Anashin, V.V.
PT
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$\gamma$ and $\pi^0$ Production in $\bar{p} p$ Interactions at 22.4-{GeV}/$c$

The Dubna-Alma Ata-Helsinki-Moscow-Prague-Tbilisi collaboration Batyunya, B.V. ; Boguslavsky, I.V. ; Gramenitsky, I.M. ; et al.
Sov.J.Nucl.Phys. 32 (1980) 684, 1980.
Inspire Record 154051 DOI 10.17182/hepdata.18075

None

17 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Analyzing the features of pi- mesons and protons from A C interactions at a momentum of p = 4.2-GeV/c per projectile nucleon on the basis of the FRITIOF model.

Baatar, T. ; Bondarenko, A.I. ; Bondarenko, R.A. ; et al.
Phys.Atom.Nucl. 63 (2000) 839-844, 2000.
Inspire Record 533011 DOI 10.17182/hepdata.17089

The mean multiplicities of π− mesons and protons originating from pC, dC, αC, and CC interactions at a momentum of p=4.2 GeV/c per projectile nucleon and the distributions of these particles in kinematical variables are presented. These experimental distributions are compared with the corresponding predictions obtained on the basis of the FRITIOF model. It is shown that the FRITIOF version used in the present analysis describes satisfactorily our experimental data.

16 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Azimuthal anisotropy and correlations in the hard scattering regime at RHIC.

The STAR collaboration Adler, C. ; Ahammed, Z. ; Allgower, C. ; et al.
Phys.Rev.Lett. 90 (2003) 032301, 2003.
Inspire Record 588226 DOI 10.17182/hepdata.98579

Azimuthal anisotropy ($v_2$) and two-particle angular correlations of high $p_T$ charged hadrons have been measured in Au+Au collisions at $\sqrt{s_{NN}}$=130 GeV for transverse momenta up to 6 GeV/c, where hard processes are expected to contribute significantly. The two-particle angular correlations exhibit elliptic flow and a structure suggestive of fragmentation of high $p_T$ partons. The monotonic rise of $v_2(p_T)$ for $p_T<2$ GeV/c is consistent with collective hydrodynamical flow calculations. At $\pT>3$ GeV/c a saturation of $v_2$ is observed which persists up to $p_T=6$ GeV/c.

4 data tables
Figure 2

$v_{2}$($p_{T}$) for different collision centralities. The errors are statistical only. The systematic uncertainties, which are highly correlated point-to-point, are $^{+5}_{-20}%$.

Figure 3

$v_{2}$($p_{T}$) for minimum-bias events (circles). The error bars represent the statistical errors and the caps show the systematic uncertainty. The data are compared with hydro+pQCD calculations [9] assuming the initial gluon density $dN^{g}/dy$ = 1000 (dashed line), 500 (dotted line), and 200 (dashed-dotted line). Also shown are pure hydrodynamical calculations [16] (solid line).

Figure 4 up

High $p_{T}$ azimuthal correlation functions for central events. Upper panel: Correlation function for $|\Delta\eta|$ < 0.5 (solid circles) and scaled correlation function for 0.5 < $|\Delta\eta|$ < 1.4 (open squares). Lower panel: Difference of the two correlation functions. Also shown are the fits to the data (described in the text).

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DOUBLE CHARGE EXCHANGE OF NEGATIVE PIONS IN INCLUSIVE REACTIONS ON NUCLEI AT 40-GeV/c

Ananeva, M.A. ; Vishnyakov, V.V. ; Dikusar, N.D. ; et al.
EPL 4 (1987) 987, 1987.
Inspire Record 231157 DOI 10.17182/hepdata.9972

Inclusive production of π+ on four nuclear targets has been studied using a 40 GeV/c π- beam at the Serpukhov accelerator. No noticeable A-dependence has been found.

3 data tables
Table 1

'CM' MEAN PION NUCLEON REST SYSTEM.

Table 2

No description provided.

Table 3

No description provided.


EXCLUSIVE REACTIONS IN pi+ p INTERACTIONS AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Borovikov, A.A. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 821, 1981.
Inspire Record 165497 DOI 10.17182/hepdata.41255

None

19 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Fragmentation characteristics of relativistic carbon nucleus at its interaction with hydrogen

Belaga, V.V. ; Bondarenko, A.I. ; Karshiev, D.A. ; et al.
Phys.Atom.Nucl. 59 (1996) 991-996, 1996.
Inspire Record 404821 DOI 10.17182/hepdata.38625

None

3 data tables
Table 1

FRAGB - BEAM FRAGMENT WITH Z>=2.


