a variable quantity, such as angular momentum, that has magnitude and orientation with respect to an axis. The components are even functions of the coordinates
We have included both scalar, vector and axial-vector resonances.
Shekhovtsova Olga, Sanz-Cillero Juan José, Przedziński T. 2016, 'Study of the lowest tensor and scalar resonances in the τ → πππvτ decay', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201613007022. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The model also contains axial-vector current interaction.
Pei-Hong Gu, Xiao-Gang He 2017, 'Realistic model for a fifth force explaining anomaly in Be⁎8→Be8e+e− decay', Nuclear Physics Bhttp://www.sciencedirect.com/science/article/pii/S0550321317301153. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We adopt the “vector minus axial-vector” interaction hypothesis.
Jun Jiang, Long-Bin Chen, Yi Liang, Cong-Feng Qiao 2018, 'X(16.7) production in electron–positron collision', European Physical Journal C: Particles and Fieldshttp://link.springer.com/article/10.1140/epjc/s10052-018-5945-3. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In particular, we study the corresponding axial-vector form-factors.
Juan José Sanz-Cillero, Olga Shekhovtsova 2017, 'Refining the scalar and tensor contributions in τ → πππν τ decays', Journal of High Energy Physicshttp://link.springer.com/article/10.1007/JHEP12(2017)080. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both scalar and axial-vector spectators are included.
Tianbo Liu, Bo-Qiang Ma 2015, 'Quark angular momentum in a spectator model', Physics Letters Bhttp://www.sciencedirect.com/science/article/pii/S0370269314009332. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We investigated pion production by charged weak current, which comprises vector and axial vector current.
Cheoun Myung-Ki 2012, 'Sigma terms in Pion Weak-production near Threshold by Charged Current', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20122002001. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We measure the correlators of spin-one isovector operators including vector, axial-vector, tensor and axial-tensor.
Rohrhofer Christian, Aoki Yasumichi, Cossu Guido, Fukaya Hidenori, Glozman Leonid,Hashimoto Shoji, Lang Christian B., Prelovsek Sasa 2018, 'Degeneracy of vector-channel spatial correlators in high temperature QCD', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201817507029. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We consider the contribution of scalar and axial-vector diquark having spin-0 and spin-1 respectively.
Satvir Kaur, Harleen Dahiya 2018, 'Wigner distributions and GTMDs in a proton using light-front quark–diquark model',Nuclear Physics Bhttp://www.sciencedirect.com/science/article/pii/S0550321318302967. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A new axial-vector signal, the a1(1420), has been found with unusual properties, pointing to an exotic nature.
Uhl Sebastian 2017, 'Studies of light mesons at COMPASS', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201716407045. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)