KOBV Portal

1

Online Resource

Measurement of Born cross section of $$ {e}^{+}{e}^{-}\to {\Sigma}^{+}{\overline{\Sigma}}^{-} $$ at center-of-mass energies between 3.510 and 4.951 GeV

The BESIII collaboration ; Ablikim, M. ; Achasov, M. N. ; [et al.]

Springer Science and Business Media LLC ; 2024

In: Journal of High Energy Physics Vol. 2024, No. 5 ( 2024-05-03)

add to watchlist on the watchlist

Details

In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2024, No. 5 ( 2024-05-03)

Abstract: Using 24.1 fb − 1 of e + e − collision data collected with the BESIII detector at the BEPCII collider, the Born cross sections and effective form factors of the $$ {e}^{+}{e}^{-}\to {\Sigma}^{+}{\overline{\Sigma}}^{-} $$ e + e − → Σ + Σ ¯ − reaction are measured. The measurements are performed at center-of-mass energies ranging from 3.510 to 4.951 GeV. No significant evidence for the decay of the charmonium(-like) states, ψ (3770), ψ (4040), ψ (4160), Y (4230), Y (4360), ψ (4415), and Y (4660), into a $$ {\Sigma}^{+}{\overline{\Sigma}}^{-} $$ Σ + Σ ¯ − final state is observed. Consequently, upper limits for the products of the branching fractions and the electronic partial widths at the 90% confidence level are reported for these decays.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP05(2024)022

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2024

detail.hit.zdb_id: 2027350-2

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

2

Online Resource

Studies of the decay $$ {\textrm{D}}_{\textrm{s}}^{+}\to {\textrm{K}}^{+}{\textrm{K}}^{-}{\mu}^{+}{\nu}_{\mu } $$

The BESIII collaboration ; Ablikim, M. ; Achasov, M. N. ; [et al.]

Springer Science and Business Media LLC ; 2023

In: Journal of High Energy Physics Vol. 2023, No. 12 ( 2023-12-12)

add to watchlist on the watchlist

Details

In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2023, No. 12 ( 2023-12-12)

Abstract: The $$ {D}_s^{+}\to {K}^{+}{K}^{-}{\mu}^{+}{\nu}_{\mu } $$ D s + → K + K − μ + ν μ decay is studied based on 7.33 fb − 1 of e + e − collision data collected with the BESIII detector at center-of-mass energies in the range from 4.128 to 4.226 GeV. The absolute branching fraction is measured as $$ \mathcal{B}\left({D}_s^{+}\to \phi {\mu}^{+}{\nu}_{\mu}\right)=\left(2.25\pm 0.09\pm 0.07\right)\times {10}^{-2} $$ B D s + → ϕ μ + ν μ = 2.25 ± 0.09 ± 0.07 × 10 − 2 , the most precise measurement to date. Combining with the world average of $$ \mathcal{B}\left({D}_s^{+}\to \phi {e}^{+}{\nu}_e\right) $$ B D s + → ϕ e + ν e , the ratio of the branching fractions obtained is $$ \frac{\mathcal{B}\left({D}_s^{+}\to \phi {\mu}^{+}{\nu}_{\mu}\right)}{\mathcal{B}\left({D}_s^{+}\to \phi {e}^{+}{\nu}_e\right)}=0.94\pm 0.08 $$ B D s + → ϕ μ + ν μ B D s + → ϕ e + ν e = 0.94 ± 0.08 , in agreement with lepton universality. By performing a partial wave analysis, the hadronic form factor ratios at q 2 = 0 are extracted, finding $$ {r}_V=\frac{V(0)}{A_1(0)}=1.58\pm 0.17\pm 0.02 $$ r V = V 0 A 1 0 = 1.58 ± 0.17 ± 0.02 and $$ {r}_2=\frac{A_2(0)}{A_1(0)}=0.71\pm 0.14\pm 0.02 $$ r 2 = A 2 0 A 1 0 = 0.71 ± 0.14 ± 0.02 , where the first uncertainties are statistical and the second are systematic. No significant S -wave contribution from f 0 (980) → K + K − is found. The upper limit $$ \mathcal{B}\left({D}_s^{+}\to {f}_0(980){\mu}^{+}{\nu}_{\mu}\right)\cdot \mathcal{B}\left({f}_0(980)\to {K}^{+}{K}^{-}\right) 〈 5.45\times {10}^{-4} $$ B D s + → f 0 980 μ + ν μ ⋅ B f 0 980 → K + K − 〈 5.45 × 10 − 4 is set at 90% credibility level.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP12(2023)072

