The Structure of 7 He

A. H. Wuosmaa; K. E. Rehm; J. P. Greene; D. J. Henderson; R. V.F. Janssens; C. L. Jiang; L. Jisonna; J. C. Lighthall; S. T. Marley; E. F. Moore; R. C. Pardo; N. Patel; M. Paul; D. Peterson; S. C. Pieper; G. Savard; J. P. Schiffer; R. E. Segel; R. H. Siemssen; X. Tang; R. B. Wiringa

doi:10.1063/1.2939300

The Structure of ⁷ He

A. H. Wuosmaa
, K. E. Rehm
, J. P. Greene
, D. J. Henderson
, R. V.F. Janssens
, C. L. Jiang
, L. Jisonna
, J. C. Lighthall
, S. T. Marley
, E. F. Moore
, R. C. Pardo
, N. Patel
, M. Paul
, D. Peterson
, S. C. Pieper
, G. Savard
, J. P. Schiffer
, R. E. Segel
, R. H. Siemssen
, X. Tang

R. B. Wiringa

Racah Institute of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We have studied the properties of the unbound isotope of helium ⁷He, using the ²H(⁸Li,³He)⁷He reaction. When combined with prior measurements of the ²H(⁶He,p)⁷He reaction the data present a consistent picture for the low-lying excited states of 7He, specifically the negative parity sequence 3/2- (ground state) 1/2- (first-excited) and 5/2- (second-excited). The shapes but not the absolute magnitudes of the angular distributions are reproduced by ab-initio theory coupled with a DWBA reaction framework.

Original language	English
Title of host publication	Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007
Editors	Rauno Julin, Paraskevi Demetriou, Sotirios V. Harissopulos
Publisher	American Institute of Physics Inc.
Pages	225-232
Number of pages	8
ISBN (Electronic)	9780735405325
DOIs	https://doi.org/10.1063/1.2939300
State	Published - 2008
Event	2nd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007 - Aghios Nikolaos, Crete, Greece Duration: 10 Sep 2007 → 14 Sep 2007

Publication series

Name	AIP Conference Proceedings
Volume	1012
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	2nd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007
Country/Territory	Greece
City	Aghios Nikolaos, Crete
Period	10/09/07 → 14/09/07

Bibliographical note

Publisher Copyright:
© 2008 American Institute of Physics.

Keywords

Transfer reactions
spectroscopic factors
unstable beams

Access to Document

10.1063/1.2939300

Cite this

Wuosmaa, A. H., Rehm, K. E., Greene, J. P., Henderson, D. J., Janssens, R. V. F., Jiang, C. L., Jisonna, L., Lighthall, J. C., Marley, S. T., Moore, E. F., Pardo, R. C., Patel, N., Paul, M., Peterson, D., Pieper, S. C., Savard, G., Schiffer, J. P., Segel, R. E., Siemssen, R. H., ... Wiringa, R. B. (2008). The Structure of ⁷ He. In R. Julin, P. Demetriou, & S. V. Harissopulos (Eds.), Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007 (pp. 225-232). (AIP Conference Proceedings; Vol. 1012). American Institute of Physics Inc.. https://doi.org/10.1063/1.2939300

@inproceedings{61df5e3cde0147e9b18fb3aead66bb61,

title = "The Structure of 7 He",

abstract = "We have studied the properties of the unbound isotope of helium 7He, using the 2H(8Li,3He)7He reaction. When combined with prior measurements of the 2H(6He,p)7He reaction the data present a consistent picture for the low-lying excited states of 7He, specifically the negative parity sequence 3/2- (ground state) 1/2- (first-excited) and 5/2- (second-excited). The shapes but not the absolute magnitudes of the angular distributions are reproduced by ab-initio theory coupled with a DWBA reaction framework.",

