Photoproduction of the f_{2}(1270) Meson Using the CLAS Detector.


Journal

Physical review letters
ISSN: 1079-7114
Titre abrégé: Phys Rev Lett
Pays: United States
ID NLM: 0401141

Informations de publication

Date de publication:
26 Feb 2021
Historique:
received: 29 10 2020
revised: 08 01 2021
accepted: 04 02 2021
entrez: 12 3 2021
pubmed: 13 3 2021
medline: 13 3 2021
Statut: ppublish

Résumé

The quark structure of the f_{2}(1270) meson has, for many years, been assumed to be a pure quark-antiquark (qq[over ¯]) resonance with quantum numbers J^{PC}=2^{++}. Recently, it was proposed that the f_{2}(1270) is a molecular state made from the attractive interaction of two ρ mesons. Such a state would be expected to decay strongly to final states with charged pions due to the dominant decay ρ→π^{+}π^{-}, whereas decay to two neutral pions would likely be suppressed. Here, we measure for the first time the reaction γp→π^{0}π^{0}p, using the CEBAF Large Acceptance Spectrometer detector at Jefferson Lab for incident beam energies between 3.6 and 5.4 GeV. Differential cross sections, dσ/dt, for f_{2}(1270) photoproduction are extracted with good precision due to low backgrounds and are compared to theoretical calculations.

Identifiants

pubmed: 33709753
doi: 10.1103/PhysRevLett.126.082002
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

082002

Auteurs

M Carver (M)

Ohio University, Athens, Ohio 45701, USA.

A Celentano (A)

INFN, Sezione di Genova, 16146 Genova, Italy.

K Hicks (K)

Ohio University, Athens, Ohio 45701, USA.

L Marsicano (L)

INFN, Sezione di Genova, 16146 Genova, Italy.

V Mathieu (V)

Departamento de Fsica Terica and IPARCOS, Universidad Complutense de Madrid, 28040 Madrid, Spain.

A Pilloni (A)

INFN, Sezione di Genova, 16146 Genova, Italy.
European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*) and Fondazione Bruno Kessler, Strada delle Tavarnelle 286, Villazzano (Trento) I-38123, Italy.
INFN, Sezione di Roma, 00185 Roma, Italy.

K P Adhikari (KP)

Old Dominion University, Norfolk, Virginia 23529, USA.

S Adhikari (S)

Florida International University, Miami, Florida 33199, USA.

M J Amaryan (MJ)

Old Dominion University, Norfolk, Virginia 23529, USA.

G Angelini (G)

The George Washington University, Washington, D.C. 20052, USA.

H Atac (H)

Temple University, Philadelphia, Pennsylvania 19122, USA.

N A Baltzell (NA)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
University of South Carolina, Columbia, South Carolina 29208, USA.

L Barion (L)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.

M Battaglieri (M)

INFN, Sezione di Genova, 16146 Genova, Italy.
Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

I Bedlinskiy (I)

National Research Centre Kurchatov Institute-ITEP, Moscow, 117259, Russia.

F Benmokhtar (F)

Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, USA.

A Bianconi (A)

Università degli Studi di Brescia, 25123 Brescia, Italy.
INFN, Sezione di Pavia, 27100 Pavia, Italy.

A S Biselli (AS)

Fairfield University, Fairfield, Connecticut 06824, USA.

M Bondi (M)

INFN, Sezione di Genova, 16146 Genova, Italy.

F Bossù (F)

IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.

S Boiarinov (S)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

W J Briscoe (WJ)

The George Washington University, Washington, D.C. 20052, USA.

W K Brooks (WK)

Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.

D Bulumulla (D)

Old Dominion University, Norfolk, Virginia 23529, USA.

V D Burkert (VD)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

D S Carman (DS)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

J C Carvajal (JC)

Florida International University, Miami, Florida 33199, USA.

P Chatagnon (P)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

T Chetry (T)

Mississippi State University, Mississippi State, Mississippi 39762-5167, USA.

G Ciullo (G)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
Universita' di Ferrara, 44121 Ferrara, Italy.

L Clark (L)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

B A Clary (BA)

University of Connecticut, Storrs, Connecticut 06269, USA.

P L Cole (PL)

Lamar University, 4400 MLK Boulevard, PO Box 10046, Beaumont, Texas 77710, USA.
Idaho State University, Pocatello, Idaho 83209, USA.