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2023

detail.hit.zdb_id: 2027350-2

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

3

Online Resource

Investigation of the Δ I = 1 / 2 Rule and Test of C P Symmetry through the Measurement of Decay Asymmetry Parameters in Ξ − Decays

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2024

In: Physical Review Letters Vol. 132, No. 10 ( 2024-3-6)

add to watchlist on the watchlist

Details

In: Physical Review Letters, American Physical Society (APS), Vol. 132, No. 10 ( 2024-3-6)

Type of Medium: Online Resource

ISSN: 0031-9007 , 1079-7114

URL: Article

DOI: 10.1103/PhysRevLett.132.101801

RVK:

UA 1000

RVK:

UA 6520

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2024

detail.hit.zdb_id: 1472655-5

detail.hit.zdb_id: 208853-8

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

4

Online Resource

Study of Λ c + → Λ μ + ν μ and test of lepton flavor universality with Λ c + → Λ ℓ + ν ℓ decays

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2023

In: Physical Review D Vol. 108, No. 3 ( 2023-8-18)

add to watchlist on the watchlist

Details

In: Physical Review D, American Physical Society (APS), Vol. 108, No. 3 ( 2023-8-18)

Type of Medium: Online Resource

ISSN: 2470-0010 , 2470-0029

URL: Article

DOI: 10.1103/PhysRevD.108.L031105

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2023

detail.hit.zdb_id: 2844732-3

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

5

Online Resource

Search for baryon and lepton number violating decays of Ξ 0 hyperons

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2023

In: Physical Review D Vol. 108, No. 1 ( 2023-7-12)

add to watchlist on the watchlist

Details

In: Physical Review D, American Physical Society (APS), Vol. 108, No. 1 ( 2023-7-12)

Type of Medium: Online Resource

ISSN: 2470-0010 , 2470-0029

URL: Article

DOI: 10.1103/PhysRevD.108.012006

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2023

detail.hit.zdb_id: 2844732-3

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

6

Online Resource

Measurement of the e + e − → Λ Λ ¯ cross section from threshold to 3.00 GeV using events with initial-state radiation

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2023

In: Physical Review D Vol. 107, No. 7 ( 2023-4-18)

add to watchlist on the watchlist

Details

In: Physical Review D, American Physical Society (APS), Vol. 107, No. 7 ( 2023-4-18)

Type of Medium: Online Resource

ISSN: 2470-0010 , 2470-0029

URL: Article

DOI: 10.1103/PhysRevD.107.072005

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2023

detail.hit.zdb_id: 2844732-3

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

7

Online Resource

Measurement of e + e − → ϕ π + π − cross sections at center-of-mass energies from 2.00 to 3.08 GeV

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2023

In: Physical Review D Vol. 108, No. 3 ( 2023-8-15)

add to watchlist on the watchlist

Details

In: Physical Review D, American Physical Society (APS), Vol. 108, No. 3 ( 2023-8-15)

Type of Medium: Online Resource

ISSN: 2470-0010 , 2470-0029

URL: Article

DOI: 10.1103/PhysRevD.108.032011

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2023

detail.hit.zdb_id: 2844732-3

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

8

Online Resource

Search for hyperon Δ S = Δ Q violating decay Ξ 0 → Σ − e + ν e

Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; [et al.]

American Physical Society (APS) ; 2023

In: Physical Review D Vol. 107, No. 1 ( 2023-1-19)

add to watchlist on the watchlist

Details

In: Physical Review D, American Physical Society (APS), Vol. 107, No. 1 ( 2023-1-19)

Type of Medium: Online Resource

ISSN: 2470-0010 , 2470-0029

URL: Article

DOI: 10.1103/PhysRevD.107.012002

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2023

detail.hit.zdb_id: 2844732-3

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

9

Online Resource

Study of η(1405)/η(1475) in $$ J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 $$ decay

The BESIII collaboration ; Ablikim, M. ; Achasov, M. N. ; [et al.]

