019) 130

High-Spin Structures

"High spin states in ^127,129La: A test of backbending in the even Ba and Ce nuclei"

D Ward, H Bertschat, P A Butler, P Colombani, R M Diamond and F S Stephens

Phys. Letts. B 56 (1975) 139-142

"Reduced transition probabilities for high spin states in ²³²Th"

M W Guidry, P A Butler, P Colombani, I Y Lee, D Ward, R M Diamond, F S Stephens, E Eichler, N R Johnson and R Sturm

Nucl. Phys. A 266 (1976) 228-52

"High spin states of ^174,176Yb studied in Coulomb excitation with Kr and Xe beams"

D Ward, P Colombani, I Y Lee, P A Butler, R Simon, R M Diamond and F S Stephens

Nucl. Phys. A 266 (1976) 194-214.

"Coulomb excitation into the backbend region of ¹⁶⁴Er"

I Y Lee, D Cline, R S Simon, P A Butler, P Colombani, M W Guidry, F S Stephens, R M Diamond, N R Johnson and E Eichler

Phys. Rev. Letts. 37 (1976) 420-3

"Coulomb-nuclear interference for high-spin states excited by ⁸⁶Kr, ⁴⁰Ar and ¹⁶O projectiles"

M W Guidry, P A Butler, R Donangelo, E Grosse, J de Boer, Y El-Masri, I Y Lee, F S Stephens, R M Diamond, L L Riedinger, C R Bingham, A C Kahler, J Verbu, E Robinson and N R Johnson

Phys. Rev. Letts. 40 (1978) 1016-9

"High spin precursors of the J =19/2^- isomer in ⁴³Sc"

H M Sheppard, P A Butler, R Daniel, P J Nolan, N R F Rammo and J F Sharpey-Schafer

J. Phys. G. Nucl. Phys. 6 (1980) 511-523

"Rotational alignment in ¹⁵⁸Er and ¹⁵⁹Er"

J Simpson, P A Butler, P D Forsyth, J F Sharpey-Schafer, J D Garrett, G B Hagemann, B Herskind and L P Ekström

J. Phys. G. Nucl. Phys. 10 (1984) 383-416

"Gamma-ray spectroscopy up to spin 20 in ²³²U"

A M Y El-Lawindy, J D Burrows, P A Butler, A N James, G D Jones, T P Morrison, J Simpson, K A Connell, R Wadsworth and D L Watson

J. Phys. G. Nucl. Phys. 12 (1986) 1059-1065

"Search for shape coexistence in ¹⁹⁴Pb"

B Fant, R J Tanner, P A Butler, A N James, G D Jones, D J G Love, J Simpson and K A Connell

J. Phys. G. 17 (1991) 319-340

Coulomb Fission

"Sub Coulomb fission induced by Xe and Kr ions"

P Colombani, P A Butler, I Y Lee, D Cline, R M Diamond, F S Stephens and D Ward

Phys. Letts. B 65 (1976) 39

"Fission of ²³²Th, ²³⁸U, ²⁴⁴Cm induced by Xe and Kr ions at Coulomb barrier energies"

P A Butler, I Y Lee, J O Newton, Y El-Masri, M M Aleonard, P Colombani, R M Diamond and F S Stephens

Phys. Letts. B 68 (1977) 122

"Direct observation of Coulomb fission of ²³⁸U with ¹⁸⁴W projectiles"

H Backe, F Weik, P A Butler, V Metag, J B Wilhelmy, D Habs, G Himmele and H J Specht

Phys. Rev. Letts. 43 (1979) 1077

"Experimental features of Coulomb fission"

G Himmele, H Backe, P A Butler, D Habs, V Metag, J B Wilhelmy and H J Specht

Nucl. Phys. A 391 (1982) 191

"Measurements of nuclear reaction cross sections for ^183,184W + ²³⁸U near the interaction barrier"

G Himmele, H Backe, P A Butler, D Habs, V Metag, H J Specht and J B Wilhelmy

Nucl. Phys. A 404 (1983) 401

Heavy-Ion Transfer

"Observation of intrinsic excitation in ¹⁶⁰Dy following heavy ion transfer reactions"

