Understanding the J/psi Production Mechanism at PHENIX

Understanding the Particle Production Mechanism with Correlation Studies Using Long and Short Range Correlations

Understanding the Role of Jet and Underlying Event in p+p and d+Au Collisions from PHENIX at RHIC

Understanding Ultracold Neutron Production in Oxygen Solids from Volume and Temperature Dependent Yields

Unified Analysis of Spin Isospin Responses of Nuclei

Universal anti-baryon density in $e^+e^-$,$γp$, pp, pA and AA collisions

Universal Behavior of Charged Particle Production in Heavy Ion Collisions

Universal Behavior of Charged Particle Production in Heavy Ion Collisions at RHIC Energies

Universal Centrality and Collision Energy Trends for $v_2$ Measurements From 2D Angular Correlations

Universal fluctuations in heavy-ion collisions in the Fermi energy domain

Universal fluctuations: a new approach to the study of "phase transitions" in intermediate energy heavy ion collisions

Universal Pion Freeze-out in Heavy-Ion Collisions

Universality of Spectator Fragmentation at Relativistic Bombarding Energies

Unpolarized nucleon structure studies utilizing polarized electromagnetic probes

Untriggered di-hadron correlations in Pb-Pb collisions at $\sqrt{s_{NN}} =$ 2.76 TeV from ALICE

Update of High Resolution (e,e'K^+) Hypernuclear Spectroscopy at Jefferson Lab's Hall A

Upgrade of the Glasgow photon tagging spectrometer for Mainz MAMI-C

Upper Bounds on Parity Violating Gamma-Ray Asymmetries in Compound Nuclei from Polarized Cold Neutron Capture

Upper limit for the cross section of the overlapping scalar resonances f0(980) and a0(980) produced in proton-proton collisions in the range of the reaction threshold

Upper Limit of D0 Production in Central Pb-Pb Collisions at 158A GeV