Results 81 to 90 of about 3,464 (222)

Tracking the Dynamics of human Colonisation and Adaptation in Central Vanuatu: Preliminary Results From Excavation and Survey at Pangpang, East Efate

Archaeology in Oceania, Volume 61, Issue 1, Page 221-236, April 2026.
ABSTRACT In October 2022 an extensive archaeological landscape was identified by staff of the Vanuatu Cultural Centre at Pangpang on the east coast of Efate Island in central Vanuatu. It included midden deposits on the banks of the Pangpang River near the sea at Forari Bay where Lapita and Early Erueti‐style pottery sherds were recovered.
Stuart Bedford, Iarawai Phillip, Lucas Sarvanu, Edson Willie, Stuart Hawkins, Robert Henderson, Frédérique Valentin, Siri Seoule, Emily Nutman, Phillip Parton   +9 more
wiley   +1 more source

Double D-meson production in proton-proton and proton-lead collisions at the LHC

Physics Letters B, 2020
We consider the simultaneous production of two heavy-flavoured hadrons – particularly D mesons – at the LHC. We base our calculations on collinearly factorized QCD at next-to-leading order, using the contemporary parton distribution functions and D-meson
Ilkka Helenius, Hannu Paukkunen
doaj   +1 more source

Foliar pathogen epidemic slows decomposition of invasive plant litter

Ecology, Volume 107, Issue 4, April 2026.
Abstract Decomposition of plant litter, facilitated primarily by microbial decomposers, plays a critical role in biogeochemical cycling and ecosystem function. The rate of litter decomposition can determine its environmental impact, where accelerated decomposition alters the timing and rate of nutrient release and may promote nutrient leaching, whereas
Brett R. Lane, Chris Wojan, Carlie Meehan, Amy E. Kendig, Robert D. Holt, Philip F. Harmon, Keith Clay, S. Luke Flory, Erica M. Goss   +8 more
wiley   +1 more source

Polarized parton densities and spin dependent structure function of the nucleon

EPJ Web of Conferences, 2017
We study the polarized parton distribution functions (PPDFs) from recent experimental data at the next-to-leading order (NLO) approximation in the fixed-flavor number scheme.
Salimi-Amiri M., Khorramian A., Abdolmaleki H., Ghaffari-Turan A.   +3 more
doaj   +1 more source

A Preliminary Comparison of SOC Storage Between the Traditional Farmland and Well‐Facilitated Farmland Management

Earth's Future, Volume 14, Issue 4, April 2026.
Abstract Soil organic carbon (SOC) is central to the global carbon cycle, yet unsustainable cultivation has resulted in a continuing SOC loss and has made it highly vulnerable to future climate change. In China, the Well‐Facilitated Farmland Construction (WFC) initiative has sought to enhance soil conditions by integrating farmland management units ...
Zheng Wang, Ruiying Zhao, Jie Xue, Rui Lu, Zhongxing Chen, Qiangyi Yu, Wei Chen, Qichun Zhang, Zhou Shi, Songchao Chen   +9 more
wiley   +1 more source

Flavor hierarchy of parton energy loss in quark-gluon plasma from a Bayesian analysis

Physics Letters B
The quenching of light and heavy flavor hadrons in relativistic heavy-ion collisions probes the color and flavor dependences of parton energy loss through a color-deconfined quark-gluon plasma (QGP), and thus offers an important test of QCD-based ...
Wen-Jing Xing, Shanshan Cao, Guang-You Qin   +2 more
doaj   +1 more source

Unbiased Polarised Parton Distribution Functions and their Uncertainties

, 2012
We present preliminary results on the determination of spin-dependent, or polarised, Parton Distribution Functions (PDFs) from all relevant inclusive polarised DIS data. The analysis is performed within the NNPDF approach, which provides a faithful and statistically sound representation of PDFs and their uncertainties.
Nocera, Emanuele R., Forte, Stefano, Ridolfi, Giovanni, Rojo, Juan   +3 more
openaire   +4 more sources

New approach in the quantum statistical parton distribution

Physics Letters B, 2017
An attempt to find simple parton distribution functions (PDFs) based on quantum statistical approach is presented. The PDFs described by the statistical model have very interesting physical properties which help to understand the structure of partons ...
Sozha Sohaily, Mohammad Vaziri (Khamedi)
doaj   +1 more source

Exploring twist-4 chiral-even GPDs in the light-front quark-diquark model

Nuclear Physics B
In this work, we delve into the realm of quantum chromodynamics (QCD) by calculating twist-4 chiral-even generalized parton distributions (GPDs), within the context of the light-front quark-diquark model (LFQDM), focusing specifically on the intriguing ...
Shubham Sharma, Harleen Dahiya
doaj   +1 more source

Gluon quasidistribution function at one loop

European Physical Journal C: Particles and Fields, 2018
We study the unpolarized gluon quasidistribution function in the nucleon at one loop level in the large momentum effective theory. For the quark quasidistribution, power law ultraviolet divergences arise in the cut-off scheme and an important observation
Wei Wang, Shuai Zhao, Ruilin Zhu
doaj   +1 more source