P A Butler, S Juutinen, S P Sorensen, X T Liu, R W Kincaid, M Carpenter, B Cox, A Larabee, C R Bingham, M W Guidy, C Y Wu, W Kernan, A Kavka, E Vogt, D Cline, C Baktash and I Y Lee

Phys. Lett. B 191 (1987) 333-8

"Spectroscopy of ^238,239Pu Studied by Quasielastic Reactions"

M.Devlin, D.Cline, K.G.Helmer, R.Ibbotson, C.Y.Wu, P.A.Butler, A.J.Cresswell, G.D.Jones, M.A.Stoyer, and J.O.Rasmussen

Phys. Rev. C 47 (1993) 2178

"Excitation-energy partition in quasielastic transfer reactions at near barrier energies"

C.Y. Wu, D. Cline, M. Devlin, K.G. Helmer, R.W. Ibbotson, M.W. Simon, P.A. Butler, A.J. Cresswell, G.D. Jones, P.M. Jones, J.F. Smith, R.A. Cunningham, and J. Simpson

Phys. Rev. C 51 (1995) 173

90. "Prompt and isomeric fission of Pu isotopes following heavy-ion induced transfer reactions"

A.J. Cresswell, M. Devlin, P.A. Butler, D. Cline, K.G. Helmer, R. Ibbotson, G.D. Jones, M.A.Stoyer, J.O. Rasmussen, and C.Y. Wu

Phys. Rev. C 51 (1995) 1025

91. "Population of collective bands in Dy isotopes using heavy ion induced transfer reactions"

A.J. Cresswell, P.A. Butler, D. Cline, R.A. Cunningham, M. Devlin, F. Hannachi, R. Ibbotson, G.D. Jones, P.M. Jones, M. Simon, J. Simpson, J.F. Smith, and C.Y. Wu

Phys. Rev. C 52 (1995) 1934

Instrumentation

Review articles

“The Miniball spectrometer“

N. Warr, J. Van de Walle, M. Albers,b, F. Ames, B. Bastin, C. Bauer, V. Bildstein, A. Blazhev,S. Bönig, N. Bree, B. Bruyneel, P.A. Butler, J. Cederkäll, E. Clément, T.E. Cocolios, T. Davinson, H. De Witte, P. Delahaye, D.D. DiJulio, J. Diriken, J. Eberth, A. Ekström, J. Elseviers, S. Emhofer, D.V. Fedorov, V.N. Fedosseev, S. Franchoo, C. Fransen, L.P. Gaffney, J. Gerl, G. Georgiev, R. Gernhäuser, T. Grahn, D. Habs, H. Hess, A.M. Hurst, M. Huyse, O. Ivanov, J. Iwanicki, D.G. Jenkins, J. Jolie, N. Kesteloot, O. Kester, U. Köster, M. Krauth, T. Kröll, R. Krücken, M. Lauer, J. Leske, K.P. Lieb, R. Lutter, L. Maier, B.A. Marsh, D. Mücher, M. Münch, O. Niedermaier, J. Pakarinen, M. Pantea, G. Pascovici, N. Patronis, D. Pauwels, A. Petts, N. Pietralla, R. Raabe, . Rapisarda, P. Reiter, A. Richter, O. Schaile, M. Scheck, H. Scheit, G. Schrieder, D. Schwalm, M. Seidlitz, M. Seliverstov, T. Sieber, H. Simon, K.-H. Speidel, C. Stahl, I. Stefanescu, P.G. Thirolf, H.-G. Thomas, M. Thürauf, P. Van Duppen, D. Voulot, R. Wadsworth, G. Walter, D. Weißhaar, F. Wenander, A. Wiens, K. Wimmer, B.H. Wolf, P.J. Woods, K. Wrzosek-Lipska, and K.O. Zell

Eur. Phys. J. A 49 (2013) 40

“Nuclear-structure studies of exotic nuclei with MINIBALL”

P.A. Butler, J. Cederkall and P. Reiter

J. Phys. G: Nucl. Part. Phys. 44 (2017) 044012

Recoil Tagging

"The response of an isobutane filled ion chamber to heavy ions"

