22 citations
7 papers
Double Transverse-Spin Asymmetries for Drell-Yan Process in pp and p\bar{p} Collisions: Role of Nonleading QCD Corrections at Small Transverse Momentum
Hiroyuki Kawamura, Kazuhiro Tanaka
We discuss the double-spin asymmetries in transversely polarized Drell-Yan process, calculating all-order gluon resummation corrections up to the next-to-leading logarithmic accura…
Drell-Yan double-spin asymmetry A_{LT} in polarized p\bar{p} collisions: Wandzura-Wilczek contribution
Yuji Koike, Kazuhiro Tanaka, Shinsuke Yoshida
The longitudinal-transverse spin asymmetry A_{LT} in the polarized Drell-Yan process depends on the twist-3 spin-dependent distributions of nucleon. In addition to the contribution…
Double-spin asymmetries for small-Q_T Drell-Yan pair production in transversely polarized p\bar{p} collisions
Hiroyuki Kawamura, Jiro Kodaira, Kazuhiro Tanaka
We discuss the Drell-Yan process at a measured transverse-momentum of the produced lepton pair in collisions of transversely polarized protons and antiprotons, to be observed…
Determination of f_0(980) Structure by Fragmentation Functions
M. Hirai, S. Kumano, M. Oka +1
We discuss internal structure of an exotic hadron by using fragmentation functions. The fragmentation functions for the f_0(980) meson are obtained by a global analysis of e^++e^-…
Global NLO Analysis of Nuclear Parton Distribution Functions
M. Hirai, S. Kumano, T. -H. Nagai
Nuclear parton distribution functions (NPDFs) are determined by a global analysis of experimental measurements on structure-function ratios F_2^A/F_2^{A'} and Drell-Yan cross secti…
Transversely Polarized Drell-Yan Process and Soft Gluon Resummation in QCD
Hiroyuki Kawamura, Jiro Kodaira, Kazuhiro Tanaka
We calculate the transverse-momentum spectrum of the dilepton in the transversely polarized Drell-Yan process on the basis of the factorization theorem in QCD. We take into a…