Analysis of the Reaction K- p --> K- pi- pi+ p at 40-GeV/c

The CERN-Serpukhov Boson Spectrometer Group collaboration Antipov, Yu.M. ; Ascoli, G. ; Busnello, R. ; et al.
Nucl.Phys.B 86 (1975) 381-402, 1975.
Inspire Record 90643 DOI 10.17182/hepdata.32087

The reaction K − p → K − π − π + p has been measured at 25 and 40 GeV/ c at the Serpukhov Proton Accelerator. The production cross section at 25 and 40 GeV/ c as a function of momentum transfer and K ππ mass is presented, and results of the partial-wave analysis of the K ππ system yielding information about Q(1300), K ∗ (1400) and L(1770) mesons are discussed.

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Partial Wave Analysis of the Q Region in the Reactions K- p --> K- pi+ pi- p and K- p --> anti-K0 pi- pi0 p at 14.3-GeV/c

Tovey, S.N. ; Hansen, J.D. ; Paler, K. ; et al.
Nucl.Phys.B 95 (1975) 109-129, 1975.
Inspire Record 2363 DOI 10.17182/hepdata.31975

We have studied the reactions K − p → K − π + π − p and K − p → K 0 π − π 0 p at 14.3 GeV/ c using respectively 15 992 and 3723 events. Partial-wave analysis of the region 1.0 < m (K ππ ) < 1.7 GeV have been made using a modified version of the method developed at the University of Illinois.

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Evidence for Structure in the 1+ State of the Q Region

The Aachen-Berlin-CERN-London-Vienna & Ecole Poly-Rutherford-Saclay collaborations Otter, G. ; Rudolph, G. ; Schmid, P. ; et al.
Nucl.Phys.B 106 (1976) 77-94, 1976.
Inspire Record 3373 DOI 10.17182/hepdata.35803

We have performed a partial-wave analysis of the mainly diffractively produced low-mass (K ππ ) system in the reactions K − p → K − π + π − p and K − p → K 0 π − π 0 p at 10, 14 and 16 GeV /c . We find that the dominant 1 + S ( K ∗ π ) state has possibly a two-peak structure (around 1.27 and 1.37 GeV). In contrast the 1 + S(K ϱ ) state shows one narrow peak near thershold (around 1.27 GeV). These states are found to be of different origin. The results favour the interpretation of the 1 + S(K ϱ ) as a 1 + resonance below the (K ϱ ) threshold. The t ′ pp dependence is found to be different for the 1 + and 0 − states.

1 data table match query

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s CHANNEL AND t CHANNEL HELICITY CONSERVATION IN DIFFRACTIVE EVENTS OF THE REACTION K+ p ---> K+ pi+ pi- p AT 32-GeV/c

The CERN-Soviet collaboration Azhinenko, I.V. ; Barth, M. ; Belokopytov, Yu.A. ; et al.
Sov.J.Nucl.Phys. 32 (1980) 673, 1980.
Inspire Record 146409 DOI 10.17182/hepdata.41499

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DD IVENTS SELECTED BY THE RAPIDITY GAP METHOD.

/DD EVENTS SELECTED BY RAPIDITY GAP METHOD.

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EXCLUSIVE REACTIONS IN pi+ p INTERACTIONS AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Borovikov, A.A. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 821, 1981.
Inspire Record 165497 DOI 10.17182/hepdata.41255

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GENERAL FEATURES AND CLUSTER - LIKE PROPERTIES OF REACTION K+ p ---> K+ p 2 pi+ 2 pi- AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Chliapnikov, P.V. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 584, 1981.
Inspire Record 165495 DOI 10.17182/hepdata.10705

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CLUSTERS FORMATION. FEW JETS SUBPROCESSES YIELDIND TO K+ P --> P K+ 2PI+ 2PI- REACTION ARE PRESENTED. BRACKETS MANIFEST THE PARTICLES IN A PARTICULAR JET. 'SOFT' ( C.M. MOMENTUM LESS 0.4 GEV/C) PIONS WERE EXCLUDED FROM ANALYSIS. 'ANYTHING - JET(S)' IN THE REACTIONS IN THE TABLE MEANS RECOIL SYSTEM TO A REVEALED JETCONSISTING OF ANY OF GROUP OF PARTICLES EXCEPT THE K+, K*(892)0, (K+ PI+ PI-) FOR THE P, DEL++, (P PI+ PI-) CLUSTERS AND VISE VERSA.

