Relativistic corrections to decays of heavy baryons in the quark model

被引：20

作者：

Arifi, Ahmad Jafar ^{[1
,2
]}

Suenaga, Daiki ^{[1
]}

Hosaka, Atsushi ^{[1
,3
]}

机构：

[1] Osaka Univ, Res Ctr Nucl Phys RCNP, Ibaraki, Osaka 5670047, Japan

[2] Asia Pacific Ctr Theoret Phys APCTP, Pohang 37673, Gyeongbuk, South Korea

[3] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

来源：

PHYSICAL REVIEW D | 2021年 / 103卷 / 09期

关键词：

RESONANCE; NUCLEON;

D O I：

10.1103/PhysRevD.103.094003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate relativistic corrections of an order 1/m(2), where m is the constituent quark mass, to heavy baryon decays by emitting one pseudoscalar meson in the quark model. This work is motivated by shortcomings in the previous studies in the nonrelativistic quark model for decays of the Roper-like states, such as Lambda(c) (2765). We find that the relativistic corrections due to the internal motion of quarks are essential ingredients in improving their decay properties, such that the decay widths are significantly increased. In addition, such corrections can explain a phenomenological suppression of the quark axial-vector coupling constant g(A)(q) for the Sigma(c) (2455) and Sigma(c)(2520) decays.

引用

页数：6

共 44 条

[1]

Aaij R, 2020, J HIGH ENERGY PHYS, DOI 10.1007/JHEP06(2020)136

[2] Observation of Two Resonances in the Λb0π± Systems and Precise Measurement of Σb± and Σb*± Properties [J].

Aaij, R. ;

Abellan Beteta, C. ;

Adeva, B. ;

Adinolfi, M. ;

Aidala, C. A. ;

Ajaltouni, Z. ;

Akar, S. ;

Albicocco, P. ;

Albrecht, J. ;

Alessio, F. ;

Alexander, M. ;

Alfonso Albero, A. ;

Alkhazov, G. ;

Alvarez Cartelle, P. ;

Alves Jr, A. A. ;

Amato, S. ;

Amerio, S. ;

Amhis, Y. ;

An, L. ;

Anderlini, L. ;

Andreassi, G. ;

Andreotti, M. ;

Andrews, J. E. ;

Appleby, R. B. ;

Archilli, F. ;

Romeu, J. Arnau ;

Artamonov, A. ;

Artuso, M. ;

Arzymatov, K. ;

Aslanides, E. ;

Atzeni, M. ;

Audurier, B. ;

Bachmann, S. ;

Back, J. J. ;

Baker, S. ;

Balagura, V ;

Baldini, W. ;

Baranov, A. ;

Barlow, R. J. ;

Barsuk, S. ;

Barter, W. ;

Baryshnikov, F. ;

Batozskaya, V ;

Batsukh, B. ;

Battista, V ;

Bay, A. ;

Beddow, J. ;

Bedeschi, F. ;

Bediaga, I ;

Beiter, A. .

PHYSICAL REVIEW LETTERS, 2019, 122 (01)

[3] Observation of Two New Ξb- Baryon Resonances [J].

Aaij, R. ;

Adeva, B. ;

Adinolfi, M. ;

Affolder, A. ;

Ajaltouni, Z. ;

Akar, S. ;

Albrecht, J. ;

Alessio, F. ;

Alexander, M. ;

Ali, S. ;

Alkhazov, G. ;

Alvarez Cartelle, P. ;

Alves, A. A., Jr. ;

Amato, S. ;

Amerio, S. ;

Amhis, Y. ;

An, L. ;

Anderlini, L. ;

Anderson, J. ;

Andreassen, R. ;

Andreotti, M. ;

Andrews, J. E. ;

Appleby, R. B. ;

Aquines Gutierrez, O. ;

Archilli, F. ;

Artamonov, A. ;

Artuso, M. ;

Aslanides, E. ;

Auriemma, G. ;

Baalouch, M. ;

Bachmann, S. ;

Back, J. J. ;

Badalov, A. ;

Baesso, C. ;

Baldini, W. ;

Barlow, R. J. ;

Barschel, C. ;

Barsuk, S. ;

Barter, W. ;

Batozskaya, V. ;

Battista, V. ;

Bay, A. ;

Beaucourt, L. ;

Beddow, J. ;

Bedeschi, F. ;

Bediaga, I. ;

Belogurov, S. ;

Belous, K. ;

Belyaev, I. ;

Ben-Haim, E. .