A N James, P A Butler, T P Morrison, J Simpson and K A Connell

Nucl. Instr. and Meth. 212 (1983) 545-553

"Application of a compound nucleus residue detector"

J D Burrows, P A Butler, K A Connell, A N James, G D Jones, A M Y El-Lawindy, T P Morrison, J Simpson and R Wadsworth

Nucl. Instrum. and Meth. 227 (1984) 259

“The application of a multiple gas counter spectrometer to the study of heavy ion reactions"

P A Butler, K A Connell, J D Burrows, A M Y El-Lawindy, M W Guidry, A N James, G D Jones, C Lauterbach, T P Morrison and J Simpson

Nucl. Instrum. and Meth. A 239 (1985) 221-8

"Identification of the K^p=8^- rotational band in ¹³⁸Gd"

D.M. Cullen, N. Amzal, A.J. Boston, P.A. Butler, A. Keenan, E.S. Paul, H.C. Scraggs, A.M. Bruce, C. M. Parry, J.F.C. Cocks, K. Helariutta, P.M. Jones, R. Julin, S. Juutinen, H. Kankaapää, H. Kettunen, P.Kuusiniemi, M. Leino, M. Muikku, and A. Savelius

Phys. Rev. C 58 (1998) 846

“The GREAT triggerless total data readout method”

I.H. Lazarus, D.E. Appelbe, P.A. Butler, P.J. Coleman-Smith, J.R. Cresswell, S.J. Freeman, R.D. Herzberg, I. Hibbert, D.T. Joss, S.C. Letts, R.D. Page, V.F.E. Pucknell, P.H. Regan, J. Sampson, J. Simpson, J. Thornhill, R. Wadsworth

IEEE Tran. Nucl. Sci. 48 (2001) 567

“Recoil isomer tagging in the proton-rich odd-odd N=77 isotones, ¹⁴²Tb and ¹⁴⁴Ho”

C. Scholey, D.M. Cullen, E.S. Paul, A.J. Boston, P.A. Butler, T. Enqvist, C. Fox, H.C. Scraggs, S.L. Shepherd, O. Stezowski, A.M. Bruce, P.M. Walker, M. Caama\{n}o, J. Garc\'es-Narro, M.A. Bentley, D.T. Joss, O. Dorvaux, P.T. Greenlees, K. Helariutta, P.M. Jones, R. Julin, S. Juutinen, H. Kankaanpää, H. Kettunen, P. Kuusiniemi ,M. Leino, M. Muikku, P. Nieminen, P. Rahkila, and J. Uusitalo,

Phys. Rev. C 63 (2001) 034321

“The GREAT spectrometer”

Page R.D.; Andreyev A.N.; Appelbe D.E.; Butler P.A.; Freeman S.J.; Greenlees P.T.; Herzberg, R.-D.; Jenkins D.G.; Jones G.D.; Jones P.; Joss D.T.; Julin R.; Kettunen H.; Leino M.; Rahkila P.; Regan P.H.; Simpson J.; Uusitalo J.; Vincent S.M.; Wadsworth R.

Nucl. Instrum. and Meth. B 204 (2003) 634

“GEANT Monte Carlo simulations for the GREAT spectrometer”

A.N. Andreyev, P.A. Butler, R.D. Page, D.E. Appelbe, G.D. Jones, D.T. Joss, R.-D. Herzberg, P.H. Regan, J. Simpson, R. Wadsworth

Nucl. Instrum. and Meth. A 533 (2004) 422

Conversion electron and charged particle spectroscopy

"Electron spectroscopy using a multi-detector array"

P.A. Butler, K.J. Cann, P.M. Jones, J.F.C. Cocks, G.D. Jones, R. Julin and W. Trzaska

Nucl. Instrum. Meth. A 381 (1996) 433

“In-beam electron spectroscopy of ²²⁶U and ²⁵⁴No”