SEE COMMENT ON TFP=T 3 (TABLE.1).

SEE COMMENT ON TFP=T 3 (TABLE.1).

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Inclusive $K^{*+}$(1430), $K^{*0}$(1430) and $F(1270)$ Production in $K^+ p$ Interactions at 32-{GeV}/$c$

Chliapnikov, P.V. ; Falaleev, V.P. ; Gerdyukov, L.N. ; et al.
Z.Phys.C 12 (1982) 113, 1982.
Inspire Record 167340 DOI 10.17182/hepdata.10914

Results are presented on total and semiinclusive cross sections, longitudinal and transverse momentum distributions of the tensor mesonsK*+(1430),K*0(1430), andf(1270) observed inK+p interactions at 32 GeV/c. The data are compared withK*+(892).K*0(896) and ϱ0 vector meson production in the same experiment. The shapes of inclusive invariantx-spectra for the strange vector and tensor mesons are found to be rather similar, after removal of diffractive and quasi-two-body channels, in agreement with quark-recombination ideas.

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CS FOR THE QUASI-TWO-BODY CHANNELS ARE ESTIMATED USING THE HAND DROWN BACKGROUNDS AND THE K* SIGNAL-TO-BACKGROUND RATIONS.


DIFFRACTION DISSOCIATION OF ANTI-PROTONS IN anti-p p COLLISIONS AT 22.4-GeV/c

The Dubna-Alma Ata-Yerevan-Helsinki-Moscow-Prague-Tbilisi collaboration Batyunya, B.V. ; Boguslavsky, I.V. ; Gramenitsky, I.M. ; et al.
Sov.J.Nucl.Phys. 37 (1983) 58, 1983.
Inspire Record 178090 DOI 10.17182/hepdata.71073

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A Partial Wave Analysis of the $K^- \phi$ System Produced in the Reaction $K^- p \to K^+ K^- K^- p$ at 18.5-{GeV}/$c$

The Bari-Birmingham-CERN-Milan-Paris-Pavia collaboration Armstrong, T. ; Baubillier, M. ; Beusch, W. ; et al.
Nucl.Phys.B 221 (1983) 1-15, 1983.
Inspire Record 180924 DOI 10.17182/hepdata.33954

About 15 000 K − Φp events have been collected in the CERN Ω′ spectrometer. A partial-wave decomposition of the K − Φ system is performed. The 1 + SO + wave is dominant. The 0 − P0 + and 2 − P0 + waves are important and show resonant behaviour at ∼ 1.83 GeV (Γ ∼ 0.25 GeV) and ∼ 1.73 GeV (Γ ∼ 0.22 GeV) respectively. The first one can be interpreted as the second radial excitation of the kaon while the second one can be identified as one of the two L mesons.

1 data table match query

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Resonance Production in Diffractive $\pi^- N \to K^0_s K^0_s \pi^- N^{\prime}$ at 200-GeV/c

Chen, T.Y. ; Jenkins, E.W. ; Johnson, K.J. ; et al.
Phys.Rev.D 28 (1983) 2304, 1983.
Inspire Record 182627 DOI 10.17182/hepdata.23787

The reaction π−N→KS0KS0π−N′ at 200 GeV/c has been observed with a sensitivity of 450±150 events/μb. The KS0KS0π− system exhibits substantial K*−(890)K0 production. Also produced are f0(1270)π−, f′(1515)π−, and K*−(1430)K0 final states. These resonances occur predominantly at threshold. The diffractive KS0KS0π− cross section is 3.4±1.1 μb. An enhancement near the A3−(1680) is observed in the KS0KS0π− invariant-mass distribution.

1 data table match query

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