Bailey, R.
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rivet Analysis
SEARCH FOR NARROW QUARKONIUM STATES AND PAIR PRODUCTION OF NEW HEAVY QUARKS AT c.m. ENERGIES FROM 33-GeV TO 36.7-GeV

The CELLO collaboration Behrend, H.J. ; Chen, Ch. ; Field, J.H. ; et al.
DESY-81-029, 1981.
Inspire Record 166365 DOI 10.17182/hepdata.45222

None

1 data table
Table 1

CONTINUOUS COVERAGE OF THREE ENERGY RANGES (33.00 TO 33.80, 34.00 TO 35.26 AND 36.08 TO 36.72 GEV PLUS SEVEN ADDITIONAL DATA POINTS AROUND 35.7 GEV).


Measurement of $\Delta - \sigma_L$ in Proton Proton Scattering Between 300-{MeV} and 800-{MeV}

Auer, I.P. ; Ditzler, W.R. ; Hill, D. ; et al.
Phys.Rev.D 24 (1981) 2008, 1981.
Inspire Record 10751 DOI 10.17182/hepdata.51322

We have measured the difference between proton-proton total cross sections for parallel and antiparallel longitudinal spin states [ΔσL=σtot(⇄)−σtot(⇄)] at 13 incident energies between 300 and 800 MeV, which cover the region of possible D21 and F33 diproton resonances. The present experiment has strongly confirmed the structure previously observed at the Argonne Zero Gradient Synchrotron. No additional narrow structure has been found.

1 data table
Table 1

No description provided.


A Measurement of the Nucleon Structure Function From Muon Carbon Deep Inelastic Scattering at High $Q^2$

The BCDMS collaboration Bollini, D. ; Frabetti, P.L. ; Heiman, G. ; et al.
Phys.Lett.B 104 (1981) 403-408, 1981.
Inspire Record 166160 DOI 10.17182/hepdata.71276

Deep inelastic scattering cross sections have been measured with the CERN SPS muon beam at incident energies of 120 and 200 GeV. Approximately 100 000 events at each energy are used to obtain the structure function F 2 ( x , Q 2 ) in the kinematic region 0.3< x <0.7 and 25 GeV 2 < Q 2 <200 GeV 2 .

8 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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OBSERVATION OF pi- MESON CORRELATED EMISSION IN C - Ta INTERACTIONS AT P (0) = 4.2-GEV/c PER NUCLEON

Akhababian, N. ; Angelov, N. ; Baatar, Ts. ; et al.
JINR-E1-81-470, 1981.
Inspire Record 167530 DOI 10.17182/hepdata.9979

None

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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rivet Analysis
Measurement of Hadron Production and Three Jet Event Properties at {PETRA} {MIT}

Barber, D.P. ; Becker, U. ; Bei, G.D. ; et al.
Phys.Lett.B 108 (1982) 63-66, 1982.
Inspire Record 166369 DOI 10.17182/hepdata.31009

We have performed a high statistics measurement of the production rate and the energy flow pattern of hadron events between √ s =33 and 36.7 GeV. The data show no evidence for the production of a new quark with charge 2 3 e . Planar events in e + e − →hadrons are shown to have three well separated jets. The production rate and the shape of three-jet events are compared with many models and we find that only the QCD model can explain the data.

1 data table
Table 1

ENERGY SCAN WITH 7077 HADRON EVENTS.


Charged Particle Multiplicities in ($p p$) Interactions and Comparison With ($e^+ e^-$) Data

Basile, M. ; Cara Romeo, G. ; Cifarelli, L. ; et al.
Nuovo Cim.A 65 (1981) 400, 1981.
Inspire Record 166765 DOI 10.17182/hepdata.37470

By using three different c.m. energies in pp interactions,\(\sqrt s \), 44, 62 GeV, it is shown that the average charged-particle multiplicity sclaes with\(\sqrt s \) once the correct hadronic energy available for multiparticle production,Ehad, is used as basic parameter. The pp data, analysed in this way, are compared with e+e− data at equivalent energies. The agreement is very satisfactory.

