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Measurements at 0° of negatively charged particles and antinuclei produced in collisions of 14. 6 A GeV/ c Si on Al, Cu, and Au targets

Aoki, M. ; Beatty, J. ; Beavis, D. ; Carroll, J. B. ; Chiba, J. ; Crawford, H. J. ; Debbe, R. ; Doke, T. ; Engelage, J. ; Greiner, L. ; Hayano, R. S. ; Hallman, T. J. ; Heckman, H. H. ; Kashiwagi, T. ; Kikuchi, J. ; Kirk, P. N. ; Lindstrom, P. J. ; Nagamiya, S. ; Stankus, P. ; Tanaka, K. H. ; Shimizu, Y. ; Wang, Z. F.

Physical review letters, 1992-10, Vol.69:16 [Periódico revisado por pares]

United States: American Physical Society (APS)

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Título:
Measurements at 0° of negatively charged particles and antinuclei produced in collisions of 14. 6 A GeV/ c Si on Al, Cu, and Au targets
Autor: Aoki, M. ; Beatty, J. ; Beavis, D. ; Carroll, J. B. ; Chiba, J. ; Crawford, H. J. ; Debbe, R. ; Doke, T. ; Engelage, J. ; Greiner, L. ; Hayano, R. S. ; Hallman, T. J. ; Heckman, H. H. ; Kashiwagi, T. ; Kikuchi, J. ; Kirk, P. N. ; Lindstrom, P. J. ; Nagamiya, S. ; Stankus, P. ; Tanaka, K. H. ; Shimizu, Y. ; Wang, Z. F.
Assuntos: 663450 - Heavy-Ion-Induced Reactions & Scattering- (1992-) ; 663530 - Nuclear Mass Ranges- A=20-38- (1992-) ; 663550 - Nuclear Mass Ranges- A=59-89- (1992-) ; 663580 - Nuclear Mass Ranges- A=190-219- (1992-) ; ALUMINIUM ISOTOPES ; ANTIBARYONS ; ANTIMATTER ; ANTINUCLEI ; ANTINUCLEONS ; ANTIPARTICLES ; ANTIPROTONS ; BARYONS ; BOSONS ; CHARGED-PARTICLE REACTIONS ; COPPER ISOTOPES ; CROSS SECTIONS ; DATA ; DIFFERENTIAL CROSS SECTIONS ; ELEMENTARY PARTICLES ; ENERGY RANGE ; EXPERIMENTAL DATA ; FERMIONS ; GEV RANGE ; GEV RANGE 100-1000 ; GOLD ISOTOPES ; HADRONS ; HEAVY ION REACTIONS ; INFORMATION ; ISOTOPES ; KAONS ; KAONS MINUS ; MATTER ; MESONS ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEAR REACTIONS ; NUCLEI ; NUCLEONS ; NUMERICAL DATA ; PARTICLE PRODUCTION ; PARTICLE PROPERTIES ; PARTICLE RAPIDITY ; PIONS ; PIONS MINUS ; PSEUDOSCALAR MESONS ; SILICON ISOTOPES ; STRANGE MESONS ; STRANGE PARTICLES ; TEV RANGE ; TEV RANGE 01-10 ; TIME-OF-FLIGHT METHOD
É parte de: Physical review letters, 1992-10, Vol.69:16
Notas: USDOE
AC03-76SF00098; FG03-90ER40571; FG02-88ER40413; FG03-86ER40271
Descrição: We report measurements of d¯, p¯, K⁻, and π⁻ produced at 0° in collisions of 14.6{ital A} GeV/c²⁸ Si on Al, Cu, and Au targets. A beam-line focusing spectrometer was used to identify particles at rigidities from -2 to -8 GV. The ratio of d¯/p¯ invariant cross sections at midrapidity (y=1.7) is (1±0.7) x 10⁻⁵, larger than expected from a calculation of d¯ direct production but smaller than predicted by a simple coalescence model. We also report limits on the production of exotic particles.
Editor: United States: American Physical Society (APS)
Idioma: Inglês

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Measurements at 0° of negatively charged particles and antinuclei produced in collisions of 14. 6 A GeV/ c Si on Al, Cu, and Au targets

United States: American Physical Society (APS)

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