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Experimental Study of the a-Dependence of Inclusive Hadron Fragmentation

Barton, D.S. ; Brandenburg, G.W. ; Busza, W. ; et al.
Phys.Rev.D 27 (1983) 2580, 1983.
Inspire Record 12592 DOI 10.17182/hepdata.23823

Data are presented on the inclusive production of π±, K±, p, and p¯ for π+, K+, and protons incident on nuclear targets at 100 GeV. The results cover the kinematic range 30≤P≤88 GeV/c for Pt=0.3 and 0.5 GeV/c. The observed A dependence of the invariant cross sections exhibits remarkable simplicity, which does not naturally follow from current models of particle production. The results show that the hypothesis of limiting fragmentation can be extended to include collisions with nuclei.

1 data table
Table 1

No description provided.


INVESTIGATIONS OF THE ANGULAR DISTRIBUTIONS OF PROTONS EMITTED FROM NUCLEI IN pi+, pi-. INTERACTIONS AT MOMENTA OF 1.2-GeV/c TO 7.0-GeV/c

Barkov, B.P. ; Bayukov, Yu.D. ; Bobchenko, B.M. ; et al.
ITEP-58-1980, 1980.
Inspire Record 154421 DOI 10.17182/hepdata.40307

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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PARTICLE MULTIPLICITIES AND MULTIPLICITY CORRELATIONS OBSERVED IN pi p COLLISIONS WITH HE NE NUCLEI IN A STREAMER CHAMBER

Allen, R.C. ; Kanofsky, A.S. ; Hasan, M.A. ;
Phys.Rev.C 27 (1983) 670-681, 1983.
Inspire Record 8194 DOI 10.17182/hepdata.38068

We have measured the multiplicities of particles emitted in collisions between π's and p's of 1.5 to 2.5 GeV/c momentum with He and Ne nuclei in a streamer chamber. The chamber gas served as the target as well as the detecting medium. Because of the low density and 4π solid angle of the detector, it was possible to detect nuclear fragments with energies less than 5 MeV, and to essentially count all the particles emitted in a collision. Event distributions as a function of track multiplicity were obtained as well as correlated event distributions. NUCLEAR REACTIONS He (proton or pion, fragments and pions), Ne (proton or pion, fragments and pions), E=1.5, 2.0, 2.5 BeV/c; streamer chamber gas used as target with fragment energies as low as 5 MeV. Measured multiplicities and correlations of produced particle types.

7 data tables
Table 1

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

Table 2

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

Table 3

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

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Study of Pion Absorption Mechanisms in He-4 and Other Nuclei

Jackson, H.E. ; Tabor, S.L. ; Rehm, K.E. ; et al.
Phys.Rev.Lett. 39 (1977) 1601-1604, 1977.
Inspire Record 126555 DOI 10.17182/hepdata.20984

The spectrum and yield of protons produced by 60-, 100-, and 200-MeV π+ and π− beams on targets of He4, C12, Ni62, and Ta181 have been measured at 45° and 90°. A distinct high-energy component is seen in the protons from He4, which is consistent with a two-body absorption mechanism. Its cross section at 220 MeV is somewhat larger than calculated from the π+ + D process. Possible evidence is also seen for multinucleon absorption modes. The data on heavier nuclei are consistent with earlier experiments.

2 data tables
Table 1

No description provided.

Table 2

No description provided.