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Träfflista för sökning "WFRF:(Greiff J) "

Sökning: WFRF:(Greiff J)

  • Resultat 1-10 av 28
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1.
  • 2021
  • swepub:Mat__t
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3.
  • 2019
  • Tidskriftsartikel (refereegranskat)
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4.
  • Bargholtz, Chr., et al. (författare)
  • The WASA detector facility at CELSIUS
  • 2008
  • Ingår i: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 594:3, s. 339-350
  • Tidskriftsartikel (refereegranskat)abstract
    • The WASA 4 pi multidetector system, aimed at investigating light meson production in light ion collisions and eta meson rare decays at the CELSIUS storage ring in Uppsala is presented. A unique feature of the system is the use of hydrogen pellets as internal targets for the first time. A detailed description of the design, together with the anticipated and achieved performance parameters are given. (C) 2008 Elsevier B.V. All rights reserved.
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5.
  • Kren, F., et al. (författare)
  • Exclusive measurements of pp -> d pi(+)pi(0) : Double-pionic fusion without ABC effect
  • 2010
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 684:2-3, s. 110-113
  • Tidskriftsartikel (refereegranskat)abstract
    • Exclusive measurements of the reaction pp -> d pi(+)pi(0) have been carried out at T-p = 1.1 GeV at the CELSIUS storage ring using the WASA detector. The isovector pi(+)pi(0) channel exhibits no enhancement at low invariant pi pi masses, i.e. no ABC effect. Therefore this most basic isovector double-pionic fusion reaction qualifies as an ideal test case for the conventional t-channel Delta Delta excitation process. Indeed, the obtained differential distributions reveal the conventional t-channel Delta Delta mechanism as the appropriate reaction process, which also accounts for the observed energy dependence of the total cross section.
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6.
  • Bashkanov, M., et al. (författare)
  • Exclusive measurements of pd -> He-3 pi pi : The ABC effect revisited
  • 2006
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 637:4-5, s. 223-228
  • Tidskriftsartikel (refereegranskat)abstract
    • Exclusive measurements of the reactions pd -> He-3 pi(+)7 pi(-) and pd -> He-3 pi(0)pi(0) have been carried out at T-p = 0.893 GeV at the CELSIUS storage ring using the WASA detector. The pi(+)pi(-) channel evidences a pronounced enhancement at low invariant pi pi masses-as anticipated from previous inclusive measurements of the ABC effect. This enhancement is seen to be even much larger in the isoscalar pi(0)pi(0) channel. The differential distributions prove this enhancement to be of scalar-isoscalar nature. Delta Delta calculations give a good description of the data, if a boundstate condition is imposed for the intermediate Delta Delta system.
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8.
  • Greiff, J, et al. (författare)
  • Pion production in dp -> dN pi reactions with deuteron projectiles - art. no. 064002
  • 2000
  • Ingår i: PHYSICAL REVIEW C. - : AMERICAN PHYSICAL SOC. - 0556-2813. ; 6206:6, s. 4002-
  • Tidskriftsartikel (refereegranskat)abstract
    • Kinematically complete events have been studied for the reactions dp-->dp pi (0) and dp-->dn pi (+) at projectile energies between 437 and 559 MeV. The measurement covers a range of pion momenta eta =p(pi ,c.m.)(max)/m(pi)c from near the production thresh
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10.
  • Bilger, R, et al. (författare)
  • Cross sections of the pp -> pp pi(0) reaction between 310 and 425 MeV
  • 2001
  • Ingår i: NUCLEAR PHYSICS A. - : ELSEVIER SCIENCE BV. - 0375-9474. ; 693:3-4, s. 633-662
  • Tidskriftsartikel (refereegranskat)abstract
    • Extensive kinematically complete measurements of the pp --> pp pi (0) reaction have been made at six beam energies: 310, 320, 340, 360, 400, and 425 MeV. Angles and energies of both final-state protons are extracted from the forward detector system of the
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  • Resultat 1-10 av 28

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