A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV

An experiment has been undertaken at the CERN SPS, using the Omega spectrometer, aimed at confirming the enhancement observed in a pp pi /sup -/ mass spectrum at 2.95 GeV. With statistics of twelve times the original experiment no signal is seen. In the reaction pi /sup -/p to pp pi /sup -/p, the up...

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Detalles Bibliográficos
Autores principales: Armstrong, T A, Baccari, B, Belletti, M, Booth, P S L, Campbell, P T, Carroll, L J, Costa, G, Donald, R A, Edwards, D N, Evangelista, C, Frame, D, French, Bernard R, Geer, S H, Girtler, P, Ghidini, B, Hughes, I S, Jackson, J N, Königs, E, Lynch, J G, Mandelli, L, Mättig, P, Miller, D H, Minto, P W, Mitaroff, Winfried A, Müller, K, Otter, Gerd, Palano, A, Pensotti, S, Perini, L, Pinfold, J L, Range, W H, Richardson, J A, Rudolph, G, Saleemi, F, Scott, L, Schlütter, H, Stewart, D T, Tamborini, M, Thompson, A S, Turnbull, R M, Woodworth, P L, Zito, G
Lenguaje:eng
Publicado: 1979
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/0370-2693(79)90603-8
http://cds.cern.ch/record/133241
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author Armstrong, T A
Baccari, B
Belletti, M
Booth, P S L
Campbell, P T
Carroll, L J
Costa, G
Donald, R A
Edwards, D N
Evangelista, C
Frame, D
French, Bernard R
Geer, S H
Girtler, P
Ghidini, B
Hughes, I S
Jackson, J N
Königs, E
Lynch, J G
Mandelli, L
Mättig, P
Miller, D H
Minto, P W
Mitaroff, Winfried A
Müller, K
Otter, Gerd
Palano, A
Pensotti, S
Perini, L
Pinfold, J L
Range, W H
Richardson, J A
Rudolph, G
Saleemi, F
Scott, L
Schlütter, H
Stewart, D T
Tamborini, M
Thompson, A S
Turnbull, R M
Woodworth, P L
Zito, G
author_facet Armstrong, T A
Baccari, B
Belletti, M
Booth, P S L
Campbell, P T
Carroll, L J
Costa, G
Donald, R A
Edwards, D N
Evangelista, C
Frame, D
French, Bernard R
Geer, S H
Girtler, P
Ghidini, B
Hughes, I S
Jackson, J N
Königs, E
Lynch, J G
Mandelli, L
Mättig, P
Miller, D H
Minto, P W
Mitaroff, Winfried A
Müller, K
Otter, Gerd
Palano, A
Pensotti, S
Perini, L
Pinfold, J L
Range, W H
Richardson, J A
Rudolph, G
Saleemi, F
Scott, L
Schlütter, H
Stewart, D T
Tamborini, M
Thompson, A S
Turnbull, R M
Woodworth, P L
Zito, G
author_sort Armstrong, T A
collection CERN
description An experiment has been undertaken at the CERN SPS, using the Omega spectrometer, aimed at confirming the enhancement observed in a pp pi /sup -/ mass spectrum at 2.95 GeV. With statistics of twelve times the original experiment no signal is seen. In the reaction pi /sup -/p to pp pi /sup -/p, the upper limit (four standard deviations) for the production of a resonance in the pp pi /sup -/system at 2.95 GeV, with a width <or=30 MeV, is 50 nb. (3 refs).
id cern-133241
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1979
record_format invenio
spelling cern-1332412019-09-30T06:29:59Zdoi:10.1016/0370-2693(79)90603-8http://cds.cern.ch/record/133241engArmstrong, T ABaccari, BBelletti, MBooth, P S LCampbell, P TCarroll, L JCosta, GDonald, R AEdwards, D NEvangelista, CFrame, DFrench, Bernard RGeer, S HGirtler, PGhidini, BHughes, I SJackson, J NKönigs, ELynch, J GMandelli, LMättig, PMiller, D HMinto, P WMitaroff, Winfried AMüller, KOtter, GerdPalano, APensotti, SPerini, LPinfold, J LRange, W HRichardson, J ARudolph, GSaleemi, FScott, LSchlütter, HStewart, D TTamborini, MThompson, A STurnbull, R MWoodworth, P LZito, GA high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeVParticle Physics - ExperimentAn experiment has been undertaken at the CERN SPS, using the Omega spectrometer, aimed at confirming the enhancement observed in a pp pi /sup -/ mass spectrum at 2.95 GeV. With statistics of twelve times the original experiment no signal is seen. In the reaction pi /sup -/p to pp pi /sup -/p, the upper limit (four standard deviations) for the production of a resonance in the pp pi /sup -/system at 2.95 GeV, with a width <or=30 MeV, is 50 nb. (3 refs).CERN-EP-79-54oai:cds.cern.ch:1332411979-06-17
spellingShingle Particle Physics - Experiment
Armstrong, T A
Baccari, B
Belletti, M
Booth, P S L
Campbell, P T
Carroll, L J
Costa, G
Donald, R A
Edwards, D N
Evangelista, C
Frame, D
French, Bernard R
Geer, S H
Girtler, P
Ghidini, B
Hughes, I S
Jackson, J N
Königs, E
Lynch, J G
Mandelli, L
Mättig, P
Miller, D H
Minto, P W
Mitaroff, Winfried A
Müller, K
Otter, Gerd
Palano, A
Pensotti, S
Perini, L
Pinfold, J L
Range, W H
Richardson, J A
Rudolph, G
Saleemi, F
Scott, L
Schlütter, H
Stewart, D T
Tamborini, M
Thompson, A S
Turnbull, R M
Woodworth, P L
Zito, G
A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title_full A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title_fullStr A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title_full_unstemmed A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title_short A high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 GeV
title_sort high statistics search for the $\bar{p}p\pi^{-}$ mass enhancement at 2.95 gev
topic Particle Physics - Experiment
url https://dx.doi.org/10.1016/0370-2693(79)90603-8
http://cds.cern.ch/record/133241
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