Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009

F Nichitiu; P Gianotti; C Guaraldo; A Lanaro; V Lucherini; C Petrascu; A Rosca; G Bonomi; Bussa MP; A Donzella; Rizzini EL; L Venturelli; A Zenoni; A Bertin; M Bruschi; M Capponi; Castro S De; D Galli; B Giacobbe; U Marconi; I Massa; M Piccinini; Cesari N Semprini; R Spighi; S Vecchi; V Vagnoni; M Villa; A Vitale; A Zoccoli; C Cicalo; Falco A De; A Masoni; S Mauro; G Puddu; G Usai; Gorchakov OE; Prakhov SN; Rozhdestvensky AM; Tretyak VI; M Poli; V Filippini; A Fontana; P Montagna; A Rotondi; P Salvini; F Balestra; L Busso; P Cerello; O Denisov; R Garfagnini; A Grasso; A Maggiora; A Panzarasa; Daniele PANZIERI; F Tosello; E Botta; T Bressani; D Calvo; S Costa; D D'Isep; A Feliciello; A Filippi; S Marcello; M Agnello; F Iazzi; B Minetti; N Mirfakhrai; S. Tessaro

doi:10.1016/S0370-2693(02)02547-9

Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009

F Nichitiu, P Gianotti, C Guaraldo, A Lanaro, V Lucherini, C Petrascu, A Rosca, G Bonomi, Bussa MP, A Donzella, Rizzini EL, L Venturelli, A Zenoni, A Bertin, M Bruschi, M Capponi, Castro S De, D Galli, B Giacobbe, U MarconiI Massa, M Piccinini, Cesari N Semprini, R Spighi, S Vecchi, V Vagnoni, M Villa, A Vitale, A Zoccoli, C Cicalo, Falco A De, A Masoni, S Mauro, G Puddu, G Usai, Gorchakov OE, Prakhov SN, Rozhdestvensky AM, Tretyak VI, M Poli, V Filippini, A Fontana, P Montagna, A Rotondi, P Salvini, F Balestra, L Busso, P Cerello, O Denisov, R Garfagnini, A Grasso, A Maggiora, A Panzarasa, Daniele PANZIERI, F Tosello, E Botta, T Bressani, D Calvo, S Costa, D D'Isep, A Feliciello, A Filippi, S Marcello, M Agnello, F Iazzi, B Minetti, N Mirfakhrai, S. Tessaro

Dipartimento di Scienze e Innovazione Tecnologica

Risultato della ricerca: Contributo su rivista › Articolo in rivista

Abstract

A spin-parity analysis of a sample of p̄p → K⁺K^-π⁺π^-π⁰ annihilation events taken at rest in gaseous H₂ at NTP is reported. The invariant mass spectrum of the K⁺K^-π⁰ system shows the presence of the E/t resonance pattern at 1.42 GeV. The analysis of this signal confirms the results obtained by the OBELIX Collaboration in previous works, namely: the existence of two pseudoscalar states at 1.413 ± 0.002 and 1.460 ± 0.012 GeV with widths 0.051 ± 0.004 and 0.120 ± 0.015 GeV, respectively. The p̄p system in the ³P_I wave shows also a signal corresponding to the axial vector f_I (1420) decaying to K* K̄ with mass 1.420 ± 0.003 GeV and width 0.061 ± 0.005 GeV. A study of the incoherent phase space background shows that its origin is mostly due to the reflection of a resonant state in the K⁺ K^-π⁺π^- system. The isobar decomposition of this resonant state is mainly f₀(1370)(ππ)_S, its parameters are: J^PC = 0⁺⁺, m = 1.670 ± 0.02 GeV and width 0.267 ± 0.036 GeV. This signal can be probably identified with another decay mode of the f₀(1710).

Lingua originale	Inglese
pagine (da-a)	261-271
Numero di pagine	11
Rivista	PHYSICS LETTERS. SECTION B
Volume	545
Numero di pubblicazione	3-4
DOI	https://doi.org/10.1016/S0370-2693(02)02547-9
Stato di pubblicazione	Pubblicato - 2002

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10.1016/S0370-2693(02)02547-9

http://hdl.handle.net/11579/11800

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Nichitiu, F., Gianotti, P., Guaraldo, C., Lanaro, A., Lucherini, V., Petrascu, C., Rosca, A., Bonomi, G., MP, B., Donzella, A., EL, R., Venturelli, L., Zenoni, A., Bertin, A., Bruschi, M., Capponi, M., De, C. S., Galli, D., Giacobbe, B., ... Tessaro, S. (2002). Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009. PHYSICS LETTERS. SECTION B, 545(3-4), 261-271. https://doi.org/10.1016/S0370-2693(02)02547-9

