Differential cross section and recoil polarization measurements for the γp → K+ Λ reaction using CLAS at Jefferson Lab

被引：181

作者：

McCracken, M. E. ^{[1
,2
]}

Bellis, M. ^{[1
]}

Meyer, C. A. ^{[1
]}

Williams, M. ^{[1
]}

Adhikari, K. P. ^{[28
]}

Anghinolfi, M.

Ball, J. ^{[9
]}

Battaglieri, M.

Berman, B. L. ^{[40
]}

Biselli, A. S. ^{[13
]}

Branford, D. ^{[12
]}

Briscoe, W. J. ^{[40
]}

Brooks, W. K. ^{[33
,35
]}

Burkert, V. D. ^{[33
]}

Careccia, S. L. ^{[28
]}

Carman, D. S.

Cole, P. L. ^{[16
]}

Collins, P. ^{[4
]}

Crede, V. ^{[15
]}

D'Angelo, A. ^{[19
,30
]}

Daniel, A. ^{[27
]}

Dashyan, N. ^{[39
]}

De Vita, R. ^{[18
]}

De Sanctis, E. ^{[17
]}

Deur, A. ^{[33
]}

Dey, B. ^{[1
]}

Dhamija, S. ^{[14
]}

Dickson, R. ^{[1
]}

Djalali, C. ^{[32
]}

Doughty, D. ^{[10
,33
]}

Dugger, M. ^{[4
]}

Dupre, R. ^{[3
]}

El Alaoui, A. ^{[3
]}

Eugenio, P. ^{[15
]}

Fegan, S. ^{[36
]}

Fradi, A.

Gabrielyan, M. Y. ^{[14
]}

Giovanetti, K. L. ^{[22
]}

Girod, F. X. ^{[9
]}

Goetz, J. T. ^{[5
]}

Gohn, W. ^{[11
]}

Gothe, R. W. ^{[32
]}

Griffioen, K. A. ^{[38
]}

Guidal, M. ^{[20
]}

Hafidi, K. ^{[3
]}

Hakobyanm, H. ^{[35
]}

Hanretty, C. ^{[15
]}

Hassall, N. ^{[36
]}

Hicks, K. ^{[27
]}

Holtrop, M. ^{[25
]}

机构：

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

[2] Washington & Jefferson Coll, Washington, PA 15301 USA

[3] Argonne Natl Lab, Argonne, IL 60441 USA

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

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

[6] Calif State Univ Dominguez Hills, Carson, CA 90747 USA

[7] Canisius Coll, Buffalo, NY 14208 USA

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

[9] Ctr Etud Saclay, CEA, Irfu Serv Phys Nucl, F-91191 Gif Sur Yvette, France

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

[11] Univ Connecticut, Storrs, CT 06269 USA

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

[13] Fairfield Univ, Fairfield, CT 06824 USA

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

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

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

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

[18] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[19] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[20] Inst Phys Nucl ORSAY, Orsay, France

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

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

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

[24] Univ Grenoble 1, CNRS, IN2P3, INPG,LPSC, Grenoble, France

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

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

[27] Ohio Univ, Athens, OH 45701 USA

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

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

[30] Univ Roma Tor Vergata, I-00133 Rome, Italy

[31] Skobeltsyn Nucl Phys Inst, RU-119899 Moscow, Russia

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

[33] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[34] Union Coll, Schenectady, NY 12308 USA

[35] Univ Tecn Federico Santa Maria, Valparaiso, Chile

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

[37] Univ Virginia, Charlottesville, VA 22901 USA

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

[39] Yerevan Phys Inst, Yerevan 375036, Armenia

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

来源：

PHYSICAL REVIEW C | 2010年 / 81卷 / 02期

基金：

美国国家科学基金会; 新加坡国家研究基金会;

关键词：

PHOTON ENERGIES; SIGMA(0); PHOTOPRODUCTION;