Fragmentation of a carbon nucleus into three alpha particles at an incident momentum of 4.2-GeV/c per nucleon in a propane bubble chamber.

Belaga, V.V. ; Bondarenko, A.I. ; Kanarek, T. ; et al.
Phys.Atom.Nucl. 59 (1996) 832-840, 1996.
Inspire Record 402733 DOI 10.17182/hepdata.38626

None

1 data table
Table 1

No description provided.


Fragmentation of relativistic carbon nuclei undergoing inelastic collisions with progane and tantalum nuclei.

Belaga, V.V. ; Bondarenko, A.I. ; Kanarek, T. ; et al.
Phys.Atom.Nucl. 59 (1996) 1935-1941, 1996.
Inspire Record 403063 DOI 10.17182/hepdata.17175

None

8 data tables
Table 1

C3H8 nucleus. P, DEUT and TRITIUM in the final state are considered as spectators.

Table 2

P, DEUT and TRITIUM in the final state are considered as spectators.

Table 3

C_3 H_8 nucleus. P in the final state are considered as spectators.

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GENERAL FEATURES OF MULTIPARTICLE REACTIONS K+ p ---> K+ p 3 pi+ 3 pi- AND K+ p ---> K+ p 4 pi+ 4 pi- at 32-GeV/c

The USSR-CERN collaboration Azhinenko, I.V. ; Belokopytov, Yu.A. ; Bryzgalov, V.V. ; et al.
Sov.J.Nucl.Phys. 37 (1983) 883, 1983.
Inspire Record 181652 DOI 10.17182/hepdata.41139

None

4 data tables
Table 1

No description provided.

Table 2

FORWARD-BACKWARD ASYMMETRY OF PARTICLE ... PRODUCTION ENCODED IN THIS TABLE AS (SIG(C=... FORW)-SIG(C=... BACKW))/(SIG(C=... FORW)+SIG(C=... BACKW)).

Table 3

FORWARD-BACKWARD ASYMMETRY OF PARTICLE ... PRODUCTION ENCODED IN THIS TABLE AS (SIG(C=... FORW)-SIG(C=... BACKW))/(SIG(C=... FORW)+SIG(C=... BACKW)).

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Version 2
Global polarization measurement in Au+Au collisions

The STAR collaboration Abelev, B.I. ; Aggarwal, M.M. ; Ahammed, Z. ; et al.
Phys.Rev.C 76 (2007) 024915, 2007.
Inspire Record 750410 DOI 10.17182/hepdata.98581

The system created in non-central relativistic nucleus-nucleus collisions possesses large orbital angular momentum. Due to spin-orbit coupling, particles produced in such a system could become globally polarized along the direction of the system angular momentum. We present the results of Lambda and anti-Lambda hyperon global polarization measurements in Au+Au collisions at sqrt{s_NN}=62.4 GeV and 200 GeV performed with the STAR detector at RHIC. The observed global polarization of Lambda and anti-Lambda hyperons in the STAR acceptance is consistent with zero within the precision of the measurements. The obtained upper limit, |P_{Lambda,anti-Lambda}| <= 0.02, is compared to the theoretical values discussed recently in the literature.

11 data tables
Figure 2

(Color online) Invariant mass distribution for the $\Lambda$ (filled circles) and $\overline{\Lambda}$ (open squares) candidates after the quality cuts for Au+Au collisions at $\sqrt{s_{NN}}$=62.4 GeV (centrality region 0-80%).

Figure 3

(Color online) Global polarization of $\Lambda$–hyperons as a function of $\Lambda$ transverse momentum $p^{\Lambda}_{t}$. Filled circles show the results for Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV (centrality region 20-70%) and open squares indicate the results for Au+Au collisions at $\sqrt{s_{NN}}$=62.4 GeV (centrality region 0-80%). Only statistical uncertainties are shown.

Figure 4

(Color online) Global polarization of $\Lambda$–hyperons as a function of $\Lambda$ pseudorapidity $\eta^{\Lambda}$. Filled circles show the results for Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV (centrality region 20-70%). A constant line fit to these data points yields $P_{\Lambda}=(2.8\pm 9.6)\times 10^{-3}$ with $\chi^{2}/ndf=6.5/10$. Open squares show the results for Au+Au collisions at $\sqrt{s_{NN}}$=62.4 GeV (centrality region 0-80%). A constant line fit gives $P_{\Lambda}=(1.9\pm 8.0)\times 10^{-3}$ with $\chi^{2}/ndf=14.3/10$. Only statistical uncertainties are shown.

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