@article{fea0b405b34444eea4ee7c84cb4fa3c3,

title = "Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009",

abstract = "A spin-parity analysis of a sample of {\=p}p → K+K-π+π-π0 annihilation events taken at rest in gaseous H2 at NTP is reported. The invariant mass spectrum of the K+K-π0 system shows the presence of the E/t resonance pattern at 1.42 GeV. The analysis of this signal confirms the results obtained by the OBELIX Collaboration in previous works, namely: the existence of two pseudoscalar states at 1.413 ± 0.002 and 1.460 ± 0.012 GeV with widths 0.051 ± 0.004 and 0.120 ± 0.015 GeV, respectively. The {\=p}p system in the 3PI wave shows also a signal corresponding to the axial vector fI (1420) decaying to K* {\=K} with mass 1.420 ± 0.003 GeV and width 0.061 ± 0.005 GeV. A study of the incoherent phase space background shows that its origin is mostly due to the reflection of a resonant state in the K+ K-π+π- system. The isobar decomposition of this resonant state is mainly f0(1370)(ππ)S, its parameters are: JPC = 0++, m = 1.670 ± 0.02 GeV and width 0.267 ± 0.036 GeV. This signal can be probably identified with another decay mode of the f0(1710).",

author = "F Nichitiu and P Gianotti and C Guaraldo and A Lanaro and V Lucherini and C Petrascu and A Rosca and G Bonomi and Bussa MP and A Donzella and Rizzini EL and L Venturelli and A Zenoni and A Bertin and M Bruschi and M Capponi and De, {Castro S} and D Galli and B Giacobbe and U Marconi and I Massa and M Piccinini and Semprini, {Cesari N} and R Spighi and S Vecchi and V Vagnoni and M Villa and A Vitale and A Zoccoli and C Cicalo and De, {Falco A} and A Masoni and S Mauro and G Puddu and G Usai and Gorchakov OE and Prakhov SN and Rozhdestvensky AM and Tretyak VI and M Poli and V Filippini and A Fontana and P Montagna and A Rotondi and P Salvini and F Balestra and L Busso and P Cerello and O Denisov and R Garfagnini and A Grasso and A Maggiora and A Panzarasa and Daniele PANZIERI and F Tosello and E Botta and T Bressani and D Calvo and S Costa and D D'Isep and A Feliciello and A Filippi and S Marcello and M Agnello and F Iazzi and B Minetti and N Mirfakhrai and S. Tessaro",

year = "2002",

doi = "10.1016/S0370-2693(02)02547-9",

language = "English",

volume = "545",

pages = "261--271",

journal = "PHYSICS LETTERS. SECTION B",

issn = "0370-2693",

number = "3-4",

}

Nichitiu, F, Gianotti, P, Guaraldo, C, Lanaro, A, Lucherini, V, Petrascu, C, Rosca, A, Bonomi, G, MP, B, Donzella, A, EL, R, Venturelli, L, Zenoni, A, Bertin, A, Bruschi, M, Capponi, M, De, CS, Galli, D, Giacobbe, B, Marconi, U, Massa, I, Piccinini, M, Semprini, CN, Spighi, R, Vecchi, S, Vagnoni, V, Villa, M, Vitale, A, Zoccoli, A, Cicalo, C, De, FA, Masoni, A, Mauro, S, Puddu, G, Usai, G, OE, G, SN, P, AM, R, VI, T, Poli, M, Filippini, V, Fontana, A, Montagna, P, Rotondi, A, Salvini, P, Balestra, F, Busso, L, Cerello, P, Denisov, O, Garfagnini, R, Grasso, A, Maggiora, A, Panzarasa, A, PANZIERI, D, Tosello, F, Botta, E, Bressani, T, Calvo, D, Costa, S, D'Isep, D, Feliciello, A, Filippi, A, Marcello, S, Agnello, M, Iazzi, F, Minetti, B, Mirfakhrai, N & Tessaro, S 2002, 'Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009', PHYSICS LETTERS. SECTION B, vol. 545, n. 3-4, pagg. 261-271. https://doi.org/10.1016/S0370-2693(02)02547-9

Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009. / Nichitiu, F; Gianotti, P; Guaraldo, C et al.
In: PHYSICS LETTERS. SECTION B, Vol. 545, N. 3-4, 2002, pag. 261-271.

