Spectroscopy of Kr-70 and isospin symmetry in the T=1 f pg shell nuclei

Debenham D. M.; Bentley M. A.; Davies P. J.; Haylett T.; Jenkins D. G.; Joshi P.; Sinclair L. F.; Wadsworth R.; Ruotsalainen P.; Henderson J.; Kaneko K.; Auranen K.; Badran H.; Grahn T.; Greenlees P.; Herzaan A.; Jakobsson U.; Konki J.; Julin R.; Juutinen S.; Leino M.; Sorri J.; Pakarinen J.; Papadakis P.; Peura P.; Partanen J.; Rahkila P.; Sandzelius M.; Saren J.; Scholey C.; Stolze S.; Uusitalo J.; David H. M.; de Angelis G.; Korten W.; Lotay G.; Mallaburn M.; Sahin E.

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Spectroscopy of Kr-70 and isospin symmetry in the T=1 f pg shell nuclei

机译：KR-70的光谱学和T = 1 f PG壳核中的X型旋流对称性

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The recoil-beta tagging technique has been used in conjunction with the Ca-40(S-32,2n) reaction at a beam energy of 88 MeV to identify transitions associated with the decay of the 2(+) and, tentatively, 4(+) states in the nucleus Kr-70. These data are used, along with previously published data, to examine the triplet energy differences (TED) for the mass 70 isobars. The experimental TED values are compared with shell model calculations, performed with the JUN45 interaction in the fpg model space, that include a J = 0 isospin nonconserving (INC) interaction with an isotensor strength of 100 keV. The agreement is found to be very good up to spin 4 and supports the expectation for analog states that all three nuclei have the same oblate shape at low-spin. The A = 70 results are compared with the experimental and shell model predicted TED and mirror energy differences (MED) for the mass 66 and 74 systems. The comparisons clearly demonstrate the importance of the isotensor INC interaction in replicating the TED data in this region. Issues related to the observed MED values and their interpretation within the shell model are discussed.

机译：ReCoil-β标记技术已经结合在88meV的光束能中与Ca-40（S-32m）反应结合使用，以识别与2（+）衰减相关的过渡，并暂时，4（ +）在核KR-70中的状态。使用这些数据以及以前发布的数据，检查质量70辆等物体的三联能能量差（TED）。将实验性TED值与壳模型计算进行比较，与FPG模型空间中的JUN45相互作用进行，其中包括j = 0 isospin nonconserving（Inc）相互作用，其等传感器强度为100keV。该协议被发现是非常好的旋转4并支持对模拟状态的期望，即所有三个核在低旋转时具有相同的扁平形状。将A = 70结果与质量66和74系统的实验和壳模型进行比较和镜面能量差（MED）。比较清楚地证明了IsoSensor Inc相互作用在复制该地区的TED数据方面的重要性。讨论了与观察到的MED值相关的问题及其在壳模型内的解释。

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来源
《Physical review, C》 |2016年第5期|共7页
作者
Debenham D. M.; Bentley M. A.; Davies P. J.; Haylett T.; Jenkins D. G.; Joshi P.; Sinclair L. F.; Wadsworth R.; Ruotsalainen P.; Henderson J.; Kaneko K.; Auranen K.; Badran H.; Grahn T.; Greenlees P.; Herzaan A.; Jakobsson U.; Konki J.; Julin R.; Juutinen S.; Leino M.; Sorri J.; Pakarinen J.; Papadakis P.; Peura P.; Partanen J.; Rahkila P.; Sandzelius M.; Saren J.; Scholey C.; Stolze S.; Uusitalo J.; David H. M.; de Angelis G.; Korten W.; Lotay G.; Mallaburn M.; Sahin E.;
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作者单位

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ York Dept Phys York YO10 5DD N Yorkshire England;

Kyushu Sangyo Univ Dept Phys Fukuoka 8138503 Japan;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Univ Jyvaskyla Dept Phys POB 35 FI-40014 Jyvaskyla Finland;

Argonne Natl Lab Div Phys Argonne IL 60439 USA;

Ist Nazl Fis Nucl Lab Nazl Legnaro Viale Univ 2 I-35020 Legnaro Italy;

CEA Saclay IRFU SPHN F-91191 Gif Sur Yvette France;

Univ Surrey Dept Phys Guildford GU2 7XH Surrey England;

Univ Manchester Sch Phys &

Astron Manchester Lancs England;

Univ Oslo Dept Phys N-0316 Oslo Norway;

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中图分类原子核物理学、高能物理学;
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1. Spectroscopy of Kr-70 and isospin symmetry in the T=1 f pg shell nuclei [J] . Debenham D. M., Bentley M. A., Davies P. J., Physical review, C . 2016,第5期

机译：KR-70的光谱学和T = 1 f PG壳核中的X型旋流对称性
2. Isospin Symmetry Violation in sd-Shell Nuclei [J] . Yi Hua Lam, Nadezda A. Smirnova, Etienne Caurier EPJ Web of Conferences . 2014,第1期

机译：sd-壳核中的同位旋对称违反
3. Coulomb Energy Difference as a Probe of Isospin-Symmetry Breaking in the Upper f p-Shell Nuclei [J] . K. Kaneko, T. Mizusaki, Y. Sun, Physical review letters . 2012,第9期

机译：库仑能级差作为上部f p-壳核同位旋对称破裂的探针
4. Isospin Symmetry Violation in sd-Shell Nuclei [C] . Yi Hua Lam, Nadezda A. Smirnova, Etienne Caurier International Nuclear Physics Conference . 2014

机译：SD-shell核的isospin对称性侵犯
5. Calculation of Isospin Symmetry Violating Baryon Mass Splittings and Hybrid Baryon Masses [D] . Gross, Johnathan Loren. 2020

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6. Beyond icosahedral symmetry in packings of proteins in spherical shells [O] . Majid Mosayebi, Deborah K. Shoemark, Jordan M. Fletcher, 2017

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7. Spectroscopy of Kr 70 and isospin symmetry in the T=1 fpg shell nuclei SPECTROSCOPY of Kr 70 and ISOSPIN SYMMETRY ... D. M. DEBENHAM et al. [O] . Debenham, D. M., Bentley, M. A., Davies, P. J., 2016

机译：在Kr 70和IsOspIN对称的T = 1 fpg壳核光谱中Kr 70和同位旋对称性的光谱法... D. m. DEBENHam等。

Spectroscopy of Kr-70 and isospin symmetry in the T=1 f pg shell nuclei

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