M Contalbrigo (M)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.

V Crede (V)

Florida State University, Tallahassee, Florida 32306 USA.

A D'Angelo (A)

INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.
Universita' di Roma Tor Vergata, 00133 Rome, Italy.

N Dashyan (N)

Yerevan Physics Institute, 375036 Yerevan, Armenia.

R De Vita (R)

INFN, Sezione di Genova, 16146 Genova, Italy.

M Defurne (M)

IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.

A Deur (A)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

S Diehl (S)

University of Connecticut, Storrs, Connecticut 06269, USA.
II Physikalisches Institut der Universitaet Giessen 35392, Germany.

C Djalali (C)

Ohio University, Athens, Ohio 45701, USA.
University of South Carolina, Columbia, South Carolina 29208, USA.

M Dugger (M)

Arizona State University, Tempe, Arizona 85287-1504, USA.

R Dupre (R)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

H Egiyan (H)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
University of New Hampshire, Durham, New Hampshire 03824-3568, USA.

M Ehrhart (M)

Argonne National Laboratory, Argonne, Illinois 60439, USA.

A El Alaoui (AE)

Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.

L El Fassi (LE)

Mississippi State University, Mississippi State, Mississippi 39762-5167, USA.
Argonne National Laboratory, Argonne, Illinois 60439, USA.

P Eugenio (P)

Florida State University, Tallahassee, Florida 32306 USA.

G Fedotov (G)

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119234 Moscow, Russia.

S Fegan (S)

University of York, York YO10 5DD, United Kingdom.

A Filippi (A)

INFN, Sezione di Torino, 10125 Torino, Italy.

G Gavalian (G)

Old Dominion University, Norfolk, Virginia 23529, USA.
Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

N Gevorgyan (N)

Yerevan Physics Institute, 375036 Yerevan, Armenia.

G P Gilfoyle (GP)

University of Richmond, Richmond, Virginia 23173, USA.

F X Girod (FX)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.

R W Gothe (RW)

University of South Carolina, Columbia, South Carolina 29208, USA.

K A Griffioen (KA)

College of William and Mary, Williamsburg, Virginia 23187-8795, USA.

K Hafidi (K)

Argonne National Laboratory, Argonne, Illinois 60439, USA.

H Hakobyan (H)

Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.
Yerevan Physics Institute, 375036 Yerevan, Armenia.

M Hattawy (M)

Old Dominion University, Norfolk, Virginia 23529, USA.

T B Hayward (TB)

College of William and Mary, Williamsburg, Virginia 23187-8795, USA.

D Heddle (D)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
Christopher Newport University, Newport News, Virginia 23606, USA.

M Holtrop (M)

University of New Hampshire, Durham, New Hampshire 03824-3568, USA.

Q Huang (Q)

IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.

C E Hyde (CE)

Old Dominion University, Norfolk, Virginia 23529, USA.

Y Ilieva (Y)

University of South Carolina, Columbia, South Carolina 29208, USA.

D G Ireland (DG)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

E L Isupov (EL)

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119234 Moscow, Russia.

D Jenkins (D)

Virginia Tech, Blacksburg, Virginia 24061-0435, USA.

H S Jo (HS)

Kyungpook National University, Daegu 41566, Republic of Korea.

K Joo (K)

University of Connecticut, Storrs, Connecticut 06269, USA.

S Joosten (S)

Argonne National Laboratory, Argonne, Illinois 60439, USA.

D Keller (D)

Ohio University, Athens, Ohio 45701, USA.
University of Virginia, Charlottesville, Virginia 22901j, USA.

A Khanal (A)

Florida International University, Miami, Florida 33199, USA.

M Khandaker (M)

Norfolk State University, Norfolk, Virginia 23504, USA.

A Kim (A)

University of Connecticut, Storrs, Connecticut 06269, USA.

C W Kim (CW)

The George Washington University, Washington, D.C. 20052, USA.

F J Klein (FJ)

Catholic University of America, Washington, D.C. 20064, USA.

A Kripko (A)

II Physikalisches Institut der Universitaet Giessen 35392, Germany.

V Kubarovsky (V)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

L Lanza (L)

INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.

M Leali (M)

Università degli Studi di Brescia, 25123 Brescia, Italy.
INFN, Sezione di Pavia, 27100 Pavia, Italy.

