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Hoff DEM, Charity RJ, Brown KW, Pruitt CD, Sobotka LG, Webb TB, Potel G, Roeder B, Saastamoinen A. Large Longitudinal Spin Alignment of Excited Projectiles in Intermediate Energy Inelastic Scattering. PHYSICAL REVIEW LETTERS 2017; 119:232501. [PMID: 29286688 DOI: 10.1103/physrevlett.119.232501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Indexed: 06/07/2023]
Abstract
We study the sequential breakup of E/A=24.0 MeV ^{7}Li projectiles excited through inelastic interactions with C, Be, and Al target nuclei. For peripheral events that do not excite the target, we find very large spin alignment of the excited ^{7}Li projectiles longitudinal to the beam axis. This spin alignment is independent of the target used, and we propose a simple alignment mechanism that arises from an angular-momentum-excitation-energy mismatch. This mechanism is independent of the potential used for scattering and should be present in many scattering experiments.
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Affiliation(s)
- D E M Hoff
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - R J Charity
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - K W Brown
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - C D Pruitt
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - L G Sobotka
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - T B Webb
- Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA
| | - G Potel
- National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
| | - B Roeder
- Cyclotron Institute, Texas A&M University, College Station, Texas 77840, USA
| | - A Saastamoinen
- Cyclotron Institute, Texas A&M University, College Station, Texas 77840, USA
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Thoennessen M, Ramakrishnan E, Beene JR, Bertrand FE, Halbert ML, Horen DJ, Mueller PE, Varner RL. Dynamical effects in fusion reactions forming 110Sn. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1995; 51:3148-3156. [PMID: 9970416 DOI: 10.1103/physrevc.51.3148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Agrawal BK, Ansari A. Thermal properties of zinc isotopes in the static path approximation. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1992; 46:2319-2325. [PMID: 9968361 DOI: 10.1103/physrevc.46.2319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Nicolis NG, Sarantites DG, Adler LA, Dilmanian FA, Honkanen K, Majka Z, Sobotka LG, Li Z, Semkow TM, Beene JR, Halbert ML, Hensley DC, Natowitz JB, Schmitt RP, Fabris D, Nebbia G, Mouchaty G. Deformation effects in the compound nucleus decay using the spin-alignment method. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1990; 41:2118-2133. [PMID: 9966576 DOI: 10.1103/physrevc.41.2118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Sarantites DG, Baktash C, Nicolis NG, Garcia-Bermudez G, Abenante V, Beene JR, Johnson NR, Halbert ML, Hensley DC, McGowan FK, Griffin HC, Lee IY, Majka Z, Riley MA, Semkow TM, Stracener DW, Virtanen A. Nuclear-structure effects in proton evaporation spectra. PHYSICAL REVIEW LETTERS 1990; 64:2129-2132. [PMID: 10041591 DOI: 10.1103/physrevlett.64.2129] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Alhassid Y, Manoyan JM, Levit S. Simple systematics of the shape transitions in hot rare-earth nuclei. PHYSICAL REVIEW LETTERS 1989; 63:31-34. [PMID: 10040425 DOI: 10.1103/physrevlett.63.31] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Goodman AL. Temperature-dependent shape transition in 166Er. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1988; 38:977-983. [PMID: 9954892 DOI: 10.1103/physrevc.38.977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Lacey R, Ajitanand NN, Alexander JM, Peaslee GF, Vaz LC, Kaplan M, Kildir M, Moses DJ, Parker WE, Logan D, Zisman MS, DeYoung P, Kowalski L. Large-angle correlations between 4He and 1,2,3H or 4He in the reactions 247 and 337 MeV 40Ar+natAg: Unexpected properties of the nuclear stratosphere. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1988; 37:2561-2577. [PMID: 9954733 DOI: 10.1103/physrevc.37.2561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Goodman AL. Statistical shape fluctuations in 166Er. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1988; 37:2162-2169. [PMID: 9954684 DOI: 10.1103/physrevc.37.2162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Sobotka LG, Sarantites DG, Li Z, Dines EL, Halbert ML, Hensley DC, Lisle JC, Schmitt RP, Majka Z, Nebbia G, Griffin HC, Sierk AJ. Angular momentum dependence of complex fragment emission. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1987; 36:2713-2716. [PMID: 9954405 DOI: 10.1103/physrevc.36.2713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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