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A Search for Longlived Neutral Heavy Leptons in 400 GeV/c Proton Interactions

Bechis, D.J. ; Chang, C.Y. ; Dombeck, T.W. ; et al.
Phys.Rev.Lett. 40 (1978) 602-604, 1978.
Inspire Record 6478 DOI 10.17182/hepdata.37888

We report a null search for neutral heavy leptons produced unaccompanied by muons in 400-GeV/c proton-nucleon collisions in a magnetized beam dump and decaying in vacuum downstream. The upper limit on σB for L0's with Feynman x≳0.2 and θlab≲10 mrad with branching ratio B into two charged particles is σB≲2.8×10−35 cm2/nucleon at the 90% confidence level for masses below 1.0 GeV/c2 and lifetimes between 10−10 and 10−8 sec.

1 data table match query
Table 1

No description provided.


Measurement of differential cross sections for charge exchange of $\pi^{-}$ mesons in carbon at 40 GeV/c

Apokin, V.D. ; Vasiliev, A.N. ; Matulenko, Yu.A. ; et al.
Sov.J.Nucl.Phys. 36 (1982) 694-697, 1982.
Inspire Record 178549 DOI 10.17182/hepdata.10721

None

2 data tables match query
Table 2

No description provided.

Table 4

No description provided.


Study of the reaction pi- p ---> eta-prime eta-prime n

Berdnikov, E.B. ; Bityukov, S.I. ; Borisov, G.V. ; et al.
Z.Phys.C 57 (1993) 13-16, 1993.
Inspire Record 340793 DOI 10.17182/hepdata.14498

The reaction π−p→η′η′n has been studied atpπ=37 GeV/c. Total of 14 events of this reaction have been selected. It has been shown that in the effective mass spectrum of the η′η′ system the events are concentrated mainly near the reaction threshold, which might be caused by the decayX(1910)→η′η′. The reaction cross-section has been evaluated: σ(π−p→η′η′n)=110±40 nb.

2 data tables match query
Table 1

No description provided.

Table 2

No description provided.


Investigation of inverse beta decay on protons at the upgraded detector Deuteron.

Vyrodov, V.N. ; Kozlov, Yu.N. ; Gurevich, M.I. ; et al.
Phys.Atom.Nucl. 61 (1998) 760-770, 1998.
Inspire Record 475392 DOI 10.17182/hepdata.17081

None

1 data table match query
Table 1

No description provided.