R. D. Humphreys, P. A. Butler, J. E. Bastin, P. T. Greenlees, N. J. Hammond, R.-D. Herzberg, D. G. Jenkins, G. D. Jones, H. Kankaanpää, A. Keenan, H. Kettunen, T. Page, P. Rahkila, C. Scholey, J. Uusitalo, N. Amzal, P. M. T. Brew, K. Eskola, J. Gerl, K. Hauschild, K. Helariutta, F.-P. Heßberger, A. Hürstel, P. M. Jones, R. Julin, S. Juutinen, T.-L. Khoo, W. Korten, P. Kuusiniemi, Y. Le Coz, M. Leino, A.-P. Leppänen, M. Muikku, P. Nieminen, S. W. Ødegård, J. Pakarinen, P. Reiter, G. Sletten, Ch. Theisen, and H.-J. Wollersheim

Phys. Rev. C 69 (2004) 064324

“In-beam electron spectrometer used in conjunction with a gas-filled recoil separator”

H. Kankaanpää, P.A. Butler, P.T. Greenlees, J.E. Bastin, R.D. Herzberg, R.D. Humphreys, G.D. Jones, P. Jones, R. Julin, A. Keenan, H. Kettunen, M. Leino, L. Miettinen, T. Page, P. Rahkila, C. Scholey, and J. Uusitalo

Nucl. Instrum. Meth. A 534 (2004) 503

"In-beam conversion-electron spectroscopy of ¹⁸⁰Hg”

R. D. Page, A. N. Andreyev, D. R. Wiseman, P. A. Butler, T. Grahn, P. T. Greenlees, R.-D. Herzberg, M. Huyse, G. D. Jones, P. M. Jones, D. T. Joss, R. Julin, S. Juutinen, H. Kankaanpää, A. Keenan, H. Kettunen, P. Kuusiniemi, M. Leino, M. Muikku, P. Nieminen, P. Rahkila, G. I. Rainovski1, C. Scholey, J. Uusitalo, K. Van de Vel, and P. Van Duppen

Phys. Rev. C 84 (2011) 034308

“Combined in-beam electron and gamma-ray spectroscopy of ^184,186Hg”

M. Scheck, P. A. Butler, L. P. Gaffney, N. Bree, R. J. Carrol, D. Cox, T. Grahn, P. T. Greenlees, K. Hauschild, A. Herzan, M. Huyse, U. Jakobsson, P. Jones, D. T. Joss, R. Julin, S. Juutinen, S. Ketelhut, R.-D. Herzberg, M. Kowalczyk, A. C. Larsen, M. Leino, A. Lopez-Martens, P. Nieminen, R. D. Page, J. Pakarinen, P. Papadakis, P. Peura, P. Rahkila, S. Rinta-Antila, P. Ruotsalainen, M. Sandzelius, J. Saren, C. Scholey, J. Sorri, J. Srebrny, P. Van Duppen, H. V. Watkins, and J. Uusitalo

Phys. Rev. C 83 (2011) 037303

“The SAGE spectrometer”

J. Pakarinen, P. Papadakis, J. Sorri, R.-D. Herzberg, P.T. Greenlees, P.A. Butler, P.J. Coleman-Smith, D.M. Cox, J.R. Cresswell, P. Jones, R. Julin, J. Konki, I.H. Lazarus, S.C. Letts, A. Mistry, R.D. Page, E. Parr, V.F.E. Pucknell, P. Rahkila, J. Sampson, M. Sandzelius, D.A. Seddon, J. Simpson, J. Thornhill, and D. Wells

Eur. Phys. J. A 50 (2014) 53

“The SPEDE spectrometer”

P. Papadakis, D.M. Cox, G.G. O’Neill, M.J.G. Borge, P.A. Butler, L.P. Gaffney, P.T. Greenlees, R.-D.

Herzberg, A. Illana, D.T. Joss, J. Konki, T. Kröll, J. Ojala, R.D. Page, P. Rahkila, K. Ranttila, J.