D O I：

10.1103/PhysRevC.81.025201

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 present measurements of the differential cross section and Lambda recoil polarization for the gamma p -> K+ Lambda reaction made using the CLAS detector at Jefferson Lab. These measurements cover the center-of-mass energy range from 1.62 to 2.84 GeV and a wide range of center-of-mass K+ production angles. Independent analyses were performed using the K+ p pi(-) and K+ p (missing pi(-)) final-state topologies; results from these analyses were found to exhibit good agreement. These differential-cross-section measurements show excellent agreement with previous CLAS and LEPS results and offer increased precision and a 300-MeV increase in energy coverage. The recoil polarization data agree well with previous results and offer a large increase in precision and a 500-MeV extension in energy range. The increased center-of-mass energy range that these data represent will allow for independent study of nonresonant K+ Lambda photoproduction mechanisms at all production angles.

引用

页数：20

共 23 条

[1] MEASUREMENT OF GAMMA-P-]K(+)LAMBDA AND GAMMA-P-]K(+)SIGMA(0) AT PHOTON ENERGIES UP TO 1.47 GEV [J].

BOCKHORST, M ;

BURBACH, G ;

BURGWINKEL, R ;

EMPT, J ;

GUSE, B ;

HAAS, KM ;

HANNAPPEL, J ;

HEINLOTH, K ;

HEY, T ;

HOFFMANNROTHE, P ;

HONSCHEID, K ;

JAHNEN, T ;

JAKOB, HP ;

JOPEN, N ;

JUNGST, H ;

KIRCH, U ;

KLEIN, FJ ;

KOSTREWA, D ;

LINDEMANN, L ;

LINK, J ;

MANNS, J ;

MENZE, D ;

MERKEL, H ;

MERKEL, R ;

NEUERBURG, W ;

PAUL, E ;

PLOTZKE, R ;

SCHENK, U ;

SCHMIDT, S ;

SCHOLMANN, J ;

SCHUTZ, P ;

SCHULTZCOULON, HC ;

SCHWEITZER, M ;

SCHWILLE, WJ ;

TRAN, MQ ;

UMLAUF, G ;

VOGL, W ;

WEDEMEYER, R ;

WEHNES, F ;

WISSKIRCHEN, J ;

WOLF, A .

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1994, 63 (01) :37-47

[2] PHOTOPRODUCTION OF K+LAMBDA AND K+SIGMA0 FROM HYDROGEN FROM 5-GEV TO 16-GEV [J].

BOYARSKI, AM ;

BULOS, F ;

BUSZA, W ;

DIEBOLD, R ;

ECKLUND, SD ;

FISCHER, GE ;

MURATA, Y ;

REES, JR ;

RICHTER, B ;

WILLIAMS, WS .

PHYSICAL REVIEW LETTERS, 1969, 22 (21) :1131-&

[3] Differential cross sections for γ plus p → K++ Y for Λ and Σ0 hyperons -: art. no. 035202 [J].

Bradford, R ;

Schumacher, RA ;

McNabb, JWC ;

Todor, L ;

Adams, G ;

Ambrozewicz, P ;

Anciant, E ;

Anghinolfi, M ;

Asavapibhop, B ;

Asryan, G ;

Audit, G ;

Avakian, H ;

Bagdasaryan, H ;

Baillie, N ;

Ball, JP ;

Baltzell, NA ;

Barrow, S ;

Batourine, V ;

Battaglieri, M ;

Beard, K ;

Bedlinskiy, I ;

Bektasoglu, M ;

Bellis, M ;

Benmouna, N ;

Berman, BL ;

Bianchi, N ;

Biselli, AS ;

Bonner, BE ;

Bouchigny, S ;

Boiarinov, S ;

Branford, D ;

Briscoe, WJ ;

Brooks, WK ;

Bültmann, S ;

Burkert, VD ;

Butuceanu, C ;

Calarco, JR ;

Careccia, SL ;

Carman, DS ;

Carnahan, B ;

Chen, S ;

Cole, PL ;

Coleman, A ;

Coltharp, P ;

Corvisiero, P ;

Crabb, D ;

Crannell, H ;

Cummings, JP ;

DeVita, R ;

Sanctis, ED .

