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23 papers found.
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Study on the pattern of vegetative growth in young dioecious trees of Idesia polycarpa maxim

The dioecious Idesia polycarpa all that males and females do not invest in the same way in growth and branching in quantity, type of axes and in time (annual growth and sequence of these events over time). The annual growth of plants is an important indicator for growth and development, especially for younger trees. The aim of this study was to decide the physiological basis for...

Neutrino masses from low scale partial compositeness

We consider a class of models in which the neutrinos acquire Majorana masses through mixing with singlet neutrinos that emerge as composite states of a strongly coupled hidden sector. In this framework, the light neutrinos are partially composite particles that obtain their masses through the inverse seesaw mechanism. We focus on the scenario in which the strong dynamics is...

Electroweak phase transition with spontaneous Z 2 -breaking

This work investigates a simple, representative extension of the Standard Model with a real scalar singlet and spontaneous Z2 breaking, which allows for a strongly first-order phase transition, as required by electroweak baryogenesis. We perform analytical and numerical calculations that systematically include one-loop thermal effects, Coleman-Weinberg corrections, and daisy...

Enhancing sensitivities to long-lived particles with high granularity calorimeters at the LHC

The search for long-lived particles (LLP) is an exciting physics opportunity in the upcoming runs of the Large Hadron Collider. In this paper, we focus on a new search strategy of using the High Granularity Calorimeter (HGCAL), part of the upgrade of the CMS detector, in such searches. In particular, we demonstrate that the high granularity of the calorimeter allows us to see...

Millicharged particles in liquid argon neutrino experiments

Abstract We investigate the potential of Liquid Argon (LAr) neutrino detectors to search for millicharged particles, a well-motivated extension of the standard model. Detectors located downstream of an intense proton beam that is striking a target may be exposed to a large flux of millicharged particles. Millicharged particles interact primarily through low momentum exchange...

Heavy Higgs as a portal to the supersymmetric electroweak sector

Abstract The electroweak sector of the Minimal Supersymmetric Standard Model (MSSM) — neutralinos, charginos and sleptons — remains relatively weakly constrained at the LHC due in part to the small production cross sections of these particles. In this paper, we study the prospects of searching for decays of heavy Higgs bosons into these superpartners at the high luminosity LHC...

Seeking for sterile neutrinos with displaced leptons at the LHC

Abstract We study the signal of long-lived sterile neutrino at the LHC produced through the decay of the W boson. It decays into charged lepton and jets. The characteristic signature is a hard prompt lepton and a lepton from the displaced decay of the sterile neutrino, which leads to a bundle of displaced tracks with large transverse impact parameter. Different from other studies...

Challenges and opportunities for heavy scalar searches in the \( t\overline{t} \) channel at the LHC

Heavy scalar and pseudoscalar resonance searches through the \( gg\to S\to t\overline{t} \) process are challenging due to the peculiar behavior of the large interference effects with the standard model \( t\overline{t} \) background. Such effects generate non-trivial lineshapes from additional relative phases between the signal and background amplitudes. We provide the analytic...

Bio-degradable zinc-ion battery based on a prussian blue analogue cathode and a bio-ionic liquid-based electrolyte

Rechargeable zinc-ion batteries are of high interest for electrical energy storage due to their low cost, high safety, and good energy density. The development of stable and high-performance cathode materials and environmentally friendly electrolytes is of interest for practical applications. Despite many efforts in pursuing batteries with high energy density and long cycle life...

One-step synthesis of an 18F-labeled boron-derived methionine analog: a substitute for 11C-methionine?

Amino acid-based tracers have been extensively investigated for positron emission tomography (PET) imaging of brain tumors, and 11C-methionine (11C-MET) is one of the most extensively investigated. However, widespread clinical use of 11C-MET is challenging due to the short half-life of 11C and low radiolabeling yield. In this issue of the European Journal of Nuclear Medicine and...

Inulin supplementation ameliorates hyperuricemia and modulates gut microbiota in Uox -knockout mice

Inulin is a type of fermentable dietary fiber, which is non-digestible, and can improve metabolic function by modulating intestinal microbiota. This study aimed to evaluate the role of inulin in hyperuricemia and microbial composition of the gut microbiota in a mouse model of hyperuricemia established through knockout of Uox (urate oxidase) gene. KO (Uox-knockout) and WT (wild...

Learning from Higgs physics at future Higgs factories

Future Higgs factories can reach impressive precision on Higgs property measurements. In this paper, instead of conventional focus of Higgs precision in certain interaction bases, we explore its sensitivity to new physics models at the electron-positron colliders. In particular, we study two categories of new physics models, Standard Model (SM) with a real scalar singlet...

The fate of long-lived superparticles with hadronic decays after LHC Run 1

Supersymmetry searches at the LHC are both highly varied and highly constraining, but the vast majority are focused on cases where the final-stage visible decays are prompt. Scenarios featuring superparticles with detector-scale lifetimes have therefore remained a tantalizing possibility for sub-TeV SUSY, since explicit limits are relatively sparse. Nonetheless, the extremely low...

Heavy Higgs bosons and the 2 TeV W ′ boson

The hints from the LHC for the existence of a W ′ boson of mass around 1.9 TeV point towards a certain SU(2) L × SU(2) R × U(1) B−L gauge theory with an extended Higgs sector. We show that the decays of the W ′ boson into heavy Higgs bosons have sizable branching fractions. Interpreting the ATLAS excess events in the search for same-sign lepton pairs plus b jets as arising from W...

Beyond Higgs couplings: probing the Higgs with angular observables at future e + e − colliders

We study angular observables in the \( {e}^{+}{e}^{-}\to ZH\to {\ell}^{+}{\ell}^{-}b\overline{b} \) channel at future circular e + e − colliders such as CEPC and FCC-ee. Taking into account the impact of realistic cut acceptance and detector effects, we forecast the precision of six angular asymmetries at CEPC (FCC-ee) with center-of-mass energy \( \sqrt{s}=240 \) GeV and 5 (30...

Light neutralino dark matter: direct/indirect detection and collider searches

We study the neutralino being the Lightest Supersymmetric Particle (LSP) as a cold Dark Matter (DM) candidate with a mass less than 40 GeV in the framework of the Next-to-Minimal-Supersymmetric-Standard-Model (NMSSM). We find that with the current collider constraints from LEP, the Tevatron and the LHC, there are three types of light DM solutions consistent with the direct...

A cross-sectional study on uric acid levels among Chinese adolescents

BackgroundThe prevalence of hyperuricemia is increasing in adults, while the prevalence among adolescents is seldom reported.MethodsA cross-sectional survey by multistage, stratified sampling method was carried out in Shandong Province during 2017–2018. A total of 9371 adolescents aged from 13 to 19 years were randomly sampled and analyzed in this survey.ResultsThe overall mean...

Association of NEFA composition with insulin sensitivity and beta cell function in the Prospective Metabolism and Islet Cell Evaluation (PROMISE) cohort

Aims/hypothesisOur aim was to determine the longitudinal associations of individual NEFA with the pathogenesis of diabetes, specifically with differences in insulin sensitivity and beta cell function over 6 years in a cohort of individuals who are at risk for diabetes.MethodsIn the Prospective Metabolism and Islet Cell Evaluation (PROMISE) longitudinal cohort, 477 participants...