The phrase "joint group" is correct and usable in written English.
It can be used to refer to a group that is formed by the collaboration of two or more parties or organizations.
Example: "The joint group of researchers from both universities will present their findings at the conference."
Alternatives: "collaborative group" or "combined team."
Co-founder (1997) of the Video Quality Expert Group (VQEG), a joint group of T and R Sector experts of ITU, aiming at the promotion of new metrics for the objective video quality assessment, he lead the group to the first world wide international standard of objective quality metric for digital TV (ITU-R Recommendation BT-1683).
The Scots, bottom of Group A without a win, face the joint group leaders in Zagreb on 7 June.
For the next four years, Dr. Zeller was president of the joint group, the Professional Staff Congress.
Cameron and Obama agreed to establish a new joint group to exchange information and expertise on countering the rise of violent extremism.
In 1997 members of a Christian Democratic group that had dissolved joined Fidesz in the National Assembly, enabling the joint group to form the largest bloc.
A fortnight ago, Gesamp, a joint group of experts on the scientific aspects of marine environmental protection, published the second part of its global assessment on microplastics.
Because our model also uses data from all of the subjects to estimate group and individual (rand-effects) images, we were able to demonstrate that the joint group-level model offers improvement of the reconstruction accuracy of both group and individual level estimates.
Through the ReML optimized weighted-least squares expression, non-zero values for the group parameters are more favored then non-zero random effects; meaning that when possible the model will load weight into the joint-group image over placing an equal weigh onto each of the individual subject perturbation images.
(IMO/FAO/UNESCO-IOC/UNIDO/WMO/IAEA/UN/UNEP/UNDP Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection).
National Space Agency made a partnership with Military Services and Defense Contract Management Agency named the "Joint Group on Pollution Prevention".
Why isn't Mr. Dobbs included in analyses along with other CNN anchors who do joint/group analyses under the heading of "the best political team on television" after major media/political events (i.e., presidential press conferences, etc).? Mr. Dobbs made a few pre-election appearances with his colleagues -- and then no more.
