Telegdi, V.L.
AMP
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Coherent $K$(s) Regeneration on Protons From 30-{GeV}/$c$ to 130-{GeV}/$c$

Bock, G.J. ; Aronson, S.H. ; Freudenreich, K. ; et al.
Phys.Rev.Lett. 42 (1979) 350, 1979.
Inspire Record 7461 DOI 10.17182/hepdata.20779

Precise measurements att=0 of the KLp→KSp amplitude (modulus and phase) were made. Over 50000 Kπ2 decays along with normalizing Kμ3 events were detected behind a 7.2-m-long liquid-hydrogen regenerator. The momentum dependence of the modulus and phase are presented, and the results are combined with those of other experiments to extract the relevant parameters of ω exchange.

2 data tables
Table 1

RESULTS USING ETA+- = 2.15E-3.

Table 2

RESULTS USING ETA+- = 2.27E-3.


Precise Coherent $K_S$ Regeneration Amplitudes for C, Al, Cu, {SN} and Pb Nuclei From 20-{GeV}/$c$ to 140-{GeV}/$c$ and Their Interpretation

Gsponer, A. ; Hoffnagle, J. ; Molzon, W.R. ; et al.
Phys.Rev.Lett. 42 (1979) 13, 1979.
Inspire Record 6964 DOI 10.17182/hepdata.20800

We have determined the coherent KS regeneration amplitudes on various nuclei, from 20 to 140 GeV/c, using a particularly systematics-free technique. Our results are well represented by |(f−f¯)k|=2.23A0.758p−0.614 mb. This p dependence corresponds to an effective "nuclear" intercept ``αω(0)''=0.386±0.009, whereas the elementary value is αω(0)=0.44±0.01. Comparisons are made with data below 25 GeV/c, and with optical-model predictions. The latter work only if "αω(0)" is postulated to hold for the elementary amplitudes.

1 data table
Table 1

No description provided.


Coherent Regeneration of $K_s$'s by Carbon as a Test of Regge Pole Exchange Theory

Roehrig, J. ; Gsponer, A. ; Molzon, W.R. ; et al.
Phys.Rev.Lett. 38 (1977) 1116, 1977.
Inspire Record 5134 DOI 10.17182/hepdata.21018

A measurement of the coherent regeneration amplitude in carbon in the energy range 30-130 GeV is presented. The results are consistent with the dominance of this process by ω exchange, and a precise value of the intercept of the ω trajectory is obtained: αω(0)=0.390±0.014.

1 data table
Table 1

No description provided.


Transmission regeneration of neutral k-mesons on hydrogen in the momentum region of 14-42 gev/c

Birulev, V.K. ; Fadeev, N.G. ; Golovanov, L.B. ; et al.
Phys.Lett.B 38 (1972) 452-456, 1972.
Inspire Record 75815 DOI 10.17182/hepdata.28334

The measurements of the transmission regeneration amplitude on hydrogen in the momentum region of 14–42 GeV/ c indicate that in accordance with the Pomeranchuk theorem its magnitude |ƒ° − ƒ °|/k decreases as energy increases and its phase is approximately constant and equal to arg (ƒ° − ƒ °) = (−118 ± 13)° .

1 data table
Table 1

THE REGENERATION AMPLITUDE DECREASES OVER THIS ENERGY RANGE.


Transmission regeneration of neutral k-mesons on hydrogen in the momentum region 14-42 gev/c

Birulev, V.K. ; Vovenko, A.S. ; Vestergombi, G. ; et al.
Yad.Fiz. 15 (1972) 959-965, 1972.
Inspire Record 76029 DOI 10.17182/hepdata.19284

None

1 data table
Table 1

No description provided.