Midrapidity Antiproton-to-Proton Ratio in pp Collisons at {radical}(s)=0.9 and 7 TeV Measured by the ALICE Experiment

The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at {radical}(s)=0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers the transverse momentum interval 0.45

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Bibliographische Detailangaben
Veröffentlicht in:	Physical review letters 2010-08, Vol.105 (7)
Hauptverfasser:	Aamodt, K., Arsene, I. C., Bravina, L., Dordic, O., Eyyubova, G., Hille, P. T., Kolevatov, R., Kvaerno, H., Lindal, S., Loevhoeiden, G., Milosevic, J., Nilsson, M. S., Nyiri, A., Skaali, T. B., Tveter, T. S., Tywoniuk, K., Abel, N., Alt, T., Angelov, V., Boettger, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCELERATORS ANTIBARYONS ANTIMATTER ANTINUCLEI ANTINUCLEONS ANTIPARTICLES ANTIPROTONS BARYON NUMBER BARYON-BARYON INTERACTIONS BARYONS CERN LHC CYCLIC ACCELERATORS ELEMENTARY PARTICLES ENERGY RANGE FERMIONS GEV RANGE HADRON-HADRON INTERACTIONS HADRONS INTERACTIONS LINEAR MOMENTUM MATTER MEASURING INSTRUMENTS MULTIPARTICLE SPECTROMETERS NUCLEAR REACTION YIELD NUCLEI NUCLEON-NUCLEON INTERACTIONS NUCLEONS PARTICLE IDENTIFICATION PARTICLE INTERACTIONS PARTICLE PROPERTIES PARTICLE RAPIDITY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PROTON-NUCLEON INTERACTIONS PROTON-PROTON INTERACTIONS PROTONS SPECTROMETERS STORAGE RINGS SYNCHROTRONS TEV RANGE TRANSVERSE MOMENTUM YIELDS
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Beschreibung
Zusammenfassung:	The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at {radical}(s)=0.9 and 7 TeV during the initial running periods of the Large Hadron Collider. The measurement covers the transverse momentum interval 0.45
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PHYSREVLETT.105.072002