We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5.3 fb(-1) of proton-antiproton collisions at √s = 1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t' ̄t' production cross section that exclude at the 95% C.L. a t' quark that decays exclusively to W+jet with a mass below 285 GeV. We observe a small excess in the μ+jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1103/PhysRevLett.107.082001 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Molecular mechanisms of cis-oxygen bridge neonicotinoids to Apis mellifera Linnaeus chemosensory protein: Surface plasmon resonance, multiple spectroscopy techniques, and molecular modeling.
Ecotoxicol Environ Saf
January 2025
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China. Electronic address:
Honeybees, essential pollinators for maintaining biodiversity, are experiencing a sharp population decline, which has become a pressing environmental concern. Among the factors implicated in this decline, neonicotinoid pesticides, particularly those belonging to the fourth generation, have been the focus of extensive scrutiny due to their potential risks to honeybees. This study investigates the molecular basis of these risks by examining the binding interactions between Apis mellifera L.
View Article and Find Full Text PDFComparison: Imported and Indigenous HIV Fourth-generation immunodiagnostic kits.
Asian J Transfus Sci
December 2024
Immunodiagnostic Kit Laboratory, National Institute of Biologicals, Noida, Uttar Pradesh, India.
Early detection of any disease is always a life-saving methodology for human beings likewise the detection of p24 antigen is always better than the detection of HIV antibodies. In the current era, p24 antigen is added additionally in HIV antibodies detection assays and called HIV fourth-generation immunodiagnostic kit. The different HIV fourth-generation kit having different capacities to pick up the low concentration of analyte as well as represent the detection values in different units.
View Article and Find Full Text PDFA Multicenter Study of Pulmonary Critical Care Trainees' Perception of Airway Management Training during Fellowship.
ATS Sch
December 2024
Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, Pennsylvania.
Background: There is significant variability in airway management training among pulmonary and critical care medicine (PCCM) fellows.
Objective: To assess the airway management training of PCCM fellows, specifically evaluating the role of the institutional approach to intubations (anesthesia-predominant primary operators vs. PCCM-predominant) to the overall fellows' educational experience.
Single-cell profiling transcriptomic reveals cellular heterogeneity and cellular crosstalk in breast cancer lymphatic node, bone, and brain metastases.
Sci Rep
January 2025
Department of Radiotherapy Oncology, The Fourth Hospital of Hebei Medical University, No. 169, Tianshan Street, Hebei, Shijiazhuang, 050035, Hebei Province, China.
Breast cancer is the most common malignant tumor in the world, and its metastasis is the main cause of death in breast cancer patients. However, the differences between primary breast cancer tissue and lymphatic node, bone, and brain metastases at the single-cell level are not fully understood. We analyzed the microenvironment heterogeneity in samples of primary breast cancer (n = 4), breast cancer lymphatic node metastasis (n = 4), breast cancer brain metastasis (n = 3), and breast cancer bone metastasis (n = 2) using single-cell sequencing data from the GEO database.
View Article and Find Full Text PDFComplex p53 dynamics regulated by miR-125b in cellular responses to reactive oxidative stress and DNA damage.
Brief Bioinform
November 2024
Department of Translational Research, Dasman Diabetes Institute, Dasman 15462, Kuwait City, Kuwait.
In response to distinct cellular stresses, the p53 exhibits distinct dynamics. These p53 dynamics subsequently control cell fate. However, different stresses can generate the same p53 dynamics with different cell fate outcomes, suggesting that the integration of dynamic information from other pathways is important for cell fate regulation.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!