Springer Science and Business Media LLC ; 2023

In: Journal of High Energy Physics Vol. 2023, No. 3 ( 2023-03-17)

add to watchlist on the watchlist

Details

In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2023, No. 3 ( 2023-03-17)

Abstract: Using a sample of (10 . 09 ± 0 . 04) × 10 9 J/ψ decays collected with the BESIII detector, partial wave analyses of the decay $$ J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 $$ J / ψ → γ K S 0 K S 0 π 0 are performed within the $$ {K}_S^0{K}_S^0{\pi}^0 $$ K S 0 K S 0 π 0 invariant mass region below 1.6 GeV/ c 2 . The covariant tensor amplitude method is used in both mass independent and mass dependent approaches. Both analysis approaches exhibit dominant pseudoscalar and axial vector components, and show good consistency for the other individual components. Furthermore, the mass dependent analysis reveals that the $$ {K}_S^0{K}_S^0{\pi}^0 $$ K S 0 K S 0 π 0 invariant mass spectrum for the pseudoscalar component can be well described with two isoscalar resonant states using relativistic Breit-Wigner model, i.e., the η (1405) with a mass of $$ 1391.7\pm {0.7}_{-0.3}^{+11.3} $$ 1391.7 ± 0.7 − 0.3 + 11.3 MeV/ c 2 and a width of $$ 60.8\pm {1.2}_{-12.0}^{+5.5} $$ 60.8 ± 1.2 − 12.0 + 5.5 MeV, and the η (1475) with a mass of $$ 1507.6\pm {1.6}_{-32.2}^{+15.5} $$ 1507.6 ± 1.6 − 32.2 + 15.5 MeV/ c 2 and a width of $$ 115.8\pm {2.4}_{-10.9}^{+14.8} $$ 115.8 ± 2.4 − 10.9 + 14.8 MeV. The first and second uncertainties are statistical and systematic, respectively. Alternate models for the pseudoscalar component are also tested, but the description of the $$ {K}_S^0{K}_S^0{\pi}^0 $$ K S 0 K S 0 π 0 invariant mass spectrum deteriorates significantly.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP03(2023)121

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2023

detail.hit.zdb_id: 2027350-2

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

10

Online Resource

Helicity amplitude analysis of χcJ → ϕϕ

The BESIII collaboration ; Ablikim, M. ; Achasov, M. N. ; [et al.]

Springer Science and Business Media LLC ; 2023

In: Journal of High Energy Physics Vol. 2023, No. 5 ( 2023-05-09)

add to watchlist on the watchlist

Details

In: Journal of High Energy Physics, Springer Science and Business Media LLC, Vol. 2023, No. 5 ( 2023-05-09)

Abstract: Using (447.9 ± 2.3) million ψ (3686) events collected with the BESIII detector, the decays of χ cJ → ϕϕ ( J = 0 , 1 , 2) have been studied via the decay ψ (3686) → γχ cJ . The branching fractions of the decays χ cJ → ϕϕ ( J = 0 , 1 , 2) are determined to be (8 . 59 ± 0 . 27 ± 0 . 20) × 10 − 4 , (4 . 26 ± 0 . 13 ± 0 . 15) × 10 − 4 , and (12 . 67 ± 0 . 28 ± 0 . 33) × 10 − 4 , respectively, which are the most precise measurements to date. From a helicity amplitude analysis of the process ψ (3686) → γχ cJ , χ cJ → ϕϕ, ϕ → K + K − , the polarization parameters of the χ cJ → ϕϕ decays are determined for the first time.

Type of Medium: Online Resource

ISSN: 1029-8479

URL: Article

DOI: 10.1007/JHEP05(2023)069

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2023

detail.hit.zdb_id: 2027350-2

Bookmarklink

Library	Location	Call Number	Volume/Issue/Year	Availability

Others were also interested in ...

Online Resource

Open Access Request

Availability (electronic / print)

Link to publisher

Kooperativer Bibliotheksverbund

Berlin Brandenburg