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Reactions of Cold Trapped CH+ Ions with Slow H Atoms

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10106693" target="_blank" >RIV/00216208:11320/11:10106693 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1088/0004-637X/737/2/60" target="_blank" >http://dx.doi.org/10.1088/0004-637X/737/2/60</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/0004-637X/737/2/60" target="_blank" >10.1088/0004-637X/737/2/60</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Reactions of Cold Trapped CH+ Ions with Slow H Atoms

  • Original language description

    The destruction of CH+ ions in collisions with H atoms has been studied in a temperature-variable 22 pole ion trap (22PT) combined with a cold effusive H-atom beam. The stored ions are relaxed to temperatures of T 22PT GREATER-THAN OR EQUAL TO 12 K. Thehydrogen atoms, produced in a radio frequency discharge, are slowed down to various temperatures of T ACC GREATER-THAN OR EQUAL TO 7 K. They are formed into an effusive beam. The effective density of the hydrogen atoms in the trap as well as the H2 background are determined in situ using chemical probing with CO2 +. The experimental arrangement allows us not only to measure thermal rate coefficients (T 22PT = T ACC), but also to extract state-specific rate coefficients k(J,T t) at selected translationaltemperatures T t and for the CH+ rotational states J = 0, 1, and 2. The measured thermal rate coefficients have a maximum at 60 K, k = (1.2 +- 0.5)x10^(-9) cm^(3) s^(-1). Toward higher temperatures, they fall off in accordance with previ

  • Czech name

  • Czech description

Classification

  • Type

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

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Astrophysical Journal

  • ISSN

    0004-637X

  • e-ISSN

  • Volume of the periodical

    737

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    60, 1-7

  • UT code for WoS article

    000294013600014

  • EID of the result in the Scopus database