Energy levels of 56Mn

P. H. M. Van Assche; H. A. Baader; H. R. Koch; B. P. K. Maier; U. Gruber; 0. W. B. Schult; J.B. McGrory; J.R. Comfort; R. Rimawi; R. E. Chrien; O.A. Wasson; D.I. Garber

doi:10.1016/0375-9474(71)90138-2

Energy levels of 56Mn

P. H. M. Van Assche, H. A. Baader, H. R. Koch, B. P. K. Maier, U. Gruber, 0. W. B. Schult, J.B. McGrory, J.R. Comfort, R. Rimawi, R. E. Chrien, O.A. Wasson, D.I. Garber

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Abstract

The low-energy spectrum of the 55Mn(n,γ)56 Mn reaction has been studied with a γ-diffraction spectrometer. These data allowed the construction of a level scheme for 56Mn with two previously unobserved doublets. High-energy γ-transitions to the low-energy states have been measured for different neutron resonances at the BNL fast neutron chopper. For most states a unique spin and parity could be proposed. A shell-model calculation of the structure of the low-lying states of 56Mn has been carried out with the Oak Ridge- Rochester computer programme; there are plausible theoretical analogues for 11 of the 12 experimentally observed states. Calculated spectroscopic factors and M1 transition probabilities are in qualitative agreement with the experiment

Original language	English
Journal	Nuclear Physics A: Nuclear and Hadronic Physics
Volume	A160
Issue number	2
Pages (from-to)	367-384
ISSN	0375-9474
DOIs	https://doi.org/10.1016/0375-9474(71)90138-2
Publication status	Published - 1971

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@article{048ae68538264451875d901860940df9,

title = "Energy levels of 56Mn",

abstract = "The low-energy spectrum of the 55Mn(n,γ)56 Mn reaction has been studied with a γ-diffraction spectrometer. These data allowed the construction of a level scheme for 56Mn with two previously unobserved doublets. High-energy γ-transitions to the low-energy states have been measured for different neutron resonances at the BNL fast neutron chopper. For most states a unique spin and parity could be proposed. A shell-model calculation of the structure of the low-lying states of 56Mn has been carried out with the Oak Ridge- Rochester computer programme; there are plausible theoretical analogues for 11 of the 12 experimentally observed states. Calculated spectroscopic factors and M1 transition probabilities are in qualitative agreement with the experiment",

author = "{Van Assche}, {P. H. M.} and Baader, {H. A.} and Koch, {H. R.} and Maier, {B. P. K.} and U. Gruber and Schult, {0. W. B.} and J.B. McGrory and J.R. Comfort and R. Rimawi and Chrien, {R. E.} and O.A. Wasson and D.I. Garber",

year = "1971",

doi = "10.1016/0375-9474(71)90138-2",

language = "English",

volume = "A160",

pages = "367--384",

journal = "Nuclear Physics A: Nuclear and Hadronic Physics",

issn = "0375-9474",

publisher = "Elsevier",

number = "2",

}

TY - JOUR

T1 - Energy levels of 56Mn

AU - Van Assche, P. H. M.

AU - Baader, H. A.

AU - Koch, H. R.

AU - Maier, B. P. K.

AU - Gruber, U.

AU - Schult, 0. W. B.

AU - McGrory, J.B.

AU - Comfort, J.R.

AU - Rimawi, R.

AU - Chrien, R. E.

AU - Wasson, O.A.

AU - Garber, D.I.

PY - 1971

Y1 - 1971

N2 - The low-energy spectrum of the 55Mn(n,γ)56 Mn reaction has been studied with a γ-diffraction spectrometer. These data allowed the construction of a level scheme for 56Mn with two previously unobserved doublets. High-energy γ-transitions to the low-energy states have been measured for different neutron resonances at the BNL fast neutron chopper. For most states a unique spin and parity could be proposed. A shell-model calculation of the structure of the low-lying states of 56Mn has been carried out with the Oak Ridge- Rochester computer programme; there are plausible theoretical analogues for 11 of the 12 experimentally observed states. Calculated spectroscopic factors and M1 transition probabilities are in qualitative agreement with the experiment

AB - The low-energy spectrum of the 55Mn(n,γ)56 Mn reaction has been studied with a γ-diffraction spectrometer. These data allowed the construction of a level scheme for 56Mn with two previously unobserved doublets. High-energy γ-transitions to the low-energy states have been measured for different neutron resonances at the BNL fast neutron chopper. For most states a unique spin and parity could be proposed. A shell-model calculation of the structure of the low-lying states of 56Mn has been carried out with the Oak Ridge- Rochester computer programme; there are plausible theoretical analogues for 11 of the 12 experimentally observed states. Calculated spectroscopic factors and M1 transition probabilities are in qualitative agreement with the experiment

U2 - 10.1016/0375-9474(71)90138-2

DO - 10.1016/0375-9474(71)90138-2

M3 - Journal article

SN - 0375-9474

VL - A160

SP - 367

EP - 384

JO - Nuclear Physics A: Nuclear and Hadronic Physics

JF - Nuclear Physics A: Nuclear and Hadronic Physics

IS - 2

ER -

Energy levels of 56Mn

Abstract

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