Exclusive photoproduction of the cascade (Ξ) hyperons -: art. no. 058201

被引：28

作者：

Price, JW ^{[1
]}

Nefkens, BMK

Ducote, JL

Goetz, JT

Adams, G

Ambrozewicz, P

Anciant, E

Anghinolfi, M

Asavapibhop, B

Audit, G

Auger, T

Avakian, H

Bagdasaryan, H

Ball, JP

Barrow, S

Battaglieri, M

Beard, K

Bektasoglu, M

Bellis, M

Benmouna, N

Berman, BL

Bianchi, N

Biselli, AS

Boiarinov, S

Bouchigny, S

Bradford, R

Branford, D

Briscoe, WJ

Brooks, WK

Burkert, VD

Butuceanu, C

Calarco, JR

Carman, DS

Carnahan, B

Cetina, C

Chen, S

Cole, PL

Coleman, A

Connelly, J

Cords, D

Corvisiero, P

Crabb, D

Crannell, H

Cummings, JP

Sanctis, ED

DeVita, R

Degtyarenko, PV

Denizli, H

Dennis, L

Dharmawardane, KV

机构：

[1] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[2] Arizona State Univ, Tempe, AZ 85287 USA

[3] CEA Saclay, Serv Phys Nucl, DAPINA, SPhN, Gif Sur Yvette, France

[4] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[5] Catholic Univ Amer, Washington, DC 20064 USA

[6] Christopher Newport Univ, Newport News, VA 23606 USA

[7] Univ Connecticut, Storrs, CT 06269 USA

[8] Duke Univ, Durham, NC 27708 USA

[9] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[10] Florida Int Univ, Miami, FL 33199 USA

[11] Florida State Univ, Tallahassee, FL 32306 USA

[12] Univ Giessen, Inst Phys, D-35392 Giessen, Germany

[13] George Washington Univ, Washington, DC 20052 USA

[14] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[15] Idaho State Univ, Pocatello, ID 83209 USA

[16] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy

[17] Inst Phys Nucl ORSAY, F-91406 Orsay, France

[18] Inst Theoret & Expt Phys, RU-117259 Moscow, Russia

[19] James Madison Univ, Harrisonburg, VA 22807 USA

[20] Kyungpook Natl Univ, Taegu 702701, South Korea

[21] MIT, Cambridge, MA 02139 USA

[22] Univ Massachusetts, Amherst, MA 01003 USA

[23] Univ New Hampshire, Durham, NH 03824 USA

[24] Norfolk State Univ, Norfolk, VA 23504 USA

[25] Ohio Univ, Athens, OH 45701 USA

[26] Old Dominion Univ, Norfolk, VA 23529 USA

[27] Penn State Univ, University Pk, PA 16802 USA

[28] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[29] Univ Roma III, I-00146 Rome, Italy

[30] Rensselaer Polytech Inst, Troy, NY 12180 USA

[31] Rice Univ, Houston, TX 77005 USA

[32] Univ Richmond, Richmond, VA 23173 USA

[33] Univ S Carolina, Columbia, SC 29208 USA

[34] Thomas Jefferson Natl Accelerator Lab, Newport News, VA 23606 USA

[35] Union Coll, Schenectady, NY 12308 USA

[36] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[37] Univ Virginia, Charlottesville, VA 22901 USA

[38] Coll William & Mary, Williamsburg, VA 23187 USA

[39] Yerevan Phys Inst, Yerevan 375036, Armenia

来源：

PHYSICAL REVIEW C | 2005年 / 71卷 / 05期

关键词：

D O I：

10.1103/PhysRevC.71.058201

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We report on the first measurement of exclusive Xi(-)(1321) hyperon photoproduction in gamma p -> K(+)K(+)Xi(-) for 3.2 < E-gamma< 3.9 GeV. The final state is identified by the missing mass in p(gamma,K+K+)X measured with the CLAS detector at Jefferson Laboratory. We have detected a significant number of the ground state Xi(-)(1321)1/2(+) and have estimated the total cross section for its production. We also have strong evidence for the first excited state Xi(-)(1530)3/2(+). Photoproduction provides a copious source of Xi's. We discuss the possibilities of a search for the recently proposed Xi(5)(-) and Xi(5)(+) pentaquarks.

引用

页数：5

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