Mishra, C.S.
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Precision measurement of scaled momentum, charge multiplicity and thrust in nu/mu N and anti-nu/mu N interactions.

The NOMAD collaboration Altegoer, J. ; Angelini, C. ; Astier, P. ; et al.
Phys.Lett.B 445 (1999) 439-448, 1999.
Inspire Record 480555 DOI 10.17182/hepdata.49314

We report the first precision measurements of the scaled momentum, the charge multiplicity, and the thrust of hadronic jets in the Breit frame in Deep Inelastic Scattering ν μ N and ν ̄ μ N charged current events over the Q 2 range from 1 to 100 GeV 2 . The neutrino data, obtained in the NOMAD experiment at the CERN SPS, extend the Q 2 -evolution of these parameters by two orders of magnitude, and with commensurate precision, when compared to those reported by the ep and e + e − experiments.

1 data table
Table 1

Average neutrino energy. Peak postion of distribution on log(1/z) is presented.


rivet Analysis
The role of double parton collisions in soft hadron interactions.

Alexopoulos, T. ; Anderson, E.W. ; Biswas, N.N. ; et al.
Phys.Lett.B 435 (1998) 453-457, 1998.
Inspire Record 480349 DOI 10.17182/hepdata.27080

We have examined charged multiplicities arising from p − p and p− p ̄ collisions over the range of center of mass energies, s , from 30 GeV to 1800 GeV. Results from Tevatron experiment E735 support the presence of double parton interactions. These processes can be seen to account for a large fraction of the increase in the non single diffraction inelastic cross section from energies of about 200 GeV to 1800 GeV.

2 data tables
Table 1

Multiplicity distribution at centre-of-mass energy 1800 GeV.

Table 2

Multiplicity distributions at centre-of-mass energy 300, 546 and 1000 GeV.


rivet Analysis
PION AND KAON MULTIPLICITIES IN HEAVY QUARK JETS FROM e+ e- ANNIHILATION AT 29-GeV

The TPC/Two Gamma collaboration Aihara, H. ; Alston-Garnjost, M. ; Avery, R.E. ; et al.
Phys.Lett.B 184 (1987) 299-304, 1987.
Inspire Record 235694 DOI 10.17182/hepdata.30210

The multiplicities per event of π ± and K ± are measured separately for e + e - annihilation into c c , b b , and light quark pairs at E cm=29 GeV. The K ± multiplicity is higher for heavy quark events than for light quark events. The π ± multiplicity and the π ± scaled differential cross section at low x = E beam/ E beam are found to be higher for b b events than for other events.

5 data tables
Table 1

Numerical values requested from authors. Data given separately for (b bbar), (c cbar) and light quark jets.

Table 2

Measured multiplicities for (b bbar) jets.

Table 3

Measured multiplicities for (c cbar) jets.

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CHARGED HADRON PRODUCTION IN e+ e- ANNIHILATION AT 29-GeV

The TPC/Two Gamma collaboration Aihara, H. ; Alston-Garnjost, M. ; Badtke, D.H. ; et al.
Phys.Rev.Lett. 52 (1984) 577, 1984.
Inspire Record 195994 DOI 10.17182/hepdata.20439

The inclusive production cross sections and mean multiplicities of π±, K±, p, and p¯ in e+e− annihilation at a c.m. energy of 29 GeV have been measured with the time-projection chamber at PEP, using ionization energy loss to separate particle types. On average, 10.7±0.6 π±, 1.35±0.13 K±, and 0.60±0.08 p,p¯ are contained in an annihilation event. The fraction of pions among final-state particles decreases from over 95% at 0.3 GeV/c momentum to about 60% at high momentum; the kaon and proton fractions rise correspondingly.

7 data tables
Table 1

PARTICLE FRACTIONS.

Table 2

PARTICLE FRACTIONS.

Table 3

PARTICLE FRACTIONS.

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