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Measurement of the forward-backward asymmetry in Lambda(0)(b) and (Lambda)over-bar(b)(0) baryon production in p(p)over-bar collisions at root s=1.96 TeV
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2015 (engelsk)Inngår i: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 91, nr 7, artikkel-id 072008Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We measure the forward-backward asymmetry in the production of Lambda(0)(b) and (Lambda) over bar (0)(b) baryons as a function of rapidity in p (p) over bar collisions at root s = 1.96 TeV using 10.4 fb(-1) of data collected with the D0 detector at the Fermilab Tevatron collider. The asymmetry is determined by the preference of Lambda(0)(b) or (Lambda) over bar (0)(b) particles to be produced in the direction of the beam protons or antiprotons, respectively. The measured asymmetry integrated over rapidity y in the range 0.1 < vertical bar y vertical bar < 2.0 is A = 0.04 +/- 0.07(stat) +/- 0.02(syst).

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2015. Vol. 91, nr 7, artikkel-id 072008
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URN: urn:nbn:se:uu:diva-252994DOI: 10.1103/PhysRevD.91.072008ISI: 000353461000001OAI: oai:DiVA.org:uu-252994DiVA, id: diva2:812991
Tilgjengelig fra: 2015-05-21 Laget: 2015-05-18 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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