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Exclusive electroproduction of K+Lambda and K+Sigma(0) final states at Q(2)=0.030-0.055 (GeV/c)(2)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F12%3A00384945" target="_blank" >RIV/61389005:_____/12:00384945 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1140/epja/i2012-12014-9" target="_blank" >http://dx.doi.org/10.1140/epja/i2012-12014-9</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1140/epja/i2012-12014-9" target="_blank" >10.1140/epja/i2012-12014-9</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Exclusive electroproduction of K+Lambda and K+Sigma(0) final states at Q(2)=0.030-0.055 (GeV/c)(2)

  • Original language description

    Cross-section measurements of the exclusive p(e, e' K+)Lambda, Sigma(0) electroproduction reactions have been performed at the Mainz Microtron MAMI in the A1 spectrometer facility using for the first time the Kaos spectrometer for kaon detection. These processes were studied in a kinematical region not covered by any previous experiment. The nucleon was probed in its third-resonance region with virtual photons of low four-momenta, Q(2) - 0.030-0.055 (GeV/c)(2). The MAMI data indicate a smooth transitionin Q(2) from photoproduction to electroproduction cross-sections. Comparison with predictions of effective Lagrangian models based on the isobar approach reveal that strong longitudinal couplings of the virtual photon to the N* resonances can be excluded from these models. Modern isobar and Regge-plus-resonance models are in agreement with the data.

  • Czech name

  • Czech description

Classification

  • Type

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

  • CEP classification

    BG - Nuclear, atomic and molecular physics, accelerators

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F08%2F0984" target="_blank" >GA202/08/0984: Study of hypernuclei</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2012

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    European Physical Journal A

  • ISSN

    1434-6001

  • e-ISSN

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    14

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    8

  • Pages from-to

    1-8

  • UT code for WoS article

    000300898300010

  • EID of the result in the Scopus database