TY - RPRT TI - Plasma gradient effect on direct laser acceleration AU - Tang, H. [Univ. of Michigan, Ann Arbor, MI (United States)] (ORCID:0000000348856863) AU - Babjak, R. [Czech Academy of Sciences (CAS), Prague (Czech Republic)] (ORCID:0000000221744987) AU - Yeh, I.-L. [Univ. of California, San Diego, CA (United States)] (ORCID:000000030796717X) AU - Contreras, V. [Univ. of Michigan, Ann Arbor, MI (United States)] (ORCID:0000000206879496) AU - Tangtartharakul, K. [Univ. of California, San Diego, CA (United States)] (ORCID:000000017992924X) AU - Albert, F. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000246128240) AU - Chen, H. [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000201811695) AU - Shaw, J. L. [Univ. of Rochester, NY (United States)] (ORCID:0000000211188921) AU - Vranic, M. [Univ. of Lisbon (Portugal)] (ORCID:0000000337640645) AU - Arefiev, A. V. [Univ. of California, San Diego, CA (United States)] (ORCID:0000000205970976) AU - Willingale, L. [Univ. of Michigan, Ann Arbor, MI (United States)] (ORCID:0000000343040339) PY - 2025 DO - 10.1063/5.0252460 UR - https://www.osti.gov/biblio/3003665 ID - 3003665 ER -