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Tensor analyzing power T(20) for cumulative pion production from deuterons in a GeV energy region.

Afanasev, S. ; Anisimov, Yu. ; Fujieda, M. ; et al.
Nucl.Phys.A 625 (1997) 817-831, 1997.
Inspire Record 454165 DOI 10.17182/hepdata.36286

The tensor analyzing power T 20 for the reaction d ↑ + 12 C → π ± (0°) + X has been measured with a polarized deuteron beam from 6.2 to 9.0 GeV/ c at a pion momentum3.0 GeV/ c . This experiment is focused on “cumulatively produced pions”, which are produced beyond the kinematically allowed limit for free nucleon-nucleon collisions. The measured values of T 20 turn out to be close to zero. They are in disagreement with the results of our impulse approximation calculation which is based on a single NN → πNN interaction and takes into account the internal motion of nucleons in the deuteron. Possible explanations of the result are discussed.

3 data tables

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Subthreshold antiproton production in p A, d A and alpha A reactions.

Sugaya, Y. ; Ashery, D. ; Chiba, J. ; et al.
Nucl.Phys.A 634 (1998) 115-140, 1998.
Inspire Record 466882 DOI 10.17182/hepdata.36236

An enormous enhancement of antiproton production in deuteron- and α-induced reactions has been observed in the subthreshold energy region between 2 and 5 GeV/nucleon. Antiprotons produced at 5.1° with a momentum range of between 1.0 and 2.5 GeV/ c were measured by a beam-line spectrometer and identified by the time-of-flight method. The production cross sections in the deuteron- and α-induced reactions at an incident energy of 3.5 GeV/nucleon were 2 and 3 orders of magnitude larger than those in proton-induced reaction at the same energy. The enhancement in light-ion reactions could not be explained by the internal motion in the projectile and target nuclei. The target-mass dependence (C, Al, Cu and Pb) of the cross sections has also been studied. Further, the cross sections of π and K productions were measured.

74 data tables

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Inclusive spectra of pi- mesons with cumulative number n(c) > 0.35 produced in d C, He C, and C C interactions at 4.2-GeV/c per nucleon.

Baatar, Ts. ; Batsaikhan, Ts. ; Ivanovskaya, I.A. ; et al.
Sov.J.Nucl.Phys. 53 (1991) 292-296, 1991.
Inspire Record 295859 DOI 10.17182/hepdata.38726

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2 data tables

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General characteristics of pi- mesons produced in d (C), alpha (C) interactions at 1-GeV/N and 3.3-GeV/N

Viryasov, N.M. ; Gulkanian, G.R. ; Kakoyan, V.G. ; et al.
JINR-P1-90-521, 1990.
Inspire Record 304495 DOI 10.17182/hepdata.38730

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5 data tables

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pi- meson production in the interaction of deuterons at 1-GeV per nucleon with carbon and beryllium extended targets

Viryasov, N.M. ; Gulkanian, G.R. ; Kakoyan, V.G. ; et al.
JINR-P1-91-455, 1991.
Inspire Record 322742 DOI 10.17182/hepdata.38652

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6 data tables

Axis error includes +- 0.0/0.0 contribution (?////).

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MOMENTUM AND ANGULAR DISTRIBUTIONS OF pi- MESONS PRODUCED IN d C INTERACTIONS AT 1-GeV/N

Viryasov, N.M. ; Grigorian, V.A. ; Gulkanian, G.R. ; et al.
JINR-P1-89-511, 1989.
Inspire Record 285509 DOI 10.17182/hepdata.38758

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4 data tables

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(1/N)*D(N)/D(P) HAS BEEN FITTED BY (P/MEAN(N=P))**POWER* EXP(-SLOPE*SQRT(P/MEAN(N=P))).

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EXPERIMENTAL DATA ON CUMULATIVE PION PRODUCTION AT 8.9-GeV/c PROTON INTERACTION WITH LIGHT NUCLEI

Baldin, A.M. ; Bondarev, V.K. ; Giordenescu, N. ; et al.
JINR-1-82-28, 1982.
Inspire Record 184670 DOI 10.17182/hepdata.71072

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49 data tables

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One-spin pion asymmetry in the d(pol.) + A --> pi+- + X processes near Theta(pi) = 90-degrees.

Averichev, G.S. ; Agakishiev, G. ; Asanova, M.E. ; et al.
Dubna JINR - 1(69)-95 (95/04,rec.Jul.) 27-36, 1995.
Inspire Record 404986 DOI 10.17182/hepdata.70491

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1 data table

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