%0 Journal Article %1 028_Cu57 %A Minamisono, K. %A Mantica, P.F. %A Mertzimekis, T.J. %A Davies, A.D. %A Hass, M. %A Pereira, J. %A Pinter, J.S. %A Rogers, W.F. %A Stoker, J.B. %A Tomlin, B.E. %A Weerasiri, R.R. %C Department of Physics, Westmont College, Santa Barbara, CA 93108, United States %D 2006 %J Phys. Rev. Lett. %K imported %N 10 %P 1--4 %R 10.1103/PhysRevLett.96.102501 %T Nuclear magnetic moment of the $^57$Cu ground state (I=3/2$^-$, T$_1/2$=199.4 ms) %V 96 %X The nuclear magnetic moment of the ground state of Cu57(I?=3/2-,T1/2= 196.3ms) has been measured to be |?(Cu57)|=(2.00±0.05)?N using the ?-NMR technique. Together with the known magnetic moment of the mirror partner Ni57, the spin expectation value was extracted as ??z =-0.78±0.13. This is the heaviest isospin T=1/2 mirror pair above the Ca40 region for which both ground state magnetic moments have been determined. The discrepancy between the present results and shell-model calculations in the full fp shell giving ?(Cu57)?2.4?N and ??z ?0.5 implies significant shell breaking at Ni56 with the neutron number N=28. © 2006 The American Physical Society.

@article{028_Cu57, abstract = {The nuclear magnetic moment of the ground state of Cu57(I?=3/2-,T1/2= 196.3ms) has been measured to be |?(Cu57)|=(2.00±0.05)?N using the ?-NMR technique. Together with the known magnetic moment of the mirror partner Ni57, the spin expectation value was extracted as ??z =-0.78±0.13. This is the heaviest isospin T=1/2 mirror pair above the Ca40 region for which both ground state magnetic moments have been determined. The discrepancy between the present results and shell-model calculations in the full fp shell giving ?(Cu57)?2.4?N and ??z ?0.5 implies significant shell breaking at Ni56 with the neutron number N=28. © 2006 The American Physical Society.}, added-at = {2022-02-23T12:18:47.000+0100}, address = {Department of Physics, Westmont College, Santa Barbara, CA 93108, United States}, author = {Minamisono, K. and Mantica, P.F. and Mertzimekis, T.J. and Davies, A.D. and Hass, M. and Pereira, J. and Pinter, J.S. and Rogers, W.F. and Stoker, J.B. and Tomlin, B.E. and Weerasiri, R.R.}, biburl = {https://www.bibsonomy.org/bibtex/293f54eefb4f45b2541e1a4fc351ed4d5/tmertzi}, doi = {10.1103/PhysRevLett.96.102501}, interhash = {6d9f9cc482080632a0945969c6db0743}, intrahash = {93f54eefb4f45b2541e1a4fc351ed4d5}, issn = {00319007 (ISSN)}, journal = {Phys. Rev. Lett.}, keywords = {imported}, number = 10, owner = {tmertzi}, pages = {1--4}, timestamp = {2022-02-23T12:18:47.000+0100}, title = {Nuclear magnetic moment of the $^{57}$Cu ground state (I=3/2$^-$, T$_{1/2}$=199.4 ms)}, volume = 96, year = 2006 }