Tables of differential enthalpies, integral enthalpies, observed and calculated densities, and observed and calculated heat capacities (33 pages) are included In the supplementary material. Ordering information is given on any current masthead page.

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The present work reported a conclusive evidence for anti-magnetic rotational (AMR) band in an odd-odd nucleus 142 Eu. Parity of the states of a quadrupole sequence in 142 Eu was firmly identified from polarization measurements using the Indian National Gamma Array and lifetimes of some of the states in the same structure were measured using the Doppler shift attenuation method. The decreasing trends of the deduced quadrupole transition strength B(E2) with spin, along with increasing J (2) /B(E2) values conclusively established the origin of these states as arising from Antimagnetic rotation. The results were well reproduced by numerical calculations within the framework of a semi-classical geometric model.

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