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Improved dark matter search results from PICO-2L Run 2

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F16%3A00242600" target="_blank" >RIV/68407700:21670/16:00242600 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevD.93.061101" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.93.061101</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.93.061101" target="_blank" >10.1103/PhysRevD.93.061101</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Improved dark matter search results from PICO-2L Run 2

  • Original language description

    New data are reported from a second run of the 2-liter PICO-2L C3F8 bubble chamber with a total exposure of 129 kg-days at a thermodynamic threshold energy of 3.3 keV. These data show that measures taken to control particulate contamination in the superheated fluid resulted in the absence of the anomalous background events observed in the first run of this bubble chamber. One single nuclear-recoil event was observed in the data, consistent both with the predicted background rate from neutrons and with the observed rate of unambiguous multiple-bubble neutron scattering events. The chamber exhibits the same excellent electron-recoil and alpha decay rejection as was previously reported. These data provide the most stringent direct detection constraints on weakly interacting massive particle (WIMP)-proton spin-dependent scattering to date for WIMP masses < 50 GeV/c(2).

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BN - Astronomy and celestial mechanics, astrophysics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/LM2011027" target="_blank" >LM2011027: Project LSM/ULISSE ? contribution of the Czech Republic to the extension of the large research infrastructure of European importance (underground laboratory and construction of SuperNEMO experiment, continuation of the Czech participation)</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    PHYSICAL REVIEW D

  • ISSN

    2470-0010

  • e-ISSN

  • Volume of the periodical

    93

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

  • UT code for WoS article

    000372721800001

  • EID of the result in the Scopus database

    2-s2.0-84960182754