Abramowicz, H.
Charged Current
[1.0, 2.0]
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Measurement of the Antilambda polarization in nu/mu charged current interactions in the NOMAD experiment.

The NOMAD collaboration Astier, P. ; Autiero, D. ; Baldisseri, A. ; et al.
Nucl.Phys.B 605 (2001) 3-14, 2001.
Inspire Record 554759 DOI 10.17182/hepdata.48928

We present a measurement of the polarization of Antilambda hyperons produced in nu_mu charged current interactions. The full data sample from the NOMAD experiment has been analyzed using the same V0 identification procedure and analysis method reported in a previous paper for the case of Lambda hyperons. The Antilambda polarization has been measured for the first time in a neutrino experiment. The polarization vector is found to be compatible with zero.

2 data tables
Table 1

Lambdabar polarization in regions of Feynman X (XL).

Table 2

Lambdabar polarization in regions of the Bjorken scaling variable X.


The Cross-section Ratio $\sigma(\nu n)/\sigma(\nu p)$ for Charged Current and Neutral Current Interactions Below 10-{GeV}

Jacques, P.F. ; Kalelkar, M. ; Miller, P.A. ; et al.
Phys.Rev.D 24 (1981) 1067-1070, 1981.
Inspire Record 165487 DOI 10.17182/hepdata.24072

We have measured the cross-section ratio σ(νn)σ(νp) for both charged-current and neutral-current interactions at low energy. The experiment used the wide-band neutrino beam at Brookhaven National Laboratory. The detector was the 7-foot bubble chamber filled with a 62% neon-hydrogen mixture. For charged-current events we find that the ratio reaches an asymptotic value of 1.80±0.19 for neutrino energies above 1 GeV. For neutral-current events we measure the ratio to be 1.07±0.24. Both of these results are in agreement with the quark model.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


RESULTS FOR NEUTRAL TO CHARGED CURRENT CROSS-SECTION RATIOS FROM neutrino AND anti-neutrino NUCLEUS INTERACTIONS BELOW 30-GeV

Ammosov, V.V. ; Baranov, D.S. ; Ermolaev, V.I. ; et al.
Z.Phys.C 30 (1986) 569, 1986.
Inspire Record 215972 DOI 10.17182/hepdata.15876

Using the freon filled bubble chamber SKAT in the (anti)neutrino wide band beam of the Serpukhov accelerator we determine the neutral to charged current cross section ratios for neutrinos and antineutrinos below 30GeV. From these ratios we calculate in leading order a mixing parameter of the standard model of Θw=0.215±0.029.

3 data tables
Table 1

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

Table 2

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

Table 3

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