keywords = "Transfer reactions, spectroscopic factors, unstable beams",

author = "Wuosmaa, \{A. H.\} and Rehm, \{K. E.\} and Greene, \{J. P.\} and Henderson, \{D. J.\} and Janssens, \{R. V.F.\} and Jiang, \{C. L.\} and L. Jisonna and Lighthall, \{J. C.\} and Marley, \{S. T.\} and Moore, \{E. F.\} and Pardo, \{R. C.\} and N. Patel and M. Paul and D. Peterson and Pieper, \{S. C.\} and G. Savard and Schiffer, \{J. P.\} and Segel, \{R. E.\} and Siemssen, \{R. H.\} and X. Tang and Wiringa, \{R. B.\}",

note = "Publisher Copyright: {\textcopyright} 2008 American Institute of Physics.; 2nd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007 ; Conference date: 10-09-2007 Through 14-09-2007",

year = "2008",

doi = "10.1063/1.2939300",

language = "אנגלית",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

pages = "225--232",

editor = "Rauno Julin and Paraskevi Demetriou and Harissopulos, \{Sotirios V.\}",

booktitle = "Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007",

}

Wuosmaa, AH, Rehm, KE, Greene, JP, Henderson, DJ, Janssens, RVF, Jiang, CL, Jisonna, L, Lighthall, JC, Marley, ST, Moore, EF, Pardo, RC, Patel, N, Paul, M, Peterson, D, Pieper, SC, Savard, G, Schiffer, JP, Segel, RE, Siemssen, RH, Tang, X & Wiringa, RB 2008, The Structure of ⁷ He. in R Julin, P Demetriou & SV Harissopulos (eds), Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007. AIP Conference Proceedings, vol. 1012, American Institute of Physics Inc., pp. 225-232, 2nd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007, Aghios Nikolaos, Crete, Greece, 10/09/07. https://doi.org/10.1063/1.2939300

The Structure of ⁷ He. / Wuosmaa, A. H.; Rehm, K. E.; Greene, J. P. et al.
Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007. ed. / Rauno Julin; Paraskevi Demetriou; Sotirios V. Harissopulos. American Institute of Physics Inc., 2008. p. 225-232 (AIP Conference Proceedings; Vol. 1012).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Rehm, K. E.

AU - Greene, J. P.

AU - Henderson, D. J.

AU - Janssens, R. V.F.

AU - Jiang, C. L.

AU - Jisonna, L.

AU - Lighthall, J. C.

AU - Marley, S. T.

AU - Moore, E. F.

AU - Pardo, R. C.

AU - Patel, N.

AU - Paul, M.

AU - Peterson, D.

AU - Pieper, S. C.

AU - Savard, G.

AU - Schiffer, J. P.

AU - Segel, R. E.

AU - Siemssen, R. H.

AU - Tang, X.

AU - Wiringa, R. B.

PY - 2008

Y1 - 2008

N2 - We have studied the properties of the unbound isotope of helium 7He, using the 2H(8Li,3He)7He reaction. When combined with prior measurements of the 2H(6He,p)7He reaction the data present a consistent picture for the low-lying excited states of 7He, specifically the negative parity sequence 3/2- (ground state) 1/2- (first-excited) and 5/2- (second-excited). The shapes but not the absolute magnitudes of the angular distributions are reproduced by ab-initio theory coupled with a DWBA reaction framework.

AB - We have studied the properties of the unbound isotope of helium 7He, using the 2H(8Li,3He)7He reaction. When combined with prior measurements of the 2H(6He,p)7He reaction the data present a consistent picture for the low-lying excited states of 7He, specifically the negative parity sequence 3/2- (ground state) 1/2- (first-excited) and 5/2- (second-excited). The shapes but not the absolute magnitudes of the angular distributions are reproduced by ab-initio theory coupled with a DWBA reaction framework.

KW - Transfer reactions

KW - spectroscopic factors

KW - unstable beams

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BT - Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007

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A2 - Demetriou, Paraskevi

A2 - Harissopulos, Sotirios V.

PB - American Institute of Physics Inc.

T2 - 2nd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 2007

Y2 - 10 September 2007 through 14 September 2007

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