Thornhill, J. Tuunanen, P. Van Duppen, N. Warr, and J. Pakarinen

Eur. Phys. J A 54 (2018) 42

“Enhancing the performance of solenoidal spectrometers for inverse reactions”

P. A. Butler

Proc. R. Soc. A 479 (2023) 20230075

Germanium polarimeters and arrays

"Gamma ray linear polarization measurements in ³³S"

P A Butler, P E Carr, L L Gadeken, A N James, P J Nolan, J F Sharpey-Schafer and D A Viggars

J. Phys. A. Math. Nucl. Gen. 6 (1973) L15-8

"Construction and use of a three Ge(Li) Compton polarimeter"

P A Butler, P E Carr, L L Gadeken, A N James, P J Nolan, J F Sharpey-Schafer, P J Twin and D A Viggars

Nucl. Instr. Meth. 108 (1973) 497

"The statistical analysis of γ-ray angular correlation experiments"

A N James, P J Twin and P A Butler

Nucl. Instr. Meth. 115 (1974) 105-13

"Electro-magnetic and angular momentum properties of states in ³³S below 5.0 MeV in excitation"

P A Butler, A J Brown, P E Carr, L L Green, A N James, C J Lister, J D MacArthur, P J Nolan and J F Sharpey-Schafer

J. Phys. G. Nucl. Phys. 1 (1975) 543-57.

"Electro-magnetic and angular momentum properties of states in ²⁵Mg below 6.05 MeV in excitation"

P A Butler, A J Brown, L L Green, A N James, C J Lister, J D MacArthur, P J Nolan and J F Sharpey-Schafer

J. Phys. G. Nucl. Phys. 1 (1975) 665-84

"Application of a sectored Ge(Li) detector as a Compton polarimeter"

J Simpson, P A Butler and L P Ekström

Nucl. Instr. Meth. 204 (1983) 463

"Evidence for a cluster of collective 1⁺ states in ¹⁵⁰Nd near 3 MeV"

B Kasten, R D Heil, R V Brentano, P A Butler, S D Hoblit, V Kneissl, S Lindenstruth, G Müller, H H Pitz, K W Rose, W Scharfe, M Schumacher, U Seeman, Th Weber, C Wesselborg and A Zilges

Phys. Rev. Lett. 63 (1989) 609

"Parity assignments in nuclear resonance fluorescence experiments using Compton polarimeters"

R D Heil, B Kasten, W Scharfe, P A Butler, H Friedrichs, S D Hoblit, U Kneissl, S Lindenstruth, M Ludwig, G Müller, H H Pitz, K W Rose, M Schumacher, U Seemann, J Simpson, P V Brentano, Th Weber, C Wesselborg and A Zilges

Nucl. Phys. A 506 (1990) 223

"Calibration of the new composite "Clover" detector as a Compton polarimeter for the EUROGAM array"

P.M. Jones, L.Wei, F.A. Beck, P.A. Butler, T. Byrski, G. Duchêne, G. de France, F. Hannachi, G.D. Jones, and B. Kharraja

Nucl. Instrum. Meth. A 362 (1995) 556

"High-spin isomers in neutron-rich nuclei studied with the TARDIS-array at IGISOL"

G. Lhersonneau, P.A. Butler, J.F.C. Cocks, A. Honkanen, M. Huhta, P.M. Jones, A. Jokinen, R. Julin, S. Juutinen, A. Lampinen, D. Müller, E. Mälelä, M. Oinonen, J.M. Parmonen, M. Piiparinen, A. Savelius, J.F. Smith, S. Törmänen, A. Virtanen, J. Äystö

Nucl. Instrum. and Meth. A 373 (1996) 415

Nuclear Physics Facility Projects

"HIE-ISOLDE"

Lindroos M, Butler P A, Huyse M and Riisager K (2008).

Nucl. Instrum. Meth. B 266 (2008) 4687

"EURISOL Design Study: towards an ultimate ISOL facility for Europe"

Y. Blumenfeld, P. Butler, J. Cornell, G. Fortuna, and M. Lindroos

Int. J. Mod. Phys. E 18 (2009) 1960

"Storage ring at HIE-ISOLDE"

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“TSR: a storage and cooling ring for HIE-ISOLDE”

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Nucl. Instrum. Meth. B 376 (2016) 270