Risultato della ricerca: Contributo su rivista › Articolo in rivista

TY - JOUR

T1 - Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009

AU - Nichitiu, F

AU - Gianotti, P

AU - Guaraldo, C

AU - Lanaro, A

AU - Lucherini, V

AU - Petrascu, C

AU - Rosca, A

AU - Bonomi, G

AU - MP, Bussa

AU - Donzella, A

AU - EL, Rizzini

AU - Venturelli, L

AU - Zenoni, A

AU - Bertin, A

AU - Bruschi, M

AU - Capponi, M

AU - De, Castro S

AU - Galli, D

AU - Giacobbe, B

AU - Marconi, U

AU - Massa, I

AU - Piccinini, M

AU - Semprini, Cesari N

AU - Spighi, R

AU - Vecchi, S

AU - Vagnoni, V

AU - Villa, M

AU - Vitale, A

AU - Zoccoli, A

AU - Cicalo, C

AU - De, Falco A

AU - Masoni, A

AU - Mauro, S

AU - Puddu, G

AU - Usai, G

AU - OE, Gorchakov

AU - SN, Prakhov

AU - AM, Rozhdestvensky

AU - VI, Tretyak

AU - Poli, M

AU - Filippini, V

AU - Fontana, A

AU - Montagna, P

AU - Rotondi, A

AU - Salvini, P

AU - Balestra, F

AU - Busso, L

AU - Cerello, P

AU - Denisov, O

AU - Garfagnini, R

AU - Grasso, A

AU - Maggiora, A

AU - Panzarasa, A

AU - PANZIERI, Daniele

AU - Tosello, F

AU - Botta, E

AU - Bressani, T

AU - Calvo, D

AU - Costa, S

AU - D'Isep, D

AU - Feliciello, A

AU - Filippi, A

AU - Marcello, S

AU - Agnello, M

AU - Iazzi, F

AU - Minetti, B

AU - Mirfakhrai, N

AU - Tessaro, S.

PY - 2002

Y1 - 2002

N2 - A spin-parity analysis of a sample of p̄p → K+K-π+π-π0 annihilation events taken at rest in gaseous H2 at NTP is reported. The invariant mass spectrum of the K+K-π0 system shows the presence of the E/t resonance pattern at 1.42 GeV. The analysis of this signal confirms the results obtained by the OBELIX Collaboration in previous works, namely: the existence of two pseudoscalar states at 1.413 ± 0.002 and 1.460 ± 0.012 GeV with widths 0.051 ± 0.004 and 0.120 ± 0.015 GeV, respectively. The p̄p system in the 3PI wave shows also a signal corresponding to the axial vector fI (1420) decaying to K* K̄ with mass 1.420 ± 0.003 GeV and width 0.061 ± 0.005 GeV. A study of the incoherent phase space background shows that its origin is mostly due to the reflection of a resonant state in the K+ K-π+π- system. The isobar decomposition of this resonant state is mainly f0(1370)(ππ)S, its parameters are: JPC = 0++, m = 1.670 ± 0.02 GeV and width 0.267 ± 0.036 GeV. This signal can be probably identified with another decay mode of the f0(1710).

AB - A spin-parity analysis of a sample of p̄p → K+K-π+π-π0 annihilation events taken at rest in gaseous H2 at NTP is reported. The invariant mass spectrum of the K+K-π0 system shows the presence of the E/t resonance pattern at 1.42 GeV. The analysis of this signal confirms the results obtained by the OBELIX Collaboration in previous works, namely: the existence of two pseudoscalar states at 1.413 ± 0.002 and 1.460 ± 0.012 GeV with widths 0.051 ± 0.004 and 0.120 ± 0.015 GeV, respectively. The p̄p system in the 3PI wave shows also a signal corresponding to the axial vector fI (1420) decaying to K* K̄ with mass 1.420 ± 0.003 GeV and width 0.061 ± 0.005 GeV. A study of the incoherent phase space background shows that its origin is mostly due to the reflection of a resonant state in the K+ K-π+π- system. The isobar decomposition of this resonant state is mainly f0(1370)(ππ)S, its parameters are: JPC = 0++, m = 1.670 ± 0.02 GeV and width 0.267 ± 0.036 GeV. This signal can be probably identified with another decay mode of the f0(1710).

UR - https://iris.uniupo.it/handle/11579/11800

U2 - 10.1016/S0370-2693(02)02547-9

DO - 10.1016/S0370-2693(02)02547-9

M3 - Article

SN - 0370-2693

VL - 545

SP - 261

EP - 271

JO - PHYSICS LETTERS. SECTION B

JF - PHYSICS LETTERS. SECTION B

IS - 3-4

ER -

Study of the K+K-pi(+)pi(-)pi(0) final state in antiproton annihilation at rest in gaseous hydrogen at NTP with the OBELIX spectrometer RID G-4236-2010 RID A-1606-2012 RID C-9883-2009

Abstract

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