PHYSICAL REVIEW LETTERS, 2015, 114 (06)

[4] Measurements of the properties of Λc(2595), Λc(2625), Σc(2455), and Σc(2520) baryons [J].

Aaltonen, T. ;

Alvarez Gonzalez, B. ;

Amerio, S. ;

Amidei, D. ;

Anastassov, A. ;

Annovi, A. ;

Antos, J. ;

Apollinari, G. ;

Appel, J. A. ;

Apresyan, A. ;

Arisawa, T. ;

Artikov, A. ;

Asaadi, J. ;

Ashmanskas, W. ;

Auerbach, B. ;

Aurisano, A. ;

Azfar, F. ;

Badgett, W. ;

Barbaro-Galtieri, A. ;

Barnes, V. E. ;

Barnett, B. A. ;

Barria, P. ;

Bartos, P. ;

Bauce, M. ;

Bauer, G. ;

Bedeschi, F. ;

Beecher, D. ;

Behari, S. ;

Bellettini, G. ;

Bellinger, J. ;

Benjamin, D. ;

Beretvas, A. ;

Bhatti, A. ;

Binkley, M. ;

Bisello, D. ;

Bizjak, I. ;

Bland, K. R. ;

Blumenfeld, B. ;

Bocci, A. ;

Bodek, A. ;

Bortoletto, D. ;

Boudreau, J. ;

Boveia, A. ;

Brau, B. ;

Brigliadori, L. ;

Brisuda, A. ;

Bromberg, C. ;

Brucken, E. ;

Bucciantonio, M. ;

Budagov, J. .

PHYSICAL REVIEW D, 2011, 84 (01)

[5] Roper-like resonances with various flavor contents and their two-pion emission decays [J].

Arifi, A. J. ;

Nagahiro, H. ;

Hosaka, A. ;

Tanida, K. .

PHYSICAL REVIEW D, 2020, 101 (11)

[6] Three-body decay of Λc*(2765) and determination of its spin-parity [J].

Arifi, A. J. ;

Nagahiro, H. ;

Hosaka, A. ;

Tanida, K. .

PHYSICAL REVIEW D, 2020, 101 (09)

[7] New Λb(6072)0 state as a 2S bottom baryon [J].

Azizi, K. ;

Sarac, Y. ;

Sundu, H. .

PHYSICAL REVIEW D, 2020, 102 (03)

[8] Electroexcitation of nucleon resonances from CLAS data on single pion electroproduction [J].

Aznauryan, I. G. ;

Burkert, V. D. ;

Biselli, A. S. ;

Egiyan, H. ;

Joo, K. ;

Kim, W. ;

Park, K. ;

Smith, L. C. ;

Ungaro, M. ;

Adhikari, K. P. ;

Anghinolfi, M. ;

Avakian, H. ;

Ball, J. ;

Battaglieri, M. ;

Batourine, V. ;

Bedlinskiy, I. ;

Bellis, M. ;

Bookwalter, C. ;

Branford, D. ;

Briscoe, W. J. ;

Brooks, W. K. ;

Careccia, S. L. ;

Carman, D. S. ;

Cole, P. L. ;

Collins, P. ;

Crede, V. ;

D'Angelo, A. ;

Daniel, A. ;

De Vita, R. ;

De Sanctis, E. ;

Deur, A. ;

Dey, B. ;

Dhamija, S. ;

Dickson, R. ;

Djalali, C. ;

Doughty, D. ;

Dupre, R. ;

El Alaoui, A. ;

Elouadrhiri, L. ;

Eugenio, P. ;

Fedotov, G. ;

Fegan, S. ;

Forest, T. A. ;

Gabrielyan, M. Y. ;

Gilfoyle, G. P. ;

Giovanetti, K. L. ;

Girod, F. X. ;

Goetz, J. T. ;

Gohn, W. ;

Golovatch, E. .

PHYSICAL REVIEW C, 2009, 80 (05)

[9]

Brodsky SJ, 1998, PHYS REP, V301, P300

[10] ZERO-POINT MOTION IN THE BAG DESCRIPTION OF THE NUCLEON [J].

BROWN, GE ;

DURSO, JW ;

JOHNSON, MB .

NUCLEAR PHYSICS A, 1983, 397 (03) :447-468

← 1 2 3 4 5 →