PHYSICAL REVIEW C, 2006, 73 (03)

[4] Forward-angle K+ Λ photoproduction in a Regge-plus-resonance approach -: art. no. 045207 [J].

Corthals, T ;

Ryckebusch, J ;

Van Cauteren, T .

PHYSICAL REVIEW C, 2006, 73 (04)

[5] Unified approach to the classical statistical analysis of small signals [J].

Feldman, GJ ;

Cousins, RD .

PHYSICAL REVIEW D, 1998, 57 (07) :3873-3889

[6]

Glander KH, 2004, EUR PHYS J A, V19, P251, DOI 10.1140/epja/i2003-10119-x

[7] Measurement of the (γ)over-right-arrow p → K+ Λ reaction at backward angles [J].

Hicks, K. ;

Mibe, T. ;

Sumihama, M. ;

Ahn, D. S. ;

Ahn, J. K. ;

Akimune, H. ;

Asano, Y. ;

Chang, W. C. ;

Date, S. ;

Ejiri, H. ;

Fukui, S. ;

Fujimura, H. ;

Fujiwara, M. ;

Hasegawa, S. ;

Hosaka, A. ;

Hotta, T. ;

Imai, K. ;

Ishikawa, T. ;

Iwata, T. ;

Julia-Diaz, B. ;

Kato, Y. ;

Kawai, H. ;

Kim, Z. Y. ;

Kino, K. ;

Kohri, H. ;

Kumagai, N. ;

Lee, T. -S. H. ;

Makino, S. ;

Matsuda, T. ;

Matsumura, T. ;

Matsuoka, N. ;

Miyabe, M. ;

Miyachi, Y. ;

Morita, M. ;

Muramatsu, N. ;

Nakano, T. ;

Niiyama, M. ;

Nomachi, M. ;

Ohashi, Y. ;

Ooba, T. ;

Ohkuma, H. ;

Oshuev, D. S. ;

Ozaki, S. ;

Rangacharyulu, C. ;

Sakaguchi, A. ;

Sasaki, T. ;

Shagin, P. M. ;

Shiino, Y. ;

Shimizu, A. ;

Shimizu, H. .

PHYSICAL REVIEW C, 2007, 76 (04)

[8] Dynamical coupled-channel study of K+Λ photoproduction [J].

Juliá-Díaz, B ;

Saghai, B ;

Tabakin, F ;

Chiang, WT ;

Lee, TSH ;

Li, Z .

NUCLEAR PHYSICS A, 2005, 755 :463C-466C

[9] Quasifree kaon photoproduction on nuclei [J].

Lee, FX ;

Mart, T ;

Bennhold, C ;

Haberzettl, H ;

Wright, LE .

NUCLEAR PHYSICS A, 2001, 695 :237-272

[10] Polarization observable measurements for γp→K+ Λ and γp→K+ Σ0 for energies up to 1.5 GeV [J].

Lleres, A. ;

Bartalini, O. ;

Bellini, V. ;

Bocquet, J. P. ;

Calvat, P. ;

Capogni, M. ;

Casano, L. ;

Castoldi, M. ;

D'Angelo, A. ;

Didelez, J. -P. ;

Di Salvo, R. ;

Fantini, A. ;

Gaulard, C. ;

Gervino, G. ;

Ghio, F. ;

Girolami, B. ;

Giusa, A. ;

Guidal, M. ;

Hourany, E. ;

Kouznetsov, V. ;

Kunne, R. ;

Lapik, A. ;

Sandri, P. Levi ;

Moricciani, D. ;

Mushkarenkov, A. N. ;

Nedorezov, V. ;

Nicoletti, L. ;

Perrin, C. ;

Randieri, C. ;

Rebreyend, D. ;

Renard, F. ;

Rudnev, N. ;

Russew, T. ;

Russo, G. ;

Schaerf, C. ;

Sperduto, M. -L. ;

Sutera, M. -C. ;

Turinge, A. .

EUROPEAN PHYSICAL JOURNAL A, 2007, 31 (01) :79-93

← 1 2 3 →