CERN Accelerating science

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1.
Measurement of large transverse momentum positive particles produced at medium angles at $\sqrt{s}$= 52.5 GeV / Cottrell, R L A ; Della Negra, Michel ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Ghesquière, C ; Hanke, P ; Innocenti, Pier Giorgio ; Isenbeck, W et al.
The inclusive spectrum of positive particles has been measured at the ISR energy square root s=52.5 GeV as function of transverse momentum, p/sub T/ for large p/sub T/ values using the split field magnet facility. The angular dependence of the distribution is observed and discussed in the range 9 degrees <or= theta *<or=21 degrees . [...]
CERN-D-Ph-II-PHYS-74-46.- Geneva : CERN, 1975 - 12 p. - Published in : Phys. Lett. B 55 (1975) 341-344
2.
Composition of particles emitted at large p$\_{T}$ and medium angles in pp collisions at $\qrt$s = 52.5 GeV / CERN-Paris(CdF)-Heidelberg-Karlsruhe Collaboration
The relative yields of pions of both charges have been measured in the c.m. angular range 5.5 degrees <or= theta *<or=21 degrees in pp collisions at square root s=52.5 GeV. [...]
1975 - Published in : Phys. Lett. B 59 (1975) 481-4
3.
Observation of leading particles in pp interactions with large transverse momentum secondaries at the CERN-ISR / Della Negra, Michel ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Frenkiel, P ; Ghesquière, Claude ; Gokieli, R ; Hanke, P ; Innocenti, Pier Giorgio et al.
Events with a positive particle of large transverse momentum emitted at medium angles have been studied using the split field magnet spectrometer at the CERN-ISR at a c.m. energy of square root s=52.5 Ge V. [...]
1975 - Published in : Phys. Lett. B 59 (1975) 401-4
4.
Study of events with a positive particle of large transverse momentum emitted near the forward direction in pp collisions at square root $\sqrt^{-}_s$ = 52.5 GeV / Della Negra, M ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Frenkiel, P ; Ghesquière, C ; Gokieli, R ; Hanke, P ; Innocenti, Pier Giorgio et al.
The split field magnetic facility of the CERN ISR has been used to measure events with a secondary particle of large transverse momentum. The selection was done by triggering on positive particles of p/sub T />1.5 GeV/c emitted near the forward direction. [...]
1976 - Published in : Nucl. Phys. B 104 (1976) 365-81
5.
Observation of jet structure in high p/sub T/ events at the ISR and the importance of parton transverse momentum / Negra, M D ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Frenkiel, P ; Ghesquière, C ; Gokieli, R ; Hanke, P ; Hofmann, W et al.
Events with a charged particle of high transverse momentum were studied in pp collisions at square root s=52.5 GeV with the split field magnet at the CERN-ISR, triggering on a charged particle of p /sub T/>2 GeV/c, in the c.m. angular region theta approximately=20 degrees and theta approximately=45 degrees . [...]
1977 - Published in : Nucl. Phys. B 127 (1977) 1-42
6.
Production of vector and tensor mesons in proton-proton collisions at square root s=525 GeV / Drijard, Daniel ; Della Negra, Michel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Geist, W ; Ghesquière, C ; Gokieli, R ; Hanke, P ; Heiden, M et al.
Inclusive production of rho /sup 0/, f, and g/sup 0/ mesons and of K /sub s//sup 0/, K*/sup 0/(892), phi and K*/sup 0/ (1430) mesons has been measured at (p) approximately 2.6 and to (p/sub T/) approximately 1.1 GeV/c in proton-proton interactions at square root s=52.5 GeV. The negative particle from the two-body decays of these resonances were identified by a threshold Cerenkov counter and used for triggering. [...]
1981 - Published in : Z. Phys. C 9 (1981) 293-303
7.
A study of the production of high-p/sub T/ pi /sup 0/s at the CERN Intersecting Storage Rings / Kourkoumelis, C ; Cnops, A M ; Fabjan, Christian Wolfgang ; Fields, T ; Filippas-Tassos, A ; Fokitis, E ; Iwata, S ; Lissauer, D ; Mannelli, I ; Mouzourakis, P et al.
The inclusive cross-section for pi /sup 0/ production near 90 degrees in pp collisions at the CERN Intersecting Storage Rings has been studied fro the p/sub T/ range 3<P/sub T/<16 GeV/c at four different centre-of-mass energies ( square root s=30.6, 44.8, 52.7, and 62.8 Ge V). In this experiment the two photons from the pi /sup O/ to gamma gamma decay were resolved and measured separately for p/sub T/ values up to 10 GeV/c. [...]
1980 - Published in : Z. Phys. C 5 (1980) 95-104
8.
Density, charge and transverse momentum correlations of particles in non-diffractive proton-proton collisions at $\sqrt{s}$ = 52.5 GeV / CERN-Paris(CdF)-Heidelberg-Karlsruhe Collaboration
CERN-EP-PHYS-78-13.- Geneva : CERN, 1979 - 46 p. - Published in : Nucl. Phys. B 155 (1979) 269-294 Fulltext: PDF;
9.
Measurement Of Large Transverse Momentum Positive Particles Produced At Medium Angles At The S**(1/2) = 52.5-gev / Cottrell, R L A ; Della Negra, Michel ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Ghesquière, C ; Hanke, P ; Innocenti, Pier Giorgio ; Isenbeck, W et al.
CERN-D-PH-II-PHYS-74-46.
- 2000.
10.
General characteristics of events with a particle of large transverse momentum in pp collisions at S = 52.5 GeV / Della Negra, Michel (CERN) ; Drijard, Daniel ; Fischer, H G ; Fontaine, G ; Frehse, H ; Frenkiel, P ; Chesquière, C ; Gokieli, R ; Hanke, P ; Innocenti, Pier Giorgio et al.
CERN-EP-PHYS-76-43.
- 1976. - 18 p.
Preprint

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