6 data tables
Table 1

WITH SQRT(S) OF 30 GEV.

Table 2

WITH SQRT(S) OF 44 GEV.

Table 3

WITH SQRT(S) OF 62 GEV.

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Forward and Backward Multiplicities in $K^- p$ Interactions at 110-{GeV}/$c$

The Aachen-Berlin-CERN-Cracow-London-Vienna-Warsaw collaboration Gottgens, R. ; Kohli, J.M. ; Sixel, P. ; et al.
Z.Phys.C 11 (1981) 189, 1981.
Inspire Record 166387 DOI 10.17182/hepdata.16482

Multiplicity distributions and correlations between charged particles in the forward and back-ward c.m. hemispheres are studied inK−p interactions at 110 GeV/c and compared with other data on mesonnucleon scattering. The interpretation in terms of a simple quark-parton picture assuming that the forward multiplicity is dominated by quark fragmentation and the backward multiplicity by diquark fragmentation is supported by the experimental fact that the forward and the backward mean multiplicities are approximately equal to half of thee+e− andpp multiplicities, respectively. The 110 GeV/cK−p data show significant correlations between the numbers of slow forward and slow backward particles, whereas the multiplicities of fast forward and fast backward particles are independent.

2 data tables
Table 1

CHARGED MULTIPLICITY PER INELASTIC EVENT.

Table 2

NONDIFFRACTIVE SAMPLE ( -0.85 < XL < 0.85 ). CHARGED MULTIPLICITY PER INELASTIC EVENT.


MEASUREMENT OF THE POLARIZED TARGET ASYMMETRY ON gamma p ---> pi+ n IN THE THIRD RESONANCE REGION

Fujii, K. ; Hayashii, H. ; Iwata, S. ; et al.
DPNU-28-81, 1981.
Inspire Record 166957 DOI 10.17182/hepdata.34173

None

4 data tables
Table 1

Axis error includes +- 3/3 contribution.

Table 2

Axis error includes +- 3/3 contribution.

Table 3

Axis error includes +- 3/3 contribution.

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Inclusive Production of $\rho^0$ in Neutrino $p$ Charged Current Interactions

The Aachen-Bonn-CERN-Munich-Oxford collaboration Allen, P. ; Grassler, H. ; Lanske, D. ; et al.
Nucl.Phys.B 194 (1982) 373-385, 1982.
Inspire Record 167027 DOI 10.17182/hepdata.34200

Inclusive ρ 0 production in neutrino-proton charged-current interactions is studied, using a sample of 7831 events obtained in BEBC filled with hydrogen and exposed to the CERN wideband neutrino beam. An average multiplicity of 0.14±0.02 ρ 0 per event is found, corresponding to a ratio 〈 ρ 0 〉/〈 π − 〉=0.13±0.02. The ρ 0 production characteristics are determined as functions of leptonic variables ( W , Q 2 , χ B ) and hadronic variables ( χ F , z , p t 2 ) and are found to be similar to those determined for hadron- and other lepton-induced reactions.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Measurement of the Proton Structure Function F(2) in Muon - Hydrogen Interactions at 120-GeV and 280-GeV

The European Muon collaboration Aubert, J.J. ; Bassompierre, G. ; Becks, K.H. ; et al.
Phys.Lett.B 105 (1981) 315-321, 1981.
Inspire Record 167336 DOI 10.17182/hepdata.31046

The proton structure function F 2 has been measured in the range 2.5 ⪕ Q 2 ⪕ 170 GeV 2 and 0.03 ⪕ x ⪕ 0.65 . Scaling violation is clearly seen in the data. Results of fits to leading-order QCD are presented, together with values of the scale-breaking parameter λ.

40 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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