P Lenisa (P)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
Universita' di Ferrara, 44121 Ferrara, Italy.

K Livingston (K)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

I J D MacGregor (IJD)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

D Marchand (D)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

V Mascagna (V)

INFN, Sezione di Pavia, 27100 Pavia, Italy.
Università degli Studi dell'Insubria, 22100 Como, Italy.

M E McCracken (ME)

Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.

B McKinnon (B)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

Z E Meziani (ZE)

Argonne National Laboratory, Argonne, Illinois 60439, USA.

V Mokeev (V)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119234 Moscow, Russia.

A Movsisyan (A)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.

E Munevar (E)

The George Washington University, Washington, D.C. 20052, USA.

C Munoz Camacho (CM)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

P Nadel-Turonski (P)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
Catholic University of America, Washington, D.C. 20064, USA.

K Neupane (K)

University of South Carolina, Columbia, South Carolina 29208, USA.

S Niccolai (S)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

G Niculescu (G)

James Madison University, Harrisonburg, Virginia 22807, USA.

M Osipenko (M)

INFN, Sezione di Genova, 16146 Genova, Italy.

A I Ostrovidov (AI)

Florida State University, Tallahassee, Florida 32306 USA.

M Paolone (M)

Temple University, Philadelphia, Pennsylvania 19122, USA.

L L Pappalardo (LL)

INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
Universita' di Ferrara, 44121 Ferrara, Italy.

R Paremuzyan (R)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

E Pasyuk (E)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

W Phelps (W)

Christopher Newport University, Newport News, Virginia 23606, USA.

O Pogorelko (O)

National Research Centre Kurchatov Institute-ITEP, Moscow, 117259, Russia.

Y Prok (Y)

Old Dominion University, Norfolk, Virginia 23529, USA.
University of Virginia, Charlottesville, Virginia 22901j, USA.

D Protopopescu (D)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

M Ripani (M)

INFN, Sezione di Genova, 16146 Genova, Italy.

B G Ritchie (BG)

Arizona State University, Tempe, Arizona 85287-1504, USA.

J Ritman (J)

Institute fur Kernphysik (Juelich), Juelich, Germany.

A Rizzo (A)

INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.
Universita' di Roma Tor Vergata, 00133 Rome, Italy.

G Rosner (G)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

J Rowley (J)

Ohio University, Athens, Ohio 45701, USA.

F Sabatié (F)

IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.

C Salgado (C)

Norfolk State University, Norfolk, Virginia 23504, USA.

A Schmidt (A)

The George Washington University, Washington, D.C. 20052, USA.

R A Schumacher (RA)

Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.

Y G Sharabian (YG)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

U Shrestha (U)

Ohio University, Athens, Ohio 45701, USA.

D Sokhan (D)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

O Soto (O)

INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy.

N Sparveris (N)

Temple University, Philadelphia, Pennsylvania 19122, USA.

S Stepanyan (S)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

I I Strakovsky (II)

The George Washington University, Washington, D.C. 20052, USA.

S Strauch (S)

University of South Carolina, Columbia, South Carolina 29208, USA.

N Tyler (N)

University of South Carolina, Columbia, South Carolina 29208, USA.

R Tyson (R)

University of Glasgow, Glasgow G12 8QQ, United Kingdom.

M Ungaro (M)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
University of Connecticut, Storrs, Connecticut 06269, USA.

L Venturelli (L)

Università degli Studi di Brescia, 25123 Brescia, Italy.
INFN, Sezione di Pavia, 27100 Pavia, Italy.

H Voskanyan (H)

Yerevan Physics Institute, 375036 Yerevan, Armenia.

E Voutier (E)

Universit'e Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.

D P Watts (DP)

University of York, York YO10 5DD, United Kingdom.

K Wei (K)

University of Connecticut, Storrs, Connecticut 06269, USA.

X Wei (X)

Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.

B Yale (B)

College of William and Mary, Williamsburg, Virginia 23187-8795, USA.

N Zachariou (N)

University of York, York YO10 5DD, United Kingdom.

J Zhang (J)

Old Dominion University, Norfolk, Virginia 23529, USA.
University of Virginia, Charlottesville, Virginia 22901j, USA.

Z W Zhao (ZW)

University of South Carolina, Columbia, South Carolina 29208, USA.
Duke University, Durham, North Carolina 27708-0305, USA.

Classifications MeSH