Results 111 to 120 of about 2,678 (202)

Defining Conservation Units in a Highly Diverse Species: A Case on Arctic Charr

Evolutionary Applications, Volume 19, Issue 1, January 2026.
ABSTRACT Defining appropriate conservation units is crucial to the protection and management of biodiversity. These delineations deliver further benefit when they include assessments of population vulnerability to extinction from pressures such as climate change.
Sam Fenton, Colin W. Bean, Samuel A. M. Martin, Samuel J. Poultney, Antony Smith, Elvira de Eyto, Kathryn R. Elmer, Colin E. Adams   +7 more
wiley   +1 more source

Constraining the axion-photon coupling using radio data of the Bullet cluster. [PDF]

Sci Rep, 2021
Chan MH.
europepmc   +1 more source

Shedding Infrared Light on QCD Axion and ALP Dark Matter with JWST

v1: 15 pages, 6 figures.
Saha, Akash Kumar, Bouri, Subhadip, Das, Anirban, Dubey, Abhishek, Laha, Ranjan   +4 more
openaire   +2 more sources

Topography and Soil Moisture Regulate the Temperature‐Biodiversity Relationship of Forests

Global Ecology and Biogeography, Volume 35, Issue 1, January 2026.
ABSTRACT Aim Climate change poses a global threat to forest ecosystems. However, its effects are usually examined independently of local factors, assuming that functionally diverse forest habitat types within a single biome will react similarly. Here we evaluated how temperature influences the taxonomic and functional diversity of tree and shrub guilds,
Alessandro Bricca, Stefan Zerbe, Francesco Maria Sabatini, Benedikt Hiebl, Martin Rutzinger, Michele di Musciano, Giacomo Calvia, Alessandro Chiarucci, Peter Poschlod, Christian Rossi, Nicola Alessi, Gianmaria Bonari   +11 more
wiley   +1 more source

The QCD axion sum rule

Journal of High Energy Physics
We demonstrate that the true QCD axion that solves the strong CP problem can be found in all generality outside the customary standard QCD band, with QCD being the sole source of Peccei-Quinn breaking.
Belén Gavela, Pablo Quílez, Maria Ramos   +2 more
doaj   +1 more source

Searching for Dark Absorption with Direct Detection Experiments

, 2017
We consider the absorption by bound electrons of dark matter in the form of dark photons and axion-like particles, as well as of dark photons from the Sun, in current and next-generation direct detection experiments.
Bloch, Itay M., Essig, Rouven, Tobioka, Kohsaku, Volansky, Tomer, Yu, Tien-Tien   +4 more
core   +1 more source

Breeding habitat preferences and niche partitioning of insectivorous songbirds in Alpine grasslands

Ibis, Volume 168, Issue 1, Page 329-344, January 2026.
Alpine grasslands are increasingly facing pressures of climate and land‐use changes. Higher temperatures and pastoral abandonment lead to treeline shift and to bush encroachment, while agricultural intensification causes soil eutrophication and landscape homogenization. Alpine grasslands in Europe host important populations of mountain specialists that
Yann Rime, Pius Korner, Barbara Helm, Valentin Amrhein, Christoph M. Meier   +4 more
wiley   +1 more source

Searching for axion forces with spin precession in atoms and molecules

Journal of High Energy Physics
We propose to use atoms and molecules as quantum sensors of axion-mediated monopole-dipole forces. We show that electron spin precession experiments using atomic and molecular beams are well-suited for axion searches thanks to the presence of co ...
Prateek Agrawal, Nicholas R. Hutzler, David E. Kaplan, Surjeet Rajendran, Mario Reig   +4 more
doaj   +1 more source

Experimental Targets for Photon Couplings of the QCD Axion

, 2018
The QCD axion's coupling to photons is often assumed to lie in a narrow band as a function of the axion mass. We demonstrate that several simple mechanisms, in addition to the photophilic clockwork axion already in the literature, can significantly ...
Agrawal, Prateek, Fan, JiJi, Reece, Matthew, Wang, Lian-Tao   +3 more
core   +1 more source

Direct search for dark matter axions excluding ALP cogenesis in the 63- to 67-μeV range with the ORGAN experiment. [PDF]

Sci Adv, 2022
Quiskamp A, McAllister BT, Altin P, Ivanov EN, Goryachev M, Tobar ME.   +5 